void socketio_destroy(CONCRETE_IO_HANDLE socket_io)
{
if (socket_io != NULL)
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
/* we cannot do much if the close fails, so just ignore the result */
if (socket_io_instance->socket != INVALID_SOCKET)
{
close(socket_io_instance->socket);
}
/* clear allpending IOs */
LIST_ITEM_HANDLE first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
while (first_pending_io != NULL)
{
PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)list_item_get_value(first_pending_io);
if (pending_socket_io != NULL)
{
free(pending_socket_io->bytes);
free(pending_socket_io);
}
(void)list_remove(socket_io_instance->pending_io_list, first_pending_io);
first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
}
list_destroy(socket_io_instance->pending_io_list);
free(socket_io_instance->hostname);
free(socket_io);
}
}
void socketio_destroy(CONCRETE_IO_HANDLE socket_io)
{
if (socket_io != NULL)
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
tcpsocketconnection_destroy(socket_io_instance->tcp_socket_connection);
/* clear all pending IOs */
LIST_ITEM_HANDLE first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
while (first_pending_io != NULL)
{
PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)list_item_get_value(first_pending_io);
if (pending_socket_io != NULL)
{
free(pending_socket_io->bytes);
free(pending_socket_io);
}
(void)list_remove(socket_io_instance->pending_io_list, first_pending_io);
first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
}
list_destroy(socket_io_instance->pending_io_list);
free(socket_io_instance->hostname);
free(socket_io);
}
}
void socketio_dowork(CONCRETE_IO_HANDLE socket_io)
{
if (socket_io != NULL)
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
if (socket_io_instance->io_state == IO_STATE_OPEN)
{
int received = 1;
LIST_ITEM_HANDLE first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
while (first_pending_io != NULL)
{
PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)list_item_get_value(first_pending_io);
if (pending_socket_io == NULL)
{
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
LogError("Failure: retrieving socket from list");
break;
}
int send_result = send(socket_io_instance->socket, pending_socket_io->bytes, pending_socket_io->size, 0);
if (send_result != pending_socket_io->size)
{
if (send_result == INVALID_SOCKET)
{
free(pending_socket_io->bytes);
free(pending_socket_io);
(void)list_remove(socket_io_instance->pending_io_list, first_pending_io);
LogError("Failure: sending Socket information");
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
}
else
{
/* simply wait */
(void)memmove(pending_socket_io->bytes, pending_socket_io->bytes + send_result, pending_socket_io->size - send_result);
}
}
else
{
if (pending_socket_io->on_send_complete != NULL)
{
pending_socket_io->on_send_complete(pending_socket_io->callback_context, IO_SEND_OK);
}
free(pending_socket_io->bytes);
free(pending_socket_io);
if (list_remove(socket_io_instance->pending_io_list, first_pending_io) != 0)
{
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
LogError("Failure: unable to remove socket from list");
}
}
first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
}
while (received > 0)
{
unsigned char* recv_bytes = malloc(RECEIVE_BYTES_VALUE);
if (recv_bytes == NULL)
{
LogError("Socketio_Failure: NULL allocating input buffer.");
indicate_error(socket_io_instance);
}
else
{
received = recv(socket_io_instance->socket, recv_bytes, RECEIVE_BYTES_VALUE, 0);
if (received > 0)
{
int i;
for (i = 0; i < received; i++)
{
LOG(socket_io_instance->logger_log, 0, "<-%02x ", (unsigned char)recv_bytes[i]);
}
if (socket_io_instance->on_bytes_received != NULL)
{
/* explictly ignoring here the result of the callback */
(void)socket_io_instance->on_bytes_received(socket_io_instance->on_bytes_received_context, recv_bytes, received);
}
}
free(recv_bytes);
}
}
}
}
}
void socketio_dowork(CONCRETE_IO_HANDLE socket_io)
{
if (socket_io != NULL)
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
if (socket_io_instance->io_state == IO_STATE_OPEN)
{
int received = 1;
LIST_ITEM_HANDLE first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
while (first_pending_io != NULL)
{
PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)list_item_get_value(first_pending_io);
if (pending_socket_io == NULL)
{
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
break;
}
int send_result = send(socket_io_instance->socket, pending_socket_io->bytes, pending_socket_io->size, 0);
if (send_result != pending_socket_io->size)
{
if (send_result == INVALID_SOCKET)
{
free(pending_socket_io->bytes);
free(pending_socket_io);
(void)list_remove(socket_io_instance->pending_io_list, first_pending_io);
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
}
else
{
/* simply wait */
(void)memmove(pending_socket_io->bytes, pending_socket_io->bytes + send_result, pending_socket_io->size - send_result);
}
}
else
{
if (pending_socket_io->on_send_complete != NULL)
{
pending_socket_io->on_send_complete(pending_socket_io->callback_context, send_result);
}
free(pending_socket_io->bytes);
free(pending_socket_io);
if (list_remove(socket_io_instance->pending_io_list, first_pending_io) != 0)
{
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
}
}
first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
}
while (received > 0)
{
unsigned char recv_bytes[1];
received = recv(socket_io_instance->socket, recv_bytes, sizeof(recv_bytes), 0);
if (received > 0)
{
int i;
for (i = 0; i < received; i++)
{
LOG(socket_io_instance->logger_log, 0, "<-%02x ", (unsigned char)recv_bytes[i]);
}
if (socket_io_instance->on_bytes_received != NULL)
{
/* explictly ignoring here the result of the callback */
(void)socket_io_instance->on_bytes_received(socket_io_instance->open_callback_context, recv_bytes, received);
}
}
}
}
}
}
void socketio_dowork(CONCRETE_IO_HANDLE socket_io)
{
if (socket_io != NULL)
{
SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
if (socket_io_instance->io_state == IO_STATE_OPEN)
{
int received = 1;
LIST_ITEM_HANDLE first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
while (first_pending_io != NULL)
{
PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)list_item_get_value(first_pending_io);
if (pending_socket_io == NULL)
{
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
break;
}
int send_result = tcpsocketconnection_send(socket_io_instance->tcp_socket_connection, (const char*)pending_socket_io->bytes, pending_socket_io->size);
if (send_result != pending_socket_io->size)
{
if (send_result < 0)
{
if (send_result < UNABLE_TO_COMPLETE)
{
// Bad error. Indicate as much.
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
}
break;
}
else
{
/* send something, wait for the rest */
(void)memmove(pending_socket_io->bytes, pending_socket_io->bytes + send_result, pending_socket_io->size - send_result);
}
}
else
{
if (pending_socket_io->on_send_complete != NULL)
{
pending_socket_io->on_send_complete(pending_socket_io->callback_context, IO_SEND_OK);
}
free(pending_socket_io->bytes);
free(pending_socket_io);
if (list_remove(socket_io_instance->pending_io_list, first_pending_io) != 0)
{
socket_io_instance->io_state = IO_STATE_ERROR;
indicate_error(socket_io_instance);
}
}
first_pending_io = list_get_head_item(socket_io_instance->pending_io_list);
}
while (received > 0)
{
unsigned char recv_bytes[128];
received = tcpsocketconnection_receive(socket_io_instance->tcp_socket_connection, (char*)recv_bytes, sizeof(recv_bytes));
if (received > 0)
{
if (socket_io_instance->on_bytes_received != NULL)
{
/* explictly ignoring here the result of the callback */
(void)socket_io_instance->on_bytes_received(socket_io_instance->on_bytes_received_context, recv_bytes, received);
}
}
}
}
}
}
