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| author | Micael Karlberg <[email protected]> | 2018-07-12 11:22:53 +0200 |
|---|---|---|
| committer | Micael Karlberg <[email protected]> | 2018-09-18 14:50:18 +0200 |
| commit | ca81f1d1602cf994fca9fcd61e892c76e4e2742c (patch) | |
| tree | 0c13550d6ac34dec6bc0604f88c2ecc2863ba507 /erts/emulator | |
| parent | 0122d2cafdb6f44c221796f1a6b2a5188dfb153d (diff) | |
| download | otp-ca81f1d1602cf994fca9fcd61e892c76e4e2742c.tar.gz otp-ca81f1d1602cf994fca9fcd61e892c76e4e2742c.tar.bz2 otp-ca81f1d1602cf994fca9fcd61e892c76e4e2742c.zip | |
[socket-nif] Add support for socket (level ip) option recvttl
Added support for the IP option RECVTTL.
OTP-14831
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/nifs/common/socket_nif.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/erts/emulator/nifs/common/socket_nif.c b/erts/emulator/nifs/common/socket_nif.c index 0972834cb2..22ac124802 100644 --- a/erts/emulator/nifs/common/socket_nif.c +++ b/erts/emulator/nifs/common/socket_nif.c @@ -372,6 +372,7 @@ typedef union { #define SOCKET_OPT_IP_MULTICAST_TTL 16 #define SOCKET_OPT_IP_NODEFRAG 17 #define SOCKET_OPT_IP_RECVTOS 25 +#define SOCKET_OPT_IP_RECVTTL 26 #define SOCKET_OPT_IP_ROUTER_ALERT 28 #define SOCKET_OPT_IP_TOS 30 #define SOCKET_OPT_IP_TTL 32 @@ -904,6 +905,11 @@ static ERL_NIF_TERM nsetopt_lvl_ip_recvtos(ErlNifEnv* env, SocketDescriptor* descP, ERL_NIF_TERM eVal); #endif +#if defined(IP_RECVTTL) +static ERL_NIF_TERM nsetopt_lvl_ip_recvttl(ErlNifEnv* env, + SocketDescriptor* descP, + ERL_NIF_TERM eVal); +#endif #if defined(IP_ROUTER_ALERT) static ERL_NIF_TERM nsetopt_lvl_ip_router_alert(ErlNifEnv* env, SocketDescriptor* descP, @@ -1099,6 +1105,10 @@ static ERL_NIF_TERM ngetopt_lvl_ip_nodefrag(ErlNifEnv* env, static ERL_NIF_TERM ngetopt_lvl_ip_recvtos(ErlNifEnv* env, SocketDescriptor* descP); #endif +#if defined(IP_RECVTTL) +static ERL_NIF_TERM ngetopt_lvl_ip_recvttl(ErlNifEnv* env, + SocketDescriptor* descP); +#endif #if defined(IP_ROUTER_ALERT) static ERL_NIF_TERM ngetopt_lvl_ip_router_alert(ErlNifEnv* env, SocketDescriptor* descP); @@ -4101,6 +4111,12 @@ ERL_NIF_TERM nsetopt_lvl_ip(ErlNifEnv* env, break; #endif +#if defined(IP_RECVTTL) + case SOCKET_OPT_IP_RECVTTL: + result = nsetopt_lvl_ip_recvttl(env, descP, eVal); + break; +#endif + #if defined(IP_ROUTER_ALERT) case SOCKET_OPT_IP_ROUTER_ALERT: result = nsetopt_lvl_ip_router_alert(env, descP, eVal); @@ -4398,6 +4414,25 @@ ERL_NIF_TERM nsetopt_lvl_ip_recvtos(ErlNifEnv* env, #endif +/* nsetopt_lvl_ip_recvttl - Level IP RECVTTL option + */ +#if defined(IP_RECVTTL) +static +ERL_NIF_TERM nsetopt_lvl_ip_recvttl(ErlNifEnv* env, + SocketDescriptor* descP, + ERL_NIF_TERM eVal) +{ +#if defined(SOL_IP) + int level = SOL_IP; +#else + int level = IPPROTO_IP; +#endif + + return nsetopt_bool_opt(env, descP, level, IP_RECVTTL, eVal); +} +#endif + + /* nsetopt_lvl_ip_router_alert - Level IP ROUTER_ALERT option */ #if defined(IP_ROUTER_ALERT) @@ -5656,6 +5691,12 @@ ERL_NIF_TERM ngetopt_lvl_ip(ErlNifEnv* env, break; #endif +#if defined(IP_RECVTTL) + case SOCKET_OPT_IP_RECVTTL: + result = ngetopt_lvl_ip_recvttl(env, descP); + break; +#endif + #if defined(IP_ROUTER_ALERT) case SOCKET_OPT_IP_ROUTER_ALERT: result = ngetopt_lvl_ip_router_alert(env, descP); @@ -5862,6 +5903,24 @@ ERL_NIF_TERM ngetopt_lvl_ip_recvtos(ErlNifEnv* env, #endif +/* ngetopt_lvl_ip_recvttl - Level IP RECVTTL option + */ +#if defined(IP_RECVTTL) +static +ERL_NIF_TERM ngetopt_lvl_ip_recvttl(ErlNifEnv* env, + SocketDescriptor* descP) +{ +#if defined(SOL_IP) + int level = SOL_IP; +#else + int level = IPPROTO_IP; +#endif + + return ngetopt_bool_opt(env, descP, level, IP_RECVTTL); +} +#endif + + /* ngetopt_lvl_ip_router_alert - Level IP ROUTER_ALERT option */ #if defined(IP_ROUTER_ALERT) |