| | |
| | | int dgram_mod_close_socket(void * _socket) { |
| | | dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket; |
| | | shm_close_socket(socket->shm_socket); |
| | | // if(socket->recv_queue_map != NULL) { |
| | | // for(auto iter = socket->recv_queue_map->begin(); iter != socket->recv_queue_map->end(); iter++) { |
| | | // delete iter->second; |
| | | // socket->recv_queue_map->erase(iter); |
| | | |
| | | // } |
| | | // delete socket->recv_queue_map; |
| | | // } |
| | | |
| | | |
| | | // if(socket->recv_thread != 0) |
| | | // pthread_cancel(socket->recv_thread); |
| | | free(_socket); |
| | | } |
| | | |
| | |
| | | int dgram_mod_recvfrom(void *_socket, void **buf, int *size, int *port) { |
| | | |
| | | dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket; |
| | | // if(socket->mod == REQ_REP && socket->recv_thread != 0) { |
| | | // err_exit(0, "you have used sendandrecv method os you can not use recvfrom method any more. these two method can not be used at the same time."); |
| | | // return -1; |
| | | // } |
| | | return shm_recvfrom(socket->shm_socket, buf, size, port); |
| | | } |
| | | |
| | | // void *_dgram_mod_run_recv(void * _socket) { |
| | | // pthread_detach(pthread_self()); |
| | | // dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket; |
| | | // void *buf; |
| | | // int size; |
| | | // int port; |
| | | // shm_msg_t msg; |
| | | // LockFreeQueue<shm_msg_t, DM_Allocator> *queue; |
| | | // std::map<int, LockFreeQueue<shm_msg_t, DM_Allocator> * >::iterator iter; |
| | | // // printf("==============_dgram_mod_run_recv recv before\n"); |
| | | // while(shm_recvfrom(socket->shm_socket, &buf, &size, &port) == 0) { |
| | | // if( (iter = socket->recv_queue_map->find(port) ) != socket->recv_queue_map->end()) { |
| | | // queue = iter->second; |
| | | // } else { |
| | | // queue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16); |
| | | // socket->recv_queue_map->insert({port, queue}); |
| | | // } |
| | | |
| | | // msg.buf = buf; |
| | | // msg.size = size; |
| | | // msg.port = port; |
| | | // // printf("==============_dgram_mod_run_recv push before\n"); |
| | | // queue->push(msg); |
| | | // // printf("==============_dgram_mod_run_recv push after\n"); |
| | | |
| | | // } |
| | | // return NULL; |
| | | |
| | | |
| | | |
| | | // } |
| | | |
| | | |
| | | |
| | | |
| | | int dgram_mod_sendandrecv(void * _socket, const void *send_buf, const int send_size, const int send_port, void **recv_buf, int *recv_size) { |
| | | |
| | | dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket; |
| | | if(socket->mod != REQ_REP) { |
| | | err_exit(0, "you can't use this method other than REQ_REP mod!"); |
| | | } |
| | | // if(socket->recv_queue_map == NULL) { |
| | | // socket->recv_queue_map = new std::map<int, LockFreeQueue<shm_msg_t, DM_Allocator> * >; |
| | | // } |
| | | |
| | | // std::map<int, LockFreeQueue<shm_msg_t, DM_Allocator> * >::iterator iter; |
| | | // LockFreeQueue<shm_msg_t, DM_Allocator> *queue; |
| | | // if( (iter = socket->recv_queue_map->find(port) ) != socket->recv_queue_map->end()) { |
| | | // queue = iter->second; |
| | | // } else { |
| | | // queue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16); |
| | | // socket->recv_queue_map->insert({port, queue}); |
| | | // } |
| | | |
| | | // if (socket->recv_thread == 0) { |
| | | |
| | | // pthread_create(&(socket->recv_thread ), NULL, _dgram_mod_run_recv , _socket); |
| | | |
| | | // } |
| | | |
| | | // shm_msg_t msg; |
| | | // if(queue->pop(msg)) { |
| | | // *recv_buf = msg.buf; |
| | | // *recv_size = msg.size; |
| | | // return 0; |
| | | // } |
| | | |
| | | int recv_port; |
| | | int rv; |
| | | |
| | | shm_socket_t *shm_socket = shm_open_socket(SHM_SOCKET_DGRAM); |
| | | if (shm_sendto(shm_socket, send_buf, send_size, send_port) == 0) { |
| | | rv = shm_recvfrom(shm_socket, recv_buf, recv_size, &recv_port); |
| | | shm_close_socket(shm_socket); |
| | | return rv; |
| | | } |
| | | |
| | | |
| | | return -1; |
| | | return shm_sendandrecv(socket->shm_socket, send_buf, send_size, send_port, recv_buf, recv_size); |
| | | |
| | | } |