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/*
*
* Copyright 2015-2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "src/core/iomgr/tcp_client.h"
#include <errno.h>
#include <netinet/in.h>
#include <string.h>
#include <sys/socket.h>
#include <unistd.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include "src/core/iomgr/iomgr.h"
#include "src/core/iomgr/socket_utils_posix.h"
#include "src/core/iomgr/timer.h"
#include "test/core/util/test_config.h"
static grpc_pollset_set *g_pollset_set;
static gpr_mu *g_mu;
static grpc_pollset *g_pollset;
static int g_connections_complete = 0;
static grpc_endpoint *g_connecting = NULL;
static gpr_timespec test_deadline(void) {
return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
}
static void finish_connection() {
gpr_mu_lock(g_mu);
g_connections_complete++;
grpc_pollset_kick(g_pollset, NULL);
gpr_mu_unlock(g_mu);
}
static void must_succeed(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
GPR_ASSERT(g_connecting != NULL);
GPR_ASSERT(success);
grpc_endpoint_shutdown(exec_ctx, g_connecting);
grpc_endpoint_destroy(exec_ctx, g_connecting);
g_connecting = NULL;
finish_connection();
}
static void must_fail(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
GPR_ASSERT(g_connecting == NULL);
GPR_ASSERT(!success);
finish_connection();
}
void test_succeeds(void) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);
int svr_fd;
int r;
int connections_complete_before;
grpc_closure done;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_DEBUG, "test_succeeds");
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
/* create a dummy server */
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
GPR_ASSERT(0 == listen(svr_fd, 1));
gpr_mu_lock(g_mu);
connections_complete_before = g_connections_complete;
gpr_mu_unlock(g_mu);
/* connect to it */
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
grpc_closure_init(&done, must_succeed, NULL);
grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
(struct sockaddr *)&addr, addr_len,
gpr_inf_future(GPR_CLOCK_REALTIME));
/* await the connection */
do {
addr_len = sizeof(addr);
r = accept(svr_fd, (struct sockaddr *)&addr, &addr_len);
} while (r == -1 && errno == EINTR);
GPR_ASSERT(r >= 0);
close(r);
gpr_mu_lock(g_mu);
while (g_connections_complete == connections_complete_before) {
grpc_pollset_worker *worker = NULL;
grpc_pollset_work(&exec_ctx, g_pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC),
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5));
gpr_mu_unlock(g_mu);
grpc_exec_ctx_flush(&exec_ctx);
gpr_mu_lock(g_mu);
}
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
}
void test_fails(void) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);
int connections_complete_before;
grpc_closure done;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_DEBUG, "test_fails");
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
gpr_mu_lock(g_mu);
connections_complete_before = g_connections_complete;
gpr_mu_unlock(g_mu);
/* connect to a broken address */
grpc_closure_init(&done, must_fail, NULL);
grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
(struct sockaddr *)&addr, addr_len,
gpr_inf_future(GPR_CLOCK_REALTIME));
gpr_mu_lock(g_mu);
/* wait for the connection callback to finish */
while (g_connections_complete == connections_complete_before) {
grpc_pollset_worker *worker = NULL;
gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
gpr_timespec polling_deadline = test_deadline();
if (!grpc_timer_check(&exec_ctx, now, &polling_deadline)) {
grpc_pollset_work(&exec_ctx, g_pollset, &worker, now, polling_deadline);
}
gpr_mu_unlock(g_mu);
grpc_exec_ctx_flush(&exec_ctx);
gpr_mu_lock(g_mu);
}
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
}
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, bool success) {
grpc_pollset_destroy(p);
}
int main(int argc, char **argv) {
grpc_closure destroyed;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_test_init(argc, argv);
grpc_init();
g_pollset_set = grpc_pollset_set_create();
g_pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(g_pollset, &g_mu);
grpc_pollset_set_add_pollset(&exec_ctx, g_pollset_set, g_pollset);
grpc_exec_ctx_finish(&exec_ctx);
test_succeeds();
gpr_log(GPR_ERROR, "End of first test");
test_fails();
grpc_pollset_set_destroy(g_pollset_set);
grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
grpc_exec_ctx_finish(&exec_ctx);
grpc_shutdown();
gpr_free(g_pollset);
return 0;
}
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