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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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120 lines
3.6 KiB
120 lines
3.6 KiB
8 years ago
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/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "src/core/lib/iomgr/port.h"
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#include "test/core/util/test_config.h"
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#if defined(GRPC_TEST_PICK_PORT)
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#include "test/core/util/port.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include <grpc/grpc.h>
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#include <grpc/support/alloc.h>
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#include <grpc/support/log.h>
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#include <grpc/support/string_util.h>
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#include "src/core/lib/http/httpcli.h"
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#include "src/core/lib/iomgr/resolve_address.h"
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#include "src/core/lib/iomgr/sockaddr_utils.h"
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#include "test/core/util/port_server_client.h"
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static int *chosen_ports = NULL;
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static size_t num_chosen_ports = 0;
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static int free_chosen_port(int port) {
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size_t i;
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int found = 0;
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size_t found_at = 0;
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/* Find the port and erase it from the list, then tell the server it can be
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freed. */
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for (i = 0; i < num_chosen_ports; i++) {
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if (chosen_ports[i] == port) {
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GPR_ASSERT(found == 0);
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found = 1;
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found_at = i;
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}
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}
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if (found) {
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chosen_ports[found_at] = chosen_ports[num_chosen_ports - 1];
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num_chosen_ports--;
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grpc_free_port_using_server(port);
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}
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return found;
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}
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static void free_chosen_ports(void) {
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size_t i;
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for (i = 0; i < num_chosen_ports; i++) {
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grpc_free_port_using_server(chosen_ports[i]);
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}
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gpr_free(chosen_ports);
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}
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static void chose_port(int port) {
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if (chosen_ports == NULL) {
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atexit(free_chosen_ports);
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}
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num_chosen_ports++;
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chosen_ports = gpr_realloc(chosen_ports, sizeof(int) * num_chosen_ports);
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chosen_ports[num_chosen_ports - 1] = port;
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}
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int grpc_pick_unused_port(void) {
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int port = grpc_pick_port_using_server();
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if (port != 0) {
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chose_port(port);
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}
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return port;
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}
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int grpc_pick_unused_port_or_die(void) {
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int port = grpc_pick_unused_port();
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if (port == 0) {
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fprintf(stderr,
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"gRPC tests require a helper port server to allocate ports used \n"
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"during the test.\n\n"
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"This server is not currently running.\n\n"
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"To start it, run tools/run_tests/start_port_server.py\n\n");
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exit(1);
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}
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return port;
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}
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void grpc_recycle_unused_port(int port) { GPR_ASSERT(free_chosen_port(port)); }
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#endif /* GRPC_TEST_PICK_PORT */
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