static void on_read_complete(pj_ioqueue_key_t *key,
pj_ioqueue_op_key_t *op_key,
pj_ssize_t bytes_read)
{
pj_ssize_t size;
char *sendbuf = "Hello world";
pj_status_t status;
if (sock_data.unregistered)
return;
pj_mutex_lock(sock_data.mutex);
if (sock_data.unregistered) {
pj_mutex_unlock(sock_data.mutex);
return;
}
if (bytes_read < 0) {
if (-bytes_read != PJ_STATUS_FROM_OS(PJ_BLOCKING_ERROR_VAL))
app_perror("ioqueue reported recv error", -bytes_read);
} else {
sock_data.received += bytes_read;
}
if (test_method == UNREGISTER_IN_CALLBACK) {
pj_time_val now;
pj_gettimeofday(&now);
if (PJ_TIME_VAL_GTE(now, time_to_unregister)) {
sock_data.unregistered = 1;
pj_ioqueue_unregister(key);
pj_mutex_destroy(sock_data.mutex);
pj_pool_release(sock_data.pool);
sock_data.pool = NULL;
return;
}
}
do {
size = sock_data.bufsize;
status = pj_ioqueue_recv(key, op_key, sock_data.buffer, &size, 0);
if (status != PJ_EPENDING && status != PJ_SUCCESS)
app_perror("recv() error", status);
} while (status == PJ_SUCCESS);
pj_mutex_unlock(sock_data.mutex);
size = pj_ansi_strlen(sendbuf);
status = pj_sock_send(sock_data.csock, sendbuf, &size, 0);
if (status != PJ_SUCCESS)
app_perror("send() error", status);
size = pj_ansi_strlen(sendbuf);
status = pj_sock_send(sock_data.csock, sendbuf, &size, 0);
if (status != PJ_SUCCESS)
app_perror("send() error", status);
}
//
// Start async receive.
//
pj_status_t recv( Pj_Async_Op *op_key,
void *buf, pj_ssize_t *len,
unsigned flags)
{
return pj_ioqueue_recv( key_, op_key,
buf, len, flags);
}
PJ_DEF(pj_status_t) pj_activesock_start_read2( pj_activesock_t *asock,
pj_pool_t *pool,
unsigned buff_size,
void *readbuf[],
pj_uint32_t flags)
{
unsigned i;
pj_status_t status;
PJ_ASSERT_RETURN(asock && pool && buff_size, PJ_EINVAL);
PJ_ASSERT_RETURN(asock->read_type == TYPE_NONE, PJ_EINVALIDOP);
PJ_ASSERT_RETURN(asock->read_op == NULL, PJ_EINVALIDOP);
asock->read_op = (struct read_op*)
pj_pool_calloc(pool, asock->async_count,
sizeof(struct read_op));
asock->read_type = TYPE_RECV;
asock->read_flags = flags;
for (i=0; i<asock->async_count; ++i) {
struct read_op *r = &asock->read_op[i];
pj_ssize_t size_to_read;
r->pkt = (pj_uint8_t*)readbuf[i];
size_to_read = r->max_size = buff_size;
status = pj_ioqueue_recv(asock->key, &r->op_key, r->pkt, &size_to_read,
PJ_IOQUEUE_ALWAYS_ASYNC | flags);
PJ_ASSERT_RETURN(status != PJ_SUCCESS, PJ_EBUG);
if (status != PJ_EPENDING)
return status;
}
return PJ_SUCCESS;
}
/* Callback when data has been read.
* Increment item->bytes_recv and ready to read the next data.
*/
static void on_read_complete(pj_ioqueue_key_t *key,
pj_ioqueue_op_key_t *op_key,
pj_ssize_t bytes_read)
{
test_item *item = (test_item*)pj_ioqueue_get_user_data(key);
pj_status_t rc;
int data_is_available = 1;
//TRACE_((THIS_FILE, " read complete, bytes_read=%d", bytes_read));
do {
if (thread_quit_flag)
return;
if (bytes_read < 0) {
char errmsg[PJ_ERR_MSG_SIZE];
rc = (pj_status_t)-bytes_read;
if (rc != last_error) {
//last_error = rc;
pj_strerror(rc, errmsg, sizeof(errmsg));
PJ_LOG(3,(THIS_FILE,"...error: read error, bytes_read=%d (%s)",
bytes_read, errmsg));
PJ_LOG(3,(THIS_FILE,
".....additional info: total read=%u, total sent=%u",
item->bytes_recv, item->bytes_sent));
} else {
last_error_counter++;
}
bytes_read = 0;
} else if (bytes_read == 0) {
PJ_LOG(3,(THIS_FILE, "...socket has closed!"));
}
item->bytes_recv += bytes_read;
/* To assure that the test quits, even if main thread
* doesn't have time to run.
*/
if (item->bytes_recv > item->buffer_size * 10000)
thread_quit_flag = 1;
bytes_read = item->buffer_size;
rc = pj_ioqueue_recv( key, op_key,
item->incoming_buffer, &bytes_read, 0 );
if (rc == PJ_SUCCESS) {
data_is_available = 1;
} else if (rc == PJ_EPENDING) {
data_is_available = 0;
} else {
data_is_available = 0;
if (rc != last_error) {
last_error = rc;
app_perror("...error: read error(1)", rc);
} else {
last_error_counter++;
}
}
if (!item->has_pending_send) {
pj_ssize_t sent = item->buffer_size;
rc = pj_ioqueue_send(item->client_key, &item->send_op,
item->outgoing_buffer, &sent, 0);
if (rc != PJ_SUCCESS && rc != PJ_EPENDING) {
app_perror("...error: write error", rc);
}
item->has_pending_send = (rc==PJ_EPENDING);
}
} while (data_is_available);
}
/* Calculate the bandwidth for the specific test configuration.
* The test is simple:
* - create sockpair_cnt number of producer-consumer socket pair.
* - create thread_cnt number of worker threads.
* - each producer will send buffer_size bytes data as fast and
* as soon as it can.
* - each consumer will read buffer_size bytes of data as fast
* as it could.
* - measure the total bytes received by all consumers during a
* period of time.
*/
static int perform_test(pj_bool_t allow_concur,
int sock_type, const char *type_name,
unsigned thread_cnt, unsigned sockpair_cnt,
pj_size_t buffer_size,
pj_size_t *p_bandwidth)
{
enum { MSEC_DURATION = 5000 };
pj_pool_t *pool;
test_item *items;
pj_thread_t **thread;
pj_ioqueue_t *ioqueue;
pj_status_t rc;
pj_ioqueue_callback ioqueue_callback;
pj_uint32_t total_elapsed_usec, total_received;
pj_highprec_t bandwidth;
pj_timestamp start, stop;
unsigned i;
TRACE_((THIS_FILE, " starting test.."));
ioqueue_callback.on_read_complete = &on_read_complete;
ioqueue_callback.on_write_complete = &on_write_complete;
thread_quit_flag = 0;
pool = pj_pool_create(mem, NULL, 4096, 4096, NULL);
if (!pool)
return -10;
items = (test_item*) pj_pool_alloc(pool, sockpair_cnt*sizeof(test_item));
thread = (pj_thread_t**)
pj_pool_alloc(pool, thread_cnt*sizeof(pj_thread_t*));
TRACE_((THIS_FILE, " creating ioqueue.."));
rc = pj_ioqueue_create(pool, sockpair_cnt*2, &ioqueue);
if (rc != PJ_SUCCESS) {
app_perror("...error: unable to create ioqueue", rc);
return -15;
}
rc = pj_ioqueue_set_default_concurrency(ioqueue, allow_concur);
if (rc != PJ_SUCCESS) {
app_perror("...error: pj_ioqueue_set_default_concurrency()", rc);
return -16;
}
/* Initialize each producer-consumer pair. */
for (i=0; i<sockpair_cnt; ++i) {
pj_ssize_t bytes;
items[i].ioqueue = ioqueue;
items[i].buffer_size = buffer_size;
items[i].outgoing_buffer = (char*) pj_pool_alloc(pool, buffer_size);
items[i].incoming_buffer = (char*) pj_pool_alloc(pool, buffer_size);
items[i].bytes_recv = items[i].bytes_sent = 0;
/* randomize outgoing buffer. */
pj_create_random_string(items[i].outgoing_buffer, buffer_size);
/* Create socket pair. */
TRACE_((THIS_FILE, " calling socketpair.."));
rc = app_socketpair(pj_AF_INET(), sock_type, 0,
&items[i].server_fd, &items[i].client_fd);
if (rc != PJ_SUCCESS) {
app_perror("...error: unable to create socket pair", rc);
return -20;
}
/* Register server socket to ioqueue. */
TRACE_((THIS_FILE, " register(1).."));
rc = pj_ioqueue_register_sock(pool, ioqueue,
items[i].server_fd,
&items[i], &ioqueue_callback,
&items[i].server_key);
if (rc != PJ_SUCCESS) {
app_perror("...error: registering server socket to ioqueue", rc);
return -60;
}
/* Register client socket to ioqueue. */
TRACE_((THIS_FILE, " register(2).."));
rc = pj_ioqueue_register_sock(pool, ioqueue,
items[i].client_fd,
&items[i], &ioqueue_callback,
&items[i].client_key);
if (rc != PJ_SUCCESS) {
app_perror("...error: registering server socket to ioqueue", rc);
return -70;
}
/* Start reading. */
TRACE_((THIS_FILE, " pj_ioqueue_recv.."));
bytes = items[i].buffer_size;
rc = pj_ioqueue_recv(items[i].server_key, &items[i].recv_op,
items[i].incoming_buffer, &bytes,
0);
if (rc != PJ_EPENDING) {
app_perror("...error: pj_ioqueue_recv", rc);
return -73;
}
/* Start writing. */
TRACE_((THIS_FILE, " pj_ioqueue_write.."));
bytes = items[i].buffer_size;
rc = pj_ioqueue_send(items[i].client_key, &items[i].send_op,
items[i].outgoing_buffer, &bytes, 0);
if (rc != PJ_SUCCESS && rc != PJ_EPENDING) {
app_perror("...error: pj_ioqueue_write", rc);
return -76;
}
items[i].has_pending_send = (rc==PJ_EPENDING);
}
/* Create the threads. */
for (i=0; i<thread_cnt; ++i) {
struct thread_arg *arg;
arg = (struct thread_arg*) pj_pool_zalloc(pool, sizeof(*arg));
arg->id = i;
arg->ioqueue = ioqueue;
arg->counter = 0;
rc = pj_thread_create( pool, NULL,
&worker_thread,
arg,
PJ_THREAD_DEFAULT_STACK_SIZE,
PJ_THREAD_SUSPENDED, &thread[i] );
if (rc != PJ_SUCCESS) {
app_perror("...error: unable to create thread", rc);
return -80;
}
}
/* Mark start time. */
rc = pj_get_timestamp(&start);
if (rc != PJ_SUCCESS)
return -90;
/* Start the thread. */
TRACE_((THIS_FILE, " resuming all threads.."));
for (i=0; i<thread_cnt; ++i) {
rc = pj_thread_resume(thread[i]);
if (rc != 0)
return -100;
}
/* Wait for MSEC_DURATION seconds.
* This should be as simple as pj_thread_sleep(MSEC_DURATION) actually,
* but unfortunately it doesn't work when system doesn't employ
* timeslicing for threads.
*/
TRACE_((THIS_FILE, " wait for few seconds.."));
do {
pj_thread_sleep(1);
/* Mark end time. */
rc = pj_get_timestamp(&stop);
if (thread_quit_flag) {
TRACE_((THIS_FILE, " transfer limit reached.."));
break;
}
if (pj_elapsed_usec(&start,&stop)<MSEC_DURATION * 1000) {
TRACE_((THIS_FILE, " time limit reached.."));
break;
}
} while (1);
/* Terminate all threads. */
TRACE_((THIS_FILE, " terminating all threads.."));
thread_quit_flag = 1;
for (i=0; i<thread_cnt; ++i) {
TRACE_((THIS_FILE, " join thread %d..", i));
pj_thread_join(thread[i]);
}
/* Close all sockets. */
TRACE_((THIS_FILE, " closing all sockets.."));
for (i=0; i<sockpair_cnt; ++i) {
pj_ioqueue_unregister(items[i].server_key);
pj_ioqueue_unregister(items[i].client_key);
}
/* Destroy threads */
for (i=0; i<thread_cnt; ++i) {
pj_thread_destroy(thread[i]);
}
/* Destroy ioqueue. */
TRACE_((THIS_FILE, " destroying ioqueue.."));
pj_ioqueue_destroy(ioqueue);
/* Calculate actual time in usec. */
total_elapsed_usec = pj_elapsed_usec(&start, &stop);
/* Calculate total bytes received. */
total_received = 0;
for (i=0; i<sockpair_cnt; ++i) {
total_received = (pj_uint32_t)items[i].bytes_recv;
}
/* bandwidth = total_received*1000/total_elapsed_usec */
bandwidth = total_received;
pj_highprec_mul(bandwidth, 1000);
pj_highprec_div(bandwidth, total_elapsed_usec);
*p_bandwidth = (pj_uint32_t)bandwidth;
PJ_LOG(3,(THIS_FILE, " %.4s %2d %2d %8d KB/s",
type_name, thread_cnt, sockpair_cnt,
*p_bandwidth));
/* Done. */
pj_pool_release(pool);
TRACE_((THIS_FILE, " done.."));
return 0;
}
/*
* Benchmarking IOQueue
*/
static int bench_test(pj_bool_t allow_concur, int bufsize,
int inactive_sock_count)
{
pj_sock_t ssock=-1, csock=-1;
pj_sockaddr_in addr;
pj_pool_t *pool = NULL;
pj_sock_t *inactive_sock=NULL;
pj_ioqueue_op_key_t *inactive_read_op;
char *send_buf, *recv_buf;
pj_ioqueue_t *ioque = NULL;
pj_ioqueue_key_t *skey, *ckey, *keys[SOCK_INACTIVE_MAX+2];
pj_timestamp t1, t2, t_elapsed;
int rc=0, i; /* i must be signed */
pj_str_t temp;
char errbuf[PJ_ERR_MSG_SIZE];
TRACE__((THIS_FILE, " bench test %d", inactive_sock_count));
// Create pool.
pool = pj_pool_create(mem, NULL, POOL_SIZE, 4000, NULL);
// Allocate buffers for send and receive.
send_buf = (char*)pj_pool_alloc(pool, bufsize);
recv_buf = (char*)pj_pool_alloc(pool, bufsize);
// Allocate sockets for sending and receiving.
rc = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &ssock);
if (rc == PJ_SUCCESS) {
rc = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &csock);
} else
csock = PJ_INVALID_SOCKET;
if (rc != PJ_SUCCESS) {
app_perror("...error: pj_sock_socket()", rc);
goto on_error;
}
// Bind server socket.
pj_bzero(&addr, sizeof(addr));
addr.sin_family = pj_AF_INET();
addr.sin_port = pj_htons(PORT);
if (pj_sock_bind(ssock, &addr, sizeof(addr)))
goto on_error;
pj_assert(inactive_sock_count+2 <= PJ_IOQUEUE_MAX_HANDLES);
// Create I/O Queue.
rc = pj_ioqueue_create(pool, PJ_IOQUEUE_MAX_HANDLES, &ioque);
if (rc != PJ_SUCCESS) {
app_perror("...error: pj_ioqueue_create()", rc);
goto on_error;
}
// Set concurrency
rc = pj_ioqueue_set_default_concurrency(ioque, allow_concur);
if (rc != PJ_SUCCESS) {
app_perror("...error: pj_ioqueue_set_default_concurrency()", rc);
goto on_error;
}
// Allocate inactive sockets, and bind them to some arbitrary address.
// Then register them to the I/O queue, and start a read operation.
inactive_sock = (pj_sock_t*)pj_pool_alloc(pool,
inactive_sock_count*sizeof(pj_sock_t));
inactive_read_op = (pj_ioqueue_op_key_t*)pj_pool_alloc(pool,
inactive_sock_count*sizeof(pj_ioqueue_op_key_t));
pj_bzero(&addr, sizeof(addr));
addr.sin_family = pj_AF_INET();
for (i=0; i<inactive_sock_count; ++i) {
pj_ssize_t bytes;
rc = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &inactive_sock[i]);
if (rc != PJ_SUCCESS || inactive_sock[i] < 0) {
app_perror("...error: pj_sock_socket()", rc);
goto on_error;
}
if ((rc=pj_sock_bind(inactive_sock[i], &addr, sizeof(addr))) != 0) {
pj_sock_close(inactive_sock[i]);
inactive_sock[i] = PJ_INVALID_SOCKET;
app_perror("...error: pj_sock_bind()", rc);
goto on_error;
}
rc = pj_ioqueue_register_sock(pool, ioque, inactive_sock[i],
NULL, &test_cb, &keys[i]);
if (rc != PJ_SUCCESS) {
pj_sock_close(inactive_sock[i]);
inactive_sock[i] = PJ_INVALID_SOCKET;
app_perror("...error(1): pj_ioqueue_register_sock()", rc);
PJ_LOG(3,(THIS_FILE, "....i=%d", i));
goto on_error;
}
bytes = bufsize;
rc = pj_ioqueue_recv(keys[i], &inactive_read_op[i], recv_buf, &bytes, 0);
if (rc != PJ_EPENDING) {
pj_sock_close(inactive_sock[i]);
inactive_sock[i] = PJ_INVALID_SOCKET;
app_perror("...error: pj_ioqueue_read()", rc);
goto on_error;
}
}
// Register server and client socket.
// We put this after inactivity socket, hopefully this can represent the
// worst waiting time.
rc = pj_ioqueue_register_sock(pool, ioque, ssock, NULL,
&test_cb, &skey);
if (rc != PJ_SUCCESS) {
app_perror("...error(2): pj_ioqueue_register_sock()", rc);
goto on_error;
}
rc = pj_ioqueue_register_sock(pool, ioque, csock, NULL,
&test_cb, &ckey);
if (rc != PJ_SUCCESS) {
app_perror("...error(3): pj_ioqueue_register_sock()", rc);
goto on_error;
}
// Set destination address to send the packet.
pj_sockaddr_in_init(&addr, pj_cstr(&temp, "127.0.0.1"), PORT);
// Test loop.
t_elapsed.u64 = 0;
for (i=0; i<LOOP; ++i) {
pj_ssize_t bytes;
pj_ioqueue_op_key_t read_op, write_op;
// Randomize send buffer.
pj_create_random_string(send_buf, bufsize);
// Start reading on the server side.
bytes = bufsize;
rc = pj_ioqueue_recv(skey, &read_op, recv_buf, &bytes, 0);
if (rc != PJ_EPENDING) {
app_perror("...error: pj_ioqueue_read()", rc);
break;
}
// Starts send on the client side.
bytes = bufsize;
rc = pj_ioqueue_sendto(ckey, &write_op, send_buf, &bytes, 0,
&addr, sizeof(addr));
if (rc != PJ_SUCCESS && rc != PJ_EPENDING) {
app_perror("...error: pj_ioqueue_write()", rc);
break;
}
if (rc == PJ_SUCCESS) {
if (bytes < 0) {
app_perror("...error: pj_ioqueue_sendto()",(pj_status_t)-bytes);
break;
}
}
// Begin time.
pj_get_timestamp(&t1);
// Poll the queue until we've got completion event in the server side.
callback_read_key = NULL;
callback_read_size = 0;
TRACE__((THIS_FILE, " waiting for key = %p", skey));
do {
pj_time_val timeout = { 1, 0 };
#ifdef PJ_SYMBIAN
rc = pj_symbianos_poll(-1, PJ_TIME_VAL_MSEC(timeout));
#else
rc = pj_ioqueue_poll(ioque, &timeout);
#endif
TRACE__((THIS_FILE, " poll rc=%d", rc));
} while (rc >= 0 && callback_read_key != skey);
// End time.
pj_get_timestamp(&t2);
t_elapsed.u64 += (t2.u64 - t1.u64);
if (rc < 0) {
app_perror(" error: pj_ioqueue_poll", -rc);
break;
}
// Compare recv buffer with send buffer.
if (callback_read_size != bufsize ||
pj_memcmp(send_buf, recv_buf, bufsize))
{
rc = -10;
PJ_LOG(3,(THIS_FILE, " error: size/buffer mismatch"));
break;
}
// Poll until all events are exhausted, before we start the next loop.
do {
pj_time_val timeout = { 0, 10 };
#ifdef PJ_SYMBIAN
PJ_UNUSED_ARG(timeout);
rc = pj_symbianos_poll(-1, 100);
#else
rc = pj_ioqueue_poll(ioque, &timeout);
#endif
} while (rc>0);
rc = 0;
}
// Print results
if (rc == 0) {
pj_timestamp tzero;
pj_uint32_t usec_delay;
tzero.u32.hi = tzero.u32.lo = 0;
usec_delay = pj_elapsed_usec( &tzero, &t_elapsed);
PJ_LOG(3, (THIS_FILE, "...%10d %15d % 9d",
bufsize, inactive_sock_count, usec_delay));
} else {
PJ_LOG(2, (THIS_FILE, "...ERROR rc=%d (buf:%d, fds:%d)",
rc, bufsize, inactive_sock_count+2));
}
// Cleaning up.
for (i=inactive_sock_count-1; i>=0; --i) {
pj_ioqueue_unregister(keys[i]);
}
pj_ioqueue_unregister(skey);
pj_ioqueue_unregister(ckey);
pj_ioqueue_destroy(ioque);
pj_pool_release( pool);
return rc;
on_error:
PJ_LOG(1,(THIS_FILE, "...ERROR: %s",
pj_strerror(pj_get_netos_error(), errbuf, sizeof(errbuf))));
if (ssock)
pj_sock_close(ssock);
if (csock)
pj_sock_close(csock);
for (i=0; i<inactive_sock_count && inactive_sock &&
inactive_sock[i]!=PJ_INVALID_SOCKET; ++i)
{
pj_sock_close(inactive_sock[i]);
}
if (ioque != NULL)
pj_ioqueue_destroy(ioque);
pj_pool_release( pool);
return -1;
}
/*
* unregister_test()
* Check if callback is still called after socket has been unregistered or
* closed.
*/
static int unregister_test(pj_bool_t allow_concur)
{
enum { RPORT = 50000, SPORT = 50001 };
pj_pool_t *pool;
pj_ioqueue_t *ioqueue;
pj_sock_t ssock;
pj_sock_t rsock;
int addrlen;
pj_sockaddr_in addr;
pj_ioqueue_key_t *key;
pj_ioqueue_op_key_t opkey;
pj_ioqueue_callback cb;
unsigned packet_cnt;
char sendbuf[10], recvbuf[10];
pj_ssize_t bytes;
pj_time_val timeout;
pj_status_t status;
pool = pj_pool_create(mem, "test", 4000, 4000, NULL);
if (!pool) {
app_perror("Unable to create pool", PJ_ENOMEM);
return -100;
}
status = pj_ioqueue_create(pool, 16, &ioqueue);
if (status != PJ_SUCCESS) {
app_perror("Error creating ioqueue", status);
return -110;
}
// Set concurrency
TRACE_("set concurrency...");
status = pj_ioqueue_set_default_concurrency(ioqueue, allow_concur);
if (status != PJ_SUCCESS) {
return -112;
}
/* Create sender socket */
status = app_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, SPORT, &ssock);
if (status != PJ_SUCCESS) {
app_perror("Error initializing socket", status);
return -120;
}
/* Create receiver socket. */
status = app_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, RPORT, &rsock);
if (status != PJ_SUCCESS) {
app_perror("Error initializing socket", status);
return -130;
}
/* Register rsock to ioqueue. */
pj_bzero(&cb, sizeof(cb));
cb.on_read_complete = &on_read_complete;
packet_cnt = 0;
status = pj_ioqueue_register_sock(pool, ioqueue, rsock, &packet_cnt,
&cb, &key);
if (status != PJ_SUCCESS) {
app_perror("Error registering to ioqueue", status);
return -140;
}
/* Init operation key. */
pj_ioqueue_op_key_init(&opkey, sizeof(opkey));
/* Start reading. */
bytes = sizeof(recvbuf);
status = pj_ioqueue_recv( key, &opkey, recvbuf, &bytes, 0);
if (status != PJ_EPENDING) {
app_perror("Expecting PJ_EPENDING, but got this", status);
return -150;
}
/* Init destination address. */
addrlen = sizeof(addr);
status = pj_sock_getsockname(rsock, &addr, &addrlen);
if (status != PJ_SUCCESS) {
app_perror("getsockname error", status);
return -160;
}
/* Override address with 127.0.0.1, since getsockname will return
* zero in the address field.
*/
addr.sin_addr = pj_inet_addr2("127.0.0.1");
/* Init buffer to send */
pj_ansi_strcpy(sendbuf, "Hello0123");
/* Send one packet. */
bytes = sizeof(sendbuf);
status = pj_sock_sendto(ssock, sendbuf, &bytes, 0,
&addr, sizeof(addr));
if (status != PJ_SUCCESS) {
app_perror("sendto error", status);
return -170;
}
/* Check if packet is received. */
timeout.sec = 1; timeout.msec = 0;
#ifdef PJ_SYMBIAN
pj_symbianos_poll(-1, 1000);
#else
pj_ioqueue_poll(ioqueue, &timeout);
#endif
if (packet_cnt != 1) {
return -180;
}
/* Just to make sure things are settled.. */
pj_thread_sleep(100);
/* Start reading again. */
bytes = sizeof(recvbuf);
status = pj_ioqueue_recv( key, &opkey, recvbuf, &bytes, 0);
if (status != PJ_EPENDING) {
app_perror("Expecting PJ_EPENDING, but got this", status);
return -190;
}
/* Reset packet counter */
packet_cnt = 0;
/* Send one packet. */
bytes = sizeof(sendbuf);
status = pj_sock_sendto(ssock, sendbuf, &bytes, 0,
&addr, sizeof(addr));
if (status != PJ_SUCCESS) {
app_perror("sendto error", status);
return -200;
}
/* Now unregister and close socket. */
pj_ioqueue_unregister(key);
/* Poll ioqueue. */
#ifdef PJ_SYMBIAN
pj_symbianos_poll(-1, 1000);
#else
timeout.sec = 1; timeout.msec = 0;
pj_ioqueue_poll(ioqueue, &timeout);
#endif
/* Must NOT receive any packets after socket is closed! */
if (packet_cnt > 0) {
PJ_LOG(3,(THIS_FILE, "....errror: not expecting to receive packet "
"after socket has been closed"));
return -210;
}
/* Success */
pj_sock_close(ssock);
pj_ioqueue_destroy(ioqueue);
pj_pool_release(pool);
return 0;
}
static int send_recv_test(pj_ioqueue_t *ioque,
pj_ioqueue_key_t *skey,
pj_ioqueue_key_t *ckey,
void *send_buf,
void *recv_buf,
pj_ssize_t bufsize,
pj_timestamp *t_elapsed)
{
pj_status_t status;
pj_ssize_t bytes;
pj_time_val timeout;
pj_timestamp t1, t2;
int pending_op = 0;
pj_ioqueue_op_key_t read_op, write_op;
// Start reading on the server side.
bytes = bufsize;
status = pj_ioqueue_recv(skey, &read_op, recv_buf, &bytes, 0);
if (status != PJ_SUCCESS && status != PJ_EPENDING) {
app_perror("...pj_ioqueue_recv error", status);
return -100;
}
if (status == PJ_EPENDING)
++pending_op;
else {
/* Does not expect to return error or immediate data. */
return -115;
}
// Randomize send buffer.
pj_create_random_string((char*)send_buf, bufsize);
// Starts send on the client side.
bytes = bufsize;
status = pj_ioqueue_send(ckey, &write_op, send_buf, &bytes, 0);
if (status != PJ_SUCCESS && bytes != PJ_EPENDING) {
return -120;
}
if (status == PJ_EPENDING) {
++pending_op;
}
// Begin time.
pj_get_timestamp(&t1);
// Reset indicators
callback_read_size = callback_write_size = 0;
callback_read_key = callback_write_key = NULL;
callback_read_op = callback_write_op = NULL;
// Poll the queue until we've got completion event in the server side.
status = 0;
while (pending_op > 0) {
timeout.sec = 1; timeout.msec = 0;
#ifdef PJ_SYMBIAN
PJ_UNUSED_ARG(ioque);
status = pj_symbianos_poll(-1, 1000);
#else
status = pj_ioqueue_poll(ioque, &timeout);
#endif
if (status > 0) {
if (callback_read_size) {
if (callback_read_size != bufsize)
return -160;
if (callback_read_key != skey)
return -161;
if (callback_read_op != &read_op)
return -162;
}
if (callback_write_size) {
if (callback_write_key != ckey)
return -163;
if (callback_write_op != &write_op)
return -164;
}
pending_op -= status;
}
if (status == 0) {
PJ_LOG(3,("", "...error: timed out"));
}
if (status < 0) {
return -170;
}
}
// Pending op is zero.
// Subsequent poll should yield zero too.
timeout.sec = timeout.msec = 0;
#ifdef PJ_SYMBIAN
status = pj_symbianos_poll(-1, 1);
#else
status = pj_ioqueue_poll(ioque, &timeout);
#endif
if (status != 0)
return -173;
// End time.
pj_get_timestamp(&t2);
t_elapsed->u32.lo += (t2.u32.lo - t1.u32.lo);
// Compare recv buffer with send buffer.
if (pj_memcmp(send_buf, recv_buf, bufsize) != 0) {
return -180;
}
// Success
return 0;
}
static void ioqueue_on_read_complete(pj_ioqueue_key_t *key,
pj_ioqueue_op_key_t *op_key,
pj_ssize_t bytes_read)
{
pj_activesock_t *asock;
struct read_op *r = (struct read_op*)op_key;
unsigned loop = 0;
pj_status_t status;
asock = (pj_activesock_t*) pj_ioqueue_get_user_data(key);
/* Ignore if we've been shutdown */
if (asock->shutdown & SHUT_RX)
return;
do {
unsigned flags;
if (bytes_read > 0) {
/*
* We've got new data.
*/
pj_size_t remainder;
pj_bool_t ret;
/* Append this new data to existing data. If socket is stream
* oriented, user might have left some data in the buffer.
* Otherwise if socket is datagram there will be nothing in
* existing packet hence the packet will contain only the new
* packet.
*/
r->size += bytes_read;
/* Set default remainder to zero */
remainder = 0;
/* And return value to TRUE */
ret = PJ_TRUE;
/* Notify callback */
if (asock->read_type == TYPE_RECV && asock->cb.on_data_read) {
ret = (*asock->cb.on_data_read)(asock, r->pkt, r->size,
PJ_SUCCESS, &remainder);
} else if (asock->read_type == TYPE_RECV_FROM &&
asock->cb.on_data_recvfrom)
{
ret = (*asock->cb.on_data_recvfrom)(asock, r->pkt, r->size,
&r->src_addr,
r->src_addr_len,
PJ_SUCCESS);
}
/* If callback returns false, we have been destroyed! */
if (!ret)
return;
/* Only stream oriented socket may leave data in the packet */
if (asock->stream_oriented) {
r->size = remainder;
} else {
r->size = 0;
}
} else if (bytes_read <= 0 &&
-bytes_read != PJ_STATUS_FROM_OS(OSERR_EWOULDBLOCK) &&
-bytes_read != PJ_STATUS_FROM_OS(OSERR_EINPROGRESS) &&
(asock->stream_oriented ||
-bytes_read != PJ_STATUS_FROM_OS(OSERR_ECONNRESET)))
{
pj_size_t remainder;
pj_bool_t ret;
if (bytes_read == 0) {
/* For stream/connection oriented socket, this means the
* connection has been closed. For datagram sockets, it means
* we've received datagram with zero length.
*/
if (asock->stream_oriented)
status = PJ_EEOF;
else
status = PJ_SUCCESS;
} else {
/* This means we've got an error. If this is stream/connection
* oriented, it means connection has been closed. For datagram
* sockets, it means we've got some error (e.g. EWOULDBLOCK).
*/
status = (pj_status_t)-bytes_read;
}
/* Set default remainder to zero */
remainder = 0;
/* And return value to TRUE */
ret = PJ_TRUE;
/* Notify callback */
if (asock->read_type == TYPE_RECV && asock->cb.on_data_read) {
/* For connection oriented socket, we still need to report
* the remainder data (if any) to the user to let user do
* processing with the remainder data before it closes the
* connection.
* If there is no remainder data, set the packet to NULL.
*/
/* Shouldn't set the packet to NULL, as there may be active
* socket user, such as SSL socket, that needs to have access
* to the read buffer packet.
*/
//ret = (*asock->cb.on_data_read)(asock, (r->size? r->pkt:NULL),
// r->size, status, &remainder);
ret = (*asock->cb.on_data_read)(asock, r->pkt, r->size,
status, &remainder);
} else if (asock->read_type == TYPE_RECV_FROM &&
asock->cb.on_data_recvfrom)
{
/* This would always be datagram oriented hence there's
* nothing in the packet. We can't be sure if there will be
* anything useful in the source_addr, so just put NULL
* there too.
*/
/* In some scenarios, status may be PJ_SUCCESS. The upper
* layer application may not expect the callback to be called
* with successful status and NULL data, so lets not call the
* callback if the status is PJ_SUCCESS.
*/
if (status != PJ_SUCCESS ) {
ret = (*asock->cb.on_data_recvfrom)(asock, NULL, 0,
NULL, 0, status);
}
}
/* If callback returns false, we have been destroyed! */
if (!ret)
return;
/* Also stop further read if we've been shutdown */
if (asock->shutdown & SHUT_RX)
return;
/* Only stream oriented socket may leave data in the packet */
if (asock->stream_oriented) {
r->size = remainder;
} else {
r->size = 0;
}
}
/* Read next data. We limit ourselves to processing max_loop immediate
* data, so when the loop counter has exceeded this value, force the
* read()/recvfrom() to return pending operation to allow the program
* to do other jobs.
*/
bytes_read = r->max_size - r->size;
flags = asock->read_flags;
if (++loop >= asock->max_loop)
flags |= PJ_IOQUEUE_ALWAYS_ASYNC;
if (asock->read_type == TYPE_RECV) {
status = pj_ioqueue_recv(key, op_key, r->pkt + r->size,
&bytes_read, flags);
} else {
r->src_addr_len = sizeof(r->src_addr);
status = pj_ioqueue_recvfrom(key, op_key, r->pkt + r->size,
&bytes_read, flags,
&r->src_addr, &r->src_addr_len);
}
if (status == PJ_SUCCESS) {
/* Immediate data */
;
} else if (status != PJ_EPENDING && status != PJ_ECANCELLED) {
/* Error */
bytes_read = -status;
} else {
break;
}
} while (1);
}
