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250 lines
7.7 KiB
C
250 lines
7.7 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/*
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* File: multiacc.c
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*
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* Description:
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* This test creates multiple threads that accept on the
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* same listening socket.
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*/
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#include "nspr.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define NUM_SERVER_THREADS 10
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static int num_server_threads = NUM_SERVER_THREADS;
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static PRThreadScope thread_scope = PR_GLOBAL_THREAD;
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static PRBool exit_flag = PR_FALSE;
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static void ServerThreadFunc(void *arg)
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{
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PRFileDesc *listenSock = (PRFileDesc *) arg;
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PRFileDesc *acceptSock;
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PRErrorCode err;
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PRStatus status;
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while (!exit_flag) {
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acceptSock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
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if (NULL == acceptSock) {
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err = PR_GetError();
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if (PR_PENDING_INTERRUPT_ERROR == err) {
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printf("server thread is interrupted\n");
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fflush(stdout);
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continue;
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}
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fprintf(stderr, "PR_Accept failed: %d\n", err);
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exit(1);
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}
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status = PR_Close(acceptSock);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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}
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int main(int argc, char **argv)
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{
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PRNetAddr serverAddr;
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PRFileDesc *dummySock;
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PRFileDesc *listenSock;
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PRFileDesc *clientSock;
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PRThread *dummyThread;
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PRThread **serverThreads;
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PRStatus status;
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PRUint16 port;
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int idx;
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PRInt32 nbytes;
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char buf[1024];
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serverThreads = (PRThread **)
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PR_Malloc(num_server_threads * sizeof(PRThread *));
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if (NULL == serverThreads) {
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fprintf(stderr, "PR_Malloc failed\n");
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exit(1);
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}
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/*
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* Create a dummy listening socket and have the first
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* (dummy) thread listen on it. This is to ensure that
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* the first thread becomes the I/O continuation thread
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* in the pthreads implementation (see ptio.c) and remains
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* so throughout the test, so that we never have to
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* recycle the I/O continuation thread.
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*/
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dummySock = PR_NewTCPSocket();
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if (NULL == dummySock) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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memset(&serverAddr, 0, sizeof(serverAddr));
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status = PR_InitializeNetAddr(PR_IpAddrAny, 0, &serverAddr);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_InitializeNetAddr failed\n");
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exit(1);
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}
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status = PR_Bind(dummySock, &serverAddr);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Bind failed\n");
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exit(1);
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}
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status = PR_Listen(dummySock, 5);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Listen failed\n");
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exit(1);
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}
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listenSock = PR_NewTCPSocket();
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if (NULL == listenSock) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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memset(&serverAddr, 0, sizeof(serverAddr));
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status = PR_InitializeNetAddr(PR_IpAddrAny, 0, &serverAddr);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_InitializeNetAddr failed\n");
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exit(1);
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}
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status = PR_Bind(listenSock, &serverAddr);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Bind failed\n");
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exit(1);
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}
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status = PR_GetSockName(listenSock, &serverAddr);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_GetSockName failed\n");
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exit(1);
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}
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port = PR_ntohs(serverAddr.inet.port);
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status = PR_Listen(listenSock, 5);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Listen failed\n");
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exit(1);
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}
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printf("creating dummy thread\n");
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fflush(stdout);
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dummyThread = PR_CreateThread(PR_USER_THREAD,
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ServerThreadFunc, dummySock, PR_PRIORITY_NORMAL,
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thread_scope, PR_JOINABLE_THREAD, 0);
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if (NULL == dummyThread) {
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fprintf(stderr, "PR_CreateThread failed\n");
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exit(1);
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}
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printf("sleeping one second before creating server threads\n");
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fflush(stdout);
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PR_Sleep(PR_SecondsToInterval(1));
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for (idx = 0; idx < num_server_threads; idx++) {
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serverThreads[idx] = PR_CreateThread(PR_USER_THREAD,
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ServerThreadFunc, listenSock, PR_PRIORITY_NORMAL,
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thread_scope, PR_JOINABLE_THREAD, 0);
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if (NULL == serverThreads[idx]) {
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fprintf(stderr, "PR_CreateThread failed\n");
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exit(1);
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}
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}
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memset(&serverAddr, 0, sizeof(serverAddr));
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PR_InitializeNetAddr(PR_IpAddrLoopback, port, &serverAddr);
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clientSock = PR_NewTCPSocket();
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if (NULL == clientSock) {
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fprintf(stderr, "PR_NewTCPSocket failed\n");
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exit(1);
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}
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printf("sleeping one second before connecting\n");
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fflush(stdout);
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PR_Sleep(PR_SecondsToInterval(1));
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status = PR_Connect(clientSock, &serverAddr, PR_INTERVAL_NO_TIMEOUT);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Connect failed\n");
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exit(1);
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}
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nbytes = PR_Read(clientSock, buf, sizeof(buf));
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if (nbytes != 0) {
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fprintf(stderr, "expected 0 bytes but got %d bytes\n", nbytes);
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exit(1);
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}
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status = PR_Close(clientSock);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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printf("sleeping one second before shutting down server threads\n");
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fflush(stdout);
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PR_Sleep(PR_SecondsToInterval(1));
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exit_flag = PR_TRUE;
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status = PR_Interrupt(dummyThread);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Interrupt failed\n");
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exit(1);
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}
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status = PR_JoinThread(dummyThread);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_JoinThread failed\n");
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exit(1);
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}
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for (idx = 0; idx < num_server_threads; idx++) {
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status = PR_Interrupt(serverThreads[idx]);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Interrupt failed\n");
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exit(1);
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}
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status = PR_JoinThread(serverThreads[idx]);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_JoinThread failed\n");
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exit(1);
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}
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}
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PR_Free(serverThreads);
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status = PR_Close(dummySock);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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status = PR_Close(listenSock);
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if (PR_FAILURE == status) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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printf("PASS\n");
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return 0;
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}
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