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/*
*
* Copyright 2015, 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_server.h"
#include "src/core/iomgr/iomgr.h"
#include <grpc/support/log.h>
#include <grpc/support/sync.h>
#include <grpc/support/time.h>
#include "test/core/util/test_config.h"
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <unistd.h>
#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
static grpc_pollset g_pollset;
static int g_nconnects = 0;
static void on_connect(void *arg, grpc_endpoint *tcp) {
grpc_endpoint_shutdown(tcp);
grpc_endpoint_destroy(tcp);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
g_nconnects++;
grpc_pollset_kick(&g_pollset);
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
}
static void test_no_op(void) {
grpc_tcp_server *s = grpc_tcp_server_create();
grpc_tcp_server_destroy(s, NULL, NULL);
}
static void test_no_op_with_start(void) {
grpc_tcp_server *s = grpc_tcp_server_create();
LOG_TEST("test_no_op_with_start");
grpc_tcp_server_start(s, NULL, 0, on_connect, NULL);
grpc_tcp_server_destroy(s, NULL, NULL);
}
static void test_no_op_with_port(void) {
struct sockaddr_in addr;
grpc_tcp_server *s = grpc_tcp_server_create();
LOG_TEST("test_no_op_with_port");
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
GPR_ASSERT(
grpc_tcp_server_add_port(s, (struct sockaddr *)&addr, sizeof(addr)));
grpc_tcp_server_destroy(s, NULL, NULL);
}
static void test_no_op_with_port_and_start(void) {
struct sockaddr_in addr;
grpc_tcp_server *s = grpc_tcp_server_create();
LOG_TEST("test_no_op_with_port_and_start");
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
GPR_ASSERT(
grpc_tcp_server_add_port(s, (struct sockaddr *)&addr, sizeof(addr)));
grpc_tcp_server_start(s, NULL, 0, on_connect, NULL);
grpc_tcp_server_destroy(s, NULL, NULL);
}
static void test_connect(int n) {
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
int svrfd, clifd;
grpc_tcp_server *s = grpc_tcp_server_create();
int nconnects_before;
gpr_timespec deadline;
grpc_pollset *pollsets[1];
int i;
LOG_TEST("test_connect");
gpr_log(GPR_INFO, "clients=%d", n);
memset(&addr, 0, sizeof(addr));
addr.ss_family = AF_INET;
GPR_ASSERT(grpc_tcp_server_add_port(s, (struct sockaddr *)&addr, addr_len));
svrfd = grpc_tcp_server_get_fd(s, 0);
GPR_ASSERT(svrfd >= 0);
GPR_ASSERT(getsockname(svrfd, (struct sockaddr *)&addr, &addr_len) == 0);
GPR_ASSERT(addr_len <= sizeof(addr));
pollsets[0] = &g_pollset;
grpc_tcp_server_start(s, pollsets, 1, on_connect, NULL);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
for (i = 0; i < n; i++) {
deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(4000);
nconnects_before = g_nconnects;
clifd = socket(addr.ss_family, SOCK_STREAM, 0);
GPR_ASSERT(clifd >= 0);
gpr_log(GPR_DEBUG, "start connect");
GPR_ASSERT(connect(clifd, (struct sockaddr *)&addr, addr_len) == 0);
gpr_log(GPR_DEBUG, "wait");
while (g_nconnects == nconnects_before &&
gpr_time_cmp(deadline, gpr_now()) > 0) {
grpc_pollset_work(&g_pollset, deadline);
}
gpr_log(GPR_DEBUG, "wait done");
GPR_ASSERT(g_nconnects == nconnects_before + 1);
close(clifd);
}
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
grpc_tcp_server_destroy(s, NULL, NULL);
}
static void destroy_pollset(void *p) { grpc_pollset_destroy(p); }
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
grpc_iomgr_init();
grpc_pollset_init(&g_pollset);
test_no_op();
test_no_op_with_start();
test_no_op_with_port();
test_no_op_with_port_and_start();
test_connect(1);
test_connect(10);
grpc_pollset_shutdown(&g_pollset, destroy_pollset, &g_pollset);
grpc_iomgr_shutdown();
return 0;
}
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