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125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
/* Test for nonblocking read and write on sockets.
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Copyright (C) 2011-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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# include <process.h>
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#else
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# include <spawn.h>
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#endif
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#include "nonblocking.h"
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#include "wait-process.h"
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#include "macros.h"
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#include "socket-server.h"
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#include "test-nonblocking-socket.h"
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#define PROG_ROLE "main"
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#include "test-nonblocking-writer.h"
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int
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main (int argc, char *argv[])
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{
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const char *child_path;
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int test;
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int server;
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int port;
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int child;
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int server_socket;
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int exitcode;
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child_path = argv[1];
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test = atoi (argv[2]);
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/* Create a server socket. */
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server = create_server (0, 1, &port);
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/* Spawn the child process. */
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{
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char port_arg[10+1];
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const char *child_argv[4];
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sprintf (port_arg, "%u", port);
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child_argv[0] = child_path;
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child_argv[1] = argv[2];
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child_argv[2] = port_arg;
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child_argv[3] = NULL;
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#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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child = spawnvpe (P_NOWAIT, child_path, child_argv,
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(const char **) environ);
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ASSERT (child >= 0);
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#else
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{
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pid_t child_pid;
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int err =
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posix_spawnp (&child_pid, child_path, NULL, NULL, (char **) child_argv,
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environ);
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ASSERT (err == 0);
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child = child_pid;
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}
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#endif
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}
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/* Accept a connection from the child process. */
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server_socket = create_server_socket (server);
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/* Prepare the file descriptor. */
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if (test & 1)
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ASSERT (set_nonblocking_flag (server_socket, true) >= 0);
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#if ENABLE_DEBUGGING
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# ifdef SO_SNDBUF
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{
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int value;
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socklen_t value_len = sizeof (value);
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if (getsockopt (server_socket, SOL_SOCKET, SO_SNDBUF, &value, &value_len) >= 0)
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fprintf (stderr, "SO_SNDBUF = %d\n", value);
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}
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# endif
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# ifdef SO_RCVBUF
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{
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int value;
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socklen_t value_len = sizeof (value);
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if (getsockopt (server_socket, SOL_SOCKET, SO_RCVBUF, &value, &value_len) >= 0)
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fprintf (stderr, "SO_RCVBUF = %d\n", value);
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}
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# endif
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#endif
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exitcode =
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main_writer_loop (test, SOCKET_DATA_BLOCK_SIZE, server_socket,
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SOCKET_HAS_LARGE_BUFFER);
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{
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int err =
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wait_subprocess (child, child_path, false, false, false, false, NULL);
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ASSERT (err == 0);
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}
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return exitcode;
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}
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