generic-library/libzmq
1
0
Fork 0
mirror of https://github.com/zeromq/libzmq.git synced 2025-10-15 23:20:09 +02:00
Code Issues Projects Releases Wiki Activity

ZMQII-39: Implement IPC transport

Browse Source
This commit is contained in:
Martin Sustrik
2010-01-15 14:11:39 +01:00
parent 56c369272c
commit 2bb57ac57a
24 changed files with 319 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

117
src/tcp_connecter.cpp
View File

@@ -17,6 +17,8 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <string>
#include "tcp_connecter.hpp"
@@ -38,10 +40,13 @@ zmq::tcp_connecter_t::~tcp_connecter_t ()
close ();
}
int zmq::tcp_connecter_t::set_address (const char *addr_)
int zmq::tcp_connecter_t::set_address (const char *protocol_, const char *addr_)
{
// Convert the hostname into sockaddr_in structure.
return resolve_ip_hostname (&addr, addr_);
if (strcmp (protocol_, "tcp") == 0)
return resolve_ip_hostname ((sockaddr_in*) &addr, addr_);
errno = EPROTONOSUPPORT;
return -1;
}
int zmq::tcp_connecter_t::open ()
@@ -67,7 +72,7 @@ int zmq::tcp_connecter_t::open ()
wsa_assert (rc != SOCKET_ERROR);
// Connect to the remote peer.
rc = ::connect (s, (sockaddr*) &addr, sizeof addr);
rc = ::connect (s, (sockaddr*) &addr, sizeof (sockaddr_in));
// Connect was successfull immediately.
if (rc == 0)
@@ -143,58 +148,94 @@ zmq::tcp_connecter_t::~tcp_connecter_t ()
close ();
}
int zmq::tcp_connecter_t::set_address (const char *addr_)
int zmq::tcp_connecter_t::set_address (const char *protocol_, const char *addr_)
{
// Convert the hostname into sockaddr_in structure.
return resolve_ip_hostname (&addr, addr_);
if (strcmp (protocol_, "tcp") == 0)
return resolve_ip_hostname ((struct sockaddr_in*)&addr, addr_);
else if (strcmp (protocol_, "ipc") == 0)
return resolve_local_path (( struct sockaddr_un*)&addr, addr_);
errno = EPROTONOSUPPORT;
return -1;
}
int zmq::tcp_connecter_t::open ()
{
zmq_assert (s == retired_fd);
struct sockaddr *sa = (struct sockaddr*) &addr;
// Create the socket.
s = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s == -1)
return -1;
if (AF_INET == sa->sa_family) {
// Set to non-blocking mode.
int flags = fcntl (s, F_GETFL, 0);
if (flags == -1)
flags = 0;
int rc = fcntl (s, F_SETFL, flags | O_NONBLOCK);
errno_assert (rc != -1);
// Create the socket.
s = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s == -1)
return -1;
// Disable Nagle's algorithm.
int flag = 1;
rc = setsockopt (s, IPPROTO_TCP, TCP_NODELAY, (char*) &flag, sizeof (int));
errno_assert (rc == 0);
// Set to non-blocking mode.
int flags = fcntl (s, F_GETFL, 0);
if (flags == -1)
flags = 0;
int rc = fcntl (s, F_SETFL, flags | O_NONBLOCK);
errno_assert (rc != -1);
// Disable Nagle's algorithm.
int flag = 1;
rc = setsockopt (s, IPPROTO_TCP, TCP_NODELAY, (char*) &flag, sizeof (int));
errno_assert (rc == 0);
#ifdef ZMQ_HAVE_OPENVMS
// Disable delayed acknowledgements.
flag = 1;
rc = setsockopt (s, IPPROTO_TCP, TCP_NODELACK, (char*) &flag, sizeof (int));
errno_assert (rc != SOCKET_ERROR);
// Disable delayed acknowledgements.
flag = 1;
rc = setsockopt (s, IPPROTO_TCP, TCP_NODELACK, (char*) &flag, sizeof (int));
errno_assert (rc != SOCKET_ERROR);
#endif
// Connect to the remote peer.
rc = ::connect (s, (sockaddr*) &addr, sizeof (addr));
// Connect to the remote peer.
rc = ::connect (s, (struct sockaddr*) &addr, sizeof (sockaddr_in));
// Connect was successfull immediately.
if (rc == 0)
return 0;
// Connect was successfull immediately.
if (rc == 0)
return 0;
// Asynchronous connect was launched.
if (rc == -1 && errno == EINPROGRESS) {
errno = EAGAIN;
// Asynchronous connect was launched.
if (rc == -1 && errno == EINPROGRESS) {
errno = EAGAIN;
return -1;
}
// Error occured.
int err = errno;
close ();
errno = err;
return -1;
}
else if (AF_LOCAL == sa->sa_family) {
s = socket (AF_LOCAL, SOCK_STREAM, 0);
if (s == -1)
return -1;
// Set the non-blocking flag.
int flag = fcntl (s, F_GETFL, 0);
if (flag == -1)
flag = 0;
int rc = fcntl (s, F_SETFL, flag | O_NONBLOCK);
errno_assert (rc != -1);
// Connect to the remote peer.
rc = ::connect (s, (struct sockaddr*) &addr, sizeof (sockaddr_un));
// Connect was successfull immediately.
if (rc == 0)
return 0;
// Error occured.
int err = errno;
close ();
errno = err;
return -1;
}
// Error occured.
int err = errno;
close ();
errno = err;
return -1;
zmq_assert (false);
}
int zmq::tcp_connecter_t::close ()