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https://github.com/zeromq/libzmq.git
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dd5eec35be
Lets the application set per-connection metadata. Metadata is specified as "X-key:value" and set using zmq_setsockopt, eg: zmq_setsockopt (s, ZMQ_METADATA, "X-key:value", 11); The peer can then obtain the metadata from a received message: char *data = zmq_msg_gets(msg, "X-key");
168 lines
5.3 KiB
C++
168 lines
5.3 KiB
C++
/*
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Copyright (c) 2007-2018 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq 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 (LGPL) as published
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by 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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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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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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#include "testutil.hpp"
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#include <unity.h>
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void setUp ()
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{
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}
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void tearDown ()
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{
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}
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void test_app_meta_reqrep ()
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{
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void *ctx;
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zmq_msg_t msg;
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void *rep_sock, *req_sock;
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const char *req_hello = "X-hello:hello";
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const char *req_connection = "X-connection:primary";
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const char *req_z85 = "X-bin:009c6";
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const char *rep_hello = "X-hello:world";
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const char *rep_connection = "X-connection:backup";
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const char *bad_strings[] = {
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":",
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"key:",
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":value",
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"keyvalue",
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"",
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"X-"
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"KeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKe"
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"yTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyT"
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"ooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyTooLongKeyToo"
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"LongKeyTooLongKeyTooLongKeyTooLongKeyTooLong:value"};
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ctx = zmq_ctx_new ();
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rep_sock = zmq_socket (ctx, ZMQ_REP);
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TEST_ASSERT_NOT_NULL (rep_sock);
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req_sock = zmq_socket (ctx, ZMQ_REQ);
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TEST_ASSERT_NOT_NULL (req_sock);
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int rc =
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zmq_setsockopt (rep_sock, ZMQ_METADATA, rep_hello, strlen (rep_hello));
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TEST_ASSERT_EQUAL_INT (0, rc);
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int l = 0;
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rc = zmq_setsockopt (rep_sock, ZMQ_LINGER, &l, sizeof (l));
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_setsockopt (rep_sock, ZMQ_METADATA, rep_connection,
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strlen (rep_connection));
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TEST_ASSERT_EQUAL_INT (0, rc);
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for (int i = 0; i < 6; i++) {
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rc = zmq_setsockopt (rep_sock, ZMQ_METADATA, bad_strings[i],
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strlen (bad_strings[i]));
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TEST_ASSERT_EQUAL_INT (-1, rc);
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}
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rc = zmq_bind (rep_sock, "tcp://127.0.0.1:5555");
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TEST_ASSERT_EQUAL_INT (0, rc);
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l = 0;
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rc = zmq_setsockopt (req_sock, ZMQ_LINGER, &l, sizeof (l));
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_setsockopt (req_sock, ZMQ_METADATA, req_hello, strlen (req_hello));
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_setsockopt (req_sock, ZMQ_METADATA, req_connection,
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strlen (req_connection));
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_setsockopt (req_sock, ZMQ_METADATA, req_z85, strlen (req_z85));
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_connect (req_sock, "tcp://127.0.0.1:5555");
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_msg_init_size (&msg, 1);
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TEST_ASSERT_EQUAL_INT (0, rc);
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char *data = (char *) zmq_msg_data (&msg);
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data[0] = 1;
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rc = zmq_msg_send (&msg, req_sock, 0);
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TEST_ASSERT_EQUAL_INT (1, rc);
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rc = zmq_msg_init (&msg);
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_msg_recv (&msg, rep_sock, 0);
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TEST_ASSERT_EQUAL_INT (1, rc);
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TEST_ASSERT_EQUAL_STRING ("hello", zmq_msg_gets (&msg, "X-hello"));
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TEST_ASSERT_EQUAL_STRING ("primary", zmq_msg_gets (&msg, "X-connection"));
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char *bindata = (char *) zmq_msg_gets (&msg, "X-bin");
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TEST_ASSERT_NOT_NULL (bindata);
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uint8_t rawdata[4];
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void *ret = zmq_z85_decode (rawdata, bindata);
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TEST_ASSERT_NOT_NULL (ret);
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TEST_ASSERT_EQUAL_UINT8 (0, rawdata[0]);
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TEST_ASSERT_EQUAL_UINT8 (1, rawdata[1]);
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TEST_ASSERT_EQUAL_UINT8 (2, rawdata[2]);
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TEST_ASSERT_EQUAL_UINT8 (3, rawdata[3]);
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TEST_ASSERT_NULL (zmq_msg_gets (&msg, "X-foobar"));
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TEST_ASSERT_NULL (zmq_msg_gets (&msg, "foobar"));
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rc = zmq_msg_send (&msg, rep_sock, 0);
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TEST_ASSERT_EQUAL_INT (1, rc);
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rc = zmq_msg_recv (&msg, req_sock, 0);
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TEST_ASSERT_EQUAL_INT (1, rc);
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TEST_ASSERT_EQUAL_STRING ("world", zmq_msg_gets (&msg, "X-hello"));
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TEST_ASSERT_EQUAL_STRING ("backup", zmq_msg_gets (&msg, "X-connection"));
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rc = zmq_msg_close (&msg);
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_close (req_sock);
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TEST_ASSERT_EQUAL_INT (0, rc);
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rc = zmq_close (rep_sock);
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TEST_ASSERT_EQUAL_INT (0, rc);
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zmq_ctx_term (ctx);
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}
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int main ()
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_app_meta_reqrep);
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return UNITY_END ();
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}
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