static void ConnectingThread(void *arg)
{
PRInt32 nbytes;
#ifdef SYMBIAN
char buf[256];
#else
char buf[1024];
#endif
PRFileDesc *sock;
PRNetAddr peer_addr, *addr;
addr = (PRNetAddr*)arg;
sock = PR_NewTCPSocket();
if (sock == NULL)
{
PL_FPrintError(err_out, "PR_NewTCPSocket (client) failed");
PR_ProcessExit(1);
}
if (PR_Connect(sock, addr, PR_INTERVAL_NO_TIMEOUT) == PR_FAILURE)
{
PL_FPrintError(err_out, "PR_Connect (client) failed");
PR_ProcessExit(1);
}
if (PR_GetPeerName(sock, &peer_addr) == PR_FAILURE)
{
PL_FPrintError(err_out, "PR_GetPeerName (client) failed");
PR_ProcessExit(1);
}
/*
** Then wait between the connection coming up and sending the expected
** data. At some point in time, the server should fail due to a timeou
** on the AcceptRead() operation, which according to the document is
** only due to the read() portion.
*/
PR_Sleep(write_dally);
nbytes = PR_Send(sock, GET, sizeof(GET), 0, PR_INTERVAL_NO_TIMEOUT);
if (nbytes == -1) PL_FPrintError(err_out, "PR_Send (client) failed");
nbytes = PR_Recv(sock, buf, sizeof(buf), 0, PR_INTERVAL_NO_TIMEOUT);
if (nbytes == -1) PL_FPrintError(err_out, "PR_Recv (client) failed");
else
{
PR_fprintf(std_out, "PR_Recv (client) succeeded: %d bytes\n", nbytes);
buf[sizeof(buf) - 1] = '\0';
PR_fprintf(std_out, "%s\n", buf);
}
if (PR_FAILURE == PR_Shutdown(sock, PR_SHUTDOWN_BOTH))
PL_FPrintError(err_out, "PR_Shutdown (client) failed");
if (PR_FAILURE == PR_Close(sock))
PL_FPrintError(err_out, "PR_Close (client) failed");
return;
} /* ConnectingThread */
int main(int argc, char **argv)
{
PRHostEnt he;
PRStatus status;
PRIntn next_index;
PRUint16 port_number;
char netdb_buf[PR_NETDB_BUF_SIZE];
PRNetAddr client_addr, server_addr;
PRThread *client_thread, *server_thread;
PRIntervalTime delta = PR_MillisecondsToInterval(500);
err_out = PR_STDERR;
std_out = PR_STDOUT;
accept_timeout = PR_SecondsToInterval(2);
emu_layer_ident = PR_GetUniqueIdentity("Emulated AcceptRead");
emu_layer_methods = *PR_GetDefaultIOMethods();
emu_layer_methods.acceptread = emu_AcceptRead;
if (argc != 2 && argc != 3) port_number = DEFAULT_PORT;
else port_number = (PRUint16)atoi(argv[(argc == 2) ? 1 : 2]);
status = PR_InitializeNetAddr(PR_IpAddrAny, port_number, &server_addr);
if (PR_SUCCESS != status)
{
PL_FPrintError(err_out, "PR_InitializeNetAddr failed");
PR_ProcessExit(1);
}
if (argc < 3)
{
status = PR_InitializeNetAddr(
PR_IpAddrLoopback, port_number, &client_addr);
if (PR_SUCCESS != status)
{
PL_FPrintError(err_out, "PR_InitializeNetAddr failed");
PR_ProcessExit(1);
}
}
else
{
status = PR_GetHostByName(
argv[1], netdb_buf, sizeof(netdb_buf), &he);
if (status == PR_FAILURE)
{
PL_FPrintError(err_out, "PR_GetHostByName failed");
PR_ProcessExit(1);
}
next_index = PR_EnumerateHostEnt(0, &he, port_number, &client_addr);
if (next_index == -1)
{
PL_FPrintError(err_out, "PR_EnumerateHostEnt failed");
PR_ProcessExit(1);
}
}
for (
write_dally = 0;
write_dally < accept_timeout + (2 * delta);
write_dally += delta)
{
PR_fprintf(
std_out, "Testing w/ write_dally = %d msec\n",
PR_IntervalToMilliseconds(write_dally));
server_thread = PR_CreateThread(
PR_USER_THREAD, AcceptingThread, &server_addr,
PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);
if (server_thread == NULL)
{
PL_FPrintError(err_out, "PR_CreateThread (server) failed");
PR_ProcessExit(1);
}
PR_Sleep(delta); /* let the server pot thicken */
client_thread = PR_CreateThread(
PR_USER_THREAD, ConnectingThread, &client_addr,
PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);
if (client_thread == NULL)
{
PL_FPrintError(err_out, "PR_CreateThread (client) failed");
PR_ProcessExit(1);
}
if (PR_JoinThread(client_thread) == PR_FAILURE)
PL_FPrintError(err_out, "PR_JoinThread (client) failed");
if (PR_JoinThread(server_thread) == PR_FAILURE)
PL_FPrintError(err_out, "PR_JoinThread (server) failed");
}
return 0;
}
static void AcceptingThread(void *arg)
{
PRStatus rv;
PRInt32 bytes;
PRSize buf_size = BUF_SIZE;
PRUint8 buf[BUF_SIZE + (2 * sizeof(PRNetAddr)) + 32];
PRNetAddr *accept_addr, *listen_addr = (PRNetAddr*)arg;
PRFileDesc *accept_sock, *listen_sock = PR_NewTCPSocket();
PRFileDesc *layer;
PRSocketOptionData sock_opt;
if (NULL == listen_sock)
{
PL_FPrintError(err_out, "PR_NewTCPSocket (server) failed");
PR_ProcessExit(1);
}
layer = PR_CreateIOLayerStub(emu_layer_ident, &emu_layer_methods);
if (NULL == layer)
{
PL_FPrintError(err_out, "PR_CreateIOLayerStub (server) failed");
PR_ProcessExit(1);
}
if (PR_PushIOLayer(listen_sock, PR_TOP_IO_LAYER, layer) == PR_FAILURE)
{
PL_FPrintError(err_out, "PR_PushIOLayer (server) failed");
PR_ProcessExit(1);
}
sock_opt.option = PR_SockOpt_Reuseaddr;
sock_opt.value.reuse_addr = PR_TRUE;
rv = PR_SetSocketOption(listen_sock, &sock_opt);
if (PR_FAILURE == rv)
{
PL_FPrintError(err_out, "PR_SetSocketOption (server) failed");
PR_ProcessExit(1);
}
rv = PR_Bind(listen_sock, listen_addr);
if (PR_FAILURE == rv)
{
PL_FPrintError(err_out, "PR_Bind (server) failed");
PR_ProcessExit(1);
}
rv = PR_Listen(listen_sock, 10);
if (PR_FAILURE == rv)
{
PL_FPrintError(err_out, "PR_Listen (server) failed");
PR_ProcessExit(1);
}
bytes = PR_AcceptRead(
listen_sock, &accept_sock, &accept_addr, buf, buf_size, accept_timeout);
if (-1 == bytes) PL_FPrintError(err_out, "PR_AcceptRead (server) failed");
else
{
PrintAddress(accept_addr);
PR_fprintf(
std_out, "(Server) read [0x%p..0x%p) %s\n",
buf, &buf[BUF_SIZE], buf);
bytes = PR_Write(accept_sock, buf, bytes);
rv = PR_Shutdown(accept_sock, PR_SHUTDOWN_BOTH);
if (PR_FAILURE == rv)
PL_FPrintError(err_out, "PR_Shutdown (server) failed");
}
if (-1 != bytes)
{
rv = PR_Close(accept_sock);
if (PR_FAILURE == rv)
PL_FPrintError(err_out, "PR_Close (server) failed");
}
rv = PR_Close(listen_sock);
if (PR_FAILURE == rv)
PL_FPrintError(err_out, "PR_Close (server) failed");
} /* AcceptingThread */
int main(int argc, char **argv)
#endif
{
PLOptStatus os;
PRIntn duration = DEFAULT_DURATION;
PRUint32 totalCount, highCount = 0, lowCount = 0;
PLOptState *opt = PL_CreateOptState(argc, argv, "hdc:");
debug_out = PR_STDOUT;
oneSecond = PR_SecondsToInterval(1);
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug mode */
debug_mode = PR_TRUE;
break;
case 'c': /* test duration */
duration = atoi(opt->value);
break;
case 'h': /* help message */
default:
Help();
return 2;
}
}
PL_DestroyOptState(opt);
PR_STDIO_INIT();
if (duration == 0) duration = DEFAULT_DURATION;
RudimentaryTests();
printf("Priority test: running for %d seconds\n\n", duration);
(void)PerSecond(PR_IntervalNow());
totalCount = PerSecond(PR_IntervalNow());
PR_SetThreadPriority(PR_GetCurrentThread(), PR_PRIORITY_URGENT);
if (debug_mode)
{
PR_fprintf(debug_out,
"The high priority thread should get approximately three\n");
PR_fprintf( debug_out,
"times what the low priority thread manages. A maximum of \n");
PR_fprintf( debug_out, "%d cycles are available.\n\n", totalCount);
}
duration = (duration + 4) / 5;
CreateThreads(&lowCount, &highCount);
while (duration--)
{
PRIntn loop = 5;
while (loop--) PR_Sleep(oneSecond);
if (debug_mode)
PR_fprintf(debug_out, "high : low :: %d : %d\n", highCount, lowCount);
}
PR_ProcessExit((failed) ? 1 : 0);
PR_NOT_REACHED("You can't get here -- but you did!");
return 1; /* or here */
} /* main */
int main(int argc, char **argv)
{
#if !(defined(SYMBIAN) && defined(__WINS__))
PRInt32 rv, cnt, sum;
DataRecord *Item;
PRStack *list1, *list2;
PRStackElem *node;
PRStatus rc;
PRInt32 thread_cnt = DEFAULT_THREAD_CNT;
PRInt32 data_cnt = DEFAULT_DATA_CNT;
PRInt32 loops = DEFAULT_LOOP_CNT;
PRThread **threads;
stack_data *thread_args;
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "dt:c:l:");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug mode */
_debug_on = 1;
break;
case 't': /* thread count */
thread_cnt = atoi(opt->value);
break;
case 'c': /* data count */
data_cnt = atoi(opt->value);
break;
case 'l': /* loop count */
loops = atoi(opt->value);
break;
default:
break;
}
}
PL_DestroyOptState(opt);
PR_SetConcurrency(4);
output = PR_GetSpecialFD(PR_StandardOutput);
errhandle = PR_GetSpecialFD(PR_StandardError);
list1 = PR_CreateStack("Stack_1");
if (list1 == NULL) {
PR_fprintf(errhandle, "PR_CreateStack failed - error %d\n",
PR_GetError());
return 1;
}
list2 = PR_CreateStack("Stack_2");
if (list2 == NULL) {
PR_fprintf(errhandle, "PR_CreateStack failed - error %d\n",
PR_GetError());
return 1;
}
threads = (PRThread**) PR_CALLOC(sizeof(PRThread*) * thread_cnt);
thread_args = (stack_data *) PR_CALLOC(sizeof(stack_data) * thread_cnt);
if (_debug_on)
PR_fprintf(output,"%s: thread_cnt = %d data_cnt = %d\n", argv[0],
thread_cnt, data_cnt);
for(cnt = 0; cnt < thread_cnt; cnt++) {
PRThreadScope scope;
thread_args[cnt].list1 = list1;
thread_args[cnt].list2 = list2;
thread_args[cnt].loops = loops;
thread_args[cnt].data_cnt = data_cnt;
thread_args[cnt].initial_data_value = 1 + cnt * data_cnt;
if (cnt & 1)
scope = PR_GLOBAL_THREAD;
else
scope = PR_LOCAL_THREAD;
threads[cnt] = PR_CreateThread(PR_USER_THREAD,
stackop, &thread_args[cnt],
PR_PRIORITY_NORMAL,
scope,
PR_JOINABLE_THREAD,
0);
if (threads[cnt] == NULL) {
PR_fprintf(errhandle, "PR_CreateThread failed - error %d\n",
PR_GetError());
PR_ProcessExit(2);
}
if (_debug_on)
PR_fprintf(output,"%s: created thread = 0x%x\n", argv[0],
threads[cnt]);
}
for(cnt = 0; cnt < thread_cnt; cnt++) {
rc = PR_JoinThread(threads[cnt]);
PR_ASSERT(rc == PR_SUCCESS);
}
node = PR_StackPop(list1);
/*
* list1 should be empty
*/
if (node != NULL) {
PR_fprintf(errhandle, "Error - Stack 1 not empty\n");
PR_ASSERT(node == NULL);
PR_ProcessExit(4);
}
cnt = data_cnt * thread_cnt;
sum = 0;
while (cnt-- > 0) {
node = PR_StackPop(list2);
/*
* There should be at least 'cnt' number of records
*/
if (node == NULL) {
PR_fprintf(errhandle, "Error - PR_StackPop returned NULL\n");
PR_ProcessExit(3);
}
Item = RECORD_LINK_PTR(node);
sum += Item->data;
}
node = PR_StackPop(list2);
/*
* there should be exactly 'cnt' number of records
*/
if (node != NULL) {
PR_fprintf(errhandle, "Error - Stack 2 not empty\n");
PR_ASSERT(node == NULL);
PR_ProcessExit(4);
}
PR_DELETE(threads);
PR_DELETE(thread_args);
PR_DestroyStack(list1);
PR_DestroyStack(list2);
if (sum == SUM_OF_NUMBERS(data_cnt * thread_cnt)) {
PR_fprintf(output, "%s successful\n", argv[0]);
PR_fprintf(output, "\t\tsum = 0x%x, expected = 0x%x\n", sum,
SUM_OF_NUMBERS(thread_cnt * data_cnt));
return 0;
} else {
PR_fprintf(output, "%s failed: sum = 0x%x, expected = 0x%x\n",
argv[0], sum,
SUM_OF_NUMBERS(data_cnt * thread_cnt));
return 2;
}
#endif
}
static void stackop(void *thread_arg)
{
PRInt32 val, cnt, index, loops;
DataRecord *Items, *Item;
PRStack *list1, *list2;
PRStackElem *node;
stack_data *arg = (stack_data *) thread_arg;
val = arg->initial_data_value;
cnt = arg->data_cnt;
loops = arg->loops;
list1 = arg->list1;
list2 = arg->list2;
/*
* allocate memory for the data records
*/
Items = (DataRecord *) PR_CALLOC(sizeof(DataRecord) * cnt);
PR_ASSERT(Items != NULL);
index = 0;
if (_debug_on)
PR_fprintf(output,
"Thread[0x%x] init_val = %d cnt = %d data1 = 0x%x datan = 0x%x\n",
PR_GetCurrentThread(), val, cnt, &Items[0], &Items[cnt-1]);
/*
* add the data records to list1
*/
while (cnt-- > 0) {
Items[index].data = val++;
PR_StackPush(list1, &Items[index].link);
index++;
}
/*
* pop data records from list1 and add them back to list1
* generates contention for the stack accesses
*/
while (loops-- > 0) {
cnt = arg->data_cnt;
while (cnt-- > 0) {
node = PR_StackPop(list1);
if (node == NULL) {
PR_fprintf(errhandle, "Error - PR_StackPop returned NULL\n");
PR_ASSERT(node != NULL);
PR_ProcessExit(3);
}
PR_StackPush(list1, node);
}
}
/*
* remove the data records from list1 and add them to list2
*/
cnt = arg->data_cnt;
while (cnt-- > 0) {
node = PR_StackPop(list1);
if (node == NULL) {
PR_fprintf(errhandle, "Error - PR_StackPop returned NULL\n");
PR_ASSERT(node != NULL);
PR_ProcessExit(3);
}
PR_StackPush(list2, node);
}
if (_debug_on)
PR_fprintf(output,
"Thread[0x%x] init_val = %d cnt = %d exiting\n",
PR_GetCurrentThread(), val, cnt);
}