| | |
| | | /** |
| | | * @key 总线端口 |
| | | */ |
| | | int ShmModSocket::_sub_(char *topic, int size, int key, |
| | | int ShmModSocket::_sub_(char *topic, int topic_size, int key, |
| | | struct timespec *timeout, int flags) { |
| | | char buf[8192]; |
| | | int rv; |
| | | snprintf(buf, 8192, "%ssub%s%s%s%s", ACTION_LIDENTIFIER, ACTION_RIDENTIFIER, TOPIC_LIDENTIFIER, topic, TOPIC_RIDENTIFIER); |
| | | rv = shm_sendto(shm_socket, buf, strlen(buf) + 1, key, timeout, flags); |
| | | if(rv == 0) { |
| | | bus_set->insert(key); |
| | | // char buf[8192]; |
| | | // int rv; |
| | | // snprintf(buf, 8192, "%ssub%s%s%s%s", ACTION_LIDENTIFIER, ACTION_RIDENTIFIER, TOPIC_LIDENTIFIER, topic, TOPIC_RIDENTIFIER); |
| | | // rv = shm_sendto(shm_socket, buf, strlen(buf) + 1, key, timeout, flags); |
| | | // if(rv == 0) { |
| | | // bus_set->insert(key); |
| | | // } |
| | | // return rv; |
| | | |
| | | int ret; |
| | | bus_head_t head = {}; |
| | | memcpy(head.action, "sub", sizeof(head.action)); |
| | | head.topic_size = topic_size = strlen(topic) + 1; |
| | | head.content_size = 0; |
| | | |
| | | void *buf; |
| | | int size = get_bus_sendbuf(head, topic, topic_size, NULL, 0, &buf); |
| | | if(size > 0) { |
| | | ret = shm_sendto(shm_socket, buf, size, key, timeout, flags); |
| | | free(buf); |
| | | if(ret == 0) { |
| | | bus_set->insert(key); |
| | | } |
| | | return ret; |
| | | } else { |
| | | return -1; |
| | | } |
| | | return rv; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * @key 总线端口 |
| | | */ |
| | | int ShmModSocket::_desub_(char *topic, int size, int key, |
| | | int ShmModSocket::_desub_(char *topic, int topic_size, int key, |
| | | struct timespec *timeout, int flags) { |
| | | char buf[8192]; |
| | | // char buf[8192]; |
| | | int ret; |
| | | if(topic == NULL) { |
| | | topic = ""; |
| | | } |
| | | snprintf(buf, 8192, "%sdesub%s%s%s%s", ACTION_LIDENTIFIER, ACTION_RIDENTIFIER, TOPIC_LIDENTIFIER, topic, TOPIC_RIDENTIFIER); |
| | | return shm_sendto(shm_socket, buf, strlen(buf) + 1, key, timeout, flags); |
| | | // snprintf(buf, 8192, "%sdesub%s%s%s%s", ACTION_LIDENTIFIER, ACTION_RIDENTIFIER, TOPIC_LIDENTIFIER, topic, TOPIC_RIDENTIFIER); |
| | | // return shm_sendto(shm_socket, buf, strlen(buf) + 1, key, timeout, flags); |
| | | |
| | | bus_head_t head = {}; |
| | | memcpy(head.action, "desub", sizeof(head.action)); |
| | | head.topic_size = topic_size = strlen(topic) + 1; |
| | | head.content_size = 0; |
| | | void *buf; |
| | | int size = get_bus_sendbuf(head, topic, topic_size, NULL, 0, &buf); |
| | | if(size > 0) { |
| | | ret = shm_sendto(shm_socket, buf, size, key, timeout, flags); |
| | | free(buf); |
| | | return ret; |
| | | } else { |
| | | return -1; |
| | | } |
| | | |
| | | } |
| | | |
| | | /** |
| | |
| | | |
| | | int ShmModSocket::_pub_(char *topic, int topic_size, void *content, int content_size, int key, |
| | | struct timespec *timeout, int flags) { |
| | | int head_len; |
| | | char buf[8192+content_size]; |
| | | snprintf(buf, 8192, "%spub%s%s%s%s", ACTION_LIDENTIFIER, ACTION_RIDENTIFIER, TOPIC_LIDENTIFIER, topic, TOPIC_RIDENTIFIER); |
| | | head_len = strlen(buf); |
| | | memcpy(buf+head_len, content, content_size); |
| | | return shm_sendto(shm_socket, buf, head_len+content_size, key, timeout, flags); |
| | | // int head_len; |
| | | // char buf[8192+content_size]; |
| | | // snprintf(buf, 8192, "%spub%s%s%s%s", ACTION_LIDENTIFIER, ACTION_RIDENTIFIER, TOPIC_LIDENTIFIER, topic, TOPIC_RIDENTIFIER); |
| | | // head_len = strlen(buf); |
| | | // memcpy(buf+head_len, content, content_size); |
| | | |
| | | int ret; |
| | | bus_head_t head = {}; |
| | | memcpy(head.action, "pub", sizeof(head.action)); |
| | | head.topic_size = topic_size = strlen(topic) + 1; |
| | | head.content_size = content_size; |
| | | |
| | | void *buf; |
| | | int size = get_bus_sendbuf(head, topic, topic_size, content, content_size, &buf); |
| | | if(size > 0) { |
| | | ret = shm_sendto(shm_socket, buf, size, key, timeout, flags); |
| | | free(buf); |
| | | return ret; |
| | | } else { |
| | | return -1; |
| | | } |
| | | |
| | | |
| | | } |
| | | |
| | | |
| | | int ShmModSocket::get_bus_sendbuf(bus_head_t &request_head, |
| | | void *topic_buf, int topic_size, void *content_buf, int content_size, void **retbuf) { |
| | | |
| | | int buf_size; |
| | | char *buf; |
| | | int max_buf_size; |
| | | if((buf = (char *)malloc(MAXBUF)) == NULL) { |
| | | LoggerFactory::getLogger()->error(errno, "ShmModSocket::get_bus_sendbuf malloc"); |
| | | exit(1); |
| | | } else { |
| | | max_buf_size = MAXBUF; |
| | | } |
| | | |
| | | buf_size = BUS_HEAD_SIZE + content_size + topic_size ; |
| | | if(max_buf_size < buf_size) { |
| | | |
| | | if((buf = (char *)realloc(buf, buf_size)) == NULL) { |
| | | LoggerFactory::getLogger()->error(errno, "ShmModSocket::get_bus_sendbuf realloc buf"); |
| | | exit(1); |
| | | } else { |
| | | max_buf_size = buf_size; |
| | | } |
| | | } |
| | | |
| | | memcpy(buf, ShmModSocket::encode_bus_head(request_head), BUS_HEAD_SIZE); |
| | | if(topic_size != 0 ) |
| | | memcpy(buf + BUS_HEAD_SIZE, topic_buf, topic_size); |
| | | if(content_size != 0) |
| | | memcpy(buf + BUS_HEAD_SIZE + topic_size, content_buf, content_size); |
| | | |
| | | *retbuf = buf; |
| | | return buf_size; |
| | | } |
| | | |
| | | /** |
| | | char action[]; |
| | | uint32_t topic_size; |
| | | uint32_t content_size; |
| | | */ |
| | | |
| | | void * ShmModSocket::encode_bus_head(bus_head_t & head) { |
| | | void * headbs = malloc(BUS_HEAD_SIZE); |
| | | char *tmp_ptr = (char *)headbs; |
| | | |
| | | memcpy(tmp_ptr, head.action, sizeof(head.action)); |
| | | |
| | | tmp_ptr += sizeof(head.action); |
| | | PUT(tmp_ptr, htonl(head.topic_size)); |
| | | |
| | | tmp_ptr += 4; |
| | | PUT(tmp_ptr, htonl(head.content_size)); |
| | | |
| | | return headbs; |
| | | } |
| | | |
| | | bus_head_t ShmModSocket::decode_bus_head(void *headbs) { |
| | | char *tmp_ptr = (char *)headbs; |
| | | bus_head_t head; |
| | | |
| | | memcpy(head.action, tmp_ptr, sizeof(head.action)); |
| | | |
| | | tmp_ptr += sizeof(head.action); |
| | | head.topic_size = ntohl(GET(tmp_ptr)); |
| | | |
| | | tmp_ptr += 4; |
| | | head.content_size = ntohl(GET(tmp_ptr)); |
| | | |
| | | return head; |
| | | } |
| | | |
| | | |