1539 lines
951 KiB
Plaintext
1539 lines
951 KiB
Plaintext
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!<arch>
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/ 0 0 0 0 59122 `
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Î ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J ¢J :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž :Ž
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̺_ZN109_$LT$socket2..sockaddr..SockAddr$u20$as$u20$core..convert..From$LT$core..net..socket_addr..SocketAddr$GT$$GT$4from17h2d68ec2044d5c868E _ZN50_$LT$T$u20$as$u20$core..convert..Into$LT$U$GT$$GT$4into17hd1f9149f52009f03E _ZN50_$LT$T$u20$as$u20$core..convert..Into$LT$U$GT$$GT$4into17h36b1ae98e2c15ab5E _ZN111_$LT$socket2..sockaddr..SockAddr$u20$as$u20$core..convert..From$LT$core..net..socket_addr..SocketAddrV4$GT$$GT$4from17h77f9afe3d72b29ffE _ZN7socket23sys10to_in_addr17h3d1ccebbedad521aE _ZN111_$LT$socket2..sockaddr..SockAddr$u20$as$u20$core..convert..From$LT$core..net..socket_addr..SocketAddrV6$GT$$GT$4from17h2f62ef3a6aead3a8E _ZN7socket23sys11to_in6_addr17h4237cb0edf33df4bE _ZN3std2io17default_write_fmt17he59bac941c23f4e4E _ZN3std2os2fd3net82_$LT$impl$u20$std..os..fd..raw..IntoRawFd$u20$for$u20$std..net..tcp..TcpStream$GT$11into_raw_fd17hf25e4f305d87b4f3E _ZN3std2os2fd3net84_$LT$impl$u20$std..os..fd..raw..IntoRawFd$u20$for$u20$std..net..tcp..TcpListener$GT$11into_raw_fd17h9fce4b3b828f36e4E _ZN3std3sys2fs4unix23debug_assert_fd_is_open17he7e7c4a16abb6893E _ZN42_$LT$$RF$T$u20$as$u20$core..fmt..Debug$GT$3fmt17h0ad6889f0ee91bacE _ZN64_$LT$socket2..sockaddr..SockAddr$u20$as$u20$core..fmt..Debug$GT$3fmt1
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socket2-b3b7711696bde69f.socket2.27f93b558c4ca99c-cgu.0.rcgu.o/
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socket2-b3b7711696bde69f.socket2.27f93b558c4ca99c-cgu.1.rcgu.o/
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socket2-b3b7711696bde69f.socket2.27f93b558c4ca99c-cgu.2.rcgu.o/
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socket2-b3b7711696bde69f.socket2.27f93b558c4ca99c-cgu.3.rcgu.o/
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lib.rmeta/ 0 0 0 644 403312 `
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ELF · ð% @ @ GNU À rust
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H# #rustc 1.96.0 (ac68faa20 2026-05-25)ÁÀ뉊 ]!ÜÛê(¹Þ—šên -5be7b69c3ff7b5b8Á íàÄTËŸ ÜJîÄ)'ß\¥! -3d1337db07d0b3aeÁ ¤²XctÔ'ÐÓ©z¨É½Ó -a4945860e1c53b00Á ¤°ð ¾ä-±($²ï=©Ã -7e98a21bfd32b0edÁ–�òÖÀH•‘P IÓHã#£ -055f30b747f859b6Á rustc_std_workspace_coreÁCçß^ò½èÝ$Çÿ+Cé -c4878ee60b2242c9Á ŸÃï+Ñ]ŠqB<ÏïW# -8dd1dd90e70d0b6aÁ miniz_oxideÁ€š»J(P>àö÷g\K -1eb618da2918ab7fÁ adler2ÁÆ;+Þ®5¥ÌýÝ°¦ÛLˆ -f7919172d268e069Á hashbrownÁPäV9ÒÆèÜ�"ÊÖVŽ\ -0fc2184a5da6723aÁ rustc_std_workspace_allocÁs&ØòØy¯s•bæ!‰ýŠ -97e4bf30be240674Á
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std_detectÁhŠBîÙºÌI®Ë�Å�š -9dbbf8346ba7ac8bÁ rustc_demangleÁûë9´Ç×@Œ�’ùXFº -f33013f239bf9f14Á cfg_ifÁÜLh�ž§Œaã¯>� -0a71c8f33a838301Á addr2lineÁ׎Þ!]8V$É@@T· -e618e6be60e87ba2Á gimliÁ¸
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°µ~Î1‹Ñt ðÁ€w -1f7768a68858f670Á objectÁ
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áPÃ?À¶¼QHJ¥� -914cd6a4dbe590d1Á memchrÁ›º«8Ór2Ù $¨ûib‚ -cf21ca6f2bb15dcdÁë
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‹ás «LÖ€îâƒ×ɯŒ -ee6f3747e38367f0Á–ù«< fÅþ¦®Ž
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žaa…Ý -54993f73e3057ce2Á SOCKADDR_IN6_0Átø â <Á testsÁ,Ð{ ‚ $Å{ U
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FromRawSocketÁl™â <ôU
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IntoRawSocketÁl¨â "U set_common_accept_flagsÁ¼Àó ú androidÁ¬Ëñú dragonflyÁ¼æñú freebsdÁ¬ƒòú fuchsiaÁ¬žòú illumosÁ¬¹òú linuxÁœÔòú netbsdÁ¤íòú openbsdÁ¬‡óú cygwinÁ¤¢óüÅñôüÁñù± AsRawSocketÁ\øâ <Ó± AsSocketÁD…â ±§l�â .0É IPPROTO_DIVERTÁtŸ ú¶ ¬Ùú—
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¬ðüØ.É SO_LINGERÁL¼1ú iosÁŒ—0ú visionosÁ´®0ú macosÁœÊ0ú tvosÁ”ã0ú watchosÁ¬û0ü‘0‚É IPV6_ADD_MEMBERSHIPÁœÏ@
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ú ¼±=ú¶ ¬Î=ú haikuÁœé=úÞ ¬‚>úå Œ�>úô ´´>úˆ œÐ>ú„
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¤é>ú—
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¬ƒ?ú solarisÁ¬ž?ú™ ”¹?ú© ¬Ñ? ú wasiÁ”ð?î p1ÁŒˆ@œ‡@üï?,ü«=óÉ IPV6_DROP_MEMBERSHIPÁ¤ø@
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ú íú¶ ëúú äúÞ âúå àúô Þúˆ Üú„
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Úú—
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ØúÓ
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Ïú™ Íú© Ë ú€Åî‘Á¿½º¼É KEEPALIVE_TIMEÁtïHúå Œ‡Gúô ´žGúˆ œºG ú ntoÁŒ×Gî nto70Á¤îGî nto71Á¤„HüíG,üÖGEú™ ”¡Hú© ¬¹Hü�GÐÉ MAX_BUF_LENÁ\ÑUúå Œ²Túô ´ÉTúˆ œåTú™ ”þTú© ¬–Uú«
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¤±Uü¬TœÉ IovLenÁ4ê^ úò œÀYî muslÁœîYî ohosÁœ�Z î uclibcÁ¬´Zû 32ÁÜËZü³Z4üàY‘ü¶YÁú aixÁŒýZú ¼”[ú¶ ¬±[úÊ ¬Ì[úú œç[ú hurdÁ”€\úÞ ¬˜\úå Œ³\úô ´Ê\úˆ œæ\ú„
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¤ÿ\ú¥Œ™]ú—
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¬°]úÓ
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¬Ë]ú™ ”æ]ú© ¬þ]ú espidfÁ¤™^ú vitaÁ”³^ú«
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¤Ë^üYµÉ‹
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\¤ˆúµ”€ˆÉ set_nonblockingÁ|¦Œúµ”ƒŒ À
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impl_debugÁ ÷ sockaddrÁ
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socklen_tÁ sa_family_tÁ SockAddrStorageÁ ( storageÁ * zeroedÁ *š * view_asÁ -¥ /× 1æ 1 try_initÁ 3— 3¥ 3 STORAGE_SIZEÁ 3 1ú 8¡ 1
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set_lengthÁ 1 familyÁ 1 domainÁ 1‘ 1 as_ptrÁ 1
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as_storageÁ 1 is_ipv4Á 1 is_ipv6Á 1 is_unixÁ 1 as_socketÁ 1 as_socket_ipv4Á 1 as_socket_ipv6Á 1 as_bytesÁ G÷ I÷ K÷ M× O� R§ S™ socketÁ U UUUUUUUUU U
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U U U
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UUUUUUUUUUUUUUU U U U U U!U"U SocketÁ y innerÁ U { from_rawÁ { as_rawÁ { into_rawÁ {æ { new_rawÁ € { pairÁ { pair_rawÁ ƒ ƒ { bindÁ { connectÁ { connect_timeoutÁ { listenÁ { acceptÁ {
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accept_rawÁ ‹ {
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local_addrÁ { peer_addrÁ {! { try_cloneÁ {‹
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{ï { shutdownÁ { recvÁ { recv_out_of_bandÁ { recv_with_flagsÁ {
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recv_vectoredÁ { recv_vectored_with_flagsÁ { peekÁ { recv_fromÁ { recv_from_with_flagsÁ { recv_from_vectoredÁ { recv_from_vectored_with_flagsÁ { peek_fromÁ { peek_senderÁ { recvmsgÁ { sendÁ { send_with_flagsÁ {
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send_vectoredÁ { send_vectored_with_flagsÁ { send_out_of_bandÁ { send_toÁ { send_to_with_flagsÁ { send_to_vectoredÁ { send_to_vectored_with_flagsÁ { sendmsgÁ U set_common_typeÁ U set_common_flagsÁ U broadcastÁ ®
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set_broadcastÁ
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take_errorÁ keepaliveÁ ²
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set_keepaliveÁ lingerÁ
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set_lingerÁ out_of_band_inlineÁ · set_out_of_band_inlineÁ passcredÁ º set_passcredÁ priorityÁ ½ set_priorityÁ recv_buffer_sizeÁ À set_recv_buffer_sizeÁ read_timeoutÁ set_read_timeoutÁ
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reuse_addressÁ Å set_reuse_addressÁ send_buffer_sizeÁ È set_send_buffer_sizeÁ
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write_timeoutÁ set_write_timeoutÁ U from_lingerÁ U into_lingerÁ UÏ header_included_v4Á Ð Ï set_header_included_v4Á Ï ip_transparent_v4Á Ó Ï set_ip_transparent_v4Á Ï join_multicast_v4Á Ï leave_multicast_v4Á Ï join_multicast_v4_nÁ Ï leave_multicast_v4_nÁ Ï join_ssm_v4Á Ï leave_ssm_v4Á Ï multicast_all_v4Á Ü Ï set_multicast_all_v4Á Ï multicast_if_v4Á Ï set_multicast_if_v4Á Ï multicast_loop_v4Á á Ï set_multicast_loop_v4Á Ï multicast_ttl_v4Á ä Ï set_multicast_ttl_v4Á Ï ttl_v4Á ç Ï
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set_ttl_v4Á Ï
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set_tos_v4Á Ï tos_v4Á ë Ï set_recv_tos_v4Á Ï recv_tos_v4Á î Ï original_dst_v4Á Uñ header_included_v6Á ò ñ set_header_included_v6Á ñ ip_transparent_v6Á õ ñ set_ip_transparent_v6Á ñ join_multicast_v6Á ñ leave_multicast_v6Á ñ multicast_hops_v6Á ú ñ set_multicast_hops_v6Á ñ multicast_all_v6Á ý ñ set_multicast_all_v6Á ñ multicast_if_v6Á € ñ set_multicast_if_v6Á ñ multicast_loop_v6Á ƒ ñ set_multicast_loop_v6Á ñ unicast_hops_v6Á † ñ set_unicast_hops_v6Á ñ only_v6Á ‰ ñ set_only_v6Á ñ recv_tclass_v6Á Œ ñ set_recv_tclass_v6Á ñ recv_hoplimit_v6Á � ñ set_recv_hoplimit_v6Á ñ original_dst_v6Á U“ tcp_keepalive_timeÁ “ tcp_keepalive_intervalÁ • “ tcp_keepalive_retriesÁ — “ set_tcp_keepaliveÁ “ tcp_nodelayÁ š “ set_tcp_nodelayÁ U� readÁ �
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read_vectoredÁ Ÿ U¡ 'aÁ ¡ð1 ¡ü1 ¤ U¦ writeÁ ¦ write_vectoredÁ ¦ flushÁ Uªš2 ª½2 ªÊ2 ªà2 U ¯× sockrefÁ ± ±±±±±±±±± SockRefÁ » 'sÁ »¨ » _lifetimeÁ ± ¿ç3 ¿å ¿´ ±Ãç3 ä Ã÷ ±Ç× sysÁ É ÉÉÉÉÉÉÉÉÉ É
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É É É
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ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ É É É É É!É"É#É$É%É&É'É(É)É*É+É,É-É.É/É0É1É2É3É4É5É6É7É8É9É:É;É<É=É>É?É@ÉAÉBÉCÉDÉEÉFÉGÉHÉIÉJÉKÉLÉMÉNÉOÉPÉQÉRÉSÉTÉUÉVÉWÉXÉYÉZÉ[É\É]É^É_É`ÉaÉbÉcÉdÉeÉfÉgÉhÉiÉjÉkÉlÉmÉnÉoÉpÉqÉrÉsÉtÉuÉvÉwÉxÉyÉzÉ{É|É}É~ÉÉ€É�ÉX É‚É syscallÁ Éÿ É TCP_CA_NAME_MAXÁ Éå É Ò PACKETÁ Ò VSOCKÁ ÉÕ‹
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Õ cloexecÁ Õ _cloexecÁ ÉÙ is_end_of_recordÁ Ù is_out_of_bandÁ Ù
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is_confirmÁ Ù is_dontrouteÁ ÉÞ× É MaybeUninitSliceÁ àš2 àÁ àù3 Éäš2 Éæš2 Éèš2 èæ è as_sliceÁ è as_mut_sliceÁ É offset_of_pathÁ É
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|
unix_sockaddrÁ ÉƒÉ set_msghdr_nameÁ É set_msghdr_iovÁ É set_msghdr_controlÁ É set_msghdr_flagsÁ É msghdr_flagsÁ É msghdr_control_lenÁ Éö vsockÁ ö as_vsock_addressÁ Éù
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|
is_unnamedÁ ú ù as_sockaddr_unÁ ü ù path_lenÁ ù
|
|||
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|
path_bytesÁ ù as_unixÁ ù as_pathnameÁ � ‚ ù as_abstract_namespaceÁ „ … ÉÁ É RawSocketÁ É socket_from_rawÁ É
|
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|
socket_as_rawÁ É socket_into_rawÁ ɨ É
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|
socketpairÁ � � ÉÇ � ÉÒ ’ É poll_connectÁ Éö • Ƀ — É getsocknameÁ ™ ™ É getpeernameÁ œ œ ÉÍ É‹
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Éï Éë ¢ Éú ¤ Éð ¦ § Éè © ɲ É› ¬ Éú ® Ɉ ° É© Éó ³ Éš! ÉÓ! ¶ É timeout_optÁ É from_timevalÁ É set_timeout_optÁ É into_timevalÁ ÉÅ0 ¼ ɤ1 É into_secsÁ É fcntl_getÁ É fcntl_addÁ Á É fcntl_removeÁ à É
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getsockoptÁ Å¥ Å É
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setsockoptÁ È¥ È É
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to_in_addrÁ É from_in_addrÁ É to_in6_addrÁ É
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|
from_in6_addrÁ É to_mreqnÁ ɲ+ РРɪ0 Ó Ó É Ö accept4Á Ö _accept4Á Ø Ö set_cloexecÁ Ö _set_cloexecÁ Ö tcp_mssÁ Ü Ö set_tcp_mssÁ Ö is_listenerÁ ß Ö¶ Ö protocolÁ â Ö markÁ ä Ö set_markÁ Ö tcp_corkÁ ç Ö set_tcp_corkÁ Ö tcp_quickackÁ ê Ö set_tcp_quickackÁ Ö tcp_thin_linear_timeoutsÁ í Ö set_tcp_thin_linear_timeoutsÁ Ö tcp_notsent_lowatÁ ð Ö set_tcp_notsent_lowatÁ Ö deviceÁ ó Ö bind_deviceÁ õ Ö bind_device_by_index_v4Á Ö bind_device_by_index_v6Á Ö device_index_v4Á Ö device_index_v6Á Ö cpu_affinityÁ û Ö set_cpu_affinityÁ Ö
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reuse_portÁ þ Ö set_reuse_portÁ Ö freebind_v4Á � Ö set_freebind_v4Á Ö freebind_v6Á „ Ö set_freebind_v6Á Ö sendfileÁ ‡— Ö _sendfileÁ ‰ Ö set_tcp_user_timeoutÁ ‹ Ö tcp_user_timeoutÁ � Ö
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attach_filterÁ Ö
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detach_filterÁ Ö cookieÁ Ö tclass_v6Á ’ Ö
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set_tclass_v6Á Ö tcp_congestionÁ • • • Ö set_tcp_congestionÁ ™ Ö set_dccp_serviceÁ Ö dccp_serviceÁ Ö
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set_dccp_ccidÁ Ö dccp_tx_ccidÁ Ö dccp_xx_ccidÁ Ö set_dccp_server_timewaitÁ Ö dccp_server_timewaitÁ Ö set_dccp_send_cscovÁ Ö dccp_send_cscovÁ Ö set_dccp_recv_cscovÁ Ö dccp_recv_cscovÁ Ö set_dccp_qpolicy_txqlenÁ Ö dccp_qpolicy_txqlenÁ Ö dccp_available_ccidsÁ ¨Ÿ ¨ Ö dccp_cur_mpsÁ Ö busy_pollÁ Ö
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set_busy_pollÁ É
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SockFilterÁ ® filterÁ É
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°æ É ²× É ´Ÿ ´å ´´ É
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¸ as_fdÁ ɺ as_raw_fdÁ ɼ÷ ɾ into_raw_fdÁ ÉÀ÷ É from_raw_fdÁ
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Ï IPV4Á Ï IPV6Á Ï UNIXÁ Ï for_addressÁ Ô÷ Ö÷ Ø STREAMÁ Ø DGRAMÁ Ø DCCPÁ Ø SEQPACKETÁ Ø RAWÁ Þ÷ à÷ â ICMPV4Á â ICMPV6Á â TCPÁ â UDPÁ â MPTCPÁ âµT â SCTPÁ â UDPLITEÁ ë÷ í÷ ï is_truncatedÁ Ü; ñ
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ñš2 ñˆ
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ÿš2 ÿ¶ ‚æ ‚ with_timeÁ ‚
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with_intervalÁ ‚ with_retriesÁ MsgHdrÁ ‡ 'addrÁ ‡ 'bufsÁ ‡ 'controlÁ ‡Î ‡
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_lifetimesÁ �ÒW �ßW �ìW �æ � with_addrÁ � with_buffersÁ � with_controlÁ �
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with_flagsÁ – 'nameÁ –ßW –ìW –× MsgHdrMutÁ œÒW œßW œìW œÎ œ„X ¢ÒW ¢ßW ¢ìW ¢æ ¢ºX ¢ËX ¢ßX ¢ flagsÁ ¢ control_lenÁ ¬‰Y ¬ßW ¬ìW ¬× man_linksÁ SockAddrÁ ³… ³‘
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¶ƒ U InterfaceIndexOrAddressÁ ¸ IndexÁ ¹
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DerefMutÁD· ö! ô¼DÑ Ö c_intÁ,Ê7 ¿¬ Ä üÝ\å7 ' ÆÍLò7 & ÇýZDý7 ³ Èï|‡8 ( ɨ[¼×9 ¸ ÊÁ4€: y ËØ3<™: » ÌŒ]lá: × ÍÎQTË; ® Îüáâ½ üˆ- * Utilities for creating and using sockets.Á ¶ú üºG D The goal of this crate is to create and use a socket using advancedÁ ü‚K H configuration options (those that are not available in the types in theÁ üÎ4 1 standard library) without using any unsafe code.Á ƒú ü‡D A This crate provides as direct as possible access to the system'sÁ üÌB ? functionality for sockets, this means little effort to provideÁ ü�M J cross-platform utilities. It is up to the user to know how to use socketsÁ üÝJ G when using this crate. *If you don't know how to create a socket usingÁ ü¨H E libc/system calls then this crate is not for you*. Most, if not all,Á üñI F functions directly relate to the equivalent system call with no errorÁ ü»P M handling applied, so no handling errors such as [`EINTR`]. As a result usingÁ üŒ P M this crate can be a little wordy, but it should give you maximal flexibilityÁ üÝ " over configuration of sockets.Á €
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# ExamplesÁ Æ
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```no_runÁ üØ
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( % # fn main() -> std::io::Result<()> {Á ü� , ) use std::net::{SocketAddr, TcpListener};Á ü® ( % use socket2::{Socket, Domain, Type};Á × ú üÛ 4 1 // Create a TCP listener bound to two addresses.Á ü� @ = let socket = Socket::new(Domain::IPV6, Type::STREAM, None)?;Á Ñ ú üÕ socket.set_only_v6(false)?;Á üõ = : let address: SocketAddr = "[::1]:12345".parse().unwrap();Á ü³
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. + let listener: TcpListener = socket.into();Á T¢ // ...Á ¬ # drop(listener);Á tà # Ok(()) }Á <Ò ```Á Úú |Þ ## FeaturesÁ îú üòP M This crate has a single feature `all`, which enables all functions even onesÁ üÃ& # that are not available on all OSs.Á t• U±Éñò‡œìí„…œøù�‘ÀÍ ×Î ¤, “ºÇ æL �ÈÆ • �ÈÙ – íÆ ë 躻 ÑÛ ‡»± “¼ r° é!
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! °! '±! 8 from_raw_socketÁ |³! Â! Û! 8¨ 4Ã! É! 8 into_raw_socketÁ |Ê! Ù! Ú! % Œ" dé4 Dí4 &'(³Ž$ še Ž e í$$ ë š<* À ‡»TC “¼ †sdO ª¼ àsd] ½¼ œ¦$› …0 × « ¤, ioÁ° ¦ µ ´ “ AF_UNIXÁ<¹ � ýç»,Ó ¿¬ ü sockaddr_inÁ\Ú ˜ ” sockaddr_in6Ádç ¥ ! •¬“„õ € " – AF_INETÁ<‡ � # ÿ AF_INET6ÁD� — $ €´^4¦ ì %´^ í %| ËD ¡¤D8 —šŠ�}€|� s ¥ gjX[KNœ ;TÆ ), ïñÛÝÁÃ¥§lŸ •”� ü¯> ; The integer type used with `getsockname` on this platform.ÁL– ¤š üº@ = The integer type for the `ss_family` field on this platform.Á\£ Ô¤ üË2 / Rust version of the [`sockaddr_storage`] type.Á þ ú ü‚a ^ This type is intended to be used with with direct calls to the `getsockname` syscall. See theÁ üä4 1 documentation of [`SockAddr::new`] for examples.Á ™ ú ü�^ [ This crate defines its own `sockaddr_storage` type to avoid semver concerns with upgradingÁ ”ü `windows-sys`.Á |¯ ªr \:q1?(Wà )ÌÅ <Å ( ( ¢”¤ã ªr+,- ¼Â üþ1 . Construct a new storage containing all zeros.Á4É ªr * * î˜üõ
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, $… üó- üÌ # View this type as another type.Á ô ú dü # SafetyÁ � ú ü• P M The type `T` must be one of the `sockaddr_*` types defined by this platform.Á ê ú tò €Æ <…
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# use core::mem::size_of;Á üû
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use libc::sockaddr_storage;Á üŸ8 5 use socket2::{SockAddr, SockAddrStorage, socklen_t};Á Ü ú üäK H fn from_sockaddr_storage(recv_address: &sockaddr_storage) -> SockAddr {Á ü´4 1 let mut storage = SockAddrStorage::zeroed();Á üíL I let libc_address = unsafe { storage.view_as::<sockaddr_storage>() };Á ü¾& # *libc_address = *recv_address;Á üéU R unsafe { SockAddr::new(storage, size_of::<sockaddr_storage>() as socklen_t) }Á ,à }Á <Í # }Á <Ù ¼Ë<� ¥ ¥ªr ¥òŽ * ¥ . . Œ * ÍìòŽ ‰
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0 $Ý ± ã là Ûr238:;<=>?@ABCDEF ü—$M üôC @ Create a `SockAddr` from the underlying storage and its length.Á ¼ ú dÄ Ýì Õ ú üÝK H Caller must ensure that the address family and length match the type ofÁ üK H storage address. For example if `storage.ss_family` is set to `AF_INET`Á üýK H the `storage` must be initialised as `sockaddr_in`, setting the contentÁ ìÍ and length appropriately.Á ï ú t÷ €Æ Š ú <’ ¼Ë üž ( ºÆ ¤Ë # #[cfg(unix)] {Á „ä
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use std::io;Á ìù use std::os::fd::AsRawFd;Á › ú ü£ C @ use socket2::{SockAddr, SockAddrStorage, Socket, Domain, Type};Á ë ú üó @ = let socket = Socket::new(Domain::IPV4, Type::STREAM, None)?;Á ¸ ú üÀ = : // Initialise a `SocketAddr` by calling `getsockname(2)`.Á ü‚ 5 2 let mut addr_storage = SockAddrStorage::zeroed();Á ü¼ ) & let mut len = addr_storage.size_of();Á ê ú üò E B // The `getsockname(2)` system call will initialize `storage` forÁ ü¼ / , // us, setting `len` to the correct length.Á ´ð let res = unsafe {Á Ô‹! libc::getsockname(Á üª! socket.as_raw_fd(),Á üÎ!# addr_storage.view_as(),Á ¬ö! &mut len,Á L�" )Á 4ž" };Á ”©" if res == -1 {Á üÀ"/ , return Err(io::Error::last_os_error());Á ,ô" äò þ" ú ü†#> ; let address = unsafe { SockAddr::new(addr_storage, len) };Á ¤É# # drop(address);Á <â# òò dî# # Ok(())Á <ÿ# òò <‹$ ¼Ë «$ ªrÛr 1 1 ž£…pK‘yKü«2– üØ%; 8 Initialise a `SockAddr` by calling the function `init`.Á ˜& ú ü &L I The type of the address storage and length passed to the function `init`Á üñ& is OS/architecture specific.Á –' ú üž'F C The address is zeroed before `init` is called and is thus valid toÁ üé'K H dereference and read from. The length initialised to the maximum lengthÁ œ¹( of the storage.Á Ñ( ú dÙ( Ýì ê( ú üò(K ‰÷ üÂ)K Þ÷ ü’*K ³ø ìâ* ‡ù „+ ú tŒ+ €Æ Ÿ+ ú <§+ ¼Ë ü³+( ºÆ ¤à+ íù „ù+ Šú ìŽ, £ú °, ú ü¸,2 / use socket2::{SockAddr, Socket, Domain, Type};Á ï, ú ü÷,@ ¯û ¼- ú üÄ-= …ü ü†. let (_, address) = unsafe {Á üª.0 - SockAddr::try_init(|addr_storage, len| {Á üß.M J // The `getsockname(2)` system call will initialize `storage` forÁ ü±/7 4 // us, setting `len` to the correct length.Á üí/V S if libc::getsockname(socket.as_raw_fd(), addr_storage.cast(), len) == -1 {Á üÈ0/ , Err(io::Error::last_os_error())Á ¤ü0 } else {Á ´•1 Ok(())Á l°1
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}Á TÂ1 })Á <Ñ1 }?;Á ¤Ý1 Ý� <ö1 òò d‚2 ‡‚ <“2 òò <Ÿ2 ¼ËD¹2 ŒšÜœ 1 — 4 ¥ 5 5 4 1 Í쌚 Â2 ÍìÑš Å2 –"Œš’š üƒ3= Œš’š˜" Ó�l³3
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3ŒšÑšƒž<NUW QS ìÐ3 dÖ3 ,·7 3 <closure_kind>Á 7 <closure_signature>Á 7 <upvars>Á 7 7 3 Ï›ü�:Q üÑ8L I Constructs a `SockAddr` with the family `AF_UNIX` and the provided path.Á ¢9 ú üª9: 7 Returns an error if the path is longer than `SUN_LEN`.Á ú€”ó9 ¤ò9 üé9 $”: Œ§Ã¨ 1 ¡ 9 9 1 Í쌧 ™: à Œ§’§ \Ò:
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"T') üÌ<6 ü¡;" Set the length of the address.Á È; ú dÐ; Ýì á; ú üé;I F Caller must ensure that the address up to `length` bytes are properlyÁ „·<
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initialised.ÁTÚ< © ©Ûr 1 å< 1
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: $ê< ¿]4ð< üÒ=) ü«=" Returns this address's family.Á4ß= ª ªÛr 1 æ= 1
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; $ç= üÑ>$ ü¨>$ ! Returns this address's `Domain`.Á4Þ> « «Ûr äz 1 å> 1
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< $æ> üæ?$ ü³?. + Returns the size of this address in bytes.Á ó? ¬ ¬Ûr 1 ÷? 1
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= $ø? ü×@4 ü©@) & Returns a raw pointer to the address.Á4ä@ Ûr © 1 ë@ 1
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> $ì@ ü�B0 üäA' $ Returns the address as the storage.ÁT�B Ûrªr 1 1
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? ûVüîC# ü•CT Q Returns true if this address is in the `AF_INET` (IPv4) family, false otherwise.Á<ûC ® ®Ûr 1 ƒD 1
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@ $„D üºE# üØDJ G Returns true if this address is in the `AF_INET6` (IPv6) family, falseÁ t§E otherwise.Á<ÇE ¯ ¯Ûr 1 ÏE 1
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A $ÐE ìéG ü¥F\ Y Returns true if this address is of a unix socket (for local interprocess communication),Á ü†G: 7 i.e. it is from the `AF_UNIX` family, false otherwise.Á ú€”ÏG ¤ÎG üÅG <ðG ° °Ûr 1 øG 1
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B $ùG üÜI- üÍHK H Returns this address as a `SocketAddr` if it is in the `AF_INET` (IPv4)Á ü�I: 7 or `AF_INET6` (IPv6) family, otherwise returns `None`.ÁLãI ± ±Ûr ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙ�s 1 íI 1
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C $îI üçT4 üŠTH E Returns this address as a [`SocketAddrV4`] if it is in the `AF_INET`Á \×T family.ÁtîT ² ²Ûr ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙús 1 ýT 1
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D $þT üÿV4 ü¡VI F Returns this address as a [`SocketAddrV6`] if it is in the `AF_INET6`Á \ïV Ç¡t†W ³ ³Ûr ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙÔt 1 •W 1
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Sé²$úz º=Y*, T÷4 4û4 y«¬ÍÎ¸× ê ¤, U V‚â$ý ¦ U X ReadÁ$ƒ à U Y WriteÁ,‰ Ÿ! U Z“º<ð æL U \
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|||
|
|
IoSliceMutÁTù ö U ]èº\” ÑÛ U ^ÄäDΠ̺ U _ netÁ$ç ž" U a¼µDí ¾º U b ShutdownÁD÷ ¶M U c FromRawFdÁL× + U e IntoRawFdÁLâ ¯+ U fô¼DÇ Ö U gÐ4$ã É U iç»,é ¿¬ U j ü×DTð Å U köDTü È U lX$ˆ Ì U m±YLâ œ U n´^4ù ì U p´^ í U pÂ_D� „ U qÂ_ … U qýZD‹ ³ U r ÈÛ`d• œ U só$£ ø U tó ù U tÜ;„‡ ñ U vÜ; ò U vÄW4™ ‡ U wŽ`L¡ � U xŽ` ‘ U xDå·<óªøš�ˆ‹<æ~�gj¬Š]”ÄODÜ? á25 \É
|
|||
|
|
|
|||
|
|
ô÷œ¼êTÖÝ ÝÐÓ¾Á±´¥¨„Ûœ,ñ�“psPS?B25,ÿöøçéŒà ü® ) & Owned wrapper around a system socket.Á Ø ú üÜ M J This type simply wraps an instance of a file descriptor (`c_int`) on UnixÁ üª
|
|||
|
|
M J and an instance of `SOCKET` on Windows. This is the main type exported byÁ üø
|
|||
|
|
H E this crate and is intended to mirror the raw semantics of sockets onÁ üÁ F C platforms as closely as possible. Almost all methods correspond toÁ üˆ I F precisely one libc or OS API call which is essentially just a "RusticÁ üÒ ! translation" of what's below.Á ô ú üø ) & ## Converting to and from other typesÁ ¢
|
|||
|
|
ú ü¦
|
|||
|
|
M J This type can be freely converted into the network primitives provided byÁ üô
|
|||
|
|
K H the standard library, such as [`TcpStream`] or [`UdpSocket`], using theÁ üÀ* ' [`From`] trait, see the example below.Á ëú üï& # [`TcpStream`]: std::net::TcpStreamÁ ü–& # [`UdpSocket`]: std::net::UdpSocketÁ ½ú \Á # NotesÁ Íú üÑM J Some methods that set options on `Socket` require two system calls to setÁ üŸK H their options without overwriting previously set options. We do this byÁ üëN K first getting the current settings, applying the desired changes, and thenÁ üºP M updating the settings. This means that the operation is **not** atomic. ThisÁ ü‹N K can lead to a data race when two threads are changing options in parallel.Á Úú tÞ€Æ lí£Æ üû(ºÆ ü¤,ìÆ üÑ(¢Ç úú äþ // create a TCP listenerÁ ü›@žÈ Üú üà=�É üž! let address = address.into();Á ÜÀ socket.bind(&address)?;Á ÄÜ�Ê õú üù.½Ê T¨ôÊ ¬³‡Ë tÉ¥Ë <Ø¼Ë 4ë èv ¹5ƒ$W
|
|||
|
|
Ÿ z”ø,øU y y °~\� èv|}~€‚ƒ†‡ˆ‰Š‹�Ž��‘’“”•–—˜™š›œ�žŸ ¡¢£¤¥¦§¨©ª üÆ5DÔ èv { {
|
|||
|
|
| @ Ýü’ -4 ¼ ¼èv { § { ìõ$¨ üõ .Dƒ èv { {
|
|||
|
|
~ $Œ üÁ"V üÚ / , Creates a new socket and sets common flags.Á Ž ú ü– H E This function corresponds to `socket(2)` on Unix and `WSASocketW` onÁ dã Windows.Á ô ú üü J G On Unix-like systems, the close-on-exec flag is set on the new socket.Á üË I F Additionally, on Apple platforms `SOCK_NOSIGPIPE` is set. On Windows,Á ü™!' $ the socket is made non-inheritable.Á Å!ú üÍ!L I [`Socket::new_raw`] can be used if you don't want these flags to be set.Á ø3Ç#Ÿôž"
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=socket§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=socket&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/socket.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/socket.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/socket.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/socket>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-socket>
|
|||
|
|
Á È" äzœ{ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙÔ{Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
èv˜› { {
|
|||
|
|
¶4Ì"´Ü"®GDæ"üï%Z ü”$0 - Creates a new socket ready to be configured.Á É$ú üÑ$H¾Ä üž%L I Windows and simply creates a new socket, no other configuration is done.Á<ö% äzœ{±ÏøÏ { {
|
|||
|
|
€ ¶4þ%´Ž&®GD˜& ö& € “� � «� � È� � � € � Ô{ üÇ*€ üÏ'@ = Creates a pair of sockets which are connected to each other.Á ”(ú üœ(1 . This function corresponds to `socketpair(2)`.Á Ò(ú üÚ(E B This function sets the same flags as in done for [`Socket::new`],Á ü¤)J G [`Socket::pair_raw`] can be used if you don't want to set those flags.Á øHÅ%hüó)( ã
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=socketpair§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=socketpair&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/socketpair.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socketpair.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/socketpair.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/socketpair.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socketpair.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/socketpair>
|
|||
|
|
Á »£|ª*ú $»*¼©*ü *"$Î* äzœ{±ÏÖ¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
èvèv˜› { {
|
|||
|
|
‚ ¶4Ü*´ô*®GD†+üÂ.„ ü˜-@ìÒ Ý-ú üå-1ÂÓ »£|¥.ú $¶.¼¤.ü›."DÉ. äzœ{±ÏÛÜ { {
|
|||
|
|
ƒ ¶4Û.´ó.®GD…/ ó/ ƒ “� „ «� „ È� „ „ ƒ „ÌÓ DÀ0 ƒ “� … «� … È� … … ƒ … ©Ý ü¿28 ü€1/ , Binds this socket to the specified address.Á ´1ú ü¼1K H This function directly corresponds to the `bind(2)` function on WindowsÁ lŒ2
|
|||
|
|
and Unix.Á ø`Ç#Ÿäž2 Ž
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=bind§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=bind&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/bind.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/bind.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/bind.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/bind>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind>
|
|||
|
|
Á$Æ2 ½ ¾ ½èv ¾Ûr Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
˜› { Ë2 {
|
|||
|
|
† $Ì2˜<Ò2üÊ:; ü¯3B ? Initiate a connection on this socket to the specified address.Á ö3ú üþ3F C This function directly corresponds to the `connect(2)` function onÁ ¬É4 Windows and Unix.Á ã4ú üë4G D An error will be returned if `listen` or `connect` has already beenÁ Ü·5 called on this builder.Á øxÇ#Ÿü×5 ©
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=connect§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=connect&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/connect.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/connect.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/connect.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/connect>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect>
|
|||
|
|
Á û5ú \ƒ6²º “6ú ü›6A > When using a non-blocking connect (by setting the socket intoÁ üá6K H non-blocking mode before calling this function), socket option can't beÁ ü±7E B set *while connecting*. This will cause errors on Windows. SocketÁ üû7E B options can be safely set before and after connecting the socket.Á Å8ú üÍ8K H On Cygwin, a Unix domain socket connect blocks until the server acceptsÁ ü�9H E it. If the behavior is not expected, try [`Socket::set_no_peercred`]Á ”ê9 (Cygwin only).Á<Ñ: ¿ À ¿èv ÀÛr âè { Ù: {
|
|||
|
|
‡ $Ú:˜<à:ü’CS üÀ;G D Initiate a connection on this socket to the specified address, onlyÁ üŒ<F C only waiting for a certain period of time for the connection to beÁ „×<
|
|||
|
|
established.Á ì<ú üô<J G Unlike many other methods on `Socket`, this does *not* correspond to aÁ üÃ=K H single C function. It sets the socket to nonblocking mode, connects viaÁ ü“>J G connect(2), and then waits for the connection to complete with poll(2)Á üâ>G D on Unix and select on Windows. When the connection is complete, theÁ ü®?E B socket is set back to blocking mode. On Unix, this will loop overÁ œø? `EINTR` errors.Á �@ú t˜@ # WarningsÁ «@ú ü³@I F The non-blocking state of the socket is overridden by this function -Á ü�AL I it will be returned in blocking mode on success, and in an indeterminateÁ ¬ÒA state on failure.Á ìAú üôAJ G If the connection request times out, it may still be processing in theÁ üÃBJ G background - a second call to `connect` or `connect_timeout` may fail.Á|™C Á  Áèv ÂÛr è½âè { ©C {
|
|||
|
|
ˆ $ªCÃâ$°C timeoutÁ<ÁCüÅJ6 üØGG D Mark a socket as ready to accept incoming connection requests usingÁ ̤H [`Socket::accept()`].Á ÂHú üÊHE B This function directly corresponds to the `listen(2)` function onÁ ¬”I”ê ®Iú ü¶IG¿ê Ü‚J�ë ø�Ç#Ÿô¢J
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=listen§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=listen&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/listen.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/listen.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/listen.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/listen.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/listen.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/listen>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-listen>
|
|||
|
|
Á4ÌJ Ã Ãèv âè { ÓJ {
|
|||
|
|
‰ $ÔJ backlogÁ<ÚJüÑP6 üµK8 5 Accept a new incoming connection from this listener.Á òKú üúKD A This function uses `accept4(2)` on platforms that support it andÁ üÃL& # `accept(2)` platforms that do not.Á îLú üöLE‰Ô üÀML I [`Socket::accept_raw`] can be used if you don't want to set those flags.Á ø¨Ç#Ÿô‘N
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=accept§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=accept&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/accept.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/accept.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/accept.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/accept>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-accept>
|
|||
|
|
Á ´Nú \¼N²º ÌNú üÔNKàô ü¤OHµõ ”ñO†ö4ØP Ä Äèv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
èvÛr˜› { ßP {
|
|||
|
|
Š $àPüË\: ü¢[8͉ ß[ú üç[E B This function directly corresponds to the `accept(2)` function onÁ ¬±\”êTÒ\ Å Åèv «” { Ý\ {
|
|||
|
|
‹ $Þ\|¯] ‹ “� Œ «� Œ È� Œ Œ ‹ Œ Ûrù” üê`0 üë]@ = Returns the socket address of the local half of this socket.Á °^ú ü¸^J G This function directly corresponds to the `getsockname(2)` function onÁ ¬‡_”ê øÀÇ#Ÿü¡_# Í
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=getsockname§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=getsockname&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/getsockname.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getsockname.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/getsockname.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/getsockname.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getsockname.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/getsockname>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-getsockname>
|
|||
|
|
Á É_ú \Ñ_²º á_ú üé_E B Depending on the OS this may return an error if the socket is notÁ d³` [bound].Á Ä`ú ÌÌ` [bound]: Socket::bindÁTñ` Æ Æèv è { ü` {
|
|||
|
|
� $ý`üÀd/ üÐaA > Returns the socket address of the remote peer of this socket.Á –bú üžbJ G This function directly corresponds to the `getpeername(2)` function onÁ ¬íb”ê øØÇ#Ÿü‡c# Í
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=getpeername§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=getpeername&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/getpeername.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getpeername.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/getpeername.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/getpeername.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getpeername.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/getpeername>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-getpeername>
|
|||
|
|
Á ¯cú \·c²º Çcú üÏc= : This returns an error if the socket is not [`connect`ed].Á ‘dú ü™d" [`connect`ed]: Socket::connectÁLÇd Ç Çèv è { Ñd {
|
|||
|
|
Ž $ÒdüŠf( ü¥eK H Returns the [`Type`] of this socket by checking the `SO_TYPE` option onÁ „õe
|
|||
|
|
this socket.Á4‘f È Èèv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
œ{˜› { ˜f {
|
|||
|
|
� $™füØk- üŸgF C Creates a new independently owned handle to the underlying socket.Á êgú \òg²º ‚hú üŠhI F On Unix this uses `F_DUPFD_CLOEXEC` and thus sets the `FD_CLOEXEC` onÁ ÄØh the returned socket.Á õhú üýhK H On Windows this uses `WSA_FLAG_NO_HANDLE_INHERIT` setting inheriting toÁ TÍi false.Á Üiú üäiD A On Windows this can **not** be used function cannot be used on aÁ Üj QOS-enabled socket, seeÁ üÍjb _ <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsaduplicatesocketw>.Á ú€”¾k¤½kü´k Lßk É Éèv øÏ { ék {
|
|||
|
|
� $êküèo- üÏlL I Returns true if this socket is set to nonblocking mode, false otherwise.Á mú \¨m²º ¸mú üÀmF C On Unix this corresponds to calling `fcntl` returning the value ofÁ Œ‹n `O_NONBLOCK`.Á ¡nú ü©nG D On Windows it is not possible retrieve the nonblocking mode status.Á »£|ˆoú $¥o ú€”¯oî‘ŒÇoœÆoü®o,ü¤o7üþncüõnn\ïo Ê Êèv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
˜› { ûo {
|
|||
|
|
‘ $üoüØrB üËp6 3 Moves this socket into or out of nonblocking mode.Á †qú \Žq²º žqú ü¦qI F On Unix this corresponds to calling `fcntl` (un)setting `O_NONBLOCK`.Á ôqú üüqD A On Windows this corresponds to calling `ioctlsocket` (un)settingÁ tÅr `FIONBIO`.Á|ßr Ë Ëèv âè { ïr {
|
|||
|
|
’ $ðr‹
|
|||
|
|
\örüäu7 üásB ? Shuts down the read, write, or both halves of this connection.Á ¨tú ü°tH E This function will cause all pending and future I/O on the specifiedÁ üýt= : portions to return immediately with an appropriate value.Á øðÇ#Ÿü¿u ²
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=shutdown§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=shutdown&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/shutdown.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/shutdown.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/shutdown.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/shutdown.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/shutdown.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/shutdown>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-shutdown>
|
|||
|
|
ÁDëu Ì Ìèv ¶M·M¸Mž¬ ¹MºMµ¬ »M¼M BothÁ lÏÏ‘£A2Í âè { ôu {
|
|||
|
|
“ $õu howÁ ûuü›~D üÓvF C Receives data on the socket from the remote address to which it isÁ tžw connected.Á ±wú ü¹wH E The [`connect`] method will connect this socket to a remote address.Á ü†x: 7 This method might fail if the socket is not connected.Á øˆÇ#ŸäÅx Ž
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=recv§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=recv&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/recv.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recv.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/recv.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/recv.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recv.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/recv>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-recv>
|
|||
|
|
Á æxú üîx [`connect`]: Socket::connectÁ “yú d›yÝì ¬yú ü´yG D Normally casting a `&mut [u8]` to `&mut [MaybeUninit<u8>]` would beÁ ü€zJ G unsound, as that allows us to write uninitialised bytes to the buffer.Á üÏzL I However this implementation promises to not write uninitialised bytes toÁ ü {F C the `buf`fer and passes it directly to `recv(2)` system call. ThisÁ üë{H E promise ensures that this function can be called using a `buf`fer ofÁ ¬¸| type `&mut [u8]`.Á Ò|ú üÚ|L I Note that the [`io::Read::read`] implementation calls this function withÁ ü«}K H a `buf`fer of type `&mut [u8]`, allowing initialised buffers to be usedÁ Üû} without using `unsafe`.Á$¢~ Í Î Íèv Î
|
|||
|
|
ÑÛÑÛ èº ÓÛ uninitÁÝ ÔÛ»Ý Íõƒ«%9Óñ { §~ {
|
|||
|
|
” $¨~«¹ ®~üÍ‚P ü’L I Receives out-of-band (OOB) data on the socket from the remote address toÁ üãF C which it is connected by setting the `MSG_OOB` flag for this call.Á ®€ú ü¶€? < For more information, see [`recv`], [`out_of_band_inline`].Á ú€ú Ô‚� [`recv`]: Socket::recvÁ ü¡�6 3 [`out_of_band_inline`]: Socket::out_of_band_inlineÁ ú€”³‚¤²‚ü©‚ „Ô‚ Ï Ð Ïèv кÓÓñ { å‚ {
|
|||
|
|
• $æ‚«¹ ì‚ü÷„� üÛƒL I Identical to [`recv`] but allows for specification of arbitrary flags toÁ ü¬„ the underlying `recv` call.Á Єú ÔØ„ÉÕ|þ„ Ñ Ò Ñèv ÒºÓÓñ { —… {
|
|||
|
|
– $˜…«¹ ¦…¦Z,Ë…üù�w ü³†Fðà üþ†D A connected. Unlike [`recv`] this allows passing multiple buffers.Á LJú üχHãÄ üœˆ:µÅ Ûˆú üãˆL I In addition to the number of bytes read, this function returns the flagsÁ ü´‰J G for the received message. See [`RecvFlags`] for more information aboutÁ ¼ƒŠ the returned flags.Á ø Ç#ŸüŸŠ ©
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=recvmsg§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=recvmsg&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/recvmsg.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recvmsg.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/recvmsg.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/recvmsg.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recvmsg.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/recvmsg>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-recvmsg>
|
|||
|
|
Á Êú ÔËŠÉÕ üêŠ §Ì �‹ú d—‹Ýì ¨‹ú ü°‹K H Normally casting a `IoSliceMut` to `MaybeUninitSlice` would be unsound,Á ü€ŒI F as that allows us to write uninitialised bytes to the buffer. HoweverÁ üÎŒH E this implementation promises to not write uninitialised bytes to theÁ ü›�K H `bufs` and passes it directly to `recvmsg(2)` system call. This promiseÁ üë�G D ensures that this function can be called using `bufs` of type `&mutÁ ”·Ž [IoSliceMut]`.Á ÎŽú üÖŽG D Note that the [`io::Read::read_vectored`] implementation calls thisÁ ü¢�J G function with `buf`s of type `&mut [IoSliceMut]`, allowing initialisedÁ üñ�. + buffers to be used without using `unsafe`.Á ú redoxÁœ²�ú€”Ç�ú horizonÁ¬Û�ü±�@ü�Eü¤�Pl€‘ Ó Ô Õ Óèv Ô
|
|||
|
|
ñ ñ òÜ; ôˆ '铨"{ª’ ÕÖ¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
Œ|˜› { —‘ {
|
|||
|
|
— $˜‘ bufsÁ$¦‘ü�–˜ ü’L I Identical to [`recv_vectored`] but allows for specification of arbitraryÁ üþ’5 2 flags to the underlying `recvmsg`/`WSARecv` call.Á ¸“ú üÀ“, ) [`recv_vectored`]: Socket::recv_vectoredÁ ñ“ú dù“Ýì Š”ú ü’”J G `recv_from_vectored` makes the same safety guarantees regarding `bufs`Á Ìá” as [`recv_vectored`].Á ÿ”ú ü‡•,ñì úûèœÆ•ú€”Û•úšé¬ï•üÅ•@üÁ•Eü¸•PÄ”– Ö × Ø Öèv ×
|
|||
|
|
ñ ñ òÜ; ôˆ '铨"{ª’ Ø´ë { ¶– {
|
|||
|
|
˜ $·–¯ë$Å–¦Z,ð–üé›D üê—Fðà üµ˜E B connected, without removing that data from the queue. On success,Á üÿ˜' $ returns the number of bytes peeked.Á «™ú ü³™J G Successive calls return the same data. This is accomplished by passingÁ ü‚š> ; `MSG_PEEK` as a flag to the underlying `recv` system call.Á Åšú dÍšÝì Þšú üæšE B `peek` makes the same safety guarantees regarding the `buf`fer asÁ l°›
|
|||
|
|
[`recv`].Á ›ú ÔÊ›ÉÕ$ð› Ù Ú Ùèv ÚºÓÓñ { õ› {
|
|||
|
|
™ $ö›«¹ ü›üÁŸU üìœJ G Receives data from the socket. On success, returns the number of bytesÁ ü»�3 0 read and the address from whence the data came.Á ø¸Ç#Ÿüó� ²
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=recvfrom§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=recvfrom&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/recvfrom.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recvfrom.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/recvfrom.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/recvfrom.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recvfrom.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/recvfrom>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-recvfrom>
|
|||
|
|
Á ˜žú d žÝì ±žú ü¹žJ G `recv_from` makes the same safety guarantees regarding the `buf`fer asÁ lˆŸ‘ô šŸú Ô¢ŸÉÕLÈŸ Û Ü Ûèv ܺÓÖ¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
Ûr˜› { ÒŸ {
|
|||
|
|
š $ÓŸ«¹ ÙŸüý¡� üÎ H E Identical to [`recv_from`] but allows for specification of arbitraryÁ ü›¡, ) flags to the underlying `recvfrom` call.Á Ì¡ú üÔ¡$ ! [`recv_from`]: Socket::recv_fromÁ¤„¢ Ý Þ Ýèv ÞºÓéÿ { ¢¢ {
|
|||
|
|
› $£¢«¹ ±¢¦Z,Ö¢ü‘¨† üÊ£H E Receives data from the socket. Returns the amount of bytes read, theÁ ü—¤H E [`RecvFlags`] and the remote address from the data is coming. UnlikeÁ üä¤7 4 [`recv_from`] this allows passing multiple buffers.Á øÐÇ#Ÿü ¥ ÃÜ Ä¥ú üÌ¥$–� õ¥ú dý¥Ýì Ž¦ú ü–¦JÐí Ìå¦¤î ƒ§ú ü‹§,ñì úûèœÊ§ú€”ߧúšé¬ó§üɧ@üŧEü¼§P”˜¨ ß à á ßèv à
|
|||
|
|
ñ ñ òÜ; ôˆ '铨"{ª’ áÖ¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
Œ|Ûr˜› { ´¨ {
|
|||
|
|
œ $µ¨¯ë$èü̧ üÙ©G D Identical to [`recv_from_vectored`] but allows for specification ofÁ ü¥ªC @ arbitrary flags to the underlying `recvmsg`/`WSARecvFrom` call.Á íªú üõª6 3 [`recv_from_vectored`]: Socket::recv_from_vectoredÁ °«ú d¸«Ýì É«ú üÑ«JÐí Ì ¬¤î ¾¬ú üƬ,ñì úû蜅ú€”šúšé¬®ü„@ü€Eü÷¬PìÓ â ã ä âèv ã
|
|||
|
|
ñ ñ òÜ; ôˆ '铨"{ª’ äí‡ { ú {
|
|||
|
|
� $û¯ë$‰®¦Z,´®ü͹U ü½¯F C Receives data from the socket, without removing it from the queue.Á ˆ°ú ü�°Jüñ üß°B ? `MSG_PEEK` as a flag to the underlying `recvfrom` system call.Á ¦±ú ü®±G D On success, returns the number of bytes peeked and the address fromÁ Ìú± whence the data came.Á ˜²ú d ²Ýì ±²ú ü¹²J G `peek_from` makes the same safety guarantees regarding the `buf`fer asÁ lˆ³‘ô š³ú 䢳 # Note: Datagram SocketsÁ üóP M For datagram sockets, the behavior of this method when `buf` is smaller thanÁ ü˜´M J the datagram at the head of the receive queue differs between Windows andÁ üê´N K Unix-like platforms (Linux, macOS, BSDs, etc: colloquially termed "*nix").Á ½µú üŵH E On *nix platforms, the datagram is truncated to the length of `buf`.Á ’¶ú üš¶I F On Windows, an error corresponding to `WSAEMSGSIZE` will be returned.Á è¶ú üð¶^ [ For consistency between platforms, be sure to provide a sufficiently large buffer to avoidÁ üÓ·K H truncation; the exact size required depends on the underlying protocol.Á £¸ú ü«¸I F If you just want to know the sender of the data, try [`peek_sender`].Á ù¸ú Ô�¹ÉÕ ü ¹( % [`peek_sender`]: Socket::peek_senderÁLÔ¹ å æ åèv æºÓéÿ { Þ¹ {
|
|||
|
|
ž $ß¹«¹ å¹üó¼1 üæºF C Retrieve the sender for the data at the head of the receive queue.Á ±»ú ü¹»I F This is equivalent to calling [`peek_from`] with a zero-sized buffer,Á ü‡¼6 3 but suppresses the `WSAEMSGSIZE` error on Windows.Á ¼ú üʼ$ ! [`peek_from`]: Socket::peek_fromÁ\ú¼ ç çèv è { †½ {
|
|||
|
|
Ÿ $‡½üâÁ^ üÚ½> ; Receive a message from a socket using a message structure.Á �¾ú ü¥¾K H This is not supported on Windows as calling `WSARecvMsg` (the `recvmsg`Á üõ¾7 4 equivalent) is not straight forward on Windows. SeeÁ ü±¿› ˜ <https://github.com/microsoft/Windows-classic-samples/blob/7cbd99ac1d2b4a0beffbaba29ea63d024ceff700/Samples/Win7Samples/netds/winsock/recvmsg/rmmc.cpp>Á äÑÀ for an example (in C++).Á øèÇ#ŸüòÀ ÃÜ ú $ Áúû蜮Áúšé¬ÃÁüÁ,ü©Á1üŸÁ<ü–ÁG<éÁ è é ê ë ì èèv é œ œ ±Y Î ¡„X @%~›ß ã ê ë ìÓñ { ñÁ {
|
|||
|
|
$òÁ msgÁ øÁ¦Z,™Âü‰Å3 üþÂ1 . Sends data on the socket to a connected peer.Á ´Ãú ü¼ÃH E This is typically used on TCP sockets or datagram sockets which haveÁ œ‰Ä been connected.Á ¡Äú ü©Ä: 7 On success returns the number of bytes that were sent.Á ø€Ç#ŸäèÄ Ž
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=send§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=send&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/send.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/send.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/send.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/send.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/send.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/send>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-send>
|
|||
|
|
Á$�Å í î íèv îå² Óñ { •Å {
|
|||
|
|
¡ $–Å«¹ œÅü‹ÇL üïÅ[ X Identical to [`send`] but allows for specification of arbitrary flags to the underlyingÁ „ÏÆ
|
|||
|
|
`send` call.Á äÆú ÔìÆ [`send`]: Socket::sendÁ|’Ç ï ð ïèv ðå² Óñ { ¢Ç {
|
|||
|
|
¢ $£Ç«¹ ©Ç¦Z,µÇüµÉF ü’ÈI F Send data to the connected peer. Returns the amount of bytes written.Á úûèœîÈú€”ƒÉúšé¬—ÉüíÈ@üéÈEüàÈPl¼É ñ ò ó ñèv ò
|
|||
|
|
æLæL çL“º éLˆ¦ —óë@M$ T ó Óñ { ÊÉ {
|
|||
|
|
£ $Ëɯë$ÑÉüõÌ~ ü¸ÊL I Identical to [`send_vectored`] but allows for specification of arbitraryÁ ü‰Ë5 2 flags to the underlying `sendmsg`/`WSASend` call.Á ø˜Ç#ŸüÃË ©
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=sendmsg§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=sendmsg&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/sendmsg.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendmsg.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/sendmsg.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/sendmsg.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendmsg.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/sendmsg>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendmsg>
|
|||
|
|
Á çËú üïË, ) [`send_vectored`]: Socket::send_vectoredÁ úû蜮Ìú€”ÃÌúšé¬×ÌüÌ@ü©ÌEü ÌPÄüÌ ô õ ö ôèv õ
|
|||
|
|
æLæL çL“º éLˆ¦ —óë@M$ T ö Óñ { žÍ {
|
|||
|
|
¤ $ŸÍ¯ë$ͦZ,ËÍüÑÑ? ü¸Î@ = Sends out-of-band (OOB) data on the socket to connected peerÁ üýÎ0 - by setting the `MSG_OOB` flag for this call.Á ²Ïú üºÏ? < For more information, see [`send`], [`out_of_band_inline`].Á þÏú ԆШ« ü¥Ð6îÕ ú€”·Ñ¤¶ÑüÑ „ØÑ ÷ ø ÷èv øå² Óñ { éÑ {
|
|||
|
|
¥ $êÑ«¹ ðÑüÔG üÎÒJ G Sends data on the socket to the given address. On success, returns theÁ ä�Ó number of bytes written.Á ¾Óú üÆÓ? < This is typically used on UDP or datagram-oriented sockets.Á ø°Ç#ŸôŠÔ
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=sendto§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=sendto&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/sendto.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendto.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/sendto.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/sendto.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendto.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/sendto>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto>
|
|||
|
|
Á<´Ô ù ú û ùèv úå² ûÛr Óñ { ¼Ô {
|
|||
|
|
¦ $½Ô«¹ ÃÔÃâ$ÏÔü×Ö‡ ü°ÕL I Identical to [`send_to`] but allows for specification of arbitrary flagsÁ ü�Ö$ ! to the underlying `sendto` call.Á ªÖú ü²Ö [`send_to`]: Socket::send_toÁ”ÞÖ ü ý þ üèv ýå² þÛr Óñ { úÖ {
|
|||
|
|
§ $ûÖ«¹ ‰×Ãâ$�צZ,¶×üùÙZ ü¢ØH E Send data to a peer listening on `addr`. Returns the amount of bytesÁ dïØ written.Á øÈÇ#Ÿü€Ù ° úû蜲Ùú€”ÇÙúšé¬ÛÙü±Ù@üÙEü¤ÙP„€Ú ÿ € � ‚ ÿèv €
|
|||
|
|
æLæL çL“º éLˆ¦ —óë@M$ T � ‚Ûr Óñ { ‘Ú {
|
|||
|
|
¨ $’Ú¯ë$˜ÚÃâ$®Úü½Ýš ü™ÛE B Identical to [`send_to_vectored`] but allows for specification ofÁ üãÛA > arbitrary flags to the underlying `sendmsg`/`WSASendTo` call.Á ©Üú ü±Ü2 / [`send_to_vectored`]: Socket::send_to_vectoredÁ úûèœöÜú€”‹Ýúšé¬ŸÝüõÜ@üñÜEüèÜPÜÄÝ ƒ „ … † ƒèv „
|
|||
|
|
æLæL çL“º éLˆ¦ —óë@M$ T … †Ûr Óñ { éÝ {
|
|||
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© $êݯë$øÝÃâ$–Þ¦Z,¯ÞüÜàW ü¥ß9 6 Send a message on a socket using a message structure.Á øàÇ#Ÿüãß ° úû蜕àú€”ªàúšé¬¾àü”à@ü�àEü‡àP<ãà ‡ ˆ ‰ Š ‹ ‡èv ˆ ‡ ‡ ÄW ‹Î Œ„X ÚÑ<hyWˆ ‰ Š ‹ Óñ { ëà {
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ª $ìà× òà¦Z,Œáüàâ*|éâ U œ{œ{
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« ´0Zü·è9„ºè U èvøÏ
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¬ ¨4Ëè\·ÿ ü™ý. + Socket options get/set using `SOL_SOCKET`.Á Èýú üÌýE B Additional documentation can be found in documentation of the OS.Á ü’þB ? * Linux: <https://man7.org/linux/man-pages/man7/socket.7.html>Á üÕþa ^ * Windows: <https://docs.microsoft.com/en-us/windows/win32/winsock/sol-socket-socket-options>Á èv®°±²´µ¶·¹º¼½¿ÀÂÃÄÅÇÈÊËÌ ü•�+ üÉÿ? < Get the value of the `SO_BROADCAST` option for this socket.Á �€ú ü•€B ? For more information about this option, see [`set_broadcast`].Á Ü€ú üä€, ) [`set_broadcast`]: Socket::set_broadcastÁLœ� Œ Œèv Š· ¦�
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® $§�\¼‚ ® “� ¯ «� ¯ È� ¯ ¯ ® ¯ ü–„> üí‚? < Set the value of the `SO_BROADCAST` option for this socket.Á ±ƒú ü¹ƒG D When enabled, this socket is allowed to send packets to a broadcastÁ d…„ address.Ál�„ � �èv âè «„
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° $¬„“"L²„ü ˆ9 üª†: 7 Get the value of the `SO_ERROR` option on this socket.Á é†ú üñ†J G This will retrieve the stored error in the underlying socket, clearingÁ üÀ‡L I the field in the process. This can be useful for checking errors betweenÁ T‘ˆ calls.ÁT§ˆ Ž Žèv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙ˜›˜› ²ˆ
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± $³ˆü£Œ+ üØŠ> ; Get the value of the `SO_KEEPALIVE` option on this socket.Á ›‹ú ü£‹B ? For more information about this option, see [`set_keepalive`].Á ê‹ú üò‹, ) [`set_keepalive`]: Socket::set_keepaliveÁLªŒ � �èv Š· ´Œ
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² $µŒ\É� ² “� ³ «� ³ È� ³ ³ ² ³ÐÚ ü��> üú�; 8 Set value for the `SO_KEEPALIVE` option on this socket.Á ºŽú üÂŽI F Enable sending of keep-alive messages on connection-oriented sockets.Ál—� � �èv âè ¥�
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´ $¦�Ð"L¬�üã’4 ü¤‘; 8 Get the value of the `SO_LINGER` option on this socket.Á ä‘ú üì‘? < For more information about this option, see [`set_linger`].Á °’ú ü¸’& # [`set_linger`]: Socket::set_lingerÁ4ê’ ‘ ‘èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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™À˜› ñ’
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µ $ò’üÛ™D ü¸”8 5 Set value for the `SO_LINGER` option on this socket.Á õ”ú üý”H E If `linger` is not `None`, a close(2) or shutdown(2) will not returnÁ üÊ•K H until all queued messages for the socket have been successfully sent orÁ üš–D A the linger timeout has been reached. Otherwise, the call returnsÁ üã–J G immediately and the closing is done in the background. When the socketÁ ü²—F C is closed as part of exit(2), it always lingers in the background.Á ý—ú \…˜²º •˜ú ü�˜H E On most OSs the duration only has a precision of seconds and will beÁ ¼ê˜ silently truncated.Á †™ú üŽ™H E On Apple platforms (e.g. macOS, iOS, etc) this uses `SO_LINGE
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oob_inlineÁT�£ü†§* ü‡¥: 7 Get value for the `SO_PASSCRED` option on this socket.Á Æ¥ú üÎ¥A > For more information about this option, see [`set_passcred`].Á ”¦ú üœ¦* ' [`set_passcred`]: Socket::set_passcredÁ úò œÕ¦ú«
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¤ê¦üÔ¦+ü˦6D�§ • •èv Š· –§
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º $—§T«¨ º “� » «� » È� » » º »ÐÚ üȪ< üÚ¨: 7 Set value for the `SO_PASSCRED` option on this socket.Á ™©ú ü¡©M J If this option is enabled, enables the receiving of the `SCM_CREDENTIALS`Á ¬ó© control messages.Á úò œ—ªú«
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¤¬ªü–ª+ü�ª6dϪ – –èv âè ܪ
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¼ $ݪØ#Dãªü›¯) üج: 7 Get value for the `SO_PRIORITY` option on this socket.Á —ú üŸA > For more information about this option, see [`set_priority`].Á åú üí* ' [`set_priority`]: Socket::set_priorityÁ »£|¯®úò œÌ®úŒ ¬á®úÊ ¬ø®üË®Cü¥®oüœ®zD¢¯ — —èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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˜› «¯
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½ $¬¯4¿° ½ “� ¾ «� ¾ È� ¾ ¾ ½ ¾ ÓÚ ü¬³; üè°: 7 Set value for the `SO_PRIORITY` option on this socket.Á §±ú ü¯±\ Y Packets with a higher priority may be processed earlier depending on the selected deviceÁ Ä�² queueing discipline.Á »£|À²úò œÝ²úŒ ¬ò²úÊ ¬‰³üܲCü¶²oü²zd³³ ˜ ˜èv âè À³
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¿ $Á³�$Ddzü•·3 ü»µ8 5 Get value for the `SO_RCVBUF` option on this socket.Á øµú ü€¶I F For more information about this option, see [`set_recv_buffer_size`].Á ζú üÖ¶: 7 [`set_recv_buffer_size`]: Socket::set_recv_buffer_sizeÁ„œ· ™ ™èv Óñ ·
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À $®·4Á¸ À “� Á «� Á È� Á Á À Á ÓÚ ü—ºA üì¸8 5 Set value for the `SO_RCVBUF` option on this socket.Á ©¹ú ü±¹H E Changes the size of the operating system's receive buffer associatedÁ ¤þ¹ with the socket.Á¤žº š šèv âè ³º
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 $´º™$ººüÖ½: ü¦¼: 7 Get value for the `SO_RCVTIMEO` option on this socket.Á å¼ú üí¼H E If the returned timeout is `None`, then `read` and `recv` calls willÁ ¼º½ block indefinitely.Ádݽ › ›èv ²è ê½
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à $ë½üŽÀL üé¾: 7 Set value for the `SO_RCVTIMEO` option on this socket.Á ¨¿ú ü°¿C @ If `timeout` is `None`, then `read` and `recv` calls will blockÁ Œø¿ indefinitely.Á„•À œ œèv ™Àâè ¦À
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Ä $§ÀÇÄDÀü˜Ã/ üÁÁ> ; Get the value of the `SO_REUSEADDR` option on this socket.Á „Âú üŒÂF C For more information about this option, see [`set_reuse_address`].Á ×Âú üßÂ4 1 [`set_reuse_address`]: Socket::set_reuse_addressÁlŸÃ � �èv Š· Ã
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Å $®Ã<ÃÄ Å “� Æ «� Æ È� Æ Æ Å ÆÐÚ üŠÇ> üìÄ; 8 Set value for the `SO_REUSEADDR` option on this socket.Á ¬Åú ü´ÅH E This indicates that further calls to `bind` may allow reuse of localÁ ü�ÆK H addresses. For IPv4 sockets this means that a socket may bind even whenÁ üÑÆ4 1 there's a socket already listening on this port.ÁŒ‘Ç ž žèv âè £Ç
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Ç $¤ÇA,ªÇü÷Ê3 üšÉ; 8 Get the value of the `SO_SNDBUF` option on this socket.Á ÚÉú üâÉI F For more information about this option, see [`set_send_buffer_size`].Á °Êú ü¸Ê: 7 [`set_send_buffer_size`]: Socket::set_send_buffer_sizeÁ„þÊ Ÿ Ÿèv Óñ �Ë
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È $�Ë4£Ì È “� É «� É È� É É È É›‰ üöÍA üÎÌ8 5 Set value for the `SO_SNDBUF` option on this socket.Á ‹Íú ü“ÍJ G Changes the size of the operating system's send buffer associated withÁ |âÍ the socket.Á¤ýÍ èv âè ’Î
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Ê $“Ι$™Îü¶Ñ; ü…Ð: 7 Get value for the `SO_SNDTIMEO` option on this socket.Á ÄÐú üÌÐI F If the returned timeout is `None`, then `write` and `send` cal
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¤¥‡ú—
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¬Ã‡úûèœâ‡úÓ
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¬ÿ‡ú¥Œžˆú£¤¹ˆúµ”׈ú«
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¤óˆú€”‘‰úšé¬‰üĆ„üÀ†‰ü·†”œ×‰ ® ¯ èv ®°¶ ¯ûu âè Ï ô‰ Ï
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Ø $õ‰ÄíLƒŠÚíL¡Šüé‘Ž üäŒMä¿ ¶�ú ü¾�H E For more information about this option, see [`join_multicast_v4_n`].Á ‹Žú ü“Ž8 5 [`join_multicast_v4_n`]: Socket::join_multicast_v4_nÁ
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úÜŒçŽúú œ‚�úÞ ¬Ÿ�ú„
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¤¾�ú—
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¬Ü�úûèœû�úÓ
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¬˜�ú¥Œ·�ú£¤Ò�úµ”ð�ú«
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¤Œ‘ú€”ª‘úšé¬Æ‘üÝŽ„üÙŽ‰üÐŽ”¤ð‘ ° ± ² °èv ±°¶ ²ûu âè Ï Ž’ Ï
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Ù $�’ÄíL�’ÚíL»’ü‚œ� üÿ”X U Join a multicast SSM channel using `IP_ADD_SOURCE_MEMBERSHIP` option on this socket.Á Ü•ú üä•L I This function specifies a new multicast channel for this socket to join.Á üµ–] Z The group must be a valid SSM group address, the source must be the address of the senderÁ ü——_ \ and `interface` is the address of the local interface with which the system should join theÁ üû—J¿½ üʘ5”¾ ú ¼›™úú œ¼™ú›”Ù™ú„
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¤õ™ú—
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¬“šúû蜲šúÊ ¬Ïšú¥Œîšú£¤‰›úµ”§›ú€”Ûúšé¬ß›ü‘™éü�™îü„™ù\‰œ ³ ´ µ ¶ ³èv ´°¶ µ°¶ ¶°¶ âè Ï žœ Ï
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Ú $Ÿœ sourceÁ4œ groupÁ,ÈœÚíLâœü�¥Ž ü¶ T Q Leave a multicast group using `IP_DROP_SOURCE_MEMBERSHIP` option on this socket.Á �¡ú ü—¡@ = For more information about this option, see [`join_ssm_v4`].Á Ü¡ú üä¡( % [`join_ssm_v4`]: Socket::join_ssm_v4Á ú ¼¨¢úú œÉ¢ú›”æ¢ú„
|
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¤‚£ú—
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¬ £úû蜿£úÊ ¬Ü£ú¥Œû£ú£¤–¤úµ”´¤ú€”Фúšé¬ì¤üž¢éüš¢îü‘¢ùd–¥ · ¸ ¹ º ·èv ¸°¶ ¹°¶ º°¶ âè Ï ¬¥ Ï
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Û $¥ÚÑ4»¥éÑ,Ö¥ÚíLð¥üà«2 üÅ©C @ Get the value of the `IP_MULTICAST_ALL` option for this socket.Á �ªú ü•ªI F For more information about this option, see [`set_multicast_all_v4`].Á ãªú üëª: 7 [`set_multicast_all_v4`]: Socket::set_multicast_all_v4Á »£|´«úò œÅ«ü³«&üª«1„ç« » »èv Š· Ï ø« Ï
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Ü $ù«,“ Ü “� Ý «� Ý È� Ý Ý Ü ÝÐÚ ü›²? ü¸C @ Set the value of the `IP_MULTICAST_ALL` option for this socket.Á €®ú üˆ®< 9 This option can be used to modify the delivery policy ofÁ üÉ®2 / multicast messages. The argument is a booleanÁ ü€¯@ = (defaults to true). If set to true, the socket will receiveÁ üů6 3 messages from all the groups that have been joinedÁ ü€°= : globally on the whole system. Otherwise, it will deliverÁ ü°; 8 messages only from the groups that have been explicitlyÁ ü‚±> ; joined (for example via the `IP_ADD_MEMBERSHIP` option) onÁ Üű this particular socket.Á »£|ï±úò œ€²üî±&üå±1¤¢² ¼ ¼èv âè Ï ·² Ï
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Þ $¸²£ ¾²ü´¶5 ü¯´B ? Get the value of the `IP_MULTICAST_IF` option for this socket.Á ö´ú üþ´H E For more information about this option, see [`set_multicast_if_v4`].Á ˵ú üÓµ8 5 [`set_multicast_if_v4`]: Socket::set_multicast_if_v4Á ú€”š¶¤™¶ü�¶ |»¶ ½ ½èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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°¶˜› Ï Ë¶ Ï
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ß $̶ü¯¹I üö·B ? Set the value of the `IP_MULTICAST_IF` option for this socket.Á ½¸ú üŸA > Specifies the interface to use for routing multicast packets.Á ú€”•¹¤”¹ü‹¹ œ¶¹ ¾ ¿ ¾èv ¿°¶ âè Ï Ê¹ Ï
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à $˹ÚíLѹüå½3 üü»D A Get the value of the `IP_MULTICAST_LOOP` option for this socket.Á żú üͼJ G For more information about this option, see [`set_multicast_loop_v4`].Á œ½ú ü¤½< 9 [`set_multicast_loop_v4`]: Socket::set_multicast_loop_v4ÁŒì½ À Àèv Š· Ï þ½ Ï
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á $ÿ½L™¿ á “� â «� â È� â â á âÐÚ ü¦ÁD üÆ¿D A Set the value of the `IP_MULTICAST_LOOP` option for this socket.Á �Àú ü—ÀJ G If enabled, multicast packets will be looped back to the local socket.Á üæÀ; 8 Note that this may not have any affect on IPv6 sockets.Á¬Á Á Áèv âè Ï ÃÁ Ï
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ã $ÄÁ loop_v4Á<ÊÁü¨Å1 üÃÃC @ Get the value of the `IP_MULTICAST_TTL` option for this socket.Á ‹Äú ü“ÄI F For more information about this option, see [`set_multicast_ttl_v4`].Á áÄú üéÄ: 7 [`set_multicast_ttl_v4`]: Socket::set_multicast_ttl_v4Á„¯Å  Âèv �� Ï ÀÅ Ï
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ä $ÁÅ,ÙÆ ä “� å «� å È� å å ä åÝ‚ üõÉ> ü€ÇC @ Set the value of the `IP_MULTICAST_TTL` option for this socket.Á ÈÇú üÐÇF C Indicates the time-to-live value of outgoing multicast packets forÁ ü›ÈJ G this socket. The default value is 1 which means that multicast packetsÁ üêÈ> ; don't leave the local network unless explicitly requested.Á Éú üµÉ;§ë¤üÉ Ã Ãèv âè Ï ‘Ê Ï
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æ $’Ê ttlÁ ˜ÊüÄÍ' ü‡Ì9 6 Get the value of the `IP_TTL` option for this socket.Á ÅÌú üÍÌ? < For more informatio
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¤µàú—
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¬ÓàúûèœòàúÓ
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¬�áúú œ®áú¥ŒËáú£¤æáúµ”„âú«
|
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¤ âú€”¾âúšé¬Úâü•ßàü‘ßåüˆßð|„ã È Èèv âè Ï ”ã Ï
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í $•ã recv_tosÁD›ãüÔê- ü�å= : Get the value of the `IP_RECVTOS` option for this socket.Á Ñåú üÙåD A For more information about this option, see [`set_recv_tos_v4`].Á ¢æú üªæ0 - [`set_recv_tos_v4`]: Socket::set_recv_tos_v4Á úÜŒöæú ¼‘çúÊ ¬²çú›”ÑçúÞ ¬íçú„
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¤Œèú—
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¬ªèúûèœÉèúÓ
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¬æèúú œ…éú¥Œ¢éú£¤½éúµ”Ûéú«
|
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¤÷éú€”•êúšé¬±êüìæàüèæåüßæð\Ûê É Éèv Š· Ï çê Ï
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î $èêTûë î “� ï «� ï È� ï ï î ïÐÚ üÁî5 ü©ìB ? Get the value for the `SO_ORIGINAL_DST` option on this socket.Á »£|ƒíúŒ ¬íúÊ ¬Ðíúò œóíú⬔îüŸí•üùìÁüðìÌ|Èî Ê Êèv è Ï Øî Ï
|
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ð $Ùî\îñ ü®ïP M Socket options for IPv6 sockets, get/set using `IPPROTO_IPV6` or `SOL_IPV6`.Á ÿïú üƒðEêÓ üÉð@ = * Linux: <https://man7.org/linux/man-pages/man7/ipv6.7.html>Á üŠñc ` * Windows: <https://docs.microsoft.com/en-us/windows/win32/winsock/ipproto-ipv6-socket-options>Á èvòôõ÷øùúüýÿ€‚ƒ…†ˆ‰‹ŒŽ�‘’ üÂö4 ü€ò<Ø£ Áòú üÉòK H For more information about this option, see [`set_header_included_v6`].Á ™óú ü¡ó> ; [`set_header_included_v6`]: Socket::set_header_included_v6Á »£|÷óúû蜥ôú£¤Æôú—
|
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¬èôú¶ ¬‹õú ¼®õú„
|
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¤Óõú€”õõúšé¬•öü—ô�ü“ô¢üíóÎüäóÙ”Éö Ë Ëèv Š· ñ Üö ñ
|
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ò $ÝöTò÷ ò “� ó «� ó È� ó ó ò óÐÚ ü¸ÿF ü¡ø<ô§ âøú üêøIȨ ü¸ùKœ© üˆúJ G When this flag is enabled, the values set by `IP_OPTIONS` are ignored.Á ×úú Üßúýª üÿú>£« »£|íüúû蜛ýú£¤¼ýú—
|
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¬Þýú¶ ¬�þú ¼¤þú„
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¤Éþú€”ëþúšé¬‹ÿü�ý�ü‰ý¢üãüÎüÚüÙ ´¿ÿ Ì Ìèv âè ñ Öÿ ñ
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ô $×ÿøDÝÿüŒ…3 üÓ‚B ? Get the value of the `IPV6_TRANSPARENT` option on this socket.Á šƒú ü¢ƒJ G For more information about this option, see [`set_ip_transparent_v6`].Á ñƒú üùƒ< 9 [`set_ip_transparent_v6`]: Socket::set_ip_transparent_v6Á »£|Ä„úò œÙ„úŒ ¬î„üØ„,üÄBüº„MŒ“… Í Íèv Š· ñ ¥… ñ
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õ $¦…l† õ “� ö «� ö È� ö ö õ öÐÚ ü¤ŽH ü÷†B ? Set the value of the `IPV6_TRANSPARENT` option on this socket.Á ¾‡ú üƇ<ç² ü‡ˆ:®³ üƈ<ó³ ü‡‰=º´ üɉ<‚µ üŠŠ=ɵ üÌŠ7‘¶ üˆ‹= : hosting the application that employs the IPV6_TRANSPARENTÁ üÊ‹9™· üˆŒ:Ý· ÇŒú üÏŒ;¯¸ ü��>õ¸ »£|Ü�úò œñ�úŒ ¬†Žüð�,üÛ�BüÒ�M¬«Ž Î Îèv âè ñ ÁŽ ñ
|
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÷ $ÂŽž\ÈŽüô“W üË�M J Join a multicast group using `IPV6_ADD_MEMBERSHIP` option on this socket.Á �‘ú ü¥‘3 0 Some OSs use `IPV6_JOIN_GROUP` for this option.Á Ý‘ú üå‘Jû ü´’I˜¼ ü‚“J G index of the interface to join/leave (or 0 to indicate any interface).Á ú¥ŒÛ“œÚ“ôÑ“Œû“ Ï Ð Ïèv иå âè ñ �” ñ
|
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ø $Ž”ÄíL””ÚíLª”ü¿šX üó—O L Leave a multicast group using `IPV6_DROP_MEMBERSHIP` option on this socket.Á ǘú üϘ4 1 Some OSs use `IPV6_LEAVE_GROUP` for this option.Á ˆ™ú ü�™F C For more information about this option, see [`join_multicast_v6`].Á Û™ú üã™4 1 [`join_multicast_v6`]: Socket::join_multicast_v6Á ú¥Œ¦šœ¥šôœš”Æš Ñ Ò Ñèv Ò¸å âè ñ Ùš ñ
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ù $ÚšÄíLàšÚíLöšüÎ 2 üÀžE B Get the value of the `IPV6_MULTICAST_HOPS` option for this socketÁ ŠŸú ü’ŸJ G For more information about this option, see [`set_multicast_hops_v6`].Á áŸú üéŸ< 9 [`set_multicast_hops_v6`]: Socket::set_multicast_hops_v6Á ú€”´ ¤³ üª ŒÕ Ó Óèv �� ñ ç ñ
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ú $è 4…¢ ú “� û «� û È� û û ú ûÝ‚ üƒ¥@ ü®¢E B Set the value of the `IPV6_MULTICAST_HOPS` option for this socketÁ ø¢ú ü€£H E Indicates the number of "routers" multicast packets will transit forÁ üÍ£J¸ñ üœ¤>�ò ú€”餤è¤üߤ ¬Š¥ Ô Ôèv âè ñ ¥ ñ
|
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ü $¡¥ hopsÁ$§¥üº©2 ü�§E B Get the value of the `IPV6_MULTICAST_ALL` option for this socket.Á ç§ú üï§I F For more information about this option, see [`set_multicast_all_v6`].Á ½¨ú üŨ: 7 [`set_multicast_all_v6`]: Socket::set_multicast_all_v6Á »£|Ž©úò œŸ©ü�©&ü„©1„Á© Õ Õèv Š· ñ Ò© ñ
|
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ý $Ó©,ñª ý “� þ «� þ È� þ þ ý þÐÚ üý¯? ü–«E B Set the value of the `IPV6_MULTICAST_ALL` option for this socket.Á à«ú üè«<ªÛ ü©¬2ñÛ üà¬@®Ü ü¥6ùÜ üà=ºÝ ü¢®;‚Þ üâ®@ = joined (for example via the `IPV6_ADD_MEMBERSHIP` option) onÁ ܧ¯�ß »£|ѯúò œâ¯üЯ&üǯ1¤„° Ö Öèv âè ñ ™° ñ
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ÿ $š°£ °üœ´0 ü•²D A Get the value of the `IPV6_MULTICAST_IF` option for this socket.Á Þ²ú üæ²H E For more information about this option, see [`set_multicast_if_v6`].Á ³³ú ü»³8 5 [`set_multicast_if_v6`]: Socket::set_multicast_if_v6Á ú€”‚´¤�´üø³ |£´
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¤ÎÓú—
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¬ìÓúû蜋ÔúÓ
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¬¨Ôúú œÇÔú›”äÔú£¤€Õúµ”žÕú€”ºÕúšé¬ÖÕüåÒŒüáÒ‘üØÒœt€Ö ß ßèv Š· ñ �Ö ñ
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Œ $�Ölª× Œ “� � «� � È� � � Œ �ÐÚ üˆÝE üÞ×B ? Set the value of the `IPV6_RECVTCLASS` option for this socket.Á ¥Øú üØK H If enabled, the `IPV6_TCLASS` ancillary message is passed with incomingÁ üýØJ G packets. It contains a byte which specifies the traffic class field ofÁ ´ÌÙ the packet header.Á
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ú ¼þÙúÊ ¬ŸÚúÞ ¬¾Úú„
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¬·Ûúú œÖÛú›”óÛú£¤�Üúµ”Üú€”ÉÜúšé¬åÜüôÙŒüðÙ‘üçÙœ”�Ý à àèv âè ñ ¢Ý ñ
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Ž $£Ý recv_tclassÁ\©ÝüÌå2 üªßD A Get the value of the `IPV6_RECVHOPLIMIT` option for this socket.Á óßú üûßI F For more information about this option, see [`set_recv_hoplimit_v6`].Á Éàú üÑà: 7 [`set_recv_hoplimit_v6`]: Socket::set_recv_hoplimit_v6Á »£|£áâ <Ñáú ¼æáúÊ ¬‹âúÞ ¬®âú„
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¤Ñâú—
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¬·ãúú œÚãú›”ûãú£¤›äúµ”½äú«
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� $åå|�ç � “� � «� � È� � � � �ÐÚ üèíI ü¸çD A Set the value of the `IPV6_RECVHOPLIMIT` option for this socket.Á �èú ü‰èE B The received hop limit is returned as ancillary data by recvmsg()Á üÓèD A only if the application has enabled the IPV6_RECVHOPLIMIT socketÁ \œé option:Á »£|¿éâ <íéú ¼‚êúÊ ¬§êúÞ ¬Êêú„
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recv_hoplimitÁl‹îüÝñ5 ü’ðG D Get the value for the `IP6T_SO_ORIGINAL_DST` option on this socket.Á »£|ñðúŒ ¬Žñúò œ¥ñú⬺ñü�ñCüçðoüÞðz|äñ ã ãèv è ñ ôñ ñ
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’ $õñ\øô üÊò@ = Socket options for TCP sockets, get/set using `IPPROTO_TCP`.Á ‹óú ü�óEêÓ üÕó? < * Linux: <https://man7.org/linux/man-pages/man7/tcp.7.html>Á ü•ôb _ * Windows: <https://docs.microsoft.com/en-us/windows/win32/winsock/ipproto-tcp-socket-options>Á èv”•—™šœ ü¦ø8 üŠõ> ; Get the value of the `TCP_KEEPIDLE` option on this socket.Á Íõú üÕõ^ [ This returns the value of `TCP_KEEPALIVE` on macOS and iOS and `TCP_KEEPIDLE` on all otherÁ ü¸ö% " supported Unix operating systems.Á »£|õöâ <£÷úú œ¸÷ú—
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¬Ù÷úµ”ü÷ü•÷ƒü‘÷ˆüëö´üâö¿”ø ä äèv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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轘› “ Àø “
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” $Áøü´ÿ< ü›ù? < Get the value of the `TCP_KEEPINTVL` option on this socket.Á ßùú üçùF C For more information about this option, see [`set_tcp_keepalive`].Á ²úú üºú4 1 [`set_tcp_keepalive`]: Socket::set_tcp_keepaliveÁ »£|†ûúŒ ¬°ûú ¼Óûú¶ ¬øûúÊ ¬›üúÞ ¬¾üúå Œáüúô ´€ýúò œ¤ýúˆ œÅýú„
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¤æýú™ ”ˆþú© ¬¨þú«
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• $Óÿ4î€ • “� – «� – È� – – • – ÓÚè½ üæ‡6 ü¬�= : Get the value of the `TCP_KEEPCNT` option on this socket.Á î�ú üö�F¬ë Á‚ú üÉ‚4Šì »£|•ƒúŒ ¬¿ƒú ¼âƒú¶ ¬‡„úÊ ¬ª„úÞ ¬Í„úå Œð„úô ´�…úò œ³…úˆ œÔ…ú„
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¤Ú†úâ¬ü† ú€”£‡î‘Œ»‡œº‡ü¢‡,ü±ƒ¨ü‹ƒÔü‚ƒß¬í‡ æ æèv �� “ ƒˆ “
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— $„ˆL˜‰ — “� ˜ «� ˜ È� ˜ ˜ — ˜Ý‚ üò•H üljD A Set parameters configuring TCP keepalive probes for this socket.Á �Šú ü˜ŠD A The supported parameters depend on the operating system, and areÁ üáŠK H configured using the [`TcpKeepalive`] struct. At a minimum, all systemsÁ ü±‹I F support configuring the [keepalive time]: the time after which the OSÁ üÿ‹@ = will start sending keepalive messages on an idle connection.Á ÄŒú üÌŒ- * [keepalive time]: TcpKeepalive::with_timeÁ þŒú \†�²º –�ú üž�J G * This will enable `SO_KEEPALIVE` on this socket, if it is not alreadyÁ tí� enabled.Á ü€ŽH E * On some platforms, such as Windows, any keepalive parameters *not*Á üÍŽL I configured by the `TcpKeepalive` struct passed to this function may beÁ üž�L I overwritten with their default values. Therefore, this function shouldÁ üï�J G either only be called once per socket, or the same parameters shouldÁ ü¾�( % be passed every time it is called.Á ë�ú tó�€Æ †‘ú <Ž‘¼Ë äš‘ use std::time::Duration;Á »‘ú üÑ6 3 use socket2::{Socket, TcpKeepalive, Domain, Type};Á þ‘ú ü†’(ºÆ ü³’@¯û üø’' $ let keepalive = TcpKeepalive::new()Á ü¤“+ ( .with_time(Duration::from_secs(4));Á üÔ“K H // Depending on the target operating system, we may also be able toÁ ü¤”F C // configure the keepalive probe interval and/or the number ofÁ üï” // retries here as well.Á ”•ú üœ•* ' socket.set_tcp_keepalive(&keepalive)?;Á tË•¥Ë <Þ•¼Ë ê•úŒù• ç è çèv 趄 âè “ ‹– “
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™ $Œ– paramsÁ4’–üñ˜- ü¡—= : Get the value of the `TCP_NODELAY` option on this socket.Á ã—ú üë—D A For more information about this option, see [`set_tcp_nodelay`].Á ´˜ú ü¼˜0 - [`set_tcp_nodelay`]: Socket::set_tcp_nodelayÁ\ø˜ é éèv Š· “ „™ “
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š $…™L™š š “� › «� › È� › › š ›ÐÚ üÝ�> üÆš= : Set the value of the `TCP_NODELAY` option on this socket.Á ˆ›ú ü�›E B If set, this option disables the Nagle algorithm. This means thatÁ üÚ›I F segments are always sent as soon as possible, even if there is only aÁ ü¨œI F small amount of data. When not set, data is buffered until there is aÁ üöœK H sufficient amount to send out, thereby avoiding the frequent sending ofÁ ”Æ� small packets.Á|ä� ê êèv âè “ ô� “
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° $Óµ± Ùµ\ƒ5 <‡5 »× ¤, ± ²�È\ • ± ³�È – ± ³ØÉd: ÃÛ ± ´r,V é! ± µ AsFdÁ$² �, ± · AsRawFdÁ<¸ «+ ± ¸îLÁ + ± ¹Á4« y ± º ËDËÄ»´0•|L†\¤tv\^JLl¤=´Ö ü´P M A reference to a [`Socket`] that can be used to configure socket types otherÁ ü…" than the `Socket` type itself.Á ¨ú ü¬N K This allows for example a [`TcpStream`], found in the standard library, toÁ üûO L be configured using all the additional methods found in the [`Socket`] API.Á Ëú üÏJ G `SockRef` can be created from any socket type that implements [`AsFd`]Á üšG D (Unix) or [`AsSocket`] (Windows) using the [`From`] implementation.Á âú üæ&ǹ üÖH E [`AsFd`]: https://doc.rust-lang.org/stable/std/os/fd/trait.AsFd.htmlÁ üŸX U [`AsSocket`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsSocket.htmlÁ øú tü€Æ ‹ú ü�I F Below is an example of converting a [`TcpStream`] into a [`SockRef`].Á Ùú <Ý¼Ë üå* ' use std::net::{TcpStream, SocketAddr};Á � ú Ì” use socket2::SockRef;Á ® ú ü² ; 8 # fn main() -> Result<(), Box<dyn std::error::Error>> {Á üî 4 1 // Create `TcpStream` from the standard library.Á ü£
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8 5 let address: SocketAddr = "127.0.0.1:1234".parse()?;Á üÜ
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? < # let b1 = std::sync::Arc::new(std::sync::Barrier::new(2));Á Ôœ # let b2 = b1.clone();Á ü· / , # let handle = std::thread::spawn(move || {Á üç F C # let listener = std::net::TcpListener::bind(address).unwrap();Á œ® # b2.wait();Á ü 6 3 # let (stream, _) = listener.accept().unwrap();Á üù B ? # std::thread::sleep(std::time::Duration::from_millis(10));Á ´¼
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# drop(stream);Á LÓ
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# });Á „Ý
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. + let stream = TcpStream::connect(address)?;Á �ú ü¡. + // Create a `SockRef`erence to the stream.Á üÐ, ) let socket_ref = SockRef::from(&stream);Á üý3 0 // Use `Socket::set_tcp_nodelay` on the stream.Á ü±& # socket_ref.set_tcp_nodelay(true)?;Á ¬Ø drop(socket_ref);Á îú üò( % assert_eq!(stream.nodelay()?, true);Á ì› # handle.join().unwrap();Á d¹‡‚ <Æòò <Î¼Ë <á ç3 ¼ ¼ Ày (™ùæãå9 ½¾éä«4«± » » ÌÊüê"Lê± » » • • – �È Fu\»Ÿ ç3èv ô‘ ç3 À À ÀyÁ ê! ë!  –\¶4» ¿ ¿ èvüÑ ,Ô „ „ Ày „ Ày ê! ¿ Ú ¿
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 ç3$Ûü£: ü’M J On Windows, a corresponding `From<&impl AsSocket>` implementation exists.Á ú $ê ú€”ôî‘ŒŒœ‹üó,üé7üàB ç3 Ä ¤ Å Ä Å Íì�z ¬ �,�z $ØÀyÆ ë Æ ¨') ô� üä4 1 The caller must ensure `S` is actually a socket.Á$ ŠzÀy à Ã
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ë1 É ì ssize_tÁ<ø É íþãDŒ õ É ïØá<– è É ðï|Ì ( É ñ É´^4é ì É ó´^ í É óÂ_Dñ „ É ôÂ_ … É ôýZDû ³ É õ ÈÛ`d… œ É öó$“ ø É ÷ó ù É ÷ÄW4÷ ‡ É ù±YLÿ œ É úŽ`LŠ � É ûŽ` ‘ É ûç»,° ¿¬ üªâ<‚ � ý¿ã<¡ � ÿÞãDª — € SOCK_DCCPÁL� œ@ � SOCK_RAWÁDÜ í ‚ SOCK_SEQPACKETÁtí ›@ ƒ
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IPPROTO_MPTCPÁlÊ ¶ ˆ IPPROTO_SCTPÁd¼ ° ‰ IPPROTO_UDPLITEÁ|Œ ² Š IPPROTO_ICMPÁdÓ Ë Œ IPPROTO_ICMPV6Átá Ì � IPPROTO_TCPÁ\ˆ Í � IPPROTO_UDPÁ\• Î �Ý\Ê Å ’æD× � “ââ\á ˜ ”„ãdî ¥ •¬“„ü € –ÍLŽ Ü — MSG_TRUNCÁLÂ Þ ˜ SO_OOBINLINEÁdœ ÄO ™ Ipv6MreqÁD€ ˆ š IPV6_HDRINCLÁdÑ Ú › IPV6_RECVHOPLIMITÁŒÏ$ Ý œ IPV6_RECVTCLASSÁ|Ü' é �
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IPPROTO_IPÁTç3 Ï § IPPROTO_IPV6Ádó3 Ð ¨ IPV6_MULTICAST_LOOPÁœ�4 Î © IPV6_UNICAST_HOPSÁŒ–4 Ë ª IPV6_V6ONLYÁ\4 Õ « IP_ADD_MEMBERSHIPÁŒº4 ‹ ¬ IP_DROP_MEMBERSHIPÁ”Í4 Œ IP_MULTICAST_LOOPÁŒá4 Š ® IP_MULTICAST_TTLÁ„ô4 ‰ ¯ IP_TTLÁ4Š5 ð ° MSG_PEEKÁD’5 Û ±
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SOL_SOCKETÁTœ5 »O ² SO_BROADCASTÁd¨5 ÀO ³ SO_ERRORÁD¶5 ¾O ´ SO_KEEPALIVEÁdÀ5 ÃO µ SO_RCVBUFÁLÎ5 ÂO ¶ SO_RCVTIMEOÁ\Ù5 €Q · SO_REUSEADDRÁdê5 ¼O ¸ SO_SNDBUFÁLø5 ÁO ¹ SO_SNDTIMEOÁ\ƒ6 �Q º SO_TYPEÁ<�6 ½O » TCP_NODELAYÁ\™6 ñ ¼ IpMreqSourceÁdœ9 ƒ ¾ IP_ADD_SOURCE_MEMBERSHIPÁĪ9 � ¿ IP_DROP_SOURCE_MEMBERSHIPÁÌÄ9 � ÀÁ œö< Ï Â¤‹= Ð Ã IPV6_MULTICAST_HOPSÁœÇA Í Å IPV6_MULTICAST_IFÁŒÜA Ì Æ IP_MULTICAST_IFÁ|ïA ˆ Ç MSG_OOBÁ<€B Ú È TCP_KEEPCNTÁ\•F ö Ê
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TCP_KEEPINTVLÁl¢F õ ËãtÆK ô É Í msghdrÁ4Œ¯ C ïlå´ |˜¡ „þ’ Ä”ƒ D²_ ·Q T A D ”Þ4 Dö% ( ¤Úþ ´°
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Ó Ê}™ít©î Ó “� Ô «� Ô È� Ô Ô Ó Ôì± ù± \˜ð Ó “� Õ «� Õ È� Õ Õ Ó Õõ³ ”Àð ”ð¾Þ èv×ØÚÛÜÞßáâäæçéêìíïðòóõ÷øùúûýþ€�ƒ„†‡‰‹���‘’”•™›œ�žŸ ¡¢£¤¥¦§¨«¬ üáöL üÙð8͉ –ñú üžñD A This function directly corresponds to the `accept4(2)` function.Á çñú üïñI F This function will block the calling thread until a new connection isÁ ü½òL I established. When established, the corresponding `Socket` and the remoteÁ üŽó$ ! peer's address will be returned.Á øÃÅ%hü·ó% Ë
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Additional documentation can be found in manual of the OS:
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|||
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|||
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* DragonFly BSD: <https://man.dragonflybsd.org/?command=accept4§ion=2>
|
|||
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* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=accept4&sektion=2>
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* Linux: <https://man7.org/linux/man-pages/man2/accept4.2.html>
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* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept4.2.html> (archived, actually for iOS)
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* NetBSD: <https://man.netbsd.org/accept4.2>
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|||
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* OpenBSD: <https://man.openbsd.org/accept4.2>
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* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept4.2.html> (archived)
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* illumos: <https://illumos.org/man/3SOCKET/accept4>
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Ø $œú¦Z,¢útËû Ø “� Ù «� Ù È� Ù Ù Ø Ù ’šøÏ ¤Éû± ü„�@ üÿü! Sets `CLOEXEC` on the socket.Á ¥ýú \ý²º ½ýú üÅý9 6 On supported platforms you can use [`Type::cloexec`].Á »£|Ô€úµ”逤è€üÓ€*üÊ€5 \‹�   èv âè Ö —� Ö
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Û $»‚œú lÁ‚ü�—( üñ”= : Gets the value of the `TCP_MAXSEG` option on this socket.Á ³•ú ü»•@ = For more information about this option, see [`set_tcp_mss`].Á €–ú üˆ–/ , [`set_tcp_mss`]: crate::Socket::set_tcp_mssÁ »£|Æ–úûèœß–ú€”ô–üÞ–)üÚ–.üÅ–Dü¼–O<—— Ä Ä èv �� Ö Ÿ— Ö
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Ü $ —,µ˜ Ü “� Ý «� Ý È� Ý Ý Ü ÝÝ‚ üíš5 üܘ= : Sets the value of the `TCP_MAXSEG` option on this socket.Á ž™ú ü¦™L I The `TCP_MAXSEG` option denotes the TCP Maximum Segment Size and is onlyÁ ì÷™ available on TCP sockets.Á »£|£šúû蜼šú€”Ñšü»š)ü·š.ü¢šDü™šO\ôš Å Å èv âè Ö €› Ö
|
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Þ $�› mssÁ ‡›ü„ - üóœK H Returns `true` if `listen(2)` was called on this socket by checking theÁ üÃ�* ' `SO_ACCEPTCONN` option on this socket.Á »£|…žúÜŒ¯žúŒ ¬Îžú¶ ¬ñžúÊ ¬”Ÿúò œ·Ÿú«
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¤ØŸü¡žÖüû�‚üò��\‹ Æ Æ èv Š· Ö — Ö
|
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ß $˜ °¡ ß “� à «� à È� à à ß àÐÚ ü°¤* üÑ¡L I Returns the [`Domain`] of this socket by checking the `SO_DOMAIN` optionÁ œ¢¢ on this socket.Á »£|Í¢úŒ ¬÷¢úÊ ¬â£úò œ…¤ü颺üâæüº¢ñ4·¤ Ç Ç èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
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äz˜› Ö ¾¤ Ö
|
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á $¿¤ü‹¨6 üÍ¥I F Returns the [`Protocol`] of this socket by checking the `SO_PROTOCOL`Á Ô›¦ option on this socket.Á »£|ͦúŒ ¬÷¦ú¶ ¬š§úÊ ¬½§úò œà§ü馕üæÁüº¦ÌD’¨ È È èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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±Ï˜› Ö ›¨ Ö
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â $œ¨ © â “� ã «� ã È� ã ã â ã ÓÚ±Ï ü¥% ü®ª; 8 Gets the value for the `SO_MARK` option on this socket.Á îªú üöªF C This value gets the socket mark field for each packet sent throughÁ „Á«ê« Ö«ú üÞ«C @ On Linux this function requires the `CAP_NET_ADMIN` capability.Á »£|¹¬úŒ ¬Ö¬úÊ ¬í¬úò œ„üÕ¬Cü¯¬oü¦¬z$¬ É É èv �� Ö ± Ö
|
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ä $²4î ä “� å «� å È� å å ä åÝ‚ ü˲3 üì®; 8 Sets the value for the `SO_MARK` option on this socket.Á ¬¯ú ü´¯F C This value sets the socket mark field for each packet sent throughÁ üÿ¯E B this socket. Changing the mark can be used for mark-based routingÁ üÉ°. + without netfilter or for packet filtering.Á ü°ú ü„±Cï�
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»£|ß±úŒ ¬ü±úÊ ¬“²úò œª²üû±CüÕ±oü̱zDÒ² Ê Ê èv âè Ö Û² Ö
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æ $ܲÃG$â²üŸ·* üÕ´: 7 Get the value of the `TCP_CORK` option on this socket.Á ”µú üœµA > For more information about this option, see [`set_tcp_cork`].Á âµú üêµ1 . [`set_tcp_cork`]: crate::Socket::set_tcp_corkÁ »£|³¶úŒ ¬Ð¶úÊ ¬ç¶úò œþ¶ü϶Cü©¶oü ¶zD¦· Ë Ë èv Š· Ö ¯· Ö
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ç $°·4ø ç “� è «� è È� è è ç èÐÚ üà¼8 üê¸: 7 Set the value of the `TCP_CORK` option on this socket.Á ©¹ú ü±¹H E If set, don't send out partial frames. All queued partial frames areÁ üþ¹P M sent when the option is cleared again. There is a 200 millisecond ceiling onÁ üÓºR O the time for which output is corked by `TCP_CORK`. If this ceiling is reached,Á üª»2 / then queued data is automatically transmitted.Á »£|ô»úŒ ¬‘¼úÊ ¬¨¼úò œ¿¼ü�¼Cüê»oüá»zdç¼ Ì Ì èv âè Ö ô¼ Ö
|
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é $õ¼ corkÁ$û¼ü“Â. üè¾> ; Get the value of the `TCP_QUICKACK` option on this socket.Á «¿ú ü³¿E B For more information about this option, see [`set_tcp_quickack`].Á ý¿ú ü…À9 6 [`set_tcp_quickack`]: crate::Socket::set_tcp_quickackÁ »£|ÖÀúŒ ¬€ÁúÊ ¬£Áúò œÆÁú«
|
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¤çÁüòÀ”üÌÀÀüÃÀËdšÂ Í Í èv Š· Ö §Â Ö
|
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ê $¨ÂT¿Ã ê “� ë «� ë È� ë ë ê ëÐÚ ü£É@ üîÃ> ; Set the value of the `TCP_QUICKACK` option on this socket.Á ±Äú ü¹Ä\ Y If set, acks are sent immediately, rather than delayed if needed in accordance to normalÁ üšÅa ^ TCP operation. This flag is not permanent, it only enables a switch to or from quickack mode.Á ü€Æc ` Subsequent operation of the TCP protocol will once again enter/leave quickack mode depending onÁ üèÆf c internal protocol processing and factors such as delayed ack timeouts occurring and data transfer.Á »£|æÇúŒ ¬�ÈúÊ ¬³Èúò œÖÈú«
|
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¤÷Èü‚È”üÜÇÀüÓÇË„ªÉ Î Î èv âè Ö »É Ö
|
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ì $¼É quickackÁDÂÉüÅÎ: ü»ËJ G Get the value of the `TCP_THIN_LINEAR_TIMEOUTS` option on this socket.Á ŠÌú ü’ÌQ N For more information about this option, see [`set_tcp_thin_linear_timeouts`].Á èÌú üðÌQ N [`set_tcp_thin_linear_timeouts`]: crate::Socket::set_tcp_thin_linear_timeoutsÁ »£|ÙÍúŒ ¬öÍúÊ ¬�Îúò œ¤ÎüõÍCüÏÍoüÆÍzÄÌÎ Ï Ï èv Š· Ö åÎ Ö
|
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í $æÎTÄÐ í “� î «� î È� î î í îÐÚ ü·ÕL üóÐJ G Set the value of the `TCP_THIN_LINEAR_TIMEOUTS` option on this socket.Á ÂÑú üÊÑv s If set, the kernel will dynamically detect a thin-stream connection if there are less than four packets in flight.Á üÅÒc ` With less than four packets in flight the normal TCP fast retransmission will not be effective.Á üÓ† ƒ The kernel will modify the retransmission to avoid the very high latencies that thin stream suffer because of exponential backoff.Á »£|ËÔúŒ ¬èÔúÊ ¬ÿÔúò œ–ÕüçÔCüÁÔoü¸Ôzä¾Õ Ð Ð èv âè Ö ÛÕ Ö
|
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ï $ÜÕ timeoutsÁDâÕü¨Ú2 üç×C @ Get the value of the `TCP_NOTSENT_LOWAT` option on this socket.Á ¯Øú ü·ØJ G For more information about this option, see [`set_tcp_notsent_lowat`].Á †Ùú üŽÙC @ [`set_tcp_notsent_lowat`]: crate::Socket::set_tcp_notsent_lowatÁ »£|àÙúŒ ¬õÙúò œŒÚüôÙ,üßÙBüÖÙMŒ¯Ú Ñ Ñ èv �� Ö ÁÚ Ö
|
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ð $ÂÚ<ÞÛ ð “� ñ «� ñ È� ñ ñ ð ñÝ‚ üèÞA ü‰ÜC @ Set the value of the `TCP_NOTSENT_LOWAT` option on this socket.Á ÑÜú üÙÜO L If set the kernel will limit the amount of _unsent_ data in the sendbuffer.Á üÝd a This differs from `set_send_buffer_size` which limits the sum of unsent and unacknowledged data.Á »£| ÞúŒ ¬µÞúò œÌÞü´Þ,üŸÞBü–ÞM¬ïÞ Ò Ò èv âè Ö …ß Ö
|
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ò $†ß lowatÁ,Œßü•ã3 üƒáC @ Gets the value for the `SO_BINDTODEVICE` option on this socket.Á Ëáú üÓá> ; This value gets the socket binded device's interface name.Á »£|©âúŒ ¬ÆâúÊ ¬Ýâúò œôâüÅâCüŸâoü–âz4œã Ó Ó èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
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ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙªBªB ö B«¹÷< ®B‘÷< 9)
|
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-ÜnLçEçEèE GlobalÁ ¿±‡§í# ˜› Ö £ã Ö
|
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ó $¤ãt¹ä ü™íE ü•éC @ Sets the value for the `SO_BINDTODEVICE` option on this socket.Á Ýéú üåéI F If a socket is bound to an interface, only packets received from thatÁ ü³êI F particular interface are processed by the socket. Note that this onlyÁ ü�ë@ = works for some socket types, particularly `AF_INET` sockets.Á Æëú üÎëG D If `interface` is `None` or an empty string it removes the binding.Á »£|ìúŒ ¬ÊìúÊ ¬áìúò œøìüÉìCü£ìoüšìz\ í Ô Õ Ô èv ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙ Õ å² âè Ö ¬í Ö
|
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õ $íÚíL³í Ûð õ “� ö «� ö È� ö ö õ ö®¬ ü¸ûV üëôQ N Sets the value for `IP_BOUND_IF` or `SO_BINDTOIFINDEX` option on this socket.Á Áõú üÉõI‡½
|
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ü—ö5 2 particular interface are processed by the socket.Á Ñöú üÙöH E If `interface` is `None`, the binding is removed. If the `interface`Á ü¦÷- * index is not valid, an error is returned.Á Ø÷ú üà÷L I One can use [`libc::if_nametoindex`] to convert an interface alias to anÁ T±ø index.Á »£|Óø úå Œýøúô ´œùúˆ œÀùú™ ”áùú© ¬�úúÞ ¬¤úúÓ
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¬Çúúò œêúúŒ ¬‹ûüïø¼üÉøèüÀøó¼¿û Ö Ö èv ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙô ô õ ¨ ÷ ˆÐ mjç�ítoéâè Ö ×û Ö
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÷ $ØûÚíLÞûüœˆV üÍ�S P Sets the value for `IPV6_BOUND_IF` or `SO_BINDTOIFINDEX` option on this socket.Á ¥‚ú ü‚I‡½
|
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üû‚5´Ã
|
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µƒú ü½ƒH�Ä
|
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üŠ„-ÔÄ
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¼„ú üÄ„L™Å
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T•…ïÅ
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»£|·… úå Œá…úô ´€†úˆ œ¤†ú™ ”ņú© ¬å†úÞ ¬ˆ‡úÓ
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¬«‡úò œÎ‡úŒ ¬ï‡üÓ…¼ü…èü¤…󼣈 × × èv ÂÈ
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âè Ö »ˆ Ö
|
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ø $¼ˆÚíLˆüÄ“? üµŽI F Gets the value for `IP_BOUND_IF` or `SO_BINDTOIFINDEX` option on thisÁ üƒ�J G socket, i.e. the index for the interface to which the socket is bound.Á Ò�ú üÚ�I F Returns `None` if the socket is not bound to any interface, otherwiseÁ ü¨� returns an interface index.Á »£|ß� úå Œ‰‘úô ´¨‘úˆ œÌ‘ú™ ”í‘ú© ¬�’úÞ ¬°’úÓ
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¬Ó’úò œö’úŒ ¬—“üû�¼üÕ�èüÌ�ó|Ë“ Ø Ø èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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ÂÈ
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˜› Ö Û“ Ö
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ù $Ü“ü“ž? ü‚™K H Gets the value for `IPV6_BOUND_IF` or `SO_BINDTOIFINDEX` option on thisÁ üÒ™J²Í
|
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¡šú ü©šI”Î
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ü÷š èÎ
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»£|®› úå ŒØ›úô ´÷›úˆ œ›œú™ ”¼œú© ¬ÜœúÞ ¬ÿœúÓ
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¬¢�úò œÅ�úŒ ¬æ�üÊ›¼ü¤›èü››ó|šž Ù Ù èv ÐÑ
|
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Ö ªž Ö
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ú $«žüñ¥/ üÝ£A > Get the value of the `SO_INCOMING_CPU` option on this socket.Á £¤ú ü«¤E B For more information about this option, see [`set_cpu_affinity`].Á õ¤ú üý¤9 6 [`set_cpu_affinity`]: crate::Socket::set_cpu_affinityÁ »£|Å¥úò œÖ¥üÄ¥&ü»¥1dø¥ Ú Ú èv Óñ Ö …¦ Ö
|
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û $†¦,¡§ û “� ü «� ü È� ü ü û ü›‰ üø¨< üʧ> ; Set value for the `SO_INCOMING_CPU` option on this socket.Á �¨ú ü•¨( % Sets the CPU affinity of the socket.Á »£|̨úò œÝ¨ü˨&ü¨1„ÿ¨ Û Û èv âè Ö �© Ö
|
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ý $‘© cpuÁ —©ü±®, ü‰«> ; Get the value of the `SO_REUSEPORT` option on this socket.Á Ì«ú üÔ«C @ For more information about this option, see [`set_reuse_port`].Á œ¬ú ü¤¬5 2 [`set_reuse_port`]: crate::Socket::set_reuse_portÁ »£|ñ¬úÓ
|
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¬ŸúÞ ¬Âú«
|
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¤åú€”‡®ü‘’ü�—üç¬ÃüÞ¬ÎT¸® Ü Ü èv Š· Ö Ã® Ö
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þ $Ä®<Û¯ þ “� ÿ «� ÿ È� ÿ ÿ þ ÿÐÚ üõ³; ü„°; 8 Set value for the `SO_REUSEPORT` option on this socket.Á Ä°ú üÌ°H˜“ ü™±Kë“ üé±4Á” »£|µ²úÓ
|
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¬ã²úÞ ¬†³ú«
|
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¤©³ú€”˳üÕ²’üѲ—ü«²Ãü¢²Îtü³ Ý Ý èv âè Ö ‹´ Ö
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€ $Œ´A,’´üüÀ- ü¦¾= : Get the value of the `IP_FREEBIND` option on this socket.Á è¾ú üð¾D A For more information about this option, see [`set_freebind_v4`].Á ¹¿ú üÁ¿7 4 [`set_freebind_v4`]: crate::Socket::set_freebind_v4Á »£|�ÀúŒ ¬ÀúÊ ¬ÄÀúò œÛÀü¬ÀCü†Àoüý¿z\ƒÁ Þ Þ èv Š· Ö �Á Ö
|
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� $�ÁT¢Â � “� ‚ «� ‚ È� ‚ ‚ � ‚ÐÚ üèÆ? üÑÂ: 7 Set value for the `IP_FREEBIND` option on this socket.Á �Ãú ü˜ÃK H If enabled, this boolean option allows binding to an IP address that isÁ üèÃJ G nonlocal or does not (yet) exist. This permits listening on a socket,Á ü·ÄG D without requiring the underlying network interface or the specifiedÁ üƒÅJ G dynamic IP address to be up at the time that the application is tryingÁ ”ÒÅ to bind to it.Á »£|üÅúŒ ¬™ÆúÊ ¬°Æúò œÇÆü˜ÆCüòÅoüéÅz|ïÆ ß ß èv âè Ö ÿÆ Ö
|
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ƒ $€Ç freebindÁD†Çü�Ì- üùÈ? < Get the value of the `IPV6_FREEBIND` option on this socket.Á ½Éú üÅÉA > This is an IPv6 counterpart of `IP_FREEBIND` socket option onÁ ü‹Ê> ; Android/Linux. For more information about this option, seeÁ ÄÎÊ [`set_freebind_v4`].Á ëÊú üóÊ7Öâ
|
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»£|¹ËúŒ ¬ÎËúò œåËüÍË,ü¸ËBü¯ËM\ˆÌ à à èv Š· Ö ”Ì Ö
|
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„ $•ÌT«Í „ “� … «� … È� … … „ …ÐÚ üªÖ? üÚÍ< 9 Set value for the `IPV6_FREEBIND` option on this socket.Á ›Îú ü£ÎAèê
|
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üéÎ>´ë
|
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ĬÏüë
|
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ÉÏú üÑÏ7Öâ
|
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�Ðú t•Ð€Æ ¨Ðú l°Ð
|
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On Linux:Á ÂÐú <ÊÐ¼Ë üÖÐ( % use socket2::{Domain, Socket, Type};Á üƒÑ* ' use std::io::{self, Error, ErrorKind};Á ²Ñú üºÑ; 8 fn enable_freebind(socket: &Socket) -> io::Result<()> {Á üúÑ match socket.domain()? {Á üŸÒ: 7 Domain::IPV4 => socket.set_freebind_v4(true)?,Á üÞÒ: 7 Domain::IPV6 => socket.set_freebind_v6(true)?,Á ü�ÓP M _ => return Err(Error::new(ErrorKind::Other, "unsupported domain")),Á TòÓ };Á t�Ô Ok(())Á ,”Ôäò žÔú ü¦Ô# # fn main() -> io::Result<()> {Á üÎÔF C # let socket = Socket::new(Domain::IPV6, Type::STREAM, None)?;Á ü™Õ" # enable_freebind(&socket)Á <ÀÕòò <ÌÕ¼Ë »£|âÕúŒ ¬÷Õúò œŽÖüöÕ,üáÕBüØÕM|±Ö á á èv âè Ö ÁÖ Ö
|
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† $ÂÖðé
|
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DÈÖüî⪠ü¿ØH E Copies data between a `file` and this socket using the `sendfile(2)`Á üŒÙ@ = system call. Because this copying is done within the kernel,Á üÑÙH E `sendfile()` is more efficient than the combination of `read(2)` andÁ üžÚF C `write(2)`, which would require transferring data to and from userÁ TéÚ space.Á øÚú ü€Û@ = Different OSs support different kinds of `file`s, see the OSÁ üÅÛK H documentation for what kind of files are supported. Generally *regular*Á ü•Ü# files are supported by all OSs.Á øÛÅ%hü½Ü& Ó
|
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Additional documentation can be found in manual of the OS:
|
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|
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* DragonFly BSD: <https://man.dragonflybsd.org/?command=sendfile§ion=2>
|
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* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=sendfile&sektion=2>
|
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* Linux: <https://man7.org/linux/man-pages/man2/sendfile.2.html>
|
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* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendfile.2.html> (archived, actually for iOS)
|
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* NetBSD: <https://man.netbsd.org/sendfile.2>
|
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* OpenBSD: <https://man.openbsd.org/sendfile.2>
|
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|
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* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendfile.2.html> (archived)
|
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|
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* illumos: <https://illumos.org/man/3SOCKET/sendfile>
|
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Á èÜú üðÜJ G The `offset` is the absolute offset into the `file` to use as startingÁ T¿Ý point.Á ÎÝú üÖÝL I Depending on the OS this function *may* change the offset of `file`. ForÁ ü§ÞH E the best results reset the offset of the file before using it again.Á ôÞú üüÞL I The `length` determines how many bytes to send, where a length of `None`Á üÍß( % means it will try to send all bytes.Á »£|�à úÜŒ·àúŒ ¬Öàú¶ ¬ùàúå Œœáúô ´»áúò œßáúˆ œ€âú™ ”¡âú© ¬Áâü©à¸üƒàäüúßïDõâ â ã â èv ã Œš ÒòÓñ Ö — ˆ ˆ Šã Ö çŽ þâ «+Œš <�ä
|
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‡Œš$‹ãÌÁxž
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Ëx¿]Ly<> ü×ì� »£|�ìúŒ ¬¤ìúò œ»ìü£ì,üŽìBü…ìMLÚì É ä ä èv ÒòÓñ Ö íì Ö …ñ$îìÌ$üìž
|
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4‘í¿]4®í ±ð ‰ “� Š «� Š È� Š Š ‰ ŠØ» üôƒO ü§ýB ? Set the value of the `TCP_USER_TIMEOUT` option on this socket.Á îýú üöýV S If set, this specifies the maximum amount of time that transmitted data may remainÁ üÑþ_ \ unacknowledged or buffered data may remain untransmitted before TCP will forcibly close theÁ ìµÿ corresponding connection.Á ×ÿú üßÿX U Setting `timeout` to `None` or a zero duration causes the system default timeouts toÁ ü¼€^ [ be used. If `timeout` in milliseconds is larger than `c_uint::MAX`, the timeout is clampedÁ üŸ�^ [ to `c_uint::MAX`. For example, when `c_uint` is a 32-bit value, this limits the timeout toÁ ì‚‚ approximately 49.71 days.Á »£|·‚úŒ ¬á‚úÊ ¬„ƒúò œ§ƒú«
|
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¤ÈƒüÓ‚”ü‚Àü¤‚ˤûƒ å å èv ™Àâè Ö �„ Ö
|
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‹ $‘„—€<—„$î„ ‹ “� Œ «� Œ È� Œ Œ ‹ Œ è½ üÖŠ> ü›‡B ? Get the value of the `TCP_USER_TIMEOUT` option on this socket.Á â‡ú üê‡I F For more information about this option, see [`set_tcp_user_timeout`].Á ¸ˆú üÀˆA > [`set_tcp_user_timeout`]: crate::Socket::set_tcp_user_timeoutÁ »£|™‰úŒ ¬Ã‰úÊ ¬æ‰úò œ‰Šú«
|
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¤ªŠüµ‰”ü�‰Àü†‰Ë„ÝŠ æ æ èv ²è Ö îŠ Ö
|
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� $ïŠDžŒ � “� Ž «� Ž È� Ž Ž � Ž ™À ü½‘E ü‰Ž7 4 Attach Berkeley Packet Filter (BPF) on this socket.Á ÅŽú üÍŽF C BPF allows a user-space program to attach a filter onto any socketÁ ü˜�K H and allow or disallow certain types of data to come through the socket.Á è�ú üð�v s For more information about this option, see [filter](https://www.kernel.org/doc/html/v5.12/networking/filter.html)Á »£|õ�úò œŠ‘úŒ ¬Ÿ‘ü‰‘,üô�Büë�MlÄ‘ ç è ç èv è
|
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–} âè Ö Ò‘ Ö
|
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� $Ó‘ filtersÁ<Ù‘ü¶—- ü™•8 5 Detach Berkeley Packet Filter(BPF) from this socket.Á Ö•ú üÞ•A > For more information about this option, see [`attach_filter`]Á ¤–ú ü¬–3 0 [`attach_filter`]: crate::Socket::attach_filterÁ »£|î–úò œƒ—úŒ ¬˜—ü‚—,üí–Büä–Ml½— é é èv âè Ö Ë— Ö
|
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� $Ì—üžœ' ü˘= : Gets the value for the `SO_COOKIE` option on this socket.Á �™ú ü•™Q N The socket cookie is a unique, kernel-managed identifier tied to each socket.Á üë™6 3 Therefore, there is no corresponding `set` helper.Á ¦šú ü®šµ ² For more information about this option, see [Linux patch](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5daab9db7b65df87da26fd8cfa695fb9546a1ddb)Á »£|ò›úò œƒœüñ›&üè›14¥œ ê ê èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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‘ $œüˆ¢* ü¸�> ; Get the value of the `IPV6_TCLASS` option for this socket.Á û�ú üƒžB ? For more information about this option, see [`set_tclass_v6`].Á Êžú üÒž3 0 [`set_tclass_v6`]: crate::Socket::set_tclass_v6Á »£|�Ÿ úŒ ¬ÇŸú ¼êŸú¶ ¬� úÊ ¬² úò œÕ úˆ œö ú„
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’ $š¢D«£ ’ “� “ «� “ È� “ “ ’ “Ý‚ üˆ¨: üØ£> ; Set the value of the `IPV6_TCLASS` option for this socket.Á ›¤ú ü£¤C @ Specifies the traffic class field that is used in every packetsÁ Ô뤶ú »£|�¥ úŒ ¬Ç¥ú ¼ê¥ú¶ ¬�¦úÊ ¬²¦úò œÕ¦úˆ œö¦ú„
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” $ž¨ tclassÁ4¤¨üȬ3 ü’ªA > Get the value of the `TCP_CONGESTION` option for this socket.Á تú üàªG D For more information about this option, see [`set_tcp_congestion`].Á ¬«ú ü´«= : [`set_tcp_congestion`]: crate::Socket::set_tcp_congestionÁ »£|€¬ú¶ ¬•¬úò œ¬¬ü”¬,üÿ«Büö«MtϬ í í èv Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
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úå ¸–ü�³F üø¯A > Set the value of the `TCP_CONGESTION` option for this socket.Á ¾°ú üÆ°J G Specifies the TCP congestion control algorithm to use for this socket.Á •±ú ü�±J G The value must be a valid TCP congestion control algorithm name of theÁ üì±> ; platform. For example, Linux may supports "reno", "cubic".Á »£|¹²ú¶ ¬Î²úò œå²üͲ,ü¸²Bü¯²M”ˆ³ î ï î èv ï å² âè Ö ›³ Ö
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™ $œ³ tcp_ca_nameÁ\¢³ µµ ™ “� š «� š È� š š ™ š®¬ ü’º; üȵC @ Set value for the `DCCP_SOCKOPT_SERVICE` option on this socket.Á �¶ú ü˜¶K H Sets the DCCP service. The specification mandates use of service codes.Á üè¶K H If this socket option is not set, the socket will fall back to 0 (whichÁ ü¸·H E means that no meaningful service code is present). On active socketsÁ ü…¸G D this is set before [`connect`]. On passive sockets up to 32 serviceÁ üѸ, ) codes can be set before calling [`bind`]Á ‚¹ú üŠ¹' $ [`connect`]: crate::Socket::connectÁ ü¶¹! [`bind`]: crate::Socket::bindÁ »£|æ¹úò œ÷¹üå¹&üܹ1„™º ð ð èv âè Ö ªº Ö
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› $«ºŽ„$±ºü´¾- ü�¼F C Get the value of the `DCCP_SOCKOPT_SERVICE` option on this socket.Á è¼ú üð¼C @ For more information about this option see [`set_dccp_service`]Á ¸½ú üÀ½9 6 [`set_dccp_service`]: crate::Socket::set_dccp_serviceÁ »£|ˆ¾úò œ™¾ü‡¾&üþ½1d»¾ ñ ñ èv �� Ö È¾ Ö
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