| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #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 = |
| (int*)gpr_realloc(chosen_ports, sizeof(int) * num_chosen_ports); |
| chosen_ports[num_chosen_ports - 1] = port; |
| } |
| |
| static int grpc_pick_unused_port_impl(void) { |
| int port = grpc_pick_port_using_server(); |
| if (port != 0) { |
| chose_port(port); |
| } |
| |
| return port; |
| } |
| |
| static int grpc_pick_unused_port_or_die_impl(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; |
| } |
| |
| static void grpc_recycle_unused_port_impl(int port) { |
| GPR_ASSERT(free_chosen_port(port)); |
| } |
| |
| static grpc_pick_port_functions g_pick_port_functions = { |
| grpc_pick_unused_port_impl, grpc_pick_unused_port_or_die_impl, |
| grpc_recycle_unused_port_impl}; |
| |
| int grpc_pick_unused_port(void) { |
| return g_pick_port_functions.pick_unused_port_fn(); |
| } |
| |
| int grpc_pick_unused_port_or_die(void) { |
| return g_pick_port_functions.pick_unused_port_or_die_fn(); |
| } |
| |
| void grpc_recycle_unused_port(int port) { |
| g_pick_port_functions.recycle_unused_port_fn(port); |
| } |
| |
| void grpc_set_pick_port_functions(grpc_pick_port_functions functions) { |
| GPR_ASSERT(functions.pick_unused_port_fn != NULL); |
| GPR_ASSERT(functions.pick_unused_port_or_die_fn != NULL); |
| GPR_ASSERT(functions.recycle_unused_port_fn != NULL); |
| g_pick_port_functions = functions; |
| } |
| |
| #endif /* GRPC_TEST_PICK_PORT */ |