From 3aacf8850001fa910edbefd48c7550daa1edcfe5 Mon Sep 17 00:00:00 2001 From: akr Date: Mon, 19 May 2014 11:52:03 +0000 Subject: * ext/socket/option.c (inspect_tcp_info): New function to inspect struct tcp_info. (sockopt_inspect): Use inspect_tcp_info. * ext/socket/extconf.rb: Check tcp_info related things. * ext/socket/rubysocket.h: Include netinet/tcp_fsm.h if available. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46017 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/socket/extconf.rb | 56 ++++++++++ ext/socket/option.c | 266 ++++++++++++++++++++++++++++++++++++++++++++++++ ext/socket/rubysocket.h | 3 + 3 files changed, 325 insertions(+) (limited to 'ext') diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb index 6c61324e38..7bc8ffee80 100644 --- a/ext/socket/extconf.rb +++ b/ext/socket/extconf.rb @@ -309,6 +309,7 @@ end xti.h netinet/in_systm.h netinet/tcp.h + netinet/tcp_fsm.h netinet/udp.h arpa/inet.h netpacket/packet.h @@ -370,6 +371,61 @@ have_msg_control = nil have_msg_control = have_struct_member('struct msghdr', 'msg_control', headers) unless $mswin or $mingw have_struct_member('struct msghdr', 'msg_accrights', headers) +have_type("struct tcp_info", headers) +have_const("TCP_ESTABLISHED", headers) +have_const("TCP_SYN_SENT", headers) +have_const("TCP_SYN_RECV", headers) +have_const("TCP_FIN_WAIT1", headers) +have_const("TCP_FIN_WAIT2", headers) +have_const("TCP_TIME_WAIT", headers) +have_const("TCP_CLOSE", headers) +have_const("TCP_CLOSE_WAIT", headers) +have_const("TCP_LAST_ACK", headers) +have_const("TCP_LISTEN", headers) +have_const("TCP_CLOSING", headers) +have_struct_member('struct tcp_info', 'tcpi_state', headers) +have_struct_member('struct tcp_info', 'tcpi_ca_state', headers) +have_struct_member('struct tcp_info', 'tcpi_retransmits', headers) +have_struct_member('struct tcp_info', 'tcpi_probes', headers) +have_struct_member('struct tcp_info', 'tcpi_backoff', headers) +have_struct_member('struct tcp_info', 'tcpi_options', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_wscale', headers) +have_struct_member('struct tcp_info', 'tcpi_rcv_wscale', headers) +have_struct_member('struct tcp_info', 'tcpi_rto', headers) +have_struct_member('struct tcp_info', 'tcpi_ato', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_mss', headers) +have_struct_member('struct tcp_info', 'tcpi_rcv_mss', headers) +have_struct_member('struct tcp_info', 'tcpi_unacked', headers) +have_struct_member('struct tcp_info', 'tcpi_sacked', headers) +have_struct_member('struct tcp_info', 'tcpi_lost', headers) +have_struct_member('struct tcp_info', 'tcpi_retrans', headers) +have_struct_member('struct tcp_info', 'tcpi_fackets', headers) +have_struct_member('struct tcp_info', 'tcpi_last_data_sent', headers) +have_struct_member('struct tcp_info', 'tcpi_last_ack_sent', headers) +have_struct_member('struct tcp_info', 'tcpi_last_data_recv', headers) +have_struct_member('struct tcp_info', 'tcpi_last_ack_recv', headers) +have_struct_member('struct tcp_info', 'tcpi_pmtu', headers) +have_struct_member('struct tcp_info', 'tcpi_rcv_ssthresh', headers) +have_struct_member('struct tcp_info', 'tcpi_rtt', headers) +have_struct_member('struct tcp_info', 'tcpi_rttvar', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_ssthresh', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_cwnd', headers) +have_struct_member('struct tcp_info', 'tcpi_advmss', headers) +have_struct_member('struct tcp_info', 'tcpi_reordering', headers) +have_struct_member('struct tcp_info', 'tcpi_rcv_rtt', headers) +have_struct_member('struct tcp_info', 'tcpi_rcv_space', headers) +have_struct_member('struct tcp_info', 'tcpi_total_retrans', headers) + +# FreeBSD extension +have_struct_member('struct tcp_info', 'tcpi_snd_wnd', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_bwnd', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_nxt', headers) +have_struct_member('struct tcp_info', 'tcpi_rcv_nxt', headers) +have_struct_member('struct tcp_info', 'tcpi_toe_tid', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_rexmitpack', headers) +have_struct_member('struct tcp_info', 'tcpi_rcv_ooopack', headers) +have_struct_member('struct tcp_info', 'tcpi_snd_zerowin', headers) + case RUBY_PLATFORM when /mswin(32|64)|mingw/ test_func = "WSACleanup" diff --git a/ext/socket/option.c b/ext/socket/option.c index d162b6da76..7b63058159 100644 --- a/ext/socket/option.c +++ b/ext/socket/option.c @@ -808,6 +808,269 @@ inspect_ipv6_mreq(int level, int optname, VALUE data, VALUE ret) } #endif +#if defined(IPPROTO_TCP) && defined(TCP_INFO) && defined(HAVE_TYPE_STRUCT_TCP_INFO) + +#ifdef __FreeBSD__ +# ifndef HAVE_CONST_TCP_ESTABLISHED +# define TCP_ESTABLISHED TCPS_ESTABLISHED +# endif +# ifndef HAVE_CONST_TCP_SYN_SENT +# define TCP_SYN_SENT TCPS_SYN_SENT +# endif +# ifndef HAVE_CONST_TCP_SYN_RECV +# define TCP_SYN_RECV TCPS_SYN_RECEIVED +# endif +# ifndef HAVE_CONST_TCP_FIN_WAIT1 +# define TCP_FIN_WAIT1 TCPS_FIN_WAIT_1 +# endif +# ifndef HAVE_CONST_TCP_FIN_WAIT2 +# define TCP_FIN_WAIT2 TCPS_FIN_WAIT_2 +# endif +# ifndef HAVE_CONST_TCP_TIME_WAIT +# define TCP_TIME_WAIT TCPS_TIME_WAIT +# endif +# ifndef HAVE_CONST_TCP_CLOSE +# define TCP_CLOSE TCPS_CLOSED +# endif +# ifndef HAVE_CONST_TCP_CLOSE_WAIT +# define TCP_CLOSE_WAIT TCPS_CLOSE_WAIT +# endif +# ifndef HAVE_CONST_TCP_LAST_ACK +# define TCP_LAST_ACK TCPS_LAST_ACK +# endif +# ifndef HAVE_CONST_TCP_LISTEN +# define TCP_LISTEN TCPS_LISTEN +# endif +# ifndef HAVE_CONST_TCP_CLOSING +# define TCP_CLOSING TCPS_CLOSING +# endif +#endif + +static void +inspect_tcpi_options(VALUE ret, u_int8_t options) +{ + int sep = '='; + + rb_str_cat2(ret, " options"); +#define INSPECT_TCPI_OPTION(optval, name) \ + if (options & (optval)) { \ + options &= ~(u_int8_t)(optval); \ + rb_str_catf(ret, "%c%s", sep, name); \ + sep = ','; \ + } +#ifdef TCPI_OPT_TIMESTAMPS /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_TIMESTAMPS, "TIMESTAMPS"); +#endif +#ifdef TCPI_OPT_SACK /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_SACK, "SACK"); +#endif +#ifdef TCPI_OPT_WSCALE /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_WSCALE, "WSCALE"); +#endif +#ifdef TCPI_OPT_ECN /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_ECN, "ECN"); +#endif +#ifdef TCPI_OPT_ECN_SEEN /* GNU/Linux */ + INSPECT_TCPI_OPTION(TCPI_OPT_ECN_SEEN, "ECN_SEEN"); +#endif +#ifdef TCPI_OPT_SYN_DATA /* GNU/Linux */ + INSPECT_TCPI_OPTION(TCPI_OPT_SYN_DATA, "SYN_DATA"); +#endif +#ifdef TCPI_OPT_TOE /* FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_TOE, "TOE"); +#endif +#undef INSPECT_TCPI_OPTION + + if (options || sep == '=') { + rb_str_catf(ret, "%c%u", sep, options); + } +} + +static void +inspect_tcpi_usec(VALUE ret, const char *prefix, u_int32_t t) +{ + rb_str_catf(ret, "%s%u.%06us", prefix, t / 1000000, t % 1000000); +} + +#ifdef __linux__ +static void +inspect_tcpi_msec(VALUE ret, const char *prefix, u_int32_t t) +{ + rb_str_catf(ret, "%s%u.%03us", prefix, t / 1000, t % 1000); +} +#endif + +#ifdef __FreeBSD__ +# define inspect_tcpi_rto(ret, t) inspect_tcpi_usec(ret, " rto=", t) +# define inspect_tcpi_last_data_recv(ret, t) inspect_tcpi_usec(ret, " last_data_recv=", t) +# define inspect_tcpi_rtt(ret, t) inspect_tcpi_usec(ret, " rtt=", t) +# define inspect_tcpi_rttvar(ret, t) inspect_tcpi_usec(ret, " rttvar=", t) +#else +# define inspect_tcpi_rto(ret, t) inspect_tcpi_usec(ret, " rto=", t) +# define inspect_tcpi_ato(ret, t) inspect_tcpi_usec(ret, " ato=", t) +# define inspect_tcpi_last_data_sent(ret, t) inspect_tcpi_msec(ret, " last_data_sent=", t) +# define inspect_tcpi_last_data_recv(ret, t) inspect_tcpi_msec(ret, " last_data_recv=", t) +# define inspect_tcpi_last_ack_sent(ret, t) inspect_tcpi_msec(ret, " last_ack_sent=", t) +# define inspect_tcpi_last_ack_recv(ret, t) inspect_tcpi_msec(ret, " last_ack_recv=", t) +# define inspect_tcpi_rtt(ret, t) inspect_tcpi_usec(ret, " rtt=", t) +# define inspect_tcpi_rttvar(ret, t) inspect_tcpi_usec(ret, " rttvar=", t) +# define inspect_tcpi_rcv_rtt(ret, t) inspect_tcpi_usec(ret, " rcv_rtt=", t) +#endif + +static int +inspect_tcp_info(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(struct tcp_info)) { + struct tcp_info s; + memcpy((char*)&s, RSTRING_PTR(data), sizeof(s)); +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_STATE + switch (s.tcpi_state) { + case TCP_ESTABLISHED: rb_str_cat_cstr(ret, " state=ESTABLISHED"); break; + case TCP_SYN_SENT: rb_str_cat_cstr(ret, " state=SYN_SENT"); break; + case TCP_SYN_RECV: rb_str_cat_cstr(ret, " state=SYN_RECV"); break; + case TCP_FIN_WAIT1: rb_str_cat_cstr(ret, " state=FIN_WAIT1"); break; + case TCP_FIN_WAIT2: rb_str_cat_cstr(ret, " state=FIN_WAIT2"); break; + case TCP_TIME_WAIT: rb_str_cat_cstr(ret, " state=TIME_WAIT"); break; + case TCP_CLOSE: rb_str_cat_cstr(ret, " state=CLOSED"); break; /* RFC 793 uses "CLOSED", not "CLOSE" */ + case TCP_CLOSE_WAIT: rb_str_cat_cstr(ret, " state=CLOSE_WAIT"); break; + case TCP_LAST_ACK: rb_str_cat_cstr(ret, " state=LAST_ACK"); break; + case TCP_LISTEN: rb_str_cat_cstr(ret, " state=LISTEN"); break; + case TCP_CLOSING: rb_str_cat_cstr(ret, " state=CLOSING"); break; + default: rb_str_catf(ret, " state=%u", s.tcpi_state); break; + } +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_CA_STATE + switch (s.tcpi_ca_state) { + case TCP_CA_Open: rb_str_cat_cstr(ret, " ca_state=Open"); break; + case TCP_CA_Disorder: rb_str_cat_cstr(ret, " ca_state=Disorder"); break; + case TCP_CA_CWR: rb_str_cat_cstr(ret, " ca_state=CWR"); break; + case TCP_CA_Recovery: rb_str_cat_cstr(ret, " ca_state=Recovery"); break; + case TCP_CA_Loss: rb_str_cat_cstr(ret, " ca_state=Loss"); break; + default: rb_str_catf(ret, " ca_state=%u", s.tcpi_ca_state); break; + } +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RETRANSMITS + rb_str_catf(ret, " retransmits=%u", s.tcpi_retransmits); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_PROBES + rb_str_catf(ret, " probes=%u", s.tcpi_probes); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_BACKOFF + rb_str_catf(ret, " backoff=%u", s.tcpi_backoff); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_OPTIONS + inspect_tcpi_options(ret, s.tcpi_options); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_WSCALE + rb_str_catf(ret, " snd_wscale=%u", s.tcpi_snd_wscale); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_WSCALE + rb_str_catf(ret, " rcv_wscale=%u", s.tcpi_rcv_wscale); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RTO + inspect_tcpi_rto(ret, s.tcpi_rto); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_ATO + inspect_tcpi_ato(ret, s.tcpi_ato); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_MSS + rb_str_catf(ret, " snd_mss=%u", s.tcpi_snd_mss); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_MSS + rb_str_catf(ret, " rcv_mss=%u", s.tcpi_rcv_mss); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_UNACKED + rb_str_catf(ret, " unacked=%u", s.tcpi_unacked); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SACKED + rb_str_catf(ret, " sacked=%u", s.tcpi_sacked); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LOST + rb_str_catf(ret, " lost=%u", s.tcpi_lost); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RETRANS + rb_str_catf(ret, " retrans=%u", s.tcpi_retrans); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_FACKETS + rb_str_catf(ret, " fackets=%u", s.tcpi_fackets); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_DATA_SENT + inspect_tcpi_last_data_sent(ret, s.tcpi_last_data_sent); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_ACK_SENT + inspect_tcpi_last_ack_sent(ret, s.tcpi_last_ack_sent); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_DATA_RECV + inspect_tcpi_last_data_recv(ret, s.tcpi_last_data_recv); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_ACK_RECV + inspect_tcpi_last_ack_recv(ret, s.tcpi_last_ack_recv); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_PMTU + rb_str_catf(ret, " pmtu=%u", s.tcpi_pmtu); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_SSTHRESH + rb_str_catf(ret, " rcv_ssthresh=%u", s.tcpi_rcv_ssthresh); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RTT + inspect_tcpi_rtt(ret, s.tcpi_rtt); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RTTVAR + inspect_tcpi_rttvar(ret, s.tcpi_rttvar); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_SSTHRESH + rb_str_catf(ret, " snd_ssthresh=%u", s.tcpi_snd_ssthresh); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_CWND + rb_str_catf(ret, " snd_cwnd=%u", s.tcpi_snd_cwnd); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_ADVMSS + rb_str_catf(ret, " advmss=%u", s.tcpi_advmss); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_REORDERING + rb_str_catf(ret, " reordering=%u", s.tcpi_reordering); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_RTT + inspect_tcpi_rcv_rtt(ret, s.tcpi_rcv_rtt); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_SPACE + rb_str_catf(ret, " rcv_space=%u", s.tcpi_rcv_space); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_TOTAL_RETRANS + rb_str_catf(ret, " total_retrans=%u", s.tcpi_total_retrans); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_WND + rb_str_catf(ret, " snd_wnd=%u", s.tcpi_snd_wnd); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_BWND + rb_str_catf(ret, " snd_bwnd=%u", s.tcpi_snd_bwnd); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_NXT + rb_str_catf(ret, " snd_nxt=%u", s.tcpi_snd_nxt); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_NXT + rb_str_catf(ret, " rcv_nxt=%u", s.tcpi_rcv_nxt); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_TOE_TID + rb_str_catf(ret, " toe_tid=%u", s.tcpi_toe_tid); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_REXMITPACK + rb_str_catf(ret, " snd_rexmitpack=%u", s.tcpi_snd_rexmitpack); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_OOOPACK + rb_str_catf(ret, " rcv_ooopack=%u", s.tcpi_rcv_ooopack); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_ZEROWIN + rb_str_catf(ret, " snd_zerowin=%u", s.tcpi_snd_zerowin); /* FreeBSD */ +#endif + return 1; + } + else { + return 0; + } +} +#endif + #if defined(SOL_SOCKET) && defined(SO_PEERCRED) /* GNU/Linux, OpenBSD */ #if defined(__OpenBSD__) #define RUBY_SOCK_PEERCRED struct sockpeercred @@ -1054,6 +1317,9 @@ sockopt_inspect(VALUE self) switch (optname) { # if defined(TCP_NODELAY) /* POSIX */ case TCP_NODELAY: inspected = inspect_int(level, optname, data, ret); break; +# endif +# if defined(TCP_INFO) && defined(HAVE_TYPE_STRUCT_TCP_INFO) /* Linux, FreeBSD */ + case TCP_INFO: inspected = inspect_tcp_info(level, optname, data, ret); break; # endif } break; diff --git a/ext/socket/rubysocket.h b/ext/socket/rubysocket.h index a4fced8ca4..8beffd2e76 100644 --- a/ext/socket/rubysocket.h +++ b/ext/socket/rubysocket.h @@ -39,6 +39,9 @@ # ifdef HAVE_NETINET_TCP_H # include # endif +# ifdef HAVE_NETINET_TCP_FSM_H +# include +# endif # ifdef HAVE_NETINET_UDP_H # include # endif -- cgit v1.2.3