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https://github.com/zeromq/libzmq.git
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7832addd20
RFC23, RFC24, RFC26 now use variable-length command names that end in null octet (valid C strings) instead of fixed-length space padded strings.
112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
/*
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Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TESTUTIL_HPP_INCLUDED__
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#define __TESTUTIL_HPP_INCLUDED__
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#include "../include/zmq.h"
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#include <string.h>
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#undef NDEBUG
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#include <assert.h>
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// Bounce a message from client to server and back
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// For REQ/REP or DEALER/DEALER pairs only
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static void
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bounce (void *server, void *client)
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{
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const char *content = "12345678ABCDEFGH12345678abcdefgh";
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// Send message from client to server
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int rc = zmq_send (client, content, 32, ZMQ_SNDMORE);
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assert (rc == 32);
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rc = zmq_send (client, content, 32, 0);
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assert (rc == 32);
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// Receive message at server side
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char buffer [32];
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rc = zmq_recv (server, buffer, 32, 0);
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assert (rc == 32);
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int rcvmore;
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size_t sz = sizeof (rcvmore);
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rc = zmq_getsockopt (server, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (rcvmore);
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rc = zmq_recv (server, buffer, 32, 0);
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assert (rc == 32);
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rc = zmq_getsockopt (server, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (!rcvmore);
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// Send two parts back to client
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rc = zmq_send (server, buffer, 32, ZMQ_SNDMORE);
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assert (rc == 32);
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rc = zmq_send (server, buffer, 32, 0);
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assert (rc == 32);
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// Receive the two parts at the client side
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rc = zmq_recv (client, buffer, 32, 0);
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assert (rc == 32);
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rc = zmq_getsockopt (client, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (rcvmore);
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rc = zmq_recv (client, buffer, 32, 0);
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assert (rc == 32);
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rc = zmq_getsockopt (client, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (!rcvmore);
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// Check that message is still the same
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assert (memcmp (buffer, content, 32) == 0);
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}
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// Receive 0MQ string from socket and convert into C string
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// Caller must free returned string. Returns NULL if the context
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// is being terminated.
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char *
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s_recv (void *socket) {
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char buffer [256];
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int size = zmq_recv (socket, buffer, 255, 0);
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if (size == -1)
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return NULL;
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if (size > 255)
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size = 255;
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buffer [size] = 0;
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return strdup (buffer);
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}
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// Convert C string to 0MQ string and send to socket
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int
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s_send (void *socket, const char *string) {
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int size = zmq_send (socket, string, strlen (string), 0);
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return size;
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}
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// Sends string as 0MQ string, as multipart non-terminal
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int
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s_sendmore (void *socket, const char *string) {
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int size = zmq_send (socket, string, strlen (string), ZMQ_SNDMORE);
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return size;
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}
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#define streq(s1,s2) (!strcmp ((s1), (s2)))
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#define strneq(s1,s2) (strcmp ((s1), (s2)))
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#endif
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