int __po_hi_c_driver_eth_leon_sender (__po_hi_task_id task, __po_hi_port_t port) { int len; int size_to_write; int optval = 0; socklen_t optlen = 0; unsigned long* swap_pointer; unsigned long swap_value; __po_hi_device_id associated_device; __po_hi_local_port_t local_port; __po_hi_request_t* request; __po_hi_port_t destination_port; __po_hi_protocol_t protocol_id; __po_hi_protocol_conf_t* protocol_conf; local_port = __po_hi_get_local_port_from_global_port (port); request = __po_hi_gqueue_get_most_recent_value (task, local_port); destination_port = __po_hi_gqueue_get_destination (task, local_port, 0); associated_device = __po_hi_get_device_from_port (destination_port); protocol_id = __po_hi_transport_get_protocol (port, destination_port); protocol_conf = __po_hi_transport_get_protocol_configuration (protocol_id); if (request->port == -1) { #ifdef __PO_HI_DEBUG __DEBUGMSG (" [DRIVER SOCKETS] No data to write on port %d\n", port); #endif return __PO_HI_ERROR_TRANSPORT_SEND; } if (nodes[associated_device].socket == -1 ) { #ifdef __PO_HI_DEBUG __DEBUGMSG (" [DRIVER SOCKETS] Invalid socket for port-id %d, device-id %d\n", destination_port, associated_device); #endif return __PO_HI_ERROR_TRANSPORT_SEND; } /* * After sending the entity identifier, we send the message which * contains the request. */ size_to_write = __PO_HI_MESSAGES_MAX_SIZE; if (getsockopt (nodes[associated_device].socket, SOL_SOCKET, SO_ERROR, &optval, &optlen) == -1) { __DEBUGMSG (" [error getsockopt() in file %s, line%d ]\n", __FILE__, __LINE__); close (nodes[associated_device].socket); nodes[associated_device].socket = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } if (optval != 0) { __DEBUGMSG (" [error getsockopt() return code in file %s, line%d ]\n", __FILE__, __LINE__); close (nodes[associated_device].socket); nodes[associated_device].socket = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } /* Ignore SIGPIPE to be able to recover from errors instead of crashing the node */ if (signal (SIGPIPE, SIG_IGN) == SIG_ERR) { __DEBUGMSG (" [error signal() return code in file %s, line%d ]\n", __FILE__, __LINE__); close (nodes[associated_device].socket); nodes[associated_device].socket = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } switch (protocol_id) { #ifdef __PO_HI_USE_PROTOCOL_MYPROTOCOL_I case virtual_bus_myprotocol_i: { size_to_write = sizeof (int); int datawritten; protocol_conf->marshaller(request, &datawritten, &size_to_write); len = write (nodes[associated_device].socket, &datawritten, size_to_write); if (len != size_to_write) { __DEBUGMSG (" [error write() length in file %s, line%d ]\n", __FILE__, __LINE__); close (nodes[associated_device].socket); nodes[associated_device].socket = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } break; } #endif default: { request->port = destination_port; __po_hi_msg_reallocate (&__po_hi_c_driver_eth_leon_sender_msg); __po_hi_marshall_request (request, &__po_hi_c_driver_eth_leon_sender_msg); #ifdef __PO_HI_DEBUG __po_hi_messages_debug (&__po_hi_c_driver_eth_leon_sender_msg); #endif swap_pointer = (unsigned long*) &__po_hi_c_driver_eth_leon_sender_msg.content[0]; swap_value = *swap_pointer; *swap_pointer = __po_hi_swap_byte (swap_value); len = write (nodes[associated_device].socket, &(__po_hi_c_driver_eth_leon_sender_msg.content), size_to_write); if (len != size_to_write) { __DEBUGMSG (" [error write() length in file %s, line%d ]\n", __FILE__, __LINE__); close (nodes[associated_device].socket); nodes[associated_device].socket = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } request->port = __PO_HI_GQUEUE_INVALID_PORT; break; } } return __PO_HI_SUCCESS; }
int __po_hi_driver_sockets_send (__po_hi_task_id task_id, __po_hi_port_t port) { int len; int size_to_write; #ifndef _WIN32 int optval = 0; socklen_t optlen = 0; #else char FAR optval = 0; int FAR optlen = 0; #endif __po_hi_device_id remote_device; __po_hi_device_id local_device; __po_hi_local_port_t local_port; __po_hi_request_t* request; __po_hi_port_t destination_port; __po_hi_protocol_t protocol_id; __po_hi_protocol_conf_t* protocol_conf; __po_hi_monitor_status_t device_status; local_port = __po_hi_get_local_port_from_global_port (port); request = __po_hi_gqueue_get_most_recent_value (task_id, local_port); destination_port = __po_hi_gqueue_get_destination (task_id, local_port, 0); local_device = __po_hi_get_device_from_port (port); remote_device = __po_hi_get_device_from_port (destination_port); protocol_id = __po_hi_transport_get_protocol (port, destination_port); protocol_conf = __po_hi_transport_get_protocol_configuration (protocol_id); __DEBUGMSG ("[DRIVER SOCKETS] Try to write from task=%d, port=%d, local_device=%d, remote device=%d, socket=%d\n", task_id, port, local_device, remote_device, __po_hi_c_sockets_write_sockets[remote_device]); if (request->port == -1) { __DEBUGMSG (" [DRIVER SOCKETS] No data to write on port %d\n", port); return __PO_HI_ERROR_TRANSPORT_SEND; } #if __PO_HI_MONITOR_ENABLED if (__po_hi_monitor_get_status_device (local_device, &device_status) != __PO_HI_SUCCESS) { __DEBUGMSG ("[DRIVER SOCKETS] Cannot get the status of device %d\n", local_device); return __PO_HI_ERROR_TRANSPORT_SEND; } if (device_status.status != po_hi_monitor_status_ok) { __DEBUGMSG ("[DRIVER SOCKETS] Device has a problem and is not able to process the request, aborting (device-id=%d, status= %d)\n", local_device, device_status); return __PO_HI_ERROR_TRANSPORT_SEND; } #endif if (__po_hi_c_sockets_write_sockets[remote_device] == -1 ) { #ifdef __PO_HI_DEBUG __DEBUGMSG (" [DRIVER SOCKETS] Invalid socket for port-id %d, device-id %d\n", destination_port, remote_device); #endif return __PO_HI_ERROR_TRANSPORT_SEND; } /* * After sending the entity identifier, we send the message which * contains the request. */ size_to_write = __PO_HI_MESSAGES_MAX_SIZE; if (getsockopt (__po_hi_c_sockets_write_sockets[remote_device], SOL_SOCKET, SO_ERROR, &optval, &optlen) == -1) { __DEBUGMSG (" [error getsockopt() in file %s, line%d ]\n", __FILE__, __LINE__); close (__po_hi_c_sockets_write_sockets[remote_device]); __po_hi_c_sockets_write_sockets[remote_device] = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } if (optval != 0) { __DEBUGMSG (" [error getsockopt() return code in file %s, line%d ]\n", __FILE__, __LINE__); close (__po_hi_c_sockets_write_sockets[remote_device]); __po_hi_c_sockets_write_sockets[remote_device] = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } #ifndef _WIN32 /* * Ignore SIGPIPE to be able to recover from * errors instead of crashing the node */ if (signal (SIGPIPE, SIG_IGN) == SIG_ERR) { __DEBUGMSG (" [error signal() return code in file %s, line%d ]\n", __FILE__, __LINE__); close (__po_hi_c_sockets_write_sockets[remote_device]); __po_hi_c_sockets_write_sockets[remote_device] = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } #endif switch (protocol_id) { #ifdef __PO_HI_USE_PROTOCOL_MYPROTOCOL_I case virtual_bus_myprotocol_i: { size_to_write = sizeof (int); int datawritten; protocol_conf->marshaller(request, &datawritten, &size_to_write); #ifdef _WIN32 len = send (__po_hi_c_sockets_write_sockets[remote_device], &datawritten, size_to_write, 0); #else len = write (__po_hi_c_sockets_write_sockets[remote_device], &datawritten, size_to_write); #endif if (len != size_to_write) { __DEBUGMSG (" [error write() length in file %s, line%d ]\n", __FILE__, __LINE__); close (__po_hi_c_sockets_write_sockets[remote_device]); __po_hi_c_sockets_write_sockets[remote_device] = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } break; } #endif default: { request->port = destination_port; __po_hi_msg_reallocate (&__po_hi_c_sockets_send_msg); __po_hi_marshall_request (request, &__po_hi_c_sockets_send_msg); #ifdef __PO_HI_DEBUG __po_hi_messages_debug (&__po_hi_c_sockets_send_msg[remote_device]); #endif if (__po_hi_c_sockets_write_sockets[remote_device] != -1) { #ifdef _WIN32 len = send (__po_hi_c_sockets_write_sockets[remote_device], (char*) &(__po_hi_c_sockets_send_msg.content), size_to_write, 0); #else len = write (__po_hi_c_sockets_write_sockets[remote_device], &(__po_hi_c_sockets_send_msg.content), size_to_write); #endif if (len != size_to_write) { #if __PO_HI_MONITOR_ENABLED __po_hi_monitor_report_failure_device (remote_device, po_hi_monitor_failure_value); #endif __DEBUGMSG (" [error write() length in file %s, line%d ]\n", __FILE__, __LINE__); close (__po_hi_c_sockets_write_sockets[remote_device]); __po_hi_c_sockets_write_sockets[remote_device] = -1; return __PO_HI_ERROR_TRANSPORT_SEND; } } request->port = __PO_HI_GQUEUE_INVALID_PORT; break; } } return __PO_HI_SUCCESS; }