/* -*- 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 ;
}
Messung V0.5 in Prozent C=84 H=91 G=87
¤ Dauer der Verarbeitung: 0.19 Sekunden
(vorverarbeitet am 2026-06-05)
¤
*© Formatika GbR, Deutschland