int socketio_send(CONCRETE_IO_HANDLE socket_io, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
{
int result;
if ((socket_io == NULL) ||
(buffer == NULL) ||
(size == 0))
{
/* Invalid arguments */
LogError("Invalid argument: send given invalid parameter");
result = __LINE__;
}
else
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
if (socket_io_instance->io_state != IO_STATE_OPEN)
{
LogError("Failure: socket state is not opened.");
result = __LINE__;
}
else
{
LIST_ITEM_HANDLE first_pending_io = singlylinkedlist_get_head_item(socket_io_instance->pending_io_list);
if (first_pending_io != NULL)
{
if (add_pending_io(socket_io_instance, buffer, size, on_send_complete, callback_context) != 0)
{
LogError("Failure: add_pending_io failed.");
result = __LINE__;
}
else
{
result = 0;
}
}
else
{
/* TODO: we need to do more than a cast here to be 100% clean
The following bug was filed: [WarnL4] socketio_win32 does not account for already sent bytes and there is a truncation of size from size_t to int */
int send_result = send(socket_io_instance->socket, buffer, (int)size, 0);
if (send_result != (int)size)
{
int last_error = WSAGetLastError();
if (last_error != WSAEWOULDBLOCK)
{
indicate_error(socket_io_instance);
LogError("Failure: sending socket failed %d.", last_error);
result = __LINE__;
}
else
{
/* queue data */
if (add_pending_io(socket_io_instance, buffer, size, on_send_complete, callback_context) != 0)
{
LogError("Failure: add_pending_io failed.");
result = __LINE__;
}
else
{
result = 0;
}
}
}
else
{
if (on_send_complete != NULL)
{
on_send_complete(callback_context, IO_SEND_OK);
}
result = 0;
}
}
}
}
return result;
}
int socketio_send(CONCRETE_IO_HANDLE socket_io, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
{
int result;
if ((socket_io == NULL) ||
(buffer == NULL) ||
(size == 0))
{
/* Invalid arguments */
LogError("Invalid argument: send given invalid parameter");
result = __LINE__;
}
else
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
if (socket_io_instance->io_state != IO_STATE_OPEN)
{
LogError("Failure: socket state is not opened.");
result = __LINE__;
}
else
{
LIST_ITEM_HANDLE first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
if (first_pending_io != NULL)
{
if (add_pending_io(socket_io_instance, buffer, size, on_send_complete, callback_context) != 0)
{
LogError("Failure: add_pending_io failed.");
result = __LINE__;
}
else
{
result = 0;
}
}
else
{
int send_result = send(socket_io_instance->socket, buffer, size, 0);
if (send_result != size)
{
if (send_result == INVALID_SOCKET)
{
indicate_error(socket_io_instance);
LogError("Failure: sending socket failed.");
result = __LINE__;
}
else
{
/* queue data */
if (add_pending_io(socket_io_instance, buffer + send_result, size - send_result, on_send_complete, callback_context) != 0)
{
LogError("Failure: add_pending_io failed.");
result = __LINE__;
}
else
{
result = 0;
}
}
}
else
{
if (on_send_complete != NULL)
{
on_send_complete(callback_context, IO_SEND_OK);
}
size_t i;
for (i = 0; i < size; i++)
{
LOG(socket_io_instance->logger_log, 0, "%02x-> ", ((unsigned char*)buffer)[i]);
}
LOG(socket_io_instance->logger_log, LOG_LINE, "");
result = 0;
}
}
}
}
return result;
}
int socketio_send(CONCRETE_IO_HANDLE socket_io, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
{
int result;
if ((socket_io == NULL) ||
(buffer == NULL) ||
(size == 0))
{
/* Invalid arguments */
result = __LINE__;
}
else
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
if (socket_io_instance->io_state != IO_STATE_OPEN)
{
result = __LINE__;
}
else
{
LIST_ITEM_HANDLE first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
if (first_pending_io != NULL)
{
if (add_pending_io(socket_io_instance, buffer, size, on_send_complete, callback_context) != 0)
{
result = __LINE__;
}
else
{
result = 0;
}
}
else
{
int send_result = tcpsocketconnection_send(socket_io_instance->tcp_socket_connection, buffer, size);
if (send_result != size)
{
if (send_result < 0)
{
send_result = 0;
}
/* queue data */
if (add_pending_io(socket_io_instance, (unsigned char*)buffer + send_result, size - send_result, on_send_complete, callback_context) != 0)
{
result = __LINE__;
}
else
{
result = 0;
}
}
else
{
if (on_send_complete != NULL)
{
on_send_complete(callback_context, IO_SEND_OK);
}
size_t i;
for (i = 0; i < size; i++)
{
LOG(socket_io_instance->logger_log, 0, "%02x-> ", ((unsigned char*)buffer)[i]);
}
result = 0;
}
}
}
}
return result;
}
