diff options
Diffstat (limited to 'nsprpub/pr/tests/multiacc.c')
| -rw-r--r-- | nsprpub/pr/tests/multiacc.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/multiacc.c b/nsprpub/pr/tests/multiacc.c new file mode 100644 index 000000000..9382c4f68 --- /dev/null +++ b/nsprpub/pr/tests/multiacc.c @@ -0,0 +1,220 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * 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; +} |