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Identities re-introduced

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However, the "durable socket" behaviour wasn't re-added.
Identities are used solely for routing in REQ/REP pattern.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
This commit is contained in:
Martin Sustrik
2011-11-04 08:00:47 +01:00
parent d20ea25b8c
commit a4843b65d2
14 changed files with 154 additions and 63 deletions
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20
src/session_base.cpp
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@@ -112,7 +112,9 @@ zmq::session_base_t::session_base_t (class io_thread_t *io_thread_,
engine (NULL),
socket (socket_),
io_thread (io_thread_),
has_linger_timer (false)
has_linger_timer (false),
send_identity (options_.send_identity),
recv_identity (options_.recv_identity)
{
if (protocol_)
protocol = protocol_;
@@ -146,6 +148,16 @@ void zmq::session_base_t::attach_pipe (pipe_t *pipe_)
int zmq::session_base_t::read (msg_t *msg_)
{
// First message to send is identity (if required).
if (send_identity) {
zmq_assert (!(msg_->flags () & msg_t::more));
msg_->init_size (options.identity_size);
memcpy (msg_->data (), options.identity, options.identity_size);
send_identity = false;
incomplete_in = false;
return 0;
}
if (!pipe || !pipe->read (msg_)) {
errno = EAGAIN;
return -1;
@@ -157,6 +169,12 @@ int zmq::session_base_t::read (msg_t *msg_)
int zmq::session_base_t::write (msg_t *msg_)
{
// First message to receive is identity (if required).
if (recv_identity) {
msg_->set_flags (msg_t::identity);
recv_identity = false;
}
if (pipe && pipe->write (msg_)) {
int rc = msg_->init ();
errno_assert (rc == 0);