diff options
Diffstat (limited to 'ext/socket/mkconstants.rb')
| -rw-r--r-- | ext/socket/mkconstants.rb | 941 |
1 files changed, 556 insertions, 385 deletions
diff --git a/ext/socket/mkconstants.rb b/ext/socket/mkconstants.rb index 6df8fbeaf9..4271e40cd8 100644 --- a/ext/socket/mkconstants.rb +++ b/ext/socket/mkconstants.rb @@ -1,3 +1,4 @@ +# frozen_string_literal: false require 'optparse' require 'erb' @@ -37,30 +38,34 @@ opt.parse! h = {} +COMMENTS = Hash.new { |h, name| h[name] = name } + DATA.each_line {|s| - name, default_value = s.scan(/\S+/) + name, default_value, comment = s.chomp.split(/\s+/, 3) next unless name && name[0] != ?# + + default_value = nil if default_value == 'nil' + if h.has_key? name warn "#{$.}: warning: duplicate name: #{name}" next end h[name] = default_value + if comment + # Stop unintentional references + COMMENTS[name] = comment.gsub(/\b(Data|Kernel|Process|Set|Socket|Time)\b/, '\\\\\\&') + end } DEFS = h.to_a def each_const DEFS.each {|name, default_value| - if name =~ /\AINADDR_/ - make_value = "UINT2NUM" - else - make_value = "INT2NUM" - end guard = nil if /\A(AF_INET6|PF_INET6|IPV6_.*)\z/ =~ name - # IPv6 is not supported although AF_INET6 is defined on bcc32/mingw + # IPv6 is not supported although AF_INET6 is defined on mingw guard = "defined(INET6)" end - yield guard, make_value, name, default_value + yield guard, name, default_value } end @@ -71,31 +76,41 @@ def each_name(pat) } end -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_decls") -% each_const {|guard, make_value, name, default_value| -% if default_value -#ifndef <%=name%> -# define <%=name%> <%=default_value%> +erb_new = lambda do |src, trim| + ERB.new(src, trim_mode: trim) +end + +erb_new.call(<<'EOS', '%').def_method(Object, "gen_const_decls") +% each_const {|guard, name, default_value| +#if !defined(<%=name%>) +# if defined(HAVE_CONST_<%=name.upcase%>) +# define <%=name%> <%=name%> +%if default_value +# else +# define <%=name%> <%=default_value%> +%end +# endif #endif -% end % } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs_in_guard(make_value, name, default_value)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_const_defs_in_guard(name, default_value)") #if defined(<%=name%>) - rb_define_const(rb_cSocket, <%=c_str name%>, <%=make_value%>(<%=name%>)); - rb_define_const(rb_mSockConst, <%=c_str name%>, <%=make_value%>(<%=name%>)); + /* <%= COMMENTS[name] %> */ + rb_define_const(rb_cSocket, <%=c_str name%>, INTEGER2NUM(<%=name%>)); + /* <%= COMMENTS[name] %> */ + rb_define_const(rb_mSockConst, <%=c_str name%>, INTEGER2NUM(<%=name%>)); #endif EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs") -% each_const {|guard, make_value, name, default_value| +erb_new.call(<<'EOS', '%').def_method(Object, "gen_const_defs") +% each_const {|guard, name, default_value| % if guard #if <%=guard%> -<%= gen_const_defs_in_guard(make_value, name, default_value).chomp %> +<%= gen_const_defs_in_guard(name, default_value).chomp %> #endif % else -<%= gen_const_defs_in_guard(make_value, name, default_value).chomp %> +<%= gen_const_defs_in_guard(name, default_value).chomp %> % end % } EOS @@ -138,19 +153,19 @@ def each_names_with_len(pat, prefix_optional=nil) } end -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_name_to_int_decl(funcname, pat, prefix_optional, guard=nil)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_name_to_int_decl(funcname, pat, prefix_optional, guard=nil)") %if guard #ifdef <%=guard%> -int <%=funcname%>(const char *str, int len, int *valp); +int <%=funcname%>(const char *str, long len, int *valp); #endif %else -int <%=funcname%>(const char *str, int len, int *valp); +int <%=funcname%>(const char *str, long len, int *valp); %end EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard=nil)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard=nil)") int -<%=funcname%>(const char *str, int len, int *valp) +<%=funcname%>(const char *str, long len, int *valp) { switch (len) { % each_names_with_len(pat, prefix_optional) {|pairs, len| @@ -164,12 +179,13 @@ int % } default: + if (!str || !valp) {/* wrong argument */} return -1; } } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_name_to_int_func(funcname, pat, prefix_optional, guard=nil)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_name_to_int_func(funcname, pat, prefix_optional, guard=nil)") %if guard #ifdef <%=guard%> <%=gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard)%> @@ -198,7 +214,7 @@ def reverse_each_name_with_prefix_optional(pat, prefix_pat) end end -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_hash(hash_var, pat, prefix_pat)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_int_to_name_hash(hash_var, pat, prefix_pat)") <%=hash_var%> = st_init_numtable(); % reverse_each_name_with_prefix_optional(pat, prefix_pat) {|n,s| #ifdef <%=n%> @@ -207,7 +223,7 @@ ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_hash(hash_var, pa % } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_func(func_name, hash_var)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_int_to_name_func(func_name, hash_var)") ID <%=func_name%>(int val) { @@ -218,7 +234,7 @@ ID } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_decl(func_name, hash_var)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_int_to_name_decl(func_name, hash_var)") ID <%=func_name%>(int val); EOS @@ -267,17 +283,38 @@ def_intern('rsock_intern_udp_optname', /\AUDP_/, "UDP_") def_intern('rsock_intern_scm_optname', /\ASCM_/, "SCM_") def_intern('rsock_intern_local_optname', /\ALOCAL_/, "LOCAL_") -result = ERB.new(<<'EOS', nil, '%').result(binding) +result = erb_new.call(<<'EOS', '%').result(binding) /* autogenerated file */ <%= INTERN_DEFS.map {|vardef, gen_hash, decl, func| vardef }.join("\n") %> +#ifdef HAVE_LONG_LONG +#define INTEGER2NUM(n) \ + (FIXNUM_MAX < (n) ? ULL2NUM(n) : \ + FIXNUM_MIN > (LONG_LONG)(n) ? LL2NUM(n) : \ + LONG2FIX(n)) +#else +#define INTEGER2NUM(n) \ + (FIXNUM_MAX < (n) ? ULONG2NUM(n) : \ + FIXNUM_MIN > (long)(n) ? LONG2NUM(n) : \ + LONG2FIX(n)) +#endif + static void init_constants(void) { - /* for rdoc */ - /* rb_cSocket = rb_define_class("Socket", rb_cBasicSocket); */ - /* rb_mSockConst = rb_define_module_under(rb_cSocket, "Constants"); */ + /* + * Document-module: Socket::Constants + * + * Socket::Constants provides socket-related constants. All possible + * socket constants are listed in the documentation but they may not all + * be present on your platform. + * + * If the underlying platform doesn't define a constant the corresponding + * Ruby constant is not defined. + * + */ + rb_mSockConst = rb_define_module_under(rb_cSocket, "Constants"); <%= gen_const_defs %> <%= INTERN_DEFS.map {|vardef, gen_hash, decl, func| gen_hash }.join("\n") %> @@ -289,7 +326,7 @@ init_constants(void) EOS -header_result = ERB.new(<<'EOS', nil, '%').result(binding) +header_result = erb_new.call(<<'EOS', '%').result(binding) /* autogenerated file */ <%= gen_const_decls %> <%= NAME_TO_INT_DEFS.map {|decl, func| decl }.join("\n") %> @@ -314,370 +351,504 @@ end __END__ -SOCK_STREAM -SOCK_DGRAM -SOCK_RAW -SOCK_RDM -SOCK_SEQPACKET -SOCK_PACKET - -AF_UNSPEC -PF_UNSPEC -AF_INET -PF_INET -AF_INET6 -PF_INET6 -AF_UNIX -PF_UNIX -AF_AX25 -PF_AX25 -AF_IPX -PF_IPX -AF_APPLETALK -PF_APPLETALK -AF_LOCAL -PF_LOCAL -AF_IMPLINK -PF_IMPLINK -AF_PUP -PF_PUP -AF_CHAOS -PF_CHAOS -AF_NS -PF_NS -AF_ISO -PF_ISO -AF_OSI -PF_OSI -AF_ECMA -PF_ECMA -AF_DATAKIT -PF_DATAKIT -AF_CCITT -PF_CCITT -AF_SNA -PF_SNA -AF_DEC -PF_DEC -AF_DLI -PF_DLI -AF_LAT -PF_LAT -AF_HYLINK -PF_HYLINK -AF_ROUTE -PF_ROUTE -AF_LINK -PF_LINK -AF_COIP -PF_COIP -AF_CNT -PF_CNT -AF_SIP -PF_SIP -AF_NDRV -PF_NDRV -AF_ISDN -PF_ISDN -AF_NATM -PF_NATM -AF_SYSTEM -PF_SYSTEM -AF_NETBIOS -PF_NETBIOS -AF_PPP -PF_PPP -AF_ATM -PF_ATM -AF_NETGRAPH -PF_NETGRAPH -AF_MAX -PF_MAX -AF_PACKET -PF_PACKET - -AF_E164 -PF_XTP -PF_RTIP -PF_PIP -PF_KEY - -MSG_OOB -MSG_PEEK -MSG_DONTROUTE -MSG_EOR -MSG_TRUNC -MSG_CTRUNC -MSG_WAITALL -MSG_DONTWAIT -MSG_EOF -MSG_FLUSH -MSG_HOLD -MSG_SEND -MSG_HAVEMORE -MSG_RCVMORE -MSG_COMPAT -MSG_PROXY +SOCK_STREAM nil A stream socket provides a sequenced, reliable two-way connection for a byte stream +SOCK_DGRAM nil A datagram socket provides connectionless, unreliable messaging +SOCK_RAW nil A raw socket provides low-level access for direct access or implementing network protocols +SOCK_RDM nil A reliable datagram socket provides reliable delivery of messages +SOCK_SEQPACKET nil A sequential packet socket provides sequenced, reliable two-way connection for datagrams +SOCK_PACKET nil Device-level packet access +SOCK_NONBLOCK nil Set the O_NONBLOCK file status flag on the open file description (see open(2)) referred to by the new file descriptor. +SOCK_CLOEXEC nil Set the close-on-exec (FD_CLOEXEC) flag on the new file descriptor. + +AF_UNSPEC nil Unspecified protocol, any supported address family +PF_UNSPEC nil Unspecified protocol, any supported address family +AF_INET nil IPv4 protocol +PF_INET nil IPv4 protocol +AF_INET6 nil IPv6 protocol +PF_INET6 nil IPv6 protocol +AF_UNIX nil UNIX sockets +PF_UNIX nil UNIX sockets +AF_AX25 nil AX.25 protocol +PF_AX25 nil AX.25 protocol +AF_IPX nil IPX protocol +PF_IPX nil IPX protocol +AF_APPLETALK nil AppleTalk protocol +PF_APPLETALK nil AppleTalk protocol +AF_LOCAL nil Host-internal protocols +PF_LOCAL nil Host-internal protocols +AF_IMPLINK nil ARPANET IMP protocol +PF_IMPLINK nil ARPANET IMP protocol +AF_PUP nil PARC Universal Packet protocol +PF_PUP nil PARC Universal Packet protocol +AF_CHAOS nil MIT CHAOS protocols +PF_CHAOS nil MIT CHAOS protocols +AF_NS nil XEROX NS protocols +PF_NS nil XEROX NS protocols +AF_ISO nil ISO Open Systems Interconnection protocols +PF_ISO nil ISO Open Systems Interconnection protocols +AF_OSI nil ISO Open Systems Interconnection protocols +PF_OSI nil ISO Open Systems Interconnection protocols +AF_ECMA nil European Computer Manufacturers protocols +PF_ECMA nil European Computer Manufacturers protocols +AF_DATAKIT nil Datakit protocol +PF_DATAKIT nil Datakit protocol +AF_CCITT nil CCITT (now ITU-T) protocols +PF_CCITT nil CCITT (now ITU-T) protocols +AF_SNA nil IBM SNA protocol +PF_SNA nil IBM SNA protocol +AF_DEC nil DECnet protocol +PF_DEC nil DECnet protocol +AF_DECnet nil DECnet protocol +PF_DECnet nil DECnet protocol +AF_DLI nil DEC Direct Data Link Interface protocol +PF_DLI nil DEC Direct Data Link Interface protocol +AF_LAT nil Local Area Transport protocol +PF_LAT nil Local Area Transport protocol +AF_HYLINK nil NSC Hyperchannel protocol +PF_HYLINK nil NSC Hyperchannel protocol +AF_ROUTE nil Internal routing protocol +PF_ROUTE nil Internal routing protocol +AF_LINK nil Link layer interface +PF_LINK nil Link layer interface +AF_COIP nil Connection-oriented IP +PF_COIP nil Connection-oriented IP +AF_CNT nil Computer Network Technology +PF_CNT nil Computer Network Technology +AF_SIP nil Simple Internet Protocol +PF_SIP nil Simple Internet Protocol +AF_NDRV nil Network driver raw access +PF_NDRV nil Network driver raw access +AF_ISDN nil Integrated Services Digital Network +PF_ISDN nil Integrated Services Digital Network +AF_NATM nil Native ATM access +PF_NATM nil Native ATM access +AF_SYSTEM nil Kernel event messages +PF_SYSTEM nil Kernel event messages +AF_NETBIOS nil NetBIOS +PF_NETBIOS nil NetBIOS +AF_PPP nil Point-to-Point Protocol +PF_PPP nil Point-to-Point Protocol +AF_ATM nil Asynchronous Transfer Mode +PF_ATM nil Asynchronous Transfer Mode +AF_NETGRAPH nil Netgraph sockets +PF_NETGRAPH nil Netgraph sockets +AF_MAX nil Maximum address family for this platform +PF_MAX nil Maximum address family for this platform +AF_PACKET nil Direct link-layer access +PF_PACKET nil Direct link-layer access + +AF_E164 nil CCITT (ITU-T) E.164 recommendation +PF_XTP nil eXpress Transfer Protocol +PF_RTIP nil Help Identify RTIP packets +PF_PIP nil Help Identify PIP packets +AF_KEY nil Key management protocol, originally developed for usage with IPsec +PF_KEY nil Key management protocol, originally developed for usage with IPsec +AF_NETLINK nil Kernel user interface device +PF_NETLINK nil Kernel user interface device +AF_RDS nil Reliable Datagram Sockets (RDS) protocol +PF_RDS nil Reliable Datagram Sockets (RDS) protocol +AF_PPPOX nil Generic PPP transport layer, for setting up L2 tunnels (L2TP and PPPoE) +PF_PPPOX nil Generic PPP transport layer, for setting up L2 tunnels (L2TP and PPPoE) +AF_LLC nil Logical link control (IEEE 802.2 LLC) protocol +PF_LLC nil Logical link control (IEEE 802.2 LLC) protocol +AF_IB nil InfiniBand native addressing +PF_IB nil InfiniBand native addressing +AF_MPLS nil Multiprotocol Label Switching +PF_MPLS nil Multiprotocol Label Switching +AF_CAN nil Controller Area Network automotive bus protocol +PF_CAN nil Controller Area Network automotive bus protocol +AF_TIPC nil TIPC, "cluster domain sockets" protocol +PF_TIPC nil TIPC, "cluster domain sockets" protocol +AF_BLUETOOTH nil Bluetooth low-level socket protocol +PF_BLUETOOTH nil Bluetooth low-level socket protocol +AF_ALG nil Interface to kernel crypto API +PF_ALG nil Interface to kernel crypto API +AF_VSOCK nil VSOCK (originally "VMWare VSockets") protocol for hypervisor-guest communication +PF_VSOCK nil VSOCK (originally "VMWare VSockets") protocol for hypervisor-guest communication +AF_KCM nil KCM (kernel connection multiplexor) interface +PF_KCM nil KCM (kernel connection multiplexor) interface +AF_XDP nil XDP (express data path) interface +PF_XDP nil XDP (express data path) interface + +MSG_OOB nil Process out-of-band data +MSG_PEEK nil Peek at incoming message +MSG_DONTROUTE nil Send without using the routing tables +MSG_EOR nil Data completes record +MSG_TRUNC nil Data discarded before delivery +MSG_CTRUNC nil Control data lost before delivery +MSG_WAITALL nil Wait for full request or error +MSG_DONTWAIT nil This message should be non-blocking +MSG_EOF nil Data completes connection +MSG_FLUSH nil Start of a hold sequence. Dumps to so_temp +MSG_HOLD nil Hold fragment in so_temp +MSG_SEND nil Send the packet in so_temp +MSG_HAVEMORE nil Data ready to be read +MSG_RCVMORE nil Data remains in the current packet +MSG_COMPAT nil End of record +MSG_PROXY nil Wait for full request MSG_FIN MSG_SYN -MSG_CONFIRM +MSG_CONFIRM nil Confirm path validity MSG_RST -MSG_ERRQUEUE -MSG_NOSIGNAL -MSG_MORE - -SOL_SOCKET -SOL_IP -SOL_IPX -SOL_AX25 -SOL_ATALK -SOL_TCP -SOL_UDP - -IPPROTO_IP 0 -IPPROTO_ICMP 1 -IPPROTO_IGMP -IPPROTO_GGP -IPPROTO_TCP 6 -IPPROTO_EGP -IPPROTO_PUP -IPPROTO_UDP 17 -IPPROTO_IDP -IPPROTO_HELLO -IPPROTO_ND -IPPROTO_TP -IPPROTO_XTP -IPPROTO_EON +MSG_ERRQUEUE nil Fetch message from error queue +MSG_NOSIGNAL nil Do not generate SIGPIPE +MSG_MORE nil Sender will send more +MSG_FASTOPEN nil Reduce step of the handshake process + +SOL_SOCKET nil Socket-level options +SOL_IP nil IP socket options +SOL_IPX nil IPX socket options +SOL_AX25 nil AX.25 socket options +SOL_ATALK nil AppleTalk socket options +SOL_TCP nil TCP socket options +SOL_UDP nil UDP socket options + +IPPROTO_IP 0 Dummy protocol for IP +IPPROTO_ICMP 1 Control message protocol +IPPROTO_IGMP nil Group Management Protocol +IPPROTO_GGP nil Gateway to Gateway Protocol +IPPROTO_TCP 6 TCP +IPPROTO_EGP nil Exterior Gateway Protocol +IPPROTO_PUP nil PARC Universal Packet protocol +IPPROTO_UDP 17 UDP +IPPROTO_IDP nil XNS IDP +IPPROTO_HELLO nil "hello" routing protocol +IPPROTO_ND nil Sun net disk protocol +IPPROTO_TP nil ISO transport protocol class 4 +IPPROTO_XTP nil Xpress Transport Protocol +IPPROTO_EON nil ISO cnlp IPPROTO_BIP -IPPROTO_AH -IPPROTO_DSTOPTS -IPPROTO_ESP -IPPROTO_FRAGMENT -IPPROTO_HOPOPTS -IPPROTO_ICMPV6 -IPPROTO_IPV6 -IPPROTO_NONE -IPPROTO_ROUTING - -IPPROTO_RAW 255 -IPPROTO_MAX +IPPROTO_AH nil IP6 auth header +IPPROTO_DSTOPTS nil IP6 destination option +IPPROTO_ESP nil IP6 Encapsulated Security Payload +IPPROTO_FRAGMENT nil IP6 fragmentation header +IPPROTO_HOPOPTS nil IP6 hop-by-hop options +IPPROTO_ICMPV6 nil ICMP6 +IPPROTO_IPV6 nil IP6 header +IPPROTO_NONE nil IP6 no next header +IPPROTO_ROUTING nil IP6 routing header + +IPPROTO_RAW 255 Raw IP packet +IPPROTO_MAX nil Maximum IPPROTO constant # Some port configuration -IPPORT_RESERVED 1024 -IPPORT_USERRESERVED 5000 +IPPORT_RESERVED 1024 Default minimum address for bind or connect +IPPORT_USERRESERVED 5000 Default maximum address for bind or connect # Some reserved IP v.4 addresses -INADDR_ANY 0x00000000 -INADDR_BROADCAST 0xffffffff -INADDR_LOOPBACK 0x7F000001 -INADDR_UNSPEC_GROUP 0xe0000000 -INADDR_ALLHOSTS_GROUP 0xe0000001 -INADDR_MAX_LOCAL_GROUP 0xe00000ff -INADDR_NONE 0xffffffff +INADDR_ANY 0x00000000 A socket bound to INADDR_ANY receives packets from all interfaces and sends from the default IP address +INADDR_BROADCAST 0xffffffff The network broadcast address +INADDR_LOOPBACK 0x7F000001 The loopback address +INADDR_UNSPEC_GROUP 0xe0000000 The reserved multicast group +INADDR_ALLHOSTS_GROUP 0xe0000001 Multicast group for all systems on this subset +INADDR_MAX_LOCAL_GROUP 0xe00000ff The last local network multicast group +INADDR_NONE 0xffffffff A bitmask for matching no valid IP address # IP [gs]etsockopt options -IP_OPTIONS -IP_HDRINCL -IP_TOS -IP_TTL -IP_RECVOPTS -IP_RECVRETOPTS -IP_RECVDSTADDR -IP_RETOPTS -IP_MINTTL -IP_DONTFRAG -IP_SENDSRCADDR -IP_ONESBCAST -IP_RECVTTL -IP_RECVIF -IP_RECVSLLA -IP_PORTRANGE -IP_MULTICAST_IF -IP_MULTICAST_TTL -IP_MULTICAST_LOOP -IP_ADD_MEMBERSHIP -IP_DROP_MEMBERSHIP -IP_DEFAULT_MULTICAST_TTL -IP_DEFAULT_MULTICAST_LOOP -IP_MAX_MEMBERSHIPS -IP_ROUTER_ALERT -IP_PKTINFO -IP_PKTOPTIONS -IP_MTU_DISCOVER -IP_RECVERR -IP_RECVTOS -IP_MTU -IP_FREEBIND -IP_IPSEC_POLICY +IP_OPTIONS nil IP options to be included in packets +IP_HDRINCL nil Header is included with data +IP_TOS nil IP type-of-service +IP_TTL nil IP time-to-live +IP_RECVOPTS nil Receive all IP options with datagram +IP_RECVRETOPTS nil Receive all IP options for response +IP_RECVDSTADDR nil Receive IP destination address with datagram +IP_RETOPTS nil IP options to be included in datagrams +IP_MINTTL nil Minimum TTL allowed for received packets +IP_DONTFRAG nil Don't fragment packets +IP_SENDSRCADDR nil Source address for outgoing UDP datagrams +IP_ONESBCAST nil Force outgoing broadcast datagrams to have the undirected broadcast address +IP_RECVTTL nil Receive IP TTL with datagrams +IP_RECVIF nil Receive interface information with datagrams +IP_RECVSLLA nil Receive link-layer address with datagrams +IP_PORTRANGE nil Set the port range for sockets with unspecified port numbers +IP_MULTICAST_IF nil IP multicast interface +IP_MULTICAST_TTL nil IP multicast TTL +IP_MULTICAST_LOOP nil IP multicast loopback +IP_ADD_MEMBERSHIP nil Add a multicast group membership +IP_DROP_MEMBERSHIP nil Drop a multicast group membership +IP_DEFAULT_MULTICAST_TTL nil Default multicast TTL +IP_DEFAULT_MULTICAST_LOOP nil Default multicast loopback +IP_MAX_MEMBERSHIPS nil Maximum number multicast groups a socket can join +IP_ROUTER_ALERT nil Notify transit routers to more closely examine the contents of an IP packet +IP_PKTINFO nil Receive packet information with datagrams +IP_PKTOPTIONS nil Receive packet options with datagrams +IP_MTU_DISCOVER nil Path MTU discovery +IP_RECVERR nil Enable extended reliable error message passing +IP_RECVTOS nil Receive TOS with incoming packets +IP_MTU nil The Maximum Transmission Unit of the socket +IP_FREEBIND nil Allow binding to nonexistent IP addresses +IP_IPSEC_POLICY nil IPsec security policy IP_XFRM_POLICY -IP_PASSSEC -IP_PMTUDISC_DONT -IP_PMTUDISC_WANT -IP_PMTUDISC_DO -IP_UNBLOCK_SOURCE -IP_BLOCK_SOURCE -IP_ADD_SOURCE_MEMBERSHIP -IP_DROP_SOURCE_MEMBERSHIP -IP_MSFILTER - -MCAST_JOIN_GROUP -MCAST_BLOCK_SOURCE -MCAST_UNBLOCK_SOURCE -MCAST_LEAVE_GROUP -MCAST_JOIN_SOURCE_GROUP -MCAST_LEAVE_SOURCE_GROUP -MCAST_MSFILTER -MCAST_EXCLUDE -MCAST_INCLUDE - -SO_DEBUG -SO_REUSEADDR -SO_REUSEPORT -SO_TYPE -SO_ERROR -SO_DONTROUTE -SO_BROADCAST -SO_SNDBUF -SO_RCVBUF -SO_KEEPALIVE -SO_OOBINLINE -SO_NO_CHECK -SO_PRIORITY -SO_LINGER -SO_PASSCRED -SO_PEERCRED -SO_RCVLOWAT -SO_SNDLOWAT -SO_RCVTIMEO -SO_SNDTIMEO -SO_ACCEPTCONN -SO_USELOOPBACK -SO_ACCEPTFILTER -SO_DONTTRUNC -SO_WANTMORE -SO_WANTOOBFLAG -SO_NREAD -SO_NKE -SO_NOSIGPIPE +IP_PASSSEC nil Retrieve security context with datagram +IP_TRANSPARENT nil Transparent proxy +IP_PMTUDISC_DONT nil Never send DF frames +IP_PMTUDISC_WANT nil Use per-route hints +IP_PMTUDISC_DO nil Always send DF frames +IP_UNBLOCK_SOURCE nil Unblock IPv4 multicast packets with a give source address +IP_BLOCK_SOURCE nil Block IPv4 multicast packets with a give source address +IP_ADD_SOURCE_MEMBERSHIP nil Add a multicast group membership +IP_DROP_SOURCE_MEMBERSHIP nil Drop a multicast group membership +IP_MSFILTER nil Multicast source filtering + +MCAST_JOIN_GROUP nil Join a multicast group +MCAST_BLOCK_SOURCE nil Block multicast packets from this source +MCAST_UNBLOCK_SOURCE nil Unblock multicast packets from this source +MCAST_LEAVE_GROUP nil Leave a multicast group +MCAST_JOIN_SOURCE_GROUP nil Join a multicast source group +MCAST_LEAVE_SOURCE_GROUP nil Leave a multicast source group +MCAST_MSFILTER nil Multicast source filtering +MCAST_EXCLUDE nil Exclusive multicast source filter +MCAST_INCLUDE nil Inclusive multicast source filter + +SO_DEBUG nil Debug info recording +SO_REUSEADDR nil Allow local address reuse +SO_REUSEPORT nil Allow local address and port reuse +SO_TYPE nil Get the socket type +SO_ERROR nil Get and clear the error status +SO_DONTROUTE nil Use interface addresses +SO_BROADCAST nil Permit sending of broadcast messages +SO_SNDBUF nil Send buffer size +SO_RCVBUF nil Receive buffer size +SO_SNDBUFFORCE nil Send buffer size without wmem_max limit (Linux 2.6.14) +SO_RCVBUFFORCE nil Receive buffer size without rmem_max limit (Linux 2.6.14) +SO_KEEPALIVE nil Keep connections alive +SO_OOBINLINE nil Leave received out-of-band data in-line +SO_NO_CHECK nil Disable checksums +SO_PRIORITY nil The protocol-defined priority for all packets on this socket +SO_LINGER nil Linger on close if data is present +SO_PASSCRED nil Receive SCM_CREDENTIALS messages +SO_PEERCRED nil The credentials of the foreign process connected to this socket +SO_RCVLOWAT nil Receive low-water mark +SO_SNDLOWAT nil Send low-water mark +SO_RCVTIMEO nil Receive timeout +SO_SNDTIMEO nil Send timeout +SO_ACCEPTCONN nil Socket has had listen() called on it +SO_USELOOPBACK nil Bypass hardware when possible +SO_ACCEPTFILTER nil There is an accept filter +SO_USER_COOKIE nil Setting an identifier for ipfw purpose mainly +SO_DONTTRUNC nil Retain unread data +SO_WANTMORE nil Give a hint when more data is ready +SO_WANTOOBFLAG nil OOB data is wanted in MSG_FLAG on receive +SO_NREAD nil Get first packet byte count +SO_NKE nil Install socket-level Network Kernel Extension +SO_NOSIGPIPE nil Don't SIGPIPE on EPIPE SO_SECURITY_AUTHENTICATION SO_SECURITY_ENCRYPTION_TRANSPORT SO_SECURITY_ENCRYPTION_NETWORK -SO_BINDTODEVICE -SO_ATTACH_FILTER -SO_DETACH_FILTER -SO_PEERNAME -SO_TIMESTAMP -SO_TIMESTAMPNS -SO_BINTIME -SO_RECVUCRED -SO_MAC_EXEMPT -SO_ALLZONES - -SOPRI_INTERACTIVE -SOPRI_NORMAL -SOPRI_BACKGROUND +SO_BINDTODEVICE nil Only send packets from the given interface +SO_ATTACH_FILTER nil Attach an accept filter +SO_DETACH_FILTER nil Detach an accept filter +SO_GET_FILTER nil Obtain filter set by SO_ATTACH_FILTER (Linux 3.8) +SO_PEERNAME nil Name of the connecting user +SO_TIMESTAMP nil Receive timestamp with datagrams (timeval) +SO_TIMESTAMPNS nil Receive nanosecond timestamp with datagrams (timespec) +SO_BINTIME nil Receive timestamp with datagrams (bintime) +SO_RECVUCRED nil Receive user credentials with datagram +SO_MAC_EXEMPT nil Mandatory Access Control exemption for unlabeled peers +SO_ALLZONES nil Bypass zone boundaries +SO_PEERSEC nil Obtain the security credentials (Linux 2.6.2) +SO_PASSSEC nil Toggle security context passing (Linux 2.6.18) +SO_MARK nil Set the mark for mark-based routing (Linux 2.6.25) +SO_TIMESTAMPING nil Time stamping of incoming and outgoing packets (Linux 2.6.30) +SO_PROTOCOL nil Protocol given for socket() (Linux 2.6.32) +SO_DOMAIN nil Domain given for socket() (Linux 2.6.32) +SO_RXQ_OVFL nil Toggle cmsg for number of packets dropped (Linux 2.6.33) +SO_WIFI_STATUS nil Toggle cmsg for wifi status (Linux 3.3) +SO_PEEK_OFF nil Set the peek offset (Linux 3.4) +SO_NOFCS nil Set netns of a socket (Linux 3.4) +SO_LOCK_FILTER nil Lock the filter attached to a socket (Linux 3.9) +SO_SELECT_ERR_QUEUE nil Make select() detect socket error queue with errorfds (Linux 3.10) +SO_BUSY_POLL nil Set the threshold in microseconds for low latency polling (Linux 3.11) +SO_MAX_PACING_RATE nil Cap the rate computed by transport layer. [bytes per second] (Linux 3.13) +SO_BPF_EXTENSIONS nil Query supported BPF extensions (Linux 3.14) +SO_SETFIB nil Set the associated routing table for the socket (FreeBSD) +SO_RTABLE nil Set the routing table for this socket (OpenBSD) +SO_INCOMING_CPU nil Receive the cpu attached to the socket (Linux 3.19) +SO_INCOMING_NAPI_ID nil Receive the napi ID attached to a RX queue (Linux 4.12) +SO_CONNECT_TIME nil Returns the number of seconds a socket has been connected. This option is only valid for connection-oriented protocols (Windows) + +SOPRI_INTERACTIVE nil Interactive socket priority +SOPRI_NORMAL nil Normal socket priority +SOPRI_BACKGROUND nil Background socket priority IPX_TYPE -TCP_NODELAY -TCP_MAXSEG -TCP_CORK -TCP_DEFER_ACCEPT -TCP_INFO -TCP_KEEPCNT -TCP_KEEPIDLE -TCP_KEEPINTVL -TCP_LINGER2 -TCP_MD5SIG -TCP_NOOPT -TCP_NOPUSH -TCP_QUICKACK -TCP_SYNCNT -TCP_WINDOW_CLAMP - -UDP_CORK - -EAI_ADDRFAMILY -EAI_AGAIN -EAI_BADFLAGS -EAI_FAIL -EAI_FAMILY -EAI_MEMORY -EAI_NODATA -EAI_NONAME -EAI_OVERFLOW -EAI_SERVICE -EAI_SOCKTYPE -EAI_SYSTEM -EAI_BADHINTS -EAI_PROTOCOL -EAI_MAX - -AI_PASSIVE -AI_CANONNAME -AI_NUMERICHOST -AI_NUMERICSERV -AI_MASK -AI_ALL -AI_V4MAPPED_CFG -AI_ADDRCONFIG -AI_V4MAPPED -AI_DEFAULT - -NI_MAXHOST -NI_MAXSERV -NI_NOFQDN -NI_NUMERICHOST -NI_NAMEREQD -NI_NUMERICSERV -NI_DGRAM - -SHUT_RD 0 -SHUT_WR 1 -SHUT_RDWR 2 - -IPV6_JOIN_GROUP -IPV6_LEAVE_GROUP -IPV6_MULTICAST_HOPS -IPV6_MULTICAST_IF -IPV6_MULTICAST_LOOP -IPV6_UNICAST_HOPS -IPV6_V6ONLY -IPV6_CHECKSUM -IPV6_DONTFRAG -IPV6_DSTOPTS -IPV6_HOPLIMIT -IPV6_HOPOPTS -IPV6_NEXTHOP -IPV6_PATHMTU -IPV6_PKTINFO -IPV6_RECVDSTOPTS -IPV6_RECVHOPLIMIT -IPV6_RECVHOPOPTS -IPV6_RECVPKTINFO -IPV6_RECVRTHDR -IPV6_RECVTCLASS -IPV6_RTHDR -IPV6_RTHDRDSTOPTS -IPV6_RTHDR_TYPE_0 -IPV6_RECVPATHMTU -IPV6_TCLASS -IPV6_USE_MIN_MTU - -INET_ADDRSTRLEN -INET6_ADDRSTRLEN -IFNAMSIZ - -SOMAXCONN - -SCM_RIGHTS -SCM_TIMESTAMP -SCM_TIMESTAMPNS -SCM_BINTIME -SCM_CREDENTIALS -SCM_CREDS -SCM_UCRED - -LOCAL_PEERCRED -LOCAL_CREDS -LOCAL_CONNWAIT +TCP_NODELAY nil Don't delay sending to coalesce packets +TCP_MAXSEG nil Set maximum segment size +TCP_CONNECTION_INFO nil Retrieve information about this socket (macOS) +TCP_CORK nil Don't send partial frames (Linux 2.2, glibc 2.2) +TCP_DEFER_ACCEPT nil Don't notify a listening socket until data is ready (Linux 2.4, glibc 2.2) +TCP_INFO nil Retrieve information about this socket (Linux 2.4, glibc 2.2) +TCP_KEEPALIVE nil Idle time before keepalive probes are sent (macOS) +TCP_KEEPCNT nil Maximum number of keepalive probes allowed before dropping a connection (Linux 2.4, glibc 2.2) +TCP_KEEPIDLE nil Idle time before keepalive probes are sent (Linux 2.4, glibc 2.2) +TCP_KEEPINTVL nil Time between keepalive probes (Linux 2.4, glibc 2.2) +TCP_LINGER2 nil Lifetime of orphaned FIN_WAIT2 sockets (Linux 2.4, glibc 2.2) +TCP_MD5SIG nil Use MD5 digests (RFC2385, Linux 2.6.20, glibc 2.7) +TCP_NOOPT nil Don't use TCP options +TCP_NOPUSH nil Don't push the last block of write +TCP_QUICKACK nil Enable quickack mode (Linux 2.4.4, glibc 2.3) +TCP_SYNCNT nil Number of SYN retransmits before a connection is dropped (Linux 2.4, glibc 2.2) +TCP_WINDOW_CLAMP nil Clamp the size of the advertised window (Linux 2.4, glibc 2.2) +TCP_FASTOPEN nil Reduce step of the handshake process (Linux 3.7, glibc 2.18) +TCP_CONGESTION nil TCP congestion control algorithm (Linux 2.6.13, glibc 2.6) +TCP_COOKIE_TRANSACTIONS nil TCP Cookie Transactions (Linux 2.6.33, glibc 2.18) +TCP_QUEUE_SEQ nil Sequence of a queue for repair mode (Linux 3.5, glibc 2.18) +TCP_REPAIR nil Repair mode (Linux 3.5, glibc 2.18) +TCP_REPAIR_OPTIONS nil Options for repair mode (Linux 3.5, glibc 2.18) +TCP_REPAIR_QUEUE nil Queue for repair mode (Linux 3.5, glibc 2.18) +TCP_THIN_DUPACK nil Duplicated acknowledgments handling for thin-streams (Linux 2.6.34, glibc 2.18) +TCP_THIN_LINEAR_TIMEOUTS nil Linear timeouts for thin-streams (Linux 2.6.34, glibc 2.18) +TCP_TIMESTAMP nil TCP timestamp (Linux 3.9, glibc 2.18) +TCP_USER_TIMEOUT nil Max timeout before a TCP connection is aborted (Linux 2.6.37, glibc 2.18) + +UDP_CORK nil Don't send partial frames (Linux 2.5.44, glibc 2.11) + +EAI_ADDRFAMILY nil Address family for hostname not supported +EAI_AGAIN nil Temporary failure in name resolution +EAI_BADFLAGS nil Invalid flags +EAI_FAIL nil Non-recoverable failure in name resolution +EAI_FAMILY nil Address family not supported +EAI_MEMORY nil Memory allocation failure +EAI_NODATA nil No address associated with hostname +EAI_NONAME nil Hostname nor servname, or not known +EAI_OVERFLOW nil Argument buffer overflow +EAI_SERVICE nil Servname not supported for socket type +EAI_SOCKTYPE nil Socket type not supported +EAI_SYSTEM nil System error returned in errno +EAI_BADHINTS nil Invalid value for hints +EAI_PROTOCOL nil Resolved protocol is unknown +EAI_MAX nil Maximum error code from getaddrinfo + +AI_PASSIVE nil Get address to use with bind() +AI_CANONNAME nil Fill in the canonical name +AI_NUMERICHOST nil Prevent host name resolution +AI_NUMERICSERV nil Prevent service name resolution +AI_MASK nil Valid flag mask for getaddrinfo (not for application use) +AI_ALL nil Allow all addresses +AI_V4MAPPED_CFG nil Accept IPv4 mapped addresses if the kernel supports it +AI_ADDRCONFIG nil Accept only if any address is assigned +AI_V4MAPPED nil Accept IPv4-mapped IPv6 addresses +AI_DEFAULT nil Default flags for getaddrinfo + +NI_MAXHOST nil Maximum length of a hostname +NI_MAXSERV nil Maximum length of a service name +NI_NOFQDN nil An FQDN is not required for local hosts, return only the local part +NI_NUMERICHOST nil Return a numeric address +NI_NAMEREQD nil A name is required +NI_NUMERICSERV nil Return the service name as a digit string +NI_DGRAM nil The service specified is a datagram service (looks up UDP ports) + +SHUT_RD 0 Shut down the reading side of the socket +SHUT_WR 1 Shut down the writing side of the socket +SHUT_RDWR 2 Shut down the both sides of the socket + +IPV6_JOIN_GROUP nil Join a group membership +IPV6_LEAVE_GROUP nil Leave a group membership +IPV6_MTU_DISCOVER nil Path MTU discovery +IPV6_MULTICAST_HOPS nil IP6 multicast hops +IPV6_MULTICAST_IF nil IP6 multicast interface +IPV6_MULTICAST_LOOP nil IP6 multicast loopback +IPV6_UNICAST_HOPS nil IP6 unicast hops +IPV6_V6ONLY nil Only bind IPv6 with a wildcard bind +IPV6_CHECKSUM nil Checksum offset for raw sockets +IPV6_DONTFRAG nil Don't fragment packets +IPV6_DSTOPTS nil Destination option +IPV6_HOPLIMIT nil Hop limit +IPV6_HOPOPTS nil Hop-by-hop option +IPV6_NEXTHOP nil Next hop address +IPV6_PATHMTU nil Retrieve current path MTU +IPV6_PKTINFO nil Receive packet information with datagram +IPV6_RECVDSTOPTS nil Receive all IP6 options for response +IPV6_RECVERR nil Enable extended reliable error message passing +IPV6_RECVHOPLIMIT nil Receive hop limit with datagram +IPV6_RECVHOPOPTS nil Receive hop-by-hop options +IPV6_RECVPKTINFO nil Receive destination IP address and incoming interface +IPV6_RECVRTHDR nil Receive routing header +IPV6_RECVTCLASS nil Receive traffic class +IPV6_RTHDR nil Allows removal of sticky routing headers +IPV6_RTHDRDSTOPTS nil Allows removal of sticky destination options header +IPV6_RTHDR_TYPE_0 nil Routing header type 0 +IPV6_RECVPATHMTU nil Receive current path MTU with datagram +IPV6_TCLASS nil Specify the traffic class +IPV6_USE_MIN_MTU nil Use the minimum MTU size + +INET_ADDRSTRLEN 16 Maximum length of an IPv4 address string +INET6_ADDRSTRLEN 46 Maximum length of an IPv6 address string +IFNAMSIZ nil Maximum interface name size +IF_NAMESIZE nil Maximum interface name size + +SOMAXCONN 5 Maximum connection requests that may be queued for a socket + +SCM_RIGHTS nil Access rights +SCM_TIMESTAMP nil Timestamp (timeval) +SCM_TIMESTAMPNS nil Timespec (timespec) +SCM_TIMESTAMPING nil Timestamp (timespec list) (Linux 2.6.30) +SCM_BINTIME nil Timestamp (bintime) +SCM_CREDENTIALS nil The sender's credentials +SCM_CREDS nil Process credentials +SCM_UCRED nil User credentials +SCM_WIFI_STATUS nil Wifi status (Linux 3.3) + +LOCAL_PEERCRED nil Retrieve peer credentials +LOCAL_CREDS nil Pass credentials to receiver +LOCAL_CONNWAIT nil Connect blocks until accepted + +IFF_802_1Q_VLAN nil 802.1Q VLAN device +IFF_ALLMULTI nil receive all multicast packets +IFF_ALTPHYS nil use alternate physical connection +IFF_AUTOMEDIA nil auto media select active +IFF_BONDING nil bonding master or slave +IFF_BRIDGE_PORT nil device used as bridge port +IFF_BROADCAST nil broadcast address valid +IFF_CANTCONFIG nil unconfigurable using ioctl(2) +IFF_DEBUG nil turn on debugging +IFF_DISABLE_NETPOLL nil disable netpoll at run-time +IFF_DONT_BRIDGE nil disallow bridging this ether dev +IFF_DORMANT nil driver signals dormant +IFF_DRV_OACTIVE nil tx hardware queue is full +IFF_DRV_RUNNING nil resources allocated +IFF_DYING nil interface is winding down +IFF_DYNAMIC nil dialup device with changing addresses +IFF_EBRIDGE nil ethernet bridging device +IFF_ECHO nil echo sent packets +IFF_ISATAP nil ISATAP interface (RFC4214) +IFF_LINK0 nil per link layer defined bit 0 +IFF_LINK1 nil per link layer defined bit 1 +IFF_LINK2 nil per link layer defined bit 2 +IFF_LIVE_ADDR_CHANGE nil hardware address change when it's running +IFF_LOOPBACK nil loopback net +IFF_LOWER_UP nil driver signals L1 up +IFF_MACVLAN_PORT nil device used as macvlan port +IFF_MASTER nil master of a load balancer +IFF_MASTER_8023AD nil bonding master, 802.3ad. +IFF_MASTER_ALB nil bonding master, balance-alb. +IFF_MASTER_ARPMON nil bonding master, ARP mon in use +IFF_MONITOR nil user-requested monitor mode +IFF_MULTICAST nil supports multicast +IFF_NOARP nil no address resolution protocol +IFF_NOTRAILERS nil avoid use of trailers +IFF_OACTIVE nil transmission in progress +IFF_OVS_DATAPATH nil device used as Open vSwitch datapath port +IFF_POINTOPOINT nil point-to-point link +IFF_PORTSEL nil can set media type +IFF_PPROMISC nil user-requested promisc mode +IFF_PROMISC nil receive all packets +IFF_RENAMING nil interface is being renamed +IFF_ROUTE nil routing entry installed +IFF_RUNNING nil resources allocated +IFF_SIMPLEX nil can't hear own transmissions +IFF_SLAVE nil slave of a load balancer +IFF_SLAVE_INACTIVE nil bonding slave not the curr. active +IFF_SLAVE_NEEDARP nil need ARPs for validation +IFF_SMART nil interface manages own routes +IFF_STATICARP nil static ARP +IFF_SUPP_NOFCS nil sending custom FCS +IFF_TEAM_PORT nil used as team port +IFF_TX_SKB_SHARING nil sharing skbs on transmit +IFF_UNICAST_FLT nil unicast filtering +IFF_UP nil interface is up +IFF_WAN_HDLC nil WAN HDLC device +IFF_XMIT_DST_RELEASE nil dev_hard_start_xmit() is allowed to release skb->dst +IFF_VOLATILE nil volatile flags +IFF_CANTCHANGE nil flags not changeable |