aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/core/util/port_windows.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/core/util/port_windows.c')
-rw-r--r--test/core/util/port_windows.c247
1 files changed, 0 insertions, 247 deletions
diff --git a/test/core/util/port_windows.c b/test/core/util/port_windows.c
deleted file mode 100644
index 0c50a46644..0000000000
--- a/test/core/util/port_windows.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- *
- * 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_WINSOCK_SOCKET) && defined(GRPC_TEST_PICK_PORT)
-
-#include "src/core/lib/iomgr/sockaddr.h"
-
-#include "test/core/util/port.h"
-
-#include <errno.h>
-#include <process.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <grpc/grpc.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-
-#include "src/core/lib/http/httpcli.h"
-#include "src/core/lib/iomgr/sockaddr_utils.h"
-#include "src/core/lib/support/env.h"
-#include "test/core/util/port_server_client.h"
-
-#if GPR_GETPID_IN_UNISTD_H
-#include <sys/unistd.h>
-static int _getpid() { return getpid(); }
-#endif
-
-#define NUM_RANDOM_PORTS_TO_PICK 100
-
-static int *chosen_ports = NULL;
-static size_t num_chosen_ports = 0;
-
-static int has_port_been_chosen(int port) {
- size_t i;
- for (i = 0; i < num_chosen_ports; i++) {
- if (chosen_ports[i] == port) {
- return 1;
- }
- }
- return 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");
- if (env != NULL) {
- /* 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];
- grpc_free_port_using_server(env, port);
- num_chosen_ports--;
- }
- }
- 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;
-}
-
-static int is_port_available(int *port, int is_tcp) {
- const int proto = is_tcp ? IPPROTO_TCP : 0;
- const SOCKET fd = socket(AF_INET, is_tcp ? SOCK_STREAM : SOCK_DGRAM, proto);
- int one = 1;
- struct sockaddr_in addr;
- socklen_t alen = sizeof(addr);
- int actual_port;
-
- GPR_ASSERT(*port >= 0);
- GPR_ASSERT(*port <= 65535);
- if (INVALID_SOCKET == fd) {
- gpr_log(GPR_ERROR, "socket() failed: %s", strerror(errno));
- return 0;
- }
-
- /* Reuseaddr lets us start up a server immediately after it exits */
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&one,
- sizeof(one)) < 0) {
- gpr_log(GPR_ERROR, "setsockopt() failed: %s", strerror(errno));
- closesocket(fd);
- return 0;
- }
-
- /* Try binding to port */
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = INADDR_ANY;
- addr.sin_port = htons((u_short)*port);
- if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
- gpr_log(GPR_DEBUG, "bind(port=%d) failed: %s", *port, strerror(errno));
- closesocket(fd);
- return 0;
- }
-
- /* Get the bound port number */
- if (getsockname(fd, (struct sockaddr *)&addr, &alen) < 0) {
- gpr_log(GPR_ERROR, "getsockname() failed: %s", strerror(errno));
- closesocket(fd);
- return 0;
- }
- GPR_ASSERT(alen <= (socklen_t)sizeof(addr));
- actual_port = ntohs(addr.sin_port);
- GPR_ASSERT(actual_port > 0);
- if (*port == 0) {
- *port = actual_port;
- } else {
- GPR_ASSERT(*port == actual_port);
- }
-
- closesocket(fd);
- return 1;
-}
-
-int grpc_pick_unused_port(void) {
- /* We repeatedly pick a port and then see whether or not it is
- available for use both as a TCP socket and a UDP socket. First, we
- pick a random large port number. For subsequent
- iterations, we bind to an anonymous port and let the OS pick the
- port number. The random port picking reduces the probability of
- races with other processes on kernels that want to reuse the same
- port numbers over and over. */
-
- /* In alternating iterations we trial UDP ports before TCP ports UDP
- ports -- it could be the case that this machine has been using up
- UDP ports and they are scarcer. */
-
- /* Type of port to first pick in next iteration */
- int is_tcp = 1;
- int trial = 0;
-
- char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
- if (env) {
- int port = grpc_pick_port_using_server(env);
- gpr_free(env);
- if (port != 0) {
- return port;
- }
- }
-
- for (;;) {
- int port;
- trial++;
- if (trial == 1) {
- port = _getpid() % (65536 - 30000) + 30000;
- } else if (trial <= NUM_RANDOM_PORTS_TO_PICK) {
- port = rand() % (65536 - 30000) + 30000;
- } else {
- port = 0;
- }
-
- if (has_port_been_chosen(port)) {
- continue;
- }
-
- if (!is_port_available(&port, is_tcp)) {
- continue;
- }
-
- GPR_ASSERT(port > 0);
- /* Check that the port # is free for the other type of socket also */
- if (!is_port_available(&port, !is_tcp)) {
- /* In the next iteration trial to bind to the other type first
- because perhaps it is more rare. */
- is_tcp = !is_tcp;
- continue;
- }
-
- /* TODO(ctiller): consider caching this port in some structure, to avoid
- handing it out again */
-
- chose_port(port);
- return port;
- }
-
- /* The port iterator reached the end without finding a suitable port. */
- return 0;
-}
-
-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_WINSOCK_SOCKET && GRPC_TEST_PICK_PORT */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-03 06:55:49 +0000