mirror of
https://github.com/mozilla/gecko-dev.git
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361 lines
11 KiB
C
361 lines
11 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* A test case for the PR_MSG_PEEK flag of PR_Recv().
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*
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* Test both blocking and non-blocking sockets.
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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 BUFFER_SIZE 1024
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static int iterations = 10;
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/*
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* In iteration i, recv_amount[i] is the number of bytes we
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* wish to receive, and send_amount[i] is the number of bytes
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* we actually send. Therefore, the number of elements in the
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* recv_amount or send_amount array should equal to 'iterations'.
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* For this test to pass we need to ensure that
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* recv_amount[i] <= BUFFER_SIZE,
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* send_amount[i] <= BUFFER_SIZE,
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* send_amount[i] <= recv_amount[i].
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*/
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static PRInt32 recv_amount[10] = {
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16, 128, 256, 1024, 512, 512, 128, 256, 32, 32};
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static PRInt32 send_amount[10] = {
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16, 64, 128, 1024, 512, 256, 128, 64, 16, 32};
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/* Blocking I/O */
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static void ServerB(void *arg)
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{
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PRFileDesc *listenSock = (PRFileDesc *) arg;
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PRFileDesc *sock;
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char buf[BUFFER_SIZE];
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PRInt32 nbytes;
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int i;
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int j;
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sock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
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if (NULL == sock) {
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fprintf(stderr, "PR_Accept failed\n");
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exit(1);
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}
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for (i = 0; i < iterations; i++) {
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memset(buf, 0, sizeof(buf));
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nbytes = PR_Recv(sock, buf, recv_amount[i],
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PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == nbytes) {
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fprintf(stderr, "PR_Recv failed\n");
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exit(1);
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
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exit(1);
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}
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for (j = 0; j < nbytes; j++) {
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if (buf[j] != 2*i) {
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fprintf(stderr, "byte %d should be %d but is %d\n",
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j, 2*i, buf[j]);
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exit(1);
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}
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}
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fprintf(stderr, "server: peeked expected data\n");
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memset(buf, 0, sizeof(buf));
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nbytes = PR_Recv(sock, buf, recv_amount[i],
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PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == nbytes) {
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fprintf(stderr, "PR_Recv failed\n");
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exit(1);
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
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exit(1);
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}
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for (j = 0; j < nbytes; j++) {
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if (buf[j] != 2*i) {
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fprintf(stderr, "byte %d should be %d but is %d\n",
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j, 2*i, buf[j]);
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exit(1);
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}
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}
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fprintf(stderr, "server: peeked expected data\n");
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memset(buf, 0, sizeof(buf));
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nbytes = PR_Recv(sock, buf, recv_amount[i],
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0, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == nbytes) {
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fprintf(stderr, "PR_Recv failed\n");
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exit(1);
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
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exit(1);
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}
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for (j = 0; j < nbytes; j++) {
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if (buf[j] != 2*i) {
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fprintf(stderr, "byte %d should be %d but is %d\n",
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j, 2*i, buf[j]);
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exit(1);
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}
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}
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fprintf(stderr, "server: received expected data\n");
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PR_Sleep(PR_SecondsToInterval(1));
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memset(buf, 2*i+1, send_amount[i]);
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nbytes = PR_Send(sock, buf, send_amount[i],
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0, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == nbytes) {
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fprintf(stderr, "PR_Send failed\n");
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exit(1);
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Send returned %d, absurd!\n", nbytes);
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exit(1);
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}
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}
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if (PR_Close(sock) == PR_FAILURE) {
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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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/* Non-blocking I/O */
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static void ClientNB(void *arg)
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{
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PRFileDesc *sock;
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PRSocketOptionData opt;
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PRUint16 port = (PRUint16) arg;
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PRNetAddr addr;
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char buf[BUFFER_SIZE];
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PRPollDesc pd;
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PRInt32 npds;
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PRInt32 nbytes;
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int i;
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int j;
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sock = PR_OpenTCPSocket(PR_AF_INET6);
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if (NULL == sock) {
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fprintf(stderr, "PR_OpenTCPSocket failed\n");
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exit(1);
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}
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opt.option = PR_SockOpt_Nonblocking;
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opt.value.non_blocking = PR_TRUE;
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if (PR_SetSocketOption(sock, &opt) == PR_FAILURE) {
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fprintf(stderr, "PR_SetSocketOption failed\n");
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exit(1);
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}
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memset(&addr, 0, sizeof(addr));
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if (PR_SetNetAddr(PR_IpAddrLoopback, PR_AF_INET6, port, &addr)
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== PR_FAILURE) {
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fprintf(stderr, "PR_SetNetAddr failed\n");
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exit(1);
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}
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if (PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT) == PR_FAILURE) {
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if (PR_GetError() != PR_IN_PROGRESS_ERROR) {
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fprintf(stderr, "PR_Connect failed\n");
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exit(1);
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}
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pd.fd = sock;
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pd.in_flags = PR_POLL_WRITE | PR_POLL_EXCEPT;
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npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == npds) {
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fprintf(stderr, "PR_Poll failed\n");
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exit(1);
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}
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if (1 != npds) {
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fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);
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exit(1);
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}
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if (PR_GetConnectStatus(&pd) == PR_FAILURE) {
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fprintf(stderr, "PR_GetConnectStatus failed\n");
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exit(1);
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}
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}
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for (i = 0; i < iterations; i++) {
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PR_Sleep(PR_SecondsToInterval(1));
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memset(buf, 2*i, send_amount[i]);
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while ((nbytes = PR_Send(sock, buf, send_amount[i],
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0, PR_INTERVAL_NO_TIMEOUT)) == -1) {
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if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {
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fprintf(stderr, "PR_Send failed\n");
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exit(1);
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}
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pd.fd = sock;
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pd.in_flags = PR_POLL_WRITE;
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npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == npds) {
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fprintf(stderr, "PR_Poll failed\n");
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exit(1);
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}
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if (1 != npds) {
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fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);
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exit(1);
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}
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Send returned %d, absurd!\n", nbytes);
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exit(1);
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}
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memset(buf, 0, sizeof(buf));
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while ((nbytes = PR_Recv(sock, buf, recv_amount[i],
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PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT)) == -1) {
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if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {
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fprintf(stderr, "PR_Recv failed\n");
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exit(1);
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}
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pd.fd = sock;
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pd.in_flags = PR_POLL_READ;
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npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == npds) {
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fprintf(stderr, "PR_Poll failed\n");
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exit(1);
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}
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if (1 != npds) {
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fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);
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exit(1);
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}
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
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exit(1);
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}
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for (j = 0; j < nbytes; j++) {
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if (buf[j] != 2*i+1) {
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fprintf(stderr, "byte %d should be %d but is %d\n",
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j, 2*i+1, buf[j]);
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exit(1);
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}
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}
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fprintf(stderr, "client: peeked expected data\n");
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memset(buf, 0, sizeof(buf));
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nbytes = PR_Recv(sock, buf, recv_amount[i],
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PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == nbytes) {
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fprintf(stderr, "PR_Recv failed\n");
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exit(1);
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
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exit(1);
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}
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for (j = 0; j < nbytes; j++) {
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if (buf[j] != 2*i+1) {
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fprintf(stderr, "byte %d should be %d but is %d\n",
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j, 2*i+1, buf[j]);
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exit(1);
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}
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}
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fprintf(stderr, "client: peeked expected data\n");
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memset(buf, 0, sizeof(buf));
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nbytes = PR_Recv(sock, buf, recv_amount[i],
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0, PR_INTERVAL_NO_TIMEOUT);
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if (-1 == nbytes) {
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fprintf(stderr, "PR_Recv failed\n");
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exit(1);
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}
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if (send_amount[i] != nbytes) {
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fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
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exit(1);
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}
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for (j = 0; j < nbytes; j++) {
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if (buf[j] != 2*i+1) {
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fprintf(stderr, "byte %d should be %d but is %d\n",
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j, 2*i+1, buf[j]);
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exit(1);
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}
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}
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fprintf(stderr, "client: received expected data\n");
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}
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if (PR_Close(sock) == PR_FAILURE) {
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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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static void
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RunTest(PRThreadScope scope, PRFileDesc *listenSock, PRUint16 port)
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{
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PRThread *server, *client;
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server = PR_CreateThread(PR_USER_THREAD, ServerB, listenSock,
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PR_PRIORITY_NORMAL, scope, PR_JOINABLE_THREAD, 0);
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if (NULL == server) {
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fprintf(stderr, "PR_CreateThread failed\n");
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exit(1);
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}
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client = PR_CreateThread(
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PR_USER_THREAD, ClientNB, (void *) port,
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PR_PRIORITY_NORMAL, scope, PR_JOINABLE_THREAD, 0);
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if (NULL == client) {
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fprintf(stderr, "PR_CreateThread failed\n");
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exit(1);
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}
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if (PR_JoinThread(server) == PR_FAILURE) {
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fprintf(stderr, "PR_JoinThread failed\n");
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exit(1);
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}
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if (PR_JoinThread(client) == PR_FAILURE) {
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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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int main(int argc, char **argv)
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{
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PRFileDesc *listenSock;
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PRNetAddr addr;
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PRUint16 port;
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listenSock = PR_OpenTCPSocket(PR_AF_INET6);
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if (NULL == listenSock) {
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fprintf(stderr, "PR_OpenTCPSocket failed\n");
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exit(1);
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}
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memset(&addr, 0, sizeof(addr));
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if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) {
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fprintf(stderr, "PR_SetNetAddr failed\n");
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exit(1);
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}
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if (PR_Bind(listenSock, &addr) == PR_FAILURE) {
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fprintf(stderr, "PR_Bind failed\n");
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exit(1);
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}
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if (PR_GetSockName(listenSock, &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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port = PR_ntohs(addr.ipv6.port);
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if (PR_Listen(listenSock, 5) == PR_FAILURE) {
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fprintf(stderr, "PR_Listen failed\n");
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exit(1);
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}
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fprintf(stderr, "Running the test with local threads\n");
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RunTest(PR_LOCAL_THREAD, listenSock, port);
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fprintf(stderr, "Running the test with global threads\n");
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RunTest(PR_GLOBAL_THREAD, listenSock, port);
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if (PR_Close(listenSock) == PR_FAILURE) {
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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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