| | |
| | | #include "net_mod_socket.h" |
| | | #include "socket_io.h" |
| | | #include "net_mod_socket_io.h" |
| | | #include "net_conn_pool.h" |
| | | #include <sys/types.h> /* See NOTES */ |
| | | #include <sys/socket.h> |
| | | #include <pthread.h> |
| | | |
| | | static Logger *logger = LoggerFactory::getLogger(); |
| | | |
| | | static pthread_once_t once = PTHREAD_ONCE_INIT; |
| | | static pthread_key_t poolKey; |
| | | |
| | | |
| | | |
| | | NetModSocket::NetModSocket() |
| | | { |
| | | if (Signal(SIGPIPE, SIG_IGN) == SIG_ERR) err_msg(errno, "signal"); |
| | | if (Signal(SIGPIPE, SIG_IGN) == SIG_ERR) err_msg(errno, "signal"); |
| | | } |
| | | |
| | | |
| | |
| | | } |
| | | |
| | | |
| | | |
| | | int NetModSocket::connect( pool &mpool, net_node_t *node) { |
| | | |
| | | int connfd; |
| | | int i; |
| | | char portstr[32]; |
| | | |
| | | // printf("mis: %s\n", mapKey); |
| | | sprintf(portstr, "%d", node->port); |
| | | // printf("open before: %s\n", mapKey); |
| | | connfd = open_clientfd(node->host, portstr); |
| | | // printf("open after: %s\n", mapKey); |
| | | if(connfd < 0) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::connect %s:%d ", node->host, node->port); |
| | | exit(1); |
| | | return -1; |
| | | } |
| | | |
| | | for (i = 0; i < OPEN_MAX; i++) { /* Find an available slot */ |
| | | if (mpool.conns[i].fd < 0) |
| | | { |
| | | /* Add connected descriptor to the mpool */ |
| | | mpool.conns[i].fd = connfd; |
| | | |
| | | mpool.conns[i].events = POLLIN; |
| | | /* Add the descriptor to descriptor set */ |
| | | break; |
| | | } |
| | | } |
| | | |
| | | if (i > mpool.maxi) |
| | | mpool.maxi = i; |
| | | |
| | | if (i == OPEN_MAX) { |
| | | /* Couldn't find an empty slot */ |
| | | LoggerFactory::getLogger()->error(errno, "add_client error: Too many clients"); |
| | | return -1; |
| | | } |
| | | |
| | | return connfd; |
| | | /* Free thread-specific data buffer */ |
| | | void NetModSocket::_destructor_(void *_pool) |
| | | { |
| | | NetConnPool *mpool = (NetConnPool *)_pool; |
| | | delete mpool; |
| | | } |
| | | |
| | | /* One-time key creation function */ |
| | | void NetModSocket::_createKey_(void) |
| | | { |
| | | int ret; |
| | | |
| | | void NetModSocket::close_connect(pool &mpool, int connfd) { |
| | | int i; |
| | | if(close(connfd) != 0) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::close_connect close"); |
| | | /* Allocate a unique thread-specific data key and save the address |
| | | of the destructor for thread-specific data buffers */ |
| | | |
| | | ret = pthread_key_create(&poolKey, _destructor_); |
| | | if (ret != 0) { |
| | | logger->error(ret, "pthread_key_create"); |
| | | exit(1); |
| | | } |
| | | |
| | | |
| | | for (i = 0; i <= mpool.maxi; i++) { |
| | | if(mpool.conns[i].fd == connfd) { |
| | | mpool.conns[i].fd = -1; |
| | | } |
| | | } |
| | | |
| | | // LoggerFactory::getLogger()->debug( "NetModSocket::close_connect %d\n", connfd); |
| | | |
| | | } |
| | | |
| | | int NetModSocket::_sendandrecv_(net_node_t *node_arr, int arrlen, void *send_buf, int send_size, |
| | |
| | | net_node_t *node; |
| | | void *recv_buf; |
| | | |
| | | pool mpool; |
| | | |
| | | |
| | | net_mod_request_head_t request_head = {}; |
| | | |
| | |
| | | |
| | | |
| | | net_mod_recv_msg_t *ret_arr = (net_mod_recv_msg_t *)calloc(arrlen, sizeof(net_mod_recv_msg_t)); |
| | | |
| | | int ret; |
| | | NetConnPool *mpool; |
| | | |
| | | /* Make first caller allocate key for thread-specific data */ |
| | | |
| | | ret = pthread_once(&once, _createKey_); |
| | | if (ret != 0) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::_sendandrecv_ pthread_once"); |
| | | exit(1); |
| | | } |
| | | |
| | | mpool = (NetConnPool *)pthread_getspecific(poolKey); |
| | | if (mpool == NULL) |
| | | { |
| | | /* If first call from this thread, allocate |
| | | buffer for thread, and save its location */ |
| | | mpool = new NetConnPool(); |
| | | if (mpool == NULL) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::_sendandrecv_ malloc"); |
| | | exit(1); |
| | | } |
| | | |
| | | |
| | | |
| | | ret = pthread_setspecific(poolKey, mpool); |
| | | if (ret != 0) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::_sendandrecv_ pthread_setspecific"); |
| | | exit(1); |
| | | } |
| | | } |
| | | |
| | | init_conn_pool(mpool); |
| | | |
| | | |
| | | for (i = 0; i< arrlen; i++) { |
| | | |
| | |
| | | continue; |
| | | } |
| | | |
| | | if( (connfd = connect(mpool, node)) < 0 ) { |
| | | if( (connfd = mpool->getConn(node->host, node->port)) < 0 ) { |
| | | continue; |
| | | } |
| | | |
| | |
| | | // printf("write_request %s:%d\n", request_head.host, request_head.port); |
| | | if(write_request(connfd, request_head, send_buf, send_size, NULL, 0) != 0) { |
| | | LoggerFactory::getLogger()->error("write_request failture %s:%d\n", node->host, node->port); |
| | | close_connect(mpool, connfd); |
| | | mpool->closeConn( connfd); |
| | | } else { |
| | | n_req++; |
| | | } |
| | | |
| | | } |
| | | |
| | | // printf(" mpool.maxi = %d\n", mpool.maxi); |
| | | // printf(" mpool->maxi = %d\n", mpool->maxi); |
| | | // printf(" n_req = %d\n", n_req); |
| | | |
| | | while(n_resp < n_req) |
| | | { |
| | | /* Wait for listening/connected descriptor(s) to become ready */ |
| | | if( (mpool.nready = poll(mpool.conns, mpool.maxi + 1, msec) ) <= 0) { |
| | | if( (mpool->nready = poll(mpool->conns, mpool->maxi + 1, msec) ) <= 0) { |
| | | // wirite_set 和 read_set 在指定时间内都没准备好 |
| | | break; |
| | | } |
| | | // printf("mpool.nready =%d\n", mpool.nready); |
| | | for (i = 0; (i <= mpool.maxi) && (mpool.nready > 0); i++) { |
| | | if ( (connfd = mpool.conns[i].fd) > 0 ) { |
| | | // printf("mpool->nready =%d\n", mpool->nready); |
| | | for (i = 0; (i <= mpool->maxi) && (mpool->nready > 0); i++) { |
| | | if ( (connfd = mpool->conns[i].fd) > 0 ) { |
| | | /* If the descriptor is ready, echo a text line from it */ |
| | | if (mpool.conns[i].revents & POLLIN ) |
| | | if (mpool->conns[i].revents & POLLIN ) |
| | | { |
| | | mpool.nready--; |
| | | mpool->nready--; |
| | | // printf("POLLIN %d\n", connfd); |
| | | if( (n = read_response(connfd, ret_arr+n_recv_suc)) == 0) { |
| | | n_recv_suc++; |
| | | // 成功收到返回消息,清空读入位 |
| | | mpool->conns[i].fd = -1; |
| | | |
| | | } |
| | | // else if(n == -1) { |
| | | // // 网络错误 |
| | | // } else { |
| | | // // 对方key是关闭的 |
| | | // } |
| | | else if(n == -1) { |
| | | // 网络错误 |
| | | mpool->closeConn( connfd); |
| | | // mpool->conns[i].fd = -1; |
| | | } else { |
| | | // 对方key是关闭的 |
| | | mpool->conns[i].fd = -1; |
| | | } |
| | | |
| | | mpool.conns[i].fd = -1; |
| | | close_connect(mpool, connfd); |
| | | n_resp++; |
| | | // printf("read response %d\n", n); |
| | | |
| | | } |
| | | |
| | | if (mpool.conns[i].revents & POLLOUT ) { |
| | | if (mpool->conns[i].revents & POLLOUT ) { |
| | | // printf("poll POLLOUT %d\n", connfd); |
| | | } |
| | | |
| | | if (mpool.conns[i].revents & (POLLRDHUP | POLLHUP | POLLERR) ) |
| | | if (mpool->conns[i].revents & (POLLRDHUP | POLLHUP | POLLERR) ) |
| | | { |
| | | // printf("poll POLLERR %d\n", connfd); |
| | | mpool.nready--; |
| | | close_connect(mpool, connfd); |
| | | mpool.conns[i].fd = -1; |
| | | mpool->nready--; |
| | | mpool->closeConn( connfd); |
| | | // mpool->conns[i].fd = -1; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | //超时后,关闭超时连接 |
| | | for (i = 0; i <= mpool.maxi; i++) { |
| | | if ( (connfd = mpool.conns[i].fd) > 0 ) { |
| | | for (i = 0; i <= mpool->maxi; i++) { |
| | | if ( (connfd = mpool->conns[i].fd) > 0 ) { |
| | | // 关闭并清除写入或读取失败的连接 |
| | | close_connect(mpool, connfd); |
| | | mpool.conns[i].fd = -1; |
| | | mpool->closeConn( connfd); |
| | | // mpool->conns[i].fd = -1; |
| | | } |
| | | } |
| | | |
| | | mpool.maxi = -1; |
| | | mpool->maxi = -1; |
| | | |
| | | *recv_arr = ret_arr; |
| | | if(recv_arr_size != NULL) { |
| | |
| | | net_mod_recv_msg_t recv_msg; |
| | | char portstr[32]; |
| | | int n_req = 0, n_pub_suc = 0, n_resp = 0; |
| | | int ret; |
| | | |
| | | pool mpool; |
| | | init_conn_pool(mpool); |
| | | int ret; |
| | | NetConnPool *mpool; |
| | | |
| | | /* Make first caller allocate key for thread-specific data */ |
| | | ret = pthread_once(&once, _createKey_); |
| | | if (ret != 0) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::_sendandrecv_ pthread_once"); |
| | | exit(1); |
| | | } |
| | | |
| | | mpool = (NetConnPool *)pthread_getspecific(poolKey); |
| | | if (mpool == NULL) |
| | | { |
| | | /* If first call from this thread, allocte buffer for thread, and save its location */ |
| | | mpool = new NetConnPool(); |
| | | if (mpool == NULL) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::_sendandrecv_ malloc"); |
| | | exit(1); |
| | | } |
| | | |
| | | ret = pthread_setspecific(poolKey, mpool); |
| | | if (ret != 0) { |
| | | LoggerFactory::getLogger()->error(errno, "NetModSocket::_sendandrecv_ pthread_setspecific"); |
| | | exit(1); |
| | | } |
| | | } |
| | | |
| | | |
| | | for (i = 0; i < arrlen; i++) { |
| | |
| | | |
| | | } else { |
| | | sprintf(portstr, "%d", node->port); |
| | | if( (connfd = connect(mpool, node)) < 0 ) { |
| | | if( (connfd = mpool->getConn(node->host, node->port)) < 0 ) { |
| | | continue; |
| | | } |
| | | request_head.mod = BUS; |
| | |
| | | |
| | | if(write_request(connfd, request_head, content, content_size, topic, request_head.topic_length) != 0) { |
| | | LoggerFactory::getLogger()->error(" NetModSocket::_pub_ write_request failture %s:%d\n", node->host, node->port); |
| | | close_connect(mpool, connfd); |
| | | mpool->closeConn( connfd); |
| | | } else { |
| | | n_req++; |
| | | } |
| | |
| | | while(n_resp < n_req) |
| | | { |
| | | /* Wait for listening/connected descriptor(s) to become ready */ |
| | | if( (mpool.nready = poll(mpool.conns, mpool.maxi + 1, timeout) ) <= 0) { |
| | | if( (mpool->nready = poll(mpool->conns, mpool->maxi + 1, timeout) ) <= 0) { |
| | | // wirite_set 和 read_set 在指定时间内都没准备好 |
| | | break; |
| | | } |
| | | // printf("mpool.nready =%d\n", mpool.nready); |
| | | for (i = 0; (i <= mpool.maxi) && (mpool.nready > 0); i++) { |
| | | if ( (connfd = mpool.conns[i].fd) > 0 ) { |
| | | if (mpool.conns[i].revents & POLLIN ) |
| | | // printf("mpool->nready =%d\n", mpool->nready); |
| | | for (i = 0; (i <= mpool->maxi) && (mpool->nready > 0); i++) { |
| | | if ( (connfd = mpool->conns[i].fd) > 0 ) { |
| | | if (mpool->conns[i].revents & POLLIN ) |
| | | { |
| | | mpool.nready--; |
| | | mpool->nready--; |
| | | // printf("POLLIN %d\n", connfd); |
| | | if( (ret = read_response(connfd, &recv_msg)) == 0) { |
| | | |
| | | // 成功收到返回消息,清空读入位 |
| | | mpool.conns[i].fd = -1; |
| | | mpool->conns[i].fd = -1; |
| | | n_pub_suc++; |
| | | } |
| | | // else if(ret == -1) { |
| | | // // 网络连接错误 |
| | | // } else { |
| | | // // 对方的key是关闭的 |
| | | // } |
| | | mpool.conns[i].fd = -1; |
| | | close_connect(mpool, connfd); |
| | | else if(ret == -1) { |
| | | // 网络连接错误 |
| | | mpool->closeConn( connfd); |
| | | } else { |
| | | // 对方的key是关闭的 |
| | | mpool->conns[i].fd = -1; |
| | | } |
| | | n_resp++; |
| | | // printf("read response %d\n", n); |
| | | |
| | | } |
| | | |
| | | if (mpool.conns[i].revents & POLLOUT ) { |
| | | if (mpool->conns[i].revents & POLLOUT ) { |
| | | // printf("poll POLLOUT %d\n", connfd); |
| | | } |
| | | |
| | | if (mpool.conns[i].revents & (POLLRDHUP | POLLHUP | POLLERR) ) |
| | | if (mpool->conns[i].revents & (POLLRDHUP | POLLHUP | POLLERR) ) |
| | | { |
| | | // printf("poll POLLERR %d\n", connfd); |
| | | mpool.nready--; |
| | | mpool->nready--; |
| | | |
| | | mpool.conns[i].fd = -1; |
| | | close_connect(mpool, connfd); |
| | | mpool->conns[i].fd = -1; |
| | | mpool->closeConn( connfd); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | //超时后,关闭超时连接 |
| | | for (i = 0; i <= mpool.maxi; i++) { |
| | | if ( (connfd = mpool.conns[i].fd) > 0 ) { |
| | | for (i = 0; i <= mpool->maxi; i++) { |
| | | if ( (connfd = mpool->conns[i].fd) > 0 ) { |
| | | // 关闭并清除写入或读取失败的连接 |
| | | close_connect(mpool, connfd); |
| | | mpool.conns[i].fd = -1; |
| | | mpool->closeConn( connfd); |
| | | // mpool->conns[i].fd = -1; |
| | | } |
| | | } |
| | | |
| | | mpool.maxi = -1; |
| | | mpool->maxi = -1; |
| | | |
| | | return n_pub_suc; |
| | | } |
| | |
| | | |
| | | |
| | | |
| | | void NetModSocket::init_conn_pool(pool& mpool) |
| | | { |
| | | /* Initially, there are no connected descriptors */ |
| | | int i; |
| | | mpool.maxi = -1; //line:conc:echoservers:beginempty |
| | | for (i = 0; i < OPEN_MAX; i++) { |
| | | mpool.conns[i].fd = -1; |
| | | mpool.conns[i].events = 0; |
| | | } |
| | | |
| | | } |
| | | |
| | | /** |
| | | uint32_t mod; |