diff options
Diffstat (limited to 'ext/socket/option.c')
| -rw-r--r-- | ext/socket/option.c | 266 |
1 files changed, 266 insertions, 0 deletions
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 @@ -1055,6 +1318,9 @@ sockopt_inspect(VALUE self) # 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; # endif |