void zmq::ipc_connecter_t::start_connecting ()
{
// Open the connecting socket.
int rc = open ();
// Connect may succeed in synchronous manner.
if (rc == 0) {
handle = add_fd (s);
handle_valid = true;
out_event ();
}
// Connection establishment may be delayed. Poll for its completion.
else
if (rc == -1 && errno == EINPROGRESS) {
handle = add_fd (s);
handle_valid = true;
set_pollout (handle);
socket->event_connect_delayed (endpoint, zmq_errno());
}
// Handle any other error condition by eventual reconnect.
else {
if (s != retired_fd)
close ();
add_reconnect_timer ();
}
}
void zmq::ipc_connecter_t::process_plug ()
{
if (delayed_start)
add_reconnect_timer ();
else
start_connecting ();
}
void zmq::tcp_connecter_t::out_event ()
{
bool is_interruped = false;
fd_t fd = connect(&is_interruped);
if (is_interruped)
{
return;
}
rm_fd (handle);
handle_valid = false;
// Handle the error condition by attempt to reconnect.
if (fd == retired_fd) {
close ();
wait = true;
add_reconnect_timer();
return;
}
tune_tcp_socket (fd);
tune_tcp_keepalives (fd, options.tcp_keepalive, options.tcp_keepalive_cnt, options.tcp_keepalive_idle, options.tcp_keepalive_intvl);
// Create the engine object for this connection.
stream_engine_t *engine = new (std::nothrow) stream_engine_t (fd, options);
alloc_assert (engine);
// Attach the engine to the corresponding session object.
send_attach (session, engine);
// Shut the connecter down.
terminate ();
session->monitor_event (ZMQ_EVENT_CONNECTED, endpoint.c_str(), fd);
}
void zmq::ipc_connecter_t::out_event ()
{
fd_t fd = connect ();
rm_fd (handle);
handle_valid = false;
// Handle the error condition by attempt to reconnect.
if (fd == retired_fd) {
close ();
add_reconnect_timer();
return;
}
// Create the engine object for this connection.
stream_engine_t *engine = new (std::nothrow)
stream_engine_t (fd, options, endpoint);
alloc_assert (engine);
// Attach the engine to the corresponding session object.
send_attach (session, engine);
// Shut the connecter down.
terminate ();
socket->event_connected (endpoint, fd);
}
void zmq::tcp_connecter_t::start_connecting ()
{
// Open the connecting socket.
int rc = open ();
// Connect may succeed in synchronous manner.
if (rc == 0) {
handle = add_fd (s);
handle_valid = true;
out_event ();
return;
}
// Connection establishment may be delayed. Poll for its completion.
else if (rc == -1 && errno == EINPROGRESS) {
handle = add_fd (s);
handle_valid = true;
set_pollout (handle);
session->monitor_event (ZMQ_EVENT_CONNECT_DELAYED, endpoint.c_str(), zmq_errno());
return;
}
// Handle any other error condition by eventual reconnect.
close ();
wait = true;
add_reconnect_timer();
}
void zmq::tcp_connecter_t::process_plug ()
{
if (wait)
add_reconnect_timer();
else
start_connecting ();
}
void zmq::tcp_connecter_t::out_event ()
{
rm_fd (handle);
handle_valid = false;
const fd_t fd = connect ();
// Handle the error condition by attempt to reconnect.
if (fd == retired_fd) {
close ();
add_reconnect_timer ();
return;
}
tune_tcp_socket (fd);
tune_tcp_keepalives (fd, options.tcp_keepalive, options.tcp_keepalive_cnt, options.tcp_keepalive_idle, options.tcp_keepalive_intvl);
// remember our fd for ZMQ_SRCFD in messages
socket->set_fd (fd);
// Create the engine object for this connection.
stream_engine_t *engine = new (std::nothrow)
stream_engine_t (fd, options, endpoint);
alloc_assert (engine);
// Attach the engine to the corresponding session object.
send_attach (session, engine);
// Shut the connecter down.
terminate ();
socket->event_connected (endpoint, fd);
}
void zmq::zmq_connecter_t::out_event ()
{
fd_t fd = tcp_connecter.connect ();
rm_fd (handle);
handle_valid = false;
// Handle the error condition by attempt to reconnect.
if (fd == retired_fd) {
tcp_connecter.close ();
wait = true;
add_reconnect_timer();
return;
}
// Choose I/O thread to run connecter in. Given that we are already
// running in an I/O thread, there must be at least one available.
io_thread_t *io_thread = choose_io_thread (options.affinity);
zmq_assert (io_thread);
// Create an init object.
zmq_init_t *init = new (std::nothrow) zmq_init_t (io_thread, NULL,
session, fd, options);
alloc_assert (init);
launch_sibling (init);
// Shut the connecter down.
terminate ();
}
void zmq::zmq_connecter_t::start_connecting ()
{
// Open the connecting socket.
int rc = tcp_connecter.open ();
// Connect may succeed in synchronous manner.
if (rc == 0) {
handle = add_fd (tcp_connecter.get_fd ());
handle_valid = true;
out_event ();
return;
}
// Connection establishment may be dealyed. Poll for its completion.
else if (rc == -1 && errno == EAGAIN) {
handle = add_fd (tcp_connecter.get_fd ());
handle_valid = true;
set_pollout (handle);
return;
}
// Handle any other error condition by eventual reconnect.
wait = true;
add_reconnect_timer();
}
void zmq::tcp_connecter_t::out_event ()
{
if (connect_timer_started) {
cancel_timer (connect_timer_id);
connect_timer_started = false;
}
rm_handle ();
const fd_t fd = connect ();
// Handle the error condition by attempt to reconnect.
if (fd == retired_fd || !tune_socket (fd)) {
close ();
add_reconnect_timer ();
return;
}
// Create the engine object for this connection.
stream_engine_t *engine =
new (std::nothrow) stream_engine_t (fd, options, endpoint);
alloc_assert (engine);
// Attach the engine to the corresponding session object.
send_attach (session, engine);
// Shut the connecter down.
terminate ();
socket->event_connected (endpoint, (int) fd);
}
void zmq::tcp_connecter_t::timer_event (int id_)
{
zmq_assert (id_ == reconnect_timer_id || id_ == connect_timer_id);
if (id_ == connect_timer_id) {
connect_timer_started = false;
rm_handle ();
close ();
add_reconnect_timer ();
} else if (id_ == reconnect_timer_id) {
reconnect_timer_started = false;
start_connecting ();
}
}
void zmq::vmci_connecter_t::start_connecting ()
{
// Open the connecting socket.
int rc = open ();
// Connect may succeed in synchronous manner.
if (rc == 0) {
handle = add_fd (s);
handle_valid = true;
out_event ();
}
// Handle any other error condition by eventual reconnect.
else {
if (s != retired_fd)
close ();
add_reconnect_timer ();
}
}
void zmq::vmci_connecter_t::out_event ()
{
fd_t fd = connect ();
rm_fd (handle);
handle_valid = false;
// Handle the error condition by attempt to reconnect.
if (fd == retired_fd) {
close ();
add_reconnect_timer();
return;
}
tune_vmci_buffer_size (this->get_ctx (), fd, options.vmci_buffer_size,
options.vmci_buffer_min_size, options.vmci_buffer_max_size);
if (options.vmci_connect_timeout > 0)
{
#if defined ZMQ_HAVE_WINDOWS
tune_vmci_connect_timeout (this->get_ctx (), fd, options.vmci_connect_timeout);
#else
struct timeval timeout = {0, options.vmci_connect_timeout * 1000};
tune_vmci_connect_timeout (this->get_ctx (), fd, timeout);
#endif
}
// Create the engine object for this connection.
stream_engine_t *engine = new (std::nothrow)
stream_engine_t (fd, options, endpoint);
alloc_assert (engine);
// Attach the engine to the corresponding session object.
send_attach (session, engine);
// Shut the connecter down.
terminate ();
socket->event_connected (endpoint, fd);
}
