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Multi-hop REQ/REP, part X., optional delayed creation of pipes during connect

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This commit is contained in:
Martin Sustrik
2010-02-14 13:34:48 +01:00
parent 4405250d93
commit 43620b3d35
6 changed files with 76 additions and 47 deletions
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59
src/socket_base.cpp
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@@ -141,6 +141,10 @@ int zmq::socket_base_t::connect (const char *addr_)
if (addr_type == "inproc") {
// TODO: inproc connect is specific with respect to creating pipes
// as there's no 'reconnect' functionality implemented. Once that
// is in place we should follow generic pipe creation algorithm.
// Find the peer socket.
socket_base_t *peer = find_endpoint (addr_args.c_str ());
if (!peer)
@@ -182,32 +186,38 @@ int zmq::socket_base_t::connect (const char *addr_)
this, options);
zmq_assert (session);
pipe_t *in_pipe = NULL;
pipe_t *out_pipe = NULL;
// If 'immediate connect' feature is required, we'll created the pipes
// to the session straight away. Otherwise, they'll be created by the
// session once the connection is established.
if (options.immediate_connect) {
// Create inbound pipe, if required.
if (options.requires_in) {
in_pipe = new (std::nothrow) pipe_t (this, session,
options.hwm, options.lwm);
zmq_assert (in_pipe);
pipe_t *in_pipe = NULL;
pipe_t *out_pipe = NULL;
// Create inbound pipe, if required.
if (options.requires_in) {
in_pipe = new (std::nothrow) pipe_t (this, session,
options.hwm, options.lwm);
zmq_assert (in_pipe);
}
// Create outbound pipe, if required.
if (options.requires_out) {
out_pipe = new (std::nothrow) pipe_t (session, this,
options.hwm, options.lwm);
zmq_assert (out_pipe);
}
// Attach the pipes to the socket object.
attach_pipes (in_pipe ? &in_pipe->reader : NULL,
out_pipe ? &out_pipe->writer : NULL);
// Attach the pipes to the session object.
session->attach_pipes (out_pipe ? &out_pipe->reader : NULL,
in_pipe ? &in_pipe->writer : NULL);
}
// Create outbound pipe, if required.
if (options.requires_out) {
out_pipe = new (std::nothrow) pipe_t (session, this,
options.hwm, options.lwm);
zmq_assert (out_pipe);
}
// Attach the pipes to the socket object.
attach_pipes (in_pipe ? &in_pipe->reader : NULL,
out_pipe ? &out_pipe->writer : NULL);
// Attach the pipes to the session object.
session->attach_pipes (out_pipe ? &out_pipe->reader : NULL,
in_pipe ? &in_pipe->writer : NULL);
// Activate the session.
send_plug (session);
send_own (this, session);
@@ -215,6 +225,8 @@ int zmq::socket_base_t::connect (const char *addr_)
if (addr_type == "tcp" || addr_type == "ipc") {
#if defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
// Windows named pipes are not compatible with Winsock API.
// There's no UNIX domain socket implementation on OpenVMS.
if (addr_type == "ipc") {
errno = EPROTONOSUPPORT;
return -1;
@@ -254,6 +266,9 @@ int zmq::socket_base_t::connect (const char *addr_)
if (addr_type == "udp")
udp_encapsulation = true;
// At this point we'll create message pipes to the session straight
// away. There's no point in delaying it as no concept of 'connect'
// exists with PGM anyway.
if (options.requires_out) {
// PGM sender.