NSAPI_PUBLIC int net_select(int nfds, fd_set *r, fd_set *w, fd_set *e,
struct timeval *timeout)
{
/* this is ugly */
PR_fd_set rd, wr, ex;
int index;
int rv;
if (nfds > (64*1024))
return -1;
PR_FD_ZERO(&rd);
PR_FD_ZERO(&wr);
PR_FD_ZERO(&ex);
for (index=0; index<nfds; index++) {
if (FD_ISSET(index, r))
PR_FD_NSET(index, &rd);
if (FD_ISSET(index, w))
PR_FD_NSET(index, &wr);
if (FD_ISSET(index, e))
PR_FD_NSET(index, &ex);
}
rv = PR_Select(0, &rd, &wr, &ex, PR_SecondsToInterval(timeout->tv_sec));
if (rv > 0) {
FD_ZERO(r);
FD_ZERO(w);
FD_ZERO(e);
for (index=0; index<nfds; index++) {
if (PR_FD_NISSET(index, &rd))
FD_SET(index, r);
if (PR_FD_NISSET(index, &wr))
FD_SET(index, w);
if (PR_FD_NISSET(index, &ex))
FD_SET(index, e);
}
}
return rv;
}
static void PR_CALLBACK
clientThreadFunc(void *arg)
{
PRUintn port = (PRUintn)arg;
PRFileDesc *sock;
PRNetAddr addr;
char buf[CHUNK_SIZE];
int i;
PRIntervalTime unitTime = PR_MillisecondsToInterval(UNIT_TIME);
PRIntn optval = 1;
PRStatus retVal;
PRInt32 nBytes;
addr.inet.family = AF_INET;
addr.inet.port = PR_htons((PRUint16)port);
addr.inet.ip = PR_htonl(INADDR_LOOPBACK);
PR_snprintf(buf, sizeof(buf), "%hu", addr.inet.ip);
/* time 1 */
PR_Sleep(unitTime);
sock = PR_NewTCPSocket();
PR_SetSockOpt(sock, PR_SockOpt_Nonblocking, &optval, sizeof(optval));
retVal = PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT);
if (retVal == PR_FAILURE && PR_GetError() == PR_IN_PROGRESS_ERROR) {
#if !defined(USE_PR_SELECT)
PRPollDesc pd;
PRInt32 n;
fprintf(stderr, "connect: EWOULDBLOCK, good\n");
pd.fd = sock;
pd.in_flags = PR_POLL_WRITE;
n = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
PR_ASSERT(n == 1);
PR_ASSERT(pd.out_flags == PR_POLL_WRITE);
#else
PR_fd_set writeSet;
PRInt32 n;
fprintf(stderr, "connect: EWOULDBLOCK, good\n");
PR_FD_ZERO(&writeSet);
PR_FD_SET(sock, &writeSet);
n = PR_Select(0, NULL, &writeSet, NULL, PR_INTERVAL_NO_TIMEOUT);
PR_ASSERT(n == 1);
PR_ASSERT(PR_FD_ISSET(sock, &writeSet));
#endif
}
printf("client connected\n");
fflush(stdout);
/* time 4, 7, 11, etc. */
for (i = 0; i < NUMBER_ROUNDS; i++) {
PR_Sleep(3 * unitTime);
nBytes = PR_Write(sock, buf, sizeof(buf));
if (nBytes == -1) {
if (PR_GetError() == PR_WOULD_BLOCK_ERROR) {
fprintf(stderr, "write: EWOULDBLOCK\n");
exit(1);
} else {
fprintf(stderr, "write: failed\n");
}
}
printf("client sent %d bytes\n", nBytes);
fflush(stdout);
}
PR_Close(sock);
}
int main(int argc, char **argv)
#endif
{
PRFileDesc *listenSock1, *listenSock2;
PRUint16 listenPort1, listenPort2;
PRNetAddr addr;
PR_fd_set readFdSet;
char buf[128];
PRInt32 retVal;
/* The command line argument: -d is used to determine if the test is being run
in debug mode. The regress tool requires only one line output:PASS or FAIL.
All of the printfs associated with this test has been handled with a if (debug_mode)
test.
Usage: test_name -d
*/
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "d:");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug mode */
debug_mode = 1;
break;
default:
break;
}
}
PL_DestroyOptState(opt);
/* main test */
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
PR_STDIO_INIT();
if (debug_mode) {
printf("This program tests PR_Select with sockets. Timeout \n");
printf("operations are tested.\n\n");
}
/* Create two listening sockets */
if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Can't create a new TCP socket\n");
failed_already=1;
goto exit_now;
}
addr.inet.family = PR_AF_INET;
addr.inet.ip = PR_htonl(PR_INADDR_ANY);
addr.inet.port = PR_htons(0);
if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
fprintf(stderr, "Can't bind socket\n");
failed_already=1;
goto exit_now;
}
if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_GetSockName failed\n");
failed_already=1;
goto exit_now;
}
listenPort1 = PR_ntohs(addr.inet.port);
if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
fprintf(stderr, "Can't listen on a socket\n");
failed_already=1;
goto exit_now;
}
if ((listenSock2 = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Can't create a new TCP socket\n");
failed_already=1;
goto exit_now;
}
addr.inet.family = PR_AF_INET;
addr.inet.ip = PR_htonl(PR_INADDR_ANY);
addr.inet.port = PR_htons(0);
if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
fprintf(stderr, "Can't bind socket\n");
failed_already=1;
goto exit_now;
}
if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_GetSockName failed\n");
failed_already=1;
goto exit_now;
}
listenPort2 = PR_ntohs(addr.inet.port);
if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
fprintf(stderr, "Can't listen on a socket\n");
failed_already=1;
goto exit_now;
}
PR_snprintf(buf, sizeof(buf),
"The server thread is listening on ports %hu and %hu\n\n",
listenPort1, listenPort2);
if (debug_mode) printf("%s", buf);
/* Set up the fd set */
PR_FD_ZERO(&readFdSet);
PR_FD_SET(listenSock1, &readFdSet);
PR_FD_SET(listenSock2, &readFdSet);
/* Testing timeout */
if (debug_mode) printf("PR_Select should time out in 5 seconds\n");
retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
PR_SecondsToInterval(5));
if (retVal != 0) {
PR_snprintf(buf, sizeof(buf),
"PR_Select should time out and return 0, but it returns %ld\n",
retVal);
fprintf(stderr, "%s", buf);
if (retVal == -1) {
fprintf(stderr, "Error %d, oserror %d\n", PR_GetError(),
PR_GetOSError());
failed_already=1;
}
goto exit_now;
}
if (debug_mode) printf("PR_Select timed out. Test passed.\n\n");
PR_Cleanup();
exit_now:
if(failed_already)
return 1;
else
return 0;
}
static void PRSelectTest(void)
{
PRFileDesc *listenSocket;
PRNetAddr serverAddr;
if ( (listenSocket = PR_NewTCPSocket()) == NULL) {
if (debug_mode) printf("\tServer error creating listen socket\n");
return;
}
memset(&serverAddr, 0, sizeof(PRNetAddr));
serverAddr.inet.family = AF_INET;
serverAddr.inet.port = PR_htons(PORT);
serverAddr.inet.ip = PR_htonl(INADDR_ANY);
if ( PR_Bind(listenSocket, &serverAddr) == PR_FAILURE) {
if (debug_mode) printf("\tServer error binding to server address\n");
PR_Close(listenSocket);
return;
}
if ( PR_Listen(listenSocket, 128) == PR_FAILURE) {
if (debug_mode) printf("\tServer error listening to server socket\n");
PR_Close(listenSocket);
return;
}
if (debug_mode) printf("Listening on port %d\n", PORT);
{
PRFileDesc *newSock;
PRNetAddr rAddr;
PRInt32 loops = 0;
PR_fd_set rdset;
PRInt32 rv;
PRInt32 bytesRead;
char buf[11];
loops++;
if (debug_mode) printf("Going into accept\n");
newSock = PR_Accept(listenSocket,
&rAddr,
PR_INTERVAL_NO_TIMEOUT);
if (newSock) {
if (debug_mode) printf("Got connection!\n");
} else {
if (debug_mode) printf("PR_Accept failed: error code %d\n", PR_GetError());
else Test_Result (FAIL);
}
PR_FD_ZERO(&rdset);
PR_FD_SET(newSock, &rdset);
if (debug_mode) printf("Going into select \n");
rv = PR_Select(0, &rdset, 0, 0, PR_INTERVAL_NO_TIMEOUT);
if (debug_mode) printf("return from select is %d\n", rv);
if (PR_FD_ISSET(newSock, &rdset)) {
if (debug_mode) printf("I can't believe it- the socket is ready okay!\n");
} else {
if (debug_mode) printf("Damn; the select test failed...\n");
else Test_Result (FAIL);
}
strcpy(buf, "XXXXXXXXXX");
bytesRead = PR_Recv(newSock, buf, 10, 0, PR_INTERVAL_NO_TIMEOUT);
buf[10] = '\0';
if (debug_mode) printf("Recv completed with %d bytes, %s\n", bytesRead, buf);
PR_Close(newSock);
}
}
int main(int argc, char **argv)
{
PRFileDesc *listenSock1, *listenSock2;
PRFileDesc *fds0[10], *fds1[10], **fds, **other_fds;
PRIntn nfds;
PRUint16 listenPort1, listenPort2;
PRNetAddr addr;
PR_fd_set readFdSet;
char buf[128];
PRThread *clientThread;
PRInt32 retVal;
PRIntn i, j;
/* The command line argument: -d is used to determine if the test is being run
in debug mode. The regress tool requires only one line output:PASS or FAIL.
All of the printfs associated with this test has been handled with a if (debug_mode)
test.
Usage: test_name -d
*/
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "d:");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug mode */
debug_mode = 1;
break;
default:
break;
}
}
PL_DestroyOptState(opt);
/* main test */
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
PR_STDIO_INIT();
if (debug_mode) {
printf("This program tests PR_Select with sockets. \n");
printf(" Normal operation are tested.\n\n");
}
/* Create two listening sockets */
if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Can't create a new TCP socket\n");
failed_already=1;
goto exit_now;
}
addr.inet.family = AF_INET;
addr.inet.ip = PR_htonl(INADDR_ANY);
addr.inet.port = PR_htons(0);
if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
fprintf(stderr, "Can't bind socket\n");
failed_already=1;
goto exit_now;
}
if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_GetSockName failed\n");
failed_already=1;
goto exit_now;
}
listenPort1 = PR_ntohs(addr.inet.port);
if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
fprintf(stderr, "Can't listen on a socket\n");
failed_already=1;
goto exit_now;
}
if ((listenSock2 = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Can't create a new TCP socket\n");
failed_already=1;
goto exit_now;
}
addr.inet.family = AF_INET;
addr.inet.ip = PR_htonl(INADDR_ANY);
addr.inet.port = PR_htons(0);
if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
fprintf(stderr, "Can't bind socket\n");
failed_already=1;
goto exit_now;
}
if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_GetSockName failed\n");
failed_already=1;
goto exit_now;
}
listenPort2 = PR_ntohs(addr.inet.port);
if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
fprintf(stderr, "Can't listen on a socket\n");
failed_already=1;
goto exit_now;
}
PR_snprintf(buf, sizeof(buf),
"The server thread is listening on ports %hu and %hu\n\n",
listenPort1, listenPort2);
if (debug_mode) printf("%s", buf);
clientThread = PR_CreateThread(PR_USER_THREAD,
clientThreadFunc, (void *) listenPort1,
PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
PR_UNJOINABLE_THREAD, 0);
if (clientThread == NULL) {
fprintf(stderr, "can't create thread\n");
failed_already=1;
goto exit_now;
}
clientThread = PR_CreateThread(PR_USER_THREAD,
clientThreadFunc, (void *) listenPort2,
PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
PR_UNJOINABLE_THREAD, 0);
if (clientThread == NULL) {
fprintf(stderr, "can't create thread\n");
failed_already=1;
goto exit_now;
}
if (debug_mode) {
printf("Two client threads are created. Each of them will\n");
printf("send data to one of the two ports the server is listening on.\n");
printf("The data they send is the port number. Each of them send\n");
printf("the data five times, so you should see ten lines below,\n");
printf("interleaved in an arbitrary order.\n");
}
/* set up the fd array */
fds = fds0;
other_fds = fds1;
fds[0] = listenSock1;
fds[1] = listenSock2;
nfds = 2;
/* Set up the fd set */
PR_FD_ZERO(&readFdSet);
PR_FD_SET(listenSock1, &readFdSet);
PR_FD_SET(listenSock2, &readFdSet);
/* 20 events total */
i = 0;
while (i < 20) {
PRFileDesc **tmp;
int nextIndex;
int nEvents = 0;
retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
PR_INTERVAL_NO_TIMEOUT);
PR_ASSERT(retVal != 0); /* no timeout */
if (retVal == -1) {
fprintf(stderr, "PR_Select failed (%d, %d)\n", PR_GetError(),
PR_GetOSError());
failed_already=1;
goto exit_now;
}
nextIndex = 2;
/* the two listening sockets */
for (j = 0; j < 2; j++) {
other_fds[j] = fds[j];
if (PR_FD_ISSET(fds[j], &readFdSet)) {
PRFileDesc *sock;
nEvents++;
sock = PR_Accept(fds[j], NULL, PR_INTERVAL_NO_TIMEOUT);
if (sock == NULL) {
fprintf(stderr, "PR_Accept() failed\n");
failed_already=1;
goto exit_now;
}
other_fds[nextIndex] = sock;
PR_FD_SET(sock, &readFdSet);
nextIndex++;
}
PR_FD_SET(fds[j], &readFdSet);
}
for (j = 2; j < nfds; j++) {
if (PR_FD_ISSET(fds[j], &readFdSet)) {
PRInt32 nBytes;
PR_FD_CLR(fds[j], &readFdSet);
nEvents++;
nBytes = PR_Read(fds[j], buf, sizeof(buf));
if (nBytes == -1) {
fprintf(stderr, "PR_Read() failed\n");
failed_already=1;
goto exit_now;
}
/* Just to be safe */
buf[127] = '\0';
PR_Close(fds[j]);
if (debug_mode) printf("The server received \"%s\" from a client\n", buf);
} else {
PR_FD_SET(fds[j], &readFdSet);
other_fds[nextIndex] = fds[j];
nextIndex++;
}
}
PR_ASSERT(retVal == nEvents);
/* swap */
tmp = fds;
fds = other_fds;
other_fds = tmp;
nfds = nextIndex;
i += nEvents;
}
if (debug_mode) printf("Test passed\n");
PR_Cleanup();
goto exit_now;
exit_now:
if(failed_already)
return 1;
else
return 0;
}
int main(int argc, char **argv)
{
PRFileDesc *listenSock1, *listenSock2;
PRFileDesc *badFD;
PRUint16 listenPort1, listenPort2;
PRNetAddr addr;
PR_fd_set readFdSet;
char buf[128];
PRInt32 retVal;
/* The command line argument: -d is used to determine if the test is being run
in debug mode. The regress tool requires only one line output:PASS or FAIL.
All of the printfs associated with this test has been handled with a if (debug_mode)
test.
Usage: test_name -d
*/
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "d:");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug mode */
debug_mode = 1;
break;
default:
break;
}
}
PL_DestroyOptState(opt);
/* main test */
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
PR_STDIO_INIT();
if (debug_mode) {
printf("This program tests PR_Select with sockets. Error\n");
printf("reporting operations are tested.\n\n");
}
/* Create two listening sockets */
if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Can't create a new TCP socket\n");
failed_already=1;
goto exit_now;
}
addr.inet.family = AF_INET;
addr.inet.ip = PR_htonl(INADDR_ANY);
addr.inet.port = PR_htons(0);
if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
fprintf(stderr, "Can't bind socket\n");
failed_already=1;
goto exit_now;
}
if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_GetSockName failed\n");
failed_already=1;
goto exit_now;
}
listenPort1 = PR_ntohs(addr.inet.port);
if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
fprintf(stderr, "Can't listen on a socket\n");
failed_already=1;
goto exit_now;
}
if ((listenSock2 = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Can't create a new TCP socket\n");
failed_already=1;
goto exit_now;
}
addr.inet.family = AF_INET;
addr.inet.ip = PR_htonl(INADDR_ANY);
addr.inet.port = PR_htons(0);
if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
fprintf(stderr, "Can't bind socket\n");
failed_already=1;
goto exit_now;
}
if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
fprintf(stderr, "PR_GetSockName failed\n");
failed_already=1;
goto exit_now;
}
listenPort2 = PR_ntohs(addr.inet.port);
if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
fprintf(stderr, "Can't listen on a socket\n");
failed_already=1;
goto exit_now;
}
PR_snprintf(buf, sizeof(buf),
"The server thread is listening on ports %hu and %hu\n\n",
listenPort1, listenPort2);
if (debug_mode) printf("%s", buf);
/* Set up the fd set */
PR_FD_ZERO(&readFdSet);
PR_FD_SET(listenSock1, &readFdSet);
PR_FD_SET(listenSock2, &readFdSet);
/* Testing bad fd */
if (debug_mode) printf("PR_Select should detect a bad file descriptor\n");
if ((badFD = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Can't create a TCP socket\n");
failed_already=1;
goto exit_now;
}
PR_FD_SET(badFD, &readFdSet);
/*
* Make the fd invalid
*/
#if defined(XP_UNIX)
close(PR_FileDesc2NativeHandle(badFD));
#elif defined(XP_OS2)
soclose(PR_FileDesc2NativeHandle(badFD));
#elif defined(WIN32) || defined(WIN16)
closesocket(PR_FileDesc2NativeHandle(badFD));
#else
#error "Unknown architecture"
#endif
retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
PR_INTERVAL_NO_TIMEOUT);
if (retVal != -1 || PR_GetError() != PR_BAD_DESCRIPTOR_ERROR) {
fprintf(stderr, "Failed to detect the bad fd: "
"PR_Select returns %d\n", retVal);
if (retVal == -1) {
fprintf(stderr, "Error %d, oserror %d\n", PR_GetError(),
PR_GetOSError());
failed_already=1;
}
goto exit_now;
}
if (debug_mode) printf("PR_Select detected a bad fd. Test passed.\n\n");
PR_FD_CLR(badFD, &readFdSet);
PR_Cleanup();
goto exit_now;
exit_now:
if(failed_already)
return 1;
else
return 0;
}