| /* |
| * |
| * 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_UV) && defined(GRPC_TEST_PICK_PORT) |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/support/env.h" |
| #include "test/core/util/port.h" |
| #include "test/core/util/port_server_client.h" |
| |
| // Almost everything in this file has been copied from port_posix.c |
| |
| 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; |
| char *env = gpr_getenv("GRPC_TEST_PORT_SERVER"); |
| /* 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--; |
| if (env) { |
| grpc_free_port_using_server(env, port); |
| } |
| } |
| gpr_free(env); |
| return found; |
| } |
| |
| static void free_chosen_ports(void) { |
| char *env = gpr_getenv("GRPC_TEST_PORT_SERVER"); |
| if (env != NULL) { |
| size_t i; |
| for (i = 0; i < num_chosen_ports; i++) { |
| grpc_free_port_using_server(env, chosen_ports[i]); |
| } |
| gpr_free(env); |
| } |
| |
| 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) { |
| // Currently only works with the port server |
| char *env = gpr_getenv("GRPC_TEST_PORT_SERVER"); |
| GPR_ASSERT(env); |
| int port = grpc_pick_port_using_server(env); |
| gpr_free(env); |
| if (port != 0) { |
| chose_port(port); |
| } |
| return port; |
| } |
| |
| int grpc_pick_unused_port_or_die(void) { |
| int port = grpc_pick_unused_port(); |
| GPR_ASSERT(port > 0); |
| return port; |
| } |
| |
| void grpc_recycle_unused_port(int port) { GPR_ASSERT(free_chosen_port(port)); } |
| |
| #endif /* GRPC_UV && GRPC_TEST_PICK_PORT */ |