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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/lib/iomgr/port.h"
#include "test/core/util/test_config.h"
#if defined(GRPC_TEST_PICK_PORT)
#include "test/core/util/port.h"
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/lib/http/httpcli.h"
#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/iomgr/sockaddr_utils.h"
#include "test/core/util/port_server_client.h"
static int *chosen_ports = NULL;
static size_t num_chosen_ports = 0;
static int free_chosen_port(int port) {
size_t i;
int found = 0;
size_t found_at = 0;
/* Find the port and erase it from the list, then tell the server it can be
freed. */
for (i = 0; i < num_chosen_ports; i++) {
if (chosen_ports[i] == port) {
GPR_ASSERT(found == 0);
found = 1;
found_at = i;
}
}
if (found) {
chosen_ports[found_at] = chosen_ports[num_chosen_ports - 1];
num_chosen_ports--;
grpc_free_port_using_server(port);
}
return found;
}
static void free_chosen_ports(void) {
size_t i;
grpc_init();
for (i = 0; i < num_chosen_ports; i++) {
grpc_free_port_using_server(chosen_ports[i]);
}
grpc_shutdown();
gpr_free(chosen_ports);
}
static void chose_port(int port) {
if (chosen_ports == NULL) {
atexit(free_chosen_ports);
}
num_chosen_ports++;
chosen_ports = gpr_realloc(chosen_ports, sizeof(int) * num_chosen_ports);
chosen_ports[num_chosen_ports - 1] = port;
}
int grpc_pick_unused_port(void) {
int port = grpc_pick_port_using_server();
if (port != 0) {
chose_port(port);
}
return port;
}
int grpc_pick_unused_port_or_die(void) {
int port = grpc_pick_unused_port();
if (port == 0) {
fprintf(stderr,
"gRPC tests require a helper port server to allocate ports used \n"
"during the test.\n\n"
"This server is not currently running.\n\n"
"To start it, run tools/run_tests/start_port_server.py\n\n");
exit(1);
}
return port;
}
void grpc_recycle_unused_port(int port) { GPR_ASSERT(free_chosen_port(port)); }
#endif /* GRPC_TEST_PICK_PORT */
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