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gecko-dev/nsprpub/pr/tests/peek.c

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11 KiB
C
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/* -*- 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/. */
/*
* A test case for the PR_MSG_PEEK flag of PR_Recv().
*
* Test both blocking and non-blocking sockets.
*/
#include "nspr.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define BUFFER_SIZE 1024
static int iterations = 10;
/*
* In iteration i, recv_amount[i] is the number of bytes we
* wish to receive, and send_amount[i] is the number of bytes
* we actually send. Therefore, the number of elements in the
* recv_amount or send_amount array should equal to 'iterations'.
* For this test to pass we need to ensure that
* recv_amount[i] <= BUFFER_SIZE,
* send_amount[i] <= BUFFER_SIZE,
* send_amount[i] <= recv_amount[i].
*/
static PRInt32 recv_amount[10] = {
16, 128, 256, 1024, 512, 512, 128, 256, 32, 32};
static PRInt32 send_amount[10] = {
16, 64, 128, 1024, 512, 256, 128, 64, 16, 32};
/* Blocking I/O */
static void ServerB(void *arg)
{
PRFileDesc *listenSock = (PRFileDesc *) arg;
PRFileDesc *sock;
char buf[BUFFER_SIZE];
PRInt32 nbytes;
int i;
int j;
sock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
if (NULL == sock) {
fprintf(stderr, "PR_Accept failed\n");
exit(1);
}
for (i = 0; i < iterations; i++) {
memset(buf, 0, sizeof(buf));
nbytes = PR_Recv(sock, buf, recv_amount[i],
PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);
if (-1 == nbytes) {
fprintf(stderr, "PR_Recv failed\n");
exit(1);
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
exit(1);
}
for (j = 0; j < nbytes; j++) {
if (buf[j] != 2*i) {
fprintf(stderr, "byte %d should be %d but is %d\n",
j, 2*i, buf[j]);
exit(1);
}
}
fprintf(stderr, "server: peeked expected data\n");
memset(buf, 0, sizeof(buf));
nbytes = PR_Recv(sock, buf, recv_amount[i],
PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);
if (-1 == nbytes) {
fprintf(stderr, "PR_Recv failed\n");
exit(1);
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
exit(1);
}
for (j = 0; j < nbytes; j++) {
if (buf[j] != 2*i) {
fprintf(stderr, "byte %d should be %d but is %d\n",
j, 2*i, buf[j]);
exit(1);
}
}
fprintf(stderr, "server: peeked expected data\n");
memset(buf, 0, sizeof(buf));
nbytes = PR_Recv(sock, buf, recv_amount[i],
0, PR_INTERVAL_NO_TIMEOUT);
if (-1 == nbytes) {
fprintf(stderr, "PR_Recv failed\n");
exit(1);
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
exit(1);
}
for (j = 0; j < nbytes; j++) {
if (buf[j] != 2*i) {
fprintf(stderr, "byte %d should be %d but is %d\n",
j, 2*i, buf[j]);
exit(1);
}
}
fprintf(stderr, "server: received expected data\n");
PR_Sleep(PR_SecondsToInterval(1));
memset(buf, 2*i+1, send_amount[i]);
nbytes = PR_Send(sock, buf, send_amount[i],
0, PR_INTERVAL_NO_TIMEOUT);
if (-1 == nbytes) {
fprintf(stderr, "PR_Send failed\n");
exit(1);
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Send returned %d, absurd!\n", nbytes);
exit(1);
}
}
if (PR_Close(sock) == PR_FAILURE) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
}
/* Non-blocking I/O */
static void ClientNB(void *arg)
{
PRFileDesc *sock;
PRSocketOptionData opt;
PRUint16 port = (PRUint16) arg;
PRNetAddr addr;
char buf[BUFFER_SIZE];
PRPollDesc pd;
PRInt32 npds;
PRInt32 nbytes;
int i;
int j;
sock = PR_OpenTCPSocket(PR_AF_INET6);
if (NULL == sock) {
fprintf(stderr, "PR_OpenTCPSocket failed\n");
exit(1);
}
opt.option = PR_SockOpt_Nonblocking;
opt.value.non_blocking = PR_TRUE;
if (PR_SetSocketOption(sock, &opt) == PR_FAILURE) {
fprintf(stderr, "PR_SetSocketOption failed\n");
exit(1);
}
memset(&addr, 0, sizeof(addr));
if (PR_SetNetAddr(PR_IpAddrLoopback, PR_AF_INET6, port, &addr)
== PR_FAILURE) {
fprintf(stderr, "PR_SetNetAddr failed\n");
exit(1);
}
if (PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT) == PR_FAILURE) {
if (PR_GetError() != PR_IN_PROGRESS_ERROR) {
fprintf(stderr, "PR_Connect failed\n");
exit(1);
}
pd.fd = sock;
pd.in_flags = PR_POLL_WRITE | PR_POLL_EXCEPT;
npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
if (-1 == npds) {
fprintf(stderr, "PR_Poll failed\n");
exit(1);
}
if (1 != npds) {
fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);
exit(1);
}
if (PR_GetConnectStatus(&pd) == PR_FAILURE) {
fprintf(stderr, "PR_GetConnectStatus failed\n");
exit(1);
}
}
for (i = 0; i < iterations; i++) {
PR_Sleep(PR_SecondsToInterval(1));
memset(buf, 2*i, send_amount[i]);
while ((nbytes = PR_Send(sock, buf, send_amount[i],
0, PR_INTERVAL_NO_TIMEOUT)) == -1) {
if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {
fprintf(stderr, "PR_Send failed\n");
exit(1);
}
pd.fd = sock;
pd.in_flags = PR_POLL_WRITE;
npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
if (-1 == npds) {
fprintf(stderr, "PR_Poll failed\n");
exit(1);
}
if (1 != npds) {
fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);
exit(1);
}
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Send returned %d, absurd!\n", nbytes);
exit(1);
}
memset(buf, 0, sizeof(buf));
while ((nbytes = PR_Recv(sock, buf, recv_amount[i],
PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT)) == -1) {
if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {
fprintf(stderr, "PR_Recv failed\n");
exit(1);
}
pd.fd = sock;
pd.in_flags = PR_POLL_READ;
npds = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
if (-1 == npds) {
fprintf(stderr, "PR_Poll failed\n");
exit(1);
}
if (1 != npds) {
fprintf(stderr, "PR_Poll returned %d, absurd!\n", npds);
exit(1);
}
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
exit(1);
}
for (j = 0; j < nbytes; j++) {
if (buf[j] != 2*i+1) {
fprintf(stderr, "byte %d should be %d but is %d\n",
j, 2*i+1, buf[j]);
exit(1);
}
}
fprintf(stderr, "client: peeked expected data\n");
memset(buf, 0, sizeof(buf));
nbytes = PR_Recv(sock, buf, recv_amount[i],
PR_MSG_PEEK, PR_INTERVAL_NO_TIMEOUT);
if (-1 == nbytes) {
fprintf(stderr, "PR_Recv failed\n");
exit(1);
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
exit(1);
}
for (j = 0; j < nbytes; j++) {
if (buf[j] != 2*i+1) {
fprintf(stderr, "byte %d should be %d but is %d\n",
j, 2*i+1, buf[j]);
exit(1);
}
}
fprintf(stderr, "client: peeked expected data\n");
memset(buf, 0, sizeof(buf));
nbytes = PR_Recv(sock, buf, recv_amount[i],
0, PR_INTERVAL_NO_TIMEOUT);
if (-1 == nbytes) {
fprintf(stderr, "PR_Recv failed\n");
exit(1);
}
if (send_amount[i] != nbytes) {
fprintf(stderr, "PR_Recv returned %d, absurd!\n", nbytes);
exit(1);
}
for (j = 0; j < nbytes; j++) {
if (buf[j] != 2*i+1) {
fprintf(stderr, "byte %d should be %d but is %d\n",
j, 2*i+1, buf[j]);
exit(1);
}
}
fprintf(stderr, "client: received expected data\n");
}
if (PR_Close(sock) == PR_FAILURE) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
}
static void
RunTest(PRThreadScope scope, PRFileDesc *listenSock, PRUint16 port)
{
PRThread *server, *client;
server = PR_CreateThread(PR_USER_THREAD, ServerB, listenSock,
PR_PRIORITY_NORMAL, scope, PR_JOINABLE_THREAD, 0);
if (NULL == server) {
fprintf(stderr, "PR_CreateThread failed\n");
exit(1);
}
client = PR_CreateThread(
PR_USER_THREAD, ClientNB, (void *) port,
PR_PRIORITY_NORMAL, scope, PR_JOINABLE_THREAD, 0);
if (NULL == client) {
fprintf(stderr, "PR_CreateThread failed\n");
exit(1);
}
if (PR_JoinThread(server) == PR_FAILURE) {
fprintf(stderr, "PR_JoinThread failed\n");
exit(1);
}
if (PR_JoinThread(client) == PR_FAILURE) {
fprintf(stderr, "PR_JoinThread failed\n");
exit(1);
}
}
int main(int argc, char **argv)
{
PRFileDesc *listenSock;
PRNetAddr addr;
PRUint16 port;
listenSock = PR_OpenTCPSocket(PR_AF_INET6);
if (NULL == listenSock) {
fprintf(stderr, "PR_OpenTCPSocket failed\n");
exit(1);
}
memset(&addr, 0, sizeof(addr));
if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_SetNetAddr failed\n");
exit(1);
}
if (PR_Bind(listenSock, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_Bind failed\n");
exit(1);
}
if (PR_GetSockName(listenSock, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_GetSockName failed\n");
exit(1);
}
port = PR_ntohs(addr.ipv6.port);
if (PR_Listen(listenSock, 5) == PR_FAILURE) {
fprintf(stderr, "PR_Listen failed\n");
exit(1);
}
fprintf(stderr, "Running the test with local threads\n");
RunTest(PR_LOCAL_THREAD, listenSock, port);
fprintf(stderr, "Running the test with global threads\n");
RunTest(PR_GLOBAL_THREAD, listenSock, port);
if (PR_Close(listenSock) == PR_FAILURE) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
printf("PASS\n");
return 0;
}
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