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author | Micael Karlberg <[email protected]> | 2018-05-08 12:36:35 +0200 |
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committer | Micael Karlberg <[email protected]> | 2018-09-18 13:01:37 +0200 |
commit | d6b051d9b09aeba00d1bbd0d448dde6e551c4442 (patch) | |
tree | f550f2dfe8a5689f8503ee05494c7c742948d048 /erts/emulator/nifs/common/socket_nif.c | |
parent | fece5e536ba4e814bcfe5896e23c2ef979468c7b (diff) | |
download | otp-d6b051d9b09aeba00d1bbd0d448dde6e551c4442.tar.gz otp-d6b051d9b09aeba00d1bbd0d448dde6e551c4442.tar.bz2 otp-d6b051d9b09aeba00d1bbd0d448dde6e551c4442.zip |
[socket-nif] More setopt - udp
Add setopt for one udp option: cork. This is not
platform independent. Aas fas as I know, it only works
on linux, so for now this serves as a placeholder.
Diffstat (limited to 'erts/emulator/nifs/common/socket_nif.c')
-rw-r--r-- | erts/emulator/nifs/common/socket_nif.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/erts/emulator/nifs/common/socket_nif.c b/erts/emulator/nifs/common/socket_nif.c index 9887047135..14d7cd2611 100644 --- a/erts/emulator/nifs/common/socket_nif.c +++ b/erts/emulator/nifs/common/socket_nif.c @@ -133,6 +133,7 @@ #endif #include <netinet/tcp.h> +#include <netinet/udp.h> #include <arpa/inet.h> #include <sys/param.h> @@ -372,6 +373,8 @@ typedef union { #define SOCKET_OPT_TCP_MAXSEG 1 #define SOCKET_OPT_TCP_NODELAY 2 +#define SOCKET_OPT_UDP_CORK 0 + #define SOCKET_OPT_SCTP_AUTOCLOSE 7 #define SOCKET_OPT_SCTP_NODELAY 22 @@ -3625,8 +3628,8 @@ BOOLEAN_T eoptval2optval_tcp(ErlNifEnv* env, /* +++ decode UDP socket options +++ - * Currently there are no such options, so this function - * is just a placeholder! + * Currently there are only one option, cork, and that may only + * work on linux... */ static BOOLEAN_T eoptval2optval_udp(ErlNifEnv* env, @@ -3636,6 +3639,20 @@ BOOLEAN_T eoptval2optval_udp(ErlNifEnv* env, SocketOptValue* valP) { switch (eOpt) { +#if defined(UDP_CORK) + case SOCKET_OPT_UDP_CORK: + if (decode_bool(env, eVal, &valP->u.boolVal)) { + valP->tag = SOCKET_OPT_VALUE_BOOL; + *opt = UDP_CORK; + return TRUE; + } else { + valP->tag = SOCKET_OPT_VALUE_UNDEF; + *opt = -1; + return FALSE; + } + break; +#endif + default: *opt = -1; valP->tag = SOCKET_OPT_VALUE_UNDEF; |