generic-library/libzmq
1
0
Fork 0
mirror of https://github.com/zeromq/libzmq.git synced 2025-10-15 07:14:49 +02:00
Code Issues Projects Releases Wiki Activity

Set socket buffers before establishing TCP connection

Browse Source 
The window scale option carried in SYN segment is computed from socket's
receive buffer size. So we need to set this buffer size before calling
connect or bind.
This commit is contained in:
Martin Hurton
2013-06-30 06:41:36 +02:00
parent aef2171e83
commit afe9afa2a5
5 changed files with 40 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/tcp.cpp
View File

@@ -59,6 +59,28 @@ void zmq::tune_tcp_socket (fd_t s_)
#endif
}
void zmq::set_tcp_send_buffer (fd_t sockfd_, int bufsize_)
{
const int rc = setsockopt (sockfd_, SOL_SOCKET, SO_SNDBUF,
(char*) &bufsize_, sizeof bufsize_);
#ifdef ZMQ_HAVE_WINDOWS
wsa_assert (rc != SOCKET_ERROR);
#else
errno_assert (rc == 0);
#endif
}
void zmq::set_tcp_receive_buffer (fd_t sockfd_, int bufsize_)
{
const int rc = setsockopt (sockfd_, SOL_SOCKET, SO_RCVBUF,
(char*) &bufsize_, sizeof bufsize_);
#ifdef ZMQ_HAVE_WINDOWS
wsa_assert (rc != SOCKET_ERROR);
#else
errno_assert (rc == 0);
#endif
}
void zmq::tune_tcp_keepalives (fd_t s_, int keepalive_, int keepalive_cnt_, int keepalive_idle_, int keepalive_intvl_)
{
// These options are used only under certain #ifdefs below.