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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* File: multiacc.c
*
* Description:
* This test creates multiple threads that accept on the
* same listening socket.
*/
#include "nspr.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define NUM_SERVER_THREADS 10
static int num_server_threads = NUM_SERVER_THREADS;
static PRThreadScope thread_scope = PR_GLOBAL_THREAD;
static PRBool exit_flag = PR_FALSE;
static void ServerThreadFunc(void *arg)
{
PRFileDesc *listenSock = (PRFileDesc *) arg;
PRFileDesc *acceptSock;
PRErrorCode err;
PRStatus status;
while (!exit_flag) {
acceptSock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
if (NULL == acceptSock) {
err = PR_GetError();
if (PR_PENDING_INTERRUPT_ERROR == err) {
printf("server thread is interrupted\n");
fflush(stdout);
continue;
}
fprintf(stderr, "PR_Accept failed: %d\n", err);
exit(1);
}
status = PR_Close(acceptSock);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
}
}
int main(int argc, char **argv)
{
PRNetAddr serverAddr;
PRFileDesc *dummySock;
PRFileDesc *listenSock;
PRFileDesc *clientSock;
PRThread *dummyThread;
PRThread **serverThreads;
PRStatus status;
PRUint16 port;
int idx;
PRInt32 nbytes;
char buf[1024];
serverThreads = (PRThread **)
PR_Malloc(num_server_threads * sizeof(PRThread *));
if (NULL == serverThreads) {
fprintf(stderr, "PR_Malloc failed\n");
exit(1);
}
/*
* Create a dummy listening socket and have the first
* (dummy) thread listen on it. This is to ensure that
* the first thread becomes the I/O continuation thread
* in the pthreads implementation (see ptio.c) and remains
* so throughout the test, so that we never have to
* recycle the I/O continuation thread.
*/
dummySock = PR_NewTCPSocket();
if (NULL == dummySock) {
fprintf(stderr, "PR_NewTCPSocket failed\n");
exit(1);
}
memset(&serverAddr, 0, sizeof(serverAddr));
status = PR_InitializeNetAddr(PR_IpAddrAny, 0, &serverAddr);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_InitializeNetAddr failed\n");
exit(1);
}
status = PR_Bind(dummySock, &serverAddr);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Bind failed\n");
exit(1);
}
status = PR_Listen(dummySock, 5);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Listen failed\n");
exit(1);
}
listenSock = PR_NewTCPSocket();
if (NULL == listenSock) {
fprintf(stderr, "PR_NewTCPSocket failed\n");
exit(1);
}
memset(&serverAddr, 0, sizeof(serverAddr));
status = PR_InitializeNetAddr(PR_IpAddrAny, 0, &serverAddr);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_InitializeNetAddr failed\n");
exit(1);
}
status = PR_Bind(listenSock, &serverAddr);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Bind failed\n");
exit(1);
}
status = PR_GetSockName(listenSock, &serverAddr);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_GetSockName failed\n");
exit(1);
}
port = PR_ntohs(serverAddr.inet.port);
status = PR_Listen(listenSock, 5);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Listen failed\n");
exit(1);
}
printf("creating dummy thread\n");
fflush(stdout);
dummyThread = PR_CreateThread(PR_USER_THREAD,
ServerThreadFunc, dummySock, PR_PRIORITY_NORMAL,
thread_scope, PR_JOINABLE_THREAD, 0);
if (NULL == dummyThread) {
fprintf(stderr, "PR_CreateThread failed\n");
exit(1);
}
printf("sleeping one second before creating server threads\n");
fflush(stdout);
PR_Sleep(PR_SecondsToInterval(1));
for (idx = 0; idx < num_server_threads; idx++) {
serverThreads[idx] = PR_CreateThread(PR_USER_THREAD,
ServerThreadFunc, listenSock, PR_PRIORITY_NORMAL,
thread_scope, PR_JOINABLE_THREAD, 0);
if (NULL == serverThreads[idx]) {
fprintf(stderr, "PR_CreateThread failed\n");
exit(1);
}
}
memset(&serverAddr, 0, sizeof(serverAddr));
PR_InitializeNetAddr(PR_IpAddrLoopback, port, &serverAddr);
clientSock = PR_NewTCPSocket();
if (NULL == clientSock) {
fprintf(stderr, "PR_NewTCPSocket failed\n");
exit(1);
}
printf("sleeping one second before connecting\n");
fflush(stdout);
PR_Sleep(PR_SecondsToInterval(1));
status = PR_Connect(clientSock, &serverAddr, PR_INTERVAL_NO_TIMEOUT);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Connect failed\n");
exit(1);
}
nbytes = PR_Read(clientSock, buf, sizeof(buf));
if (nbytes != 0) {
fprintf(stderr, "expected 0 bytes but got %d bytes\n", nbytes);
exit(1);
}
status = PR_Close(clientSock);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
printf("sleeping one second before shutting down server threads\n");
fflush(stdout);
PR_Sleep(PR_SecondsToInterval(1));
exit_flag = PR_TRUE;
status = PR_Interrupt(dummyThread);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Interrupt failed\n");
exit(1);
}
status = PR_JoinThread(dummyThread);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_JoinThread failed\n");
exit(1);
}
for (idx = 0; idx < num_server_threads; idx++) {
status = PR_Interrupt(serverThreads[idx]);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Interrupt failed\n");
exit(1);
}
status = PR_JoinThread(serverThreads[idx]);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_JoinThread failed\n");
exit(1);
}
}
PR_Free(serverThreads);
status = PR_Close(dummySock);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
status = PR_Close(listenSock);
if (PR_FAILURE == status) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
printf("PASS\n");
return 0;
}
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