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libzmq/tests/test_srcfd.cpp
Luca Boccassi da31917f4f Relicense from LGPL3 + exceptions to Mozilla Public License version 2.0
Relicense permission collected from all relevant authors as tallied at:
https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md
The relicense grants are collected under RELICENSE/ and will be moved
to the above repository in a later commit.

Fixes https://github.com/zeromq/libzmq/issues/2376
2023-06-05 20:31:47 +01:00

92 lines
2.2 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
#include <string.h>
SETUP_TEARDOWN_TESTCONTEXT
#define MSG_SIZE 20
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#endif
void test_srcfd ()
{
char my_endpoint[MAX_SOCKET_STRING];
// Create the infrastructure
void *rep = test_context_socket (ZMQ_REP);
void *req = test_context_socket (ZMQ_REQ);
bind_loopback_ipv4 (rep, my_endpoint, sizeof (my_endpoint));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (req, my_endpoint));
char tmp[MSG_SIZE];
memset (tmp, 0, MSG_SIZE);
zmq_send (req, tmp, MSG_SIZE, 0);
zmq_msg_t msg;
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_init (&msg));
zmq_recvmsg (rep, &msg, 0);
TEST_ASSERT_EQUAL_UINT (MSG_SIZE, zmq_msg_size (&msg));
// get the messages source file descriptor
int src_fd = zmq_msg_get (&msg, ZMQ_SRCFD);
TEST_ASSERT_GREATER_OR_EQUAL (0, src_fd);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
// get the remote endpoint
struct sockaddr_storage ss;
#ifdef ZMQ_HAVE_HPUX
int addrlen = sizeof ss;
#else
socklen_t addrlen = sizeof ss;
#endif
TEST_ASSERT_SUCCESS_RAW_ERRNO (
getpeername (src_fd, (struct sockaddr *) &ss, &addrlen));
char host[NI_MAXHOST];
TEST_ASSERT_SUCCESS_RAW_ERRNO (getnameinfo ((struct sockaddr *) &ss,
addrlen, host, sizeof host,
NULL, 0, NI_NUMERICHOST));
// assert it is localhost which connected
TEST_ASSERT_EQUAL_STRING ("127.0.0.1", host);
test_context_socket_close (rep);
test_context_socket_close (req);
// sleep a bit for the socket to be freed
msleep (SETTLE_TIME);
// getting name from closed socket will fail
#ifdef ZMQ_HAVE_WINDOWS
const int expected_errno = WSAENOTSOCK;
#else
const int expected_errno = EBADF;
#endif
TEST_ASSERT_FAILURE_RAW_ERRNO (
expected_errno, getpeername (src_fd, (struct sockaddr *) &ss, &addrlen));
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_srcfd);
return UNITY_END ();
}