зеркало из https://github.com/mozilla/gecko-dev.git
355 строки
9.8 KiB
C
355 строки
9.8 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 Netscape Public License
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* Version 1.1 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifdef WIN32
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#include <windows.h>
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#endif
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#ifdef XP_OS2_VACPP
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#include <io.h> /* for close() */
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#endif
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#include "prinit.h"
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#include "prio.h"
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#include "prlog.h"
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#include "prprf.h"
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#include "prnetdb.h"
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#ifndef XP_MAC
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#include "private/pprio.h"
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#else
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#include "pprio.h"
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#endif
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#define CLIENT_LOOPS 5
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#define BUF_SIZE 128
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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static void
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clientThreadFunc(void *arg)
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{
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PRUint16 port = (PRUint16) arg;
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PRFileDesc *sock;
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PRNetAddr addr;
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char buf[BUF_SIZE];
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int i;
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addr.inet.family = PR_AF_INET;
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addr.inet.port = PR_htons(port);
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addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
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PR_snprintf(buf, sizeof(buf), "%hu", port);
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for (i = 0; i < 5; i++) {
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sock = PR_NewTCPSocket();
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PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT);
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PR_Write(sock, buf, sizeof(buf));
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PR_Close(sock);
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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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PRFileDesc *listenSock1, *listenSock2;
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PRFileDesc *badFD;
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PRUint16 listenPort1, listenPort2;
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PRNetAddr addr;
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char buf[BUF_SIZE];
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PRThread *clientThread;
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PRPollDesc pds0[10], pds1[10], *pds, *other_pds;
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PRIntn npds;
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PRInt32 retVal;
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PRInt32 sd, rv;
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struct sockaddr_in saddr;
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PRIntn saddr_len;
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PRUint16 listenPort3;
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PRFileDesc *socket_poll_fd;
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PRIntn i, j;
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PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
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PR_STDIO_INIT();
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printf("This program tests PR_Poll with sockets.\n");
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printf("Timeout, error reporting, and normal operation are tested.\n\n");
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/* Create two listening sockets */
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if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
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fprintf(stderr, "Can't create a new TCP socket\n");
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exit(1);
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}
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addr.inet.family = PR_AF_INET;
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addr.inet.ip = PR_htonl(PR_INADDR_ANY);
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addr.inet.port = PR_htons(0);
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if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
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fprintf(stderr, "Can't bind socket\n");
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exit(1);
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}
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if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
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fprintf(stderr, "PR_GetSockName failed\n");
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exit(1);
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}
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listenPort1 = PR_ntohs(addr.inet.port);
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if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
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fprintf(stderr, "Can't listen on a socket\n");
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exit(1);
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}
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if ((listenSock2 = PR_NewTCPSocket()) == NULL) {
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fprintf(stderr, "Can't create a new TCP socket\n");
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exit(1);
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}
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addr.inet.family = PR_AF_INET;
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addr.inet.ip = PR_htonl(PR_INADDR_ANY);
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addr.inet.port = PR_htons(0);
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if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
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fprintf(stderr, "Can't bind socket\n");
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exit(1);
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}
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if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
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fprintf(stderr, "PR_GetSockName failed\n");
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exit(1);
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}
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listenPort2 = PR_ntohs(addr.inet.port);
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if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
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fprintf(stderr, "Can't listen on a socket\n");
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exit(1);
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}
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/* Set up the poll descriptor array */
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pds = pds0;
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other_pds = pds1;
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memset(pds, 0, sizeof(pds));
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npds = 0;
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pds[npds].fd = listenSock1;
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pds[npds].in_flags = PR_POLL_READ;
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npds++;
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pds[npds].fd = listenSock2;
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pds[npds].in_flags = PR_POLL_READ;
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npds++;
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sd = socket(AF_INET, SOCK_STREAM, 0);
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PR_ASSERT(sd >= 0);
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memset((char *) &saddr, 0, sizeof(saddr));
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saddr.sin_family = AF_INET;
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saddr.sin_addr.s_addr = htonl(INADDR_ANY);
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saddr.sin_port = htons(0);
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rv = bind(sd, (struct sockaddr *)&saddr, sizeof(saddr));
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PR_ASSERT(rv == 0);
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saddr_len = sizeof(saddr);
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rv = getsockname(sd, (struct sockaddr *) &saddr, &saddr_len);
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PR_ASSERT(rv == 0);
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listenPort3 = ntohs(saddr.sin_port);
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rv = listen(sd, 5);
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PR_ASSERT(rv == 0);
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pds[npds].fd = socket_poll_fd = PR_CreateSocketPollFd(sd);
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PR_ASSERT(pds[npds].fd);
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pds[npds].in_flags = PR_POLL_READ;
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npds++;
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PR_snprintf(buf, sizeof(buf),
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"The server thread is listening on ports %hu, %hu and %hu\n\n",
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listenPort1, listenPort2, listenPort3);
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printf("%s", buf);
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/* Testing timeout */
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printf("PR_Poll should time out in 5 seconds\n");
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retVal = PR_Poll(pds, npds, PR_SecondsToInterval(5));
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if (retVal != 0) {
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PR_snprintf(buf, sizeof(buf),
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"PR_Poll should time out and return 0, but it returns %ld\n",
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retVal);
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fprintf(stderr, "%s", buf);
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exit(1);
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}
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printf("PR_Poll timed out. Test passed.\n\n");
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/* Testing bad fd */
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printf("PR_Poll should detect a bad file descriptor\n");
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if ((badFD = PR_NewTCPSocket()) == NULL) {
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fprintf(stderr, "Can't create a TCP socket\n");
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exit(1);
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}
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pds[npds].fd = badFD;
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pds[npds].in_flags = PR_POLL_READ;
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npds++;
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PR_Close(badFD); /* make the fd bad */
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#if 0
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retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
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if (retVal != 1 || (unsigned short) pds[2].out_flags != PR_POLL_NVAL) {
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fprintf(stderr, "Failed to detect the bad fd: "
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"PR_Poll returns %d, out_flags is 0x%hx\n",
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retVal, pds[npds - 1].out_flags);
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exit(1);
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}
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printf("PR_Poll detected the bad fd. Test passed.\n\n");
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#endif
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npds--;
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clientThread = PR_CreateThread(PR_USER_THREAD,
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clientThreadFunc, (void *) listenPort1,
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PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
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PR_UNJOINABLE_THREAD, 0);
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if (clientThread == NULL) {
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fprintf(stderr, "can't create thread\n");
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exit(1);
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}
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clientThread = PR_CreateThread(PR_USER_THREAD,
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clientThreadFunc, (void *) listenPort2,
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PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD,
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PR_UNJOINABLE_THREAD, 0);
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if (clientThread == NULL) {
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fprintf(stderr, "can't create thread\n");
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exit(1);
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}
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clientThread = PR_CreateThread(PR_USER_THREAD,
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clientThreadFunc, (void *) listenPort3,
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PR_PRIORITY_NORMAL, PR_GLOBAL_BOUND_THREAD,
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PR_UNJOINABLE_THREAD, 0);
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if (clientThread == NULL) {
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fprintf(stderr, "can't create thread\n");
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exit(1);
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}
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printf("Three client threads are created. Each of them will\n");
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printf("send data to one of the three ports the server is listening on.\n");
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printf("The data they send is the port number. Each of them send\n");
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printf("the data five times, so you should see ten lines below,\n");
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printf("interleaved in an arbitrary order.\n");
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/* 30 events total */
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i = 0;
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while (i < 30) {
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PRPollDesc *tmp;
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int nextIndex;
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int nEvents = 0;
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retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
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PR_ASSERT(retVal != 0); /* no timeout */
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if (retVal == -1) {
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fprintf(stderr, "PR_Poll failed\n");
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exit(1);
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}
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nextIndex = 3;
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/* the three listening sockets */
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for (j = 0; j < 3; j++) {
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other_pds[j] = pds[j];
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PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
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&& (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
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if (pds[j].out_flags & PR_POLL_READ) {
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PRFileDesc *sock;
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nEvents++;
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if (j == 2) {
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int newsd;
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newsd = accept(PR_FileDesc2NativeHandle(pds[j].fd), NULL, 0);
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if (newsd == -1) {
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fprintf(stderr, "accept() failed\n");
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exit(1);
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}
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other_pds[nextIndex].fd = PR_CreateSocketPollFd(newsd);
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PR_ASSERT(other_pds[nextIndex].fd);
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other_pds[nextIndex].in_flags = PR_POLL_READ;
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} else {
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sock = PR_Accept(pds[j].fd, NULL, PR_INTERVAL_NO_TIMEOUT);
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if (sock == NULL) {
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fprintf(stderr, "PR_Accept() failed\n");
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exit(1);
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}
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other_pds[nextIndex].fd = sock;
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other_pds[nextIndex].in_flags = PR_POLL_READ;
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}
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nextIndex++;
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} else if (pds[j].out_flags & PR_POLL_ERR) {
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fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
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exit(1);
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} else if (pds[j].out_flags & PR_POLL_NVAL) {
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fprintf(stderr, "PR_Poll() indicates that fd %d is invalid\n",
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PR_FileDesc2NativeHandle(pds[j].fd));
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exit(1);
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}
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}
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for (j = 3; j < npds; j++) {
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PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
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&& (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
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if (pds[j].out_flags & PR_POLL_READ) {
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PRInt32 nBytes;
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nEvents++;
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/* XXX: This call is a hack and should be fixed */
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if (PR_GetDescType(pds[j].fd) == (PRDescType) 0) {
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nBytes = recv(PR_FileDesc2NativeHandle(pds[j].fd), buf,
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sizeof(buf), 0);
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if (nBytes == -1) {
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fprintf(stderr, "recv() failed\n");
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exit(1);
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}
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printf("Server read %d bytes from native fd %d\n",nBytes,
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PR_FileDesc2NativeHandle(pds[j].fd));
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#ifdef WIN32
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closesocket((SOCKET)PR_FileDesc2NativeHandle(pds[j].fd));
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#else
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close(PR_FileDesc2NativeHandle(pds[j].fd));
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#endif
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PR_DestroySocketPollFd(pds[j].fd);
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} else {
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nBytes = PR_Read(pds[j].fd, buf, sizeof(buf));
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if (nBytes == -1) {
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fprintf(stderr, "PR_Read() failed\n");
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exit(1);
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}
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PR_Close(pds[j].fd);
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}
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/* Just to be safe */
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buf[BUF_SIZE - 1] = '\0';
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printf("The server received \"%s\" from a client\n", buf);
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} else if (pds[j].out_flags & PR_POLL_ERR) {
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fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
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exit(1);
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} else if (pds[j].out_flags & PR_POLL_NVAL) {
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fprintf(stderr, "PR_Poll() indicates that an fd is invalid\n");
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exit(1);
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} else {
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other_pds[nextIndex] = pds[j];
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nextIndex++;
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}
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}
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PR_ASSERT(retVal == nEvents);
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/* swap */
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tmp = pds;
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pds = other_pds;
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other_pds = tmp;
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npds = nextIndex;
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i += nEvents;
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}
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PR_DestroySocketPollFd(socket_poll_fd);
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printf("All tests finished\n");
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PR_Cleanup();
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return 0;
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}
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