From 973ea7eaee914ba2e296d97bdb0457b6732891e1 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期五, 27 十一月 2020 18:55:58 +0800
Subject: [PATCH] update
---
src/socket/net_mod_socket.c | 809 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 787 insertions(+), 22 deletions(-)
diff --git a/src/socket/net_mod_socket.c b/src/socket/net_mod_socket.c
index 572fe21..5ddf221 100644
--- a/src/socket/net_mod_socket.c
+++ b/src/socket/net_mod_socket.c
@@ -1,32 +1,797 @@
#include "net_mod_socket.h"
#include "socket_io.h"
+#include "net_mod_socket_io.h"
+#include <sys/types.h> /* See NOTES */
+#include <sys/socket.h>
-NetModSocket::NetModSocket(const char *host, int port)
+
+
+
+NetModSocket::NetModSocket()
{
- char portstr[32];
- sprintf(portstr, "%d", port);
- clientfd = Open_clientfd(host, portstr);
- Rio_readinitb(&rio, clientfd);
+ init_req_rep_req_resp_pool();
+
+ if (Signal(SIGPIPE, SIG_IGN) == SIG_ERR) err_msg(errno, "signal");
}
-
-ssize_t NetModSocket::send(void *buf, size_t size) {
- int n = rio_writen(clientfd, buf, size);
-
- char resp[MAXLINE];
- int ss;
- ss = rio_readlineb(&rio, resp, MAXLINE);
- puts(resp);
- return n;
-}
-
-// ssize_t recv(void *buf, size_t len) {
-
-// return rio_readlineb(&rio, buf, MAXLINE);
-
-// }
NetModSocket::~NetModSocket() {
- Close(clientfd);
+ int clientfd;
+ for (auto map_iter = req_resp_pool.connectionMap.begin(); map_iter != req_resp_pool.connectionMap.end(); map_iter++) {
+ clientfd = map_iter->second;
+ Close(clientfd);
+ }
}
+
+/**
+ * 缁戝畾绔彛鍒皊ocket, 濡傛灉涓嶇粦瀹氬垯绯荤粺鑷姩鍒嗛厤涓�涓�
+ * @return 0 鎴愬姛锛� 鍏朵粬鍊� 澶辫触鐨勯敊璇爜
+*/
+int NetModSocket::bind(int key) {
+ return shmModSocket.bind(key);
+}
+
+/**
+ * 寮哄埗缁戝畾绔彛鍒皊ocket, 閫傜敤浜庣▼搴忛潪姝ｅ父鍏抽棴鐨勬儏鍐典笅锛岄噸鍚▼搴忕粦瀹氬師鏉ヨ繕娌￠噴鏀剧殑key
+ * @return 0 鎴愬姛锛� 鍏朵粬鍊� 澶辫触鐨勯敊璇爜
+*/
+int NetModSocket::force_bind( int key) {
+ return shmModSocket.force_bind(key);
+}
+
+int NetModSocket::sendandrecv(net_node_t *node_arr, int arrlen, void *send_buf, int send_size,
+ net_mod_recv_msg_t ** recv_arr, int *recv_arr_size) {
+ _sendandrecv_(node_arr, arrlen, send_buf,send_size, recv_arr, recv_arr_size, -1);
+}
+int NetModSocket::sendandrecv_timeout(net_node_t *node_arr, int arrlen, void *send_buf, int send_size,
+ net_mod_recv_msg_t ** recv_arr, int *recv_arr_size, int timeout) {
+ _sendandrecv_(node_arr, arrlen, send_buf,send_size, recv_arr, recv_arr_size, timeout);
+}
+int NetModSocket::sendandrecv_nowait(net_node_t *node_arr, int arrlen, void *send_buf, int send_size,
+ net_mod_recv_msg_t ** recv_arr, int *recv_arr_size) {
+ _sendandrecv_(node_arr, arrlen, send_buf,send_size, recv_arr, recv_arr_size, 0);
+
+}
+
+int NetModSocket::_sendandrecv_(net_node_t *node_arr, int arrlen, void *send_buf, int send_size,
+ net_mod_recv_msg_t ** recv_arr, int *recv_arr_size, int timeout = 5 * 1000) {
+
+ int i, n, recv_size, connfd;
+ net_node_t *node;
+ void *recv_buf;
+
+ net_mod_request_head_t request_head = {};
+
+ int n_req = 0, n_recv_suc = 0, n_resp;
+
+ net_mod_recv_msg_t *ret_arr = (net_mod_recv_msg_t *)calloc(arrlen, sizeof(net_mod_recv_msg_t));
+
+ //init_req_rep_req_resp_pool();
+
+ for (i = 0; i< arrlen; i++) {
+
+ node = &node_arr[i];
+ if(node->host == NULL) {
+ // 鏈湴鍙戦��
+ shmModSocket.sendandrecv(send_buf, send_size, node->key, &recv_buf, &recv_size);
+ strcpy( ret_arr[n_recv_suc].host,"localshm");
+ ret_arr[n_recv_suc].port = 0;
+ ret_arr[n_recv_suc].key = node->key;
+ ret_arr[n_recv_suc].content = recv_buf;
+ ret_arr[n_recv_suc].content_length = recv_size;
+ n_recv_suc++;
+ continue;
+ }
+
+ if( (connfd = connect(node)) < 0 ) {
+ continue;
+ }
+
+
+ request_head.mod = REQ_REP;
+ memcpy(request_head.host, node->host, sizeof(request_head.host));
+ request_head.port = node->port;
+ request_head.key = node->key;
+ request_head.content_length = send_size;
+
+
+ // printf("write_request %s:%d\n", request_head.host, request_head.port);
+ if(write_request(connfd, request_head, send_buf, send_size) != 0) {
+ LoggerFactory::getLogger()->error("write_request failture %s:%d\n", node->host, node->port);
+ close_connect(connfd);
+ // req_resp_pool.conns[i].fd = -1;
+ } else {
+ n_req++;
+ }
+
+ }
+
+// printf(" req_resp_pool.maxi = %d\n", req_resp_pool.maxi);
+// printf(" n_req = %d\n", n_req);
+
+// int tmp = 0;
+ while(n_resp < n_req)
+ {
+// printf(" while %d\n", tmp++);
+ /* Wait for listening/connected descriptor(s) to become ready */
+ if( (req_resp_pool.nready = poll(req_resp_pool.conns, req_resp_pool.maxi + 1, timeout) ) <= 0) {
+ // wirite_set 鍜� read_set 鍦ㄦ寚瀹氭椂闂村唴閮芥病鍑嗗濂�
+ break;
+ }
+// printf("req_resp_pool.nready =%d\n", req_resp_pool.nready);
+ for (i = 0; (i <= req_resp_pool.maxi) && (req_resp_pool.nready > 0); i++) {
+ if ( (connfd = req_resp_pool.conns[i].fd) > 0 ) {
+ /* If the descriptor is ready, echo a text line from it */
+ if (req_resp_pool.conns[i].revents & POLLIN )
+ {
+ req_resp_pool.nready--;
+// printf("POLLIN %d\n", connfd);
+ if( (n = read_response(connfd, ret_arr+n_recv_suc)) == 0) {
+
+ // 鎴愬姛鏀跺埌杩斿洖娑堟伅锛屾竻绌鸿鍏ヤ綅
+ req_resp_pool.conns[i].fd = -1;
+ n_recv_suc++;
+
+ } else if(n == -1) {
+ req_resp_pool.conns[i].fd = -1;
+ close_connect(connfd);
+ } else {
+ req_resp_pool.conns[i].fd = -1;
+
+ }
+ n_resp++;
+// printf("read response %d\n", n);
+
+ }
+
+ if (req_resp_pool.conns[i].revents & POLLOUT ) {
+ // printf("poll POLLOUT %d\n", connfd);
+ }
+
+ if (req_resp_pool.conns[i].revents & (POLLRDHUP | POLLHUP | POLLERR) )
+ {
+// printf("poll POLLERR %d\n", connfd);
+ req_resp_pool.nready--;
+ close_connect(connfd);
+ req_resp_pool.conns[i].fd = -1;
+ }
+ }
+ }
+ }
+
+ for (i = 0; i <= req_resp_pool.maxi; i++) {
+ if ( (connfd = req_resp_pool.conns[i].fd) > 0 ) {
+ // 鍏抽棴骞舵竻闄ゅ啓鍏ユ垨璇诲彇澶辫触鐨勮繛鎺�
+ close_connect(connfd);
+ req_resp_pool.conns[i].fd = -1;
+ }
+ }
+
+ req_resp_pool.maxi = -1;
+
+ *recv_arr = ret_arr;
+ if(recv_arr_size != NULL) {
+ *recv_arr_size = n_recv_suc;
+ }
+ return n_recv_suc;
+
+}
+
+
+int NetModSocket::sendandrecv_safe(net_node_t *node_arr, int arrlen, void *send_buf, int send_size,
+ net_mod_recv_msg_t ** recv_arr, int *recv_arr_size) {
+
+ int i, clientfd;
+ net_node_t *node;
+ void *recv_buf;
+ int recv_size;
+ char response_head_bs[NET_MODE_RESPONSE_HEAD_LENGTH];
+ net_mod_request_head_t request_head = {};
+ net_mod_response_head_t response_head;
+
+
+ char portstr[32];
+ char *buf = NULL;
+ int buf_size, max_buf_size;
+
+ if(buf == NULL) {
+ buf = (char *)malloc(MAXBUF);
+ max_buf_size = MAXBUF;
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::sendandrecv malloc");
+ }
+
+ int nsuc = 0;
+ net_mod_recv_msg_t *ret_arr = (net_mod_recv_msg_t *)calloc(arrlen, sizeof(net_mod_recv_msg_t));
+
+ for (i = 0; i< arrlen; i++) {
+
+ node = &node_arr[i];
+ if(node->host == NULL) {
+ // 鏈湴鍙戦��
+ shmModSocket.sendandrecv(send_buf, send_size, node->key, &recv_buf, &recv_size);
+ goto LABEL_ARR_PUSH;
+ }
+
+ sprintf(portstr, "%d", node->port);
+ clientfd = open_clientfd(node->host, portstr);
+ if(clientfd < 0) {
+ continue;
+ }
+
+ buf_size = send_size + NET_MODE_REQUEST_HEAD_LENGTH;
+ if(max_buf_size < buf_size) {
+ if((buf = (char *)realloc(buf, buf_size)) == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::sendandrecv_safe realloc buf");
+ } else {
+ max_buf_size = buf_size;
+ }
+
+ }
+
+
+ request_head.mod = REQ_REP;
+ request_head.key = node->key;
+ request_head.content_length = send_size;
+ request_head.topic_length = 0;
+
+ // optval = 1;
+ // setsockopt(clientfd, IPPROTO_TCP, TCP_CORK, &optval, sizeof(optval));
+ memcpy(buf, NetModSocket::encode_request_head(request_head), NET_MODE_REQUEST_HEAD_LENGTH);
+ memcpy(buf + NET_MODE_REQUEST_HEAD_LENGTH, send_buf, send_size);
+
+
+ if(rio_writen(clientfd, buf, buf_size) != buf_size ) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::sendandrecv_safe rio_writen buf");
+
+ close(clientfd);
+ continue;
+ }
+ // optval = 0;
+ // setsockopt(clientfd, IPPROTO_TCP, TCP_CORK, &optval, sizeof(optval));
+
+ if ( rio_readn(clientfd, response_head_bs, NET_MODE_RESPONSE_HEAD_LENGTH) != NET_MODE_RESPONSE_HEAD_LENGTH) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::sendandrecv_safe rio_readnb response_head_bs");
+
+ close(clientfd);
+ continue;
+ }
+
+ response_head = NetModSocket::decode_response_head(response_head_bs);
+ if(response_head.code != 0) {
+ continue;
+ }
+
+ recv_buf = malloc(response_head.content_length);
+ if(recv_buf == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::send malloc");
+ exit(1);
+ }
+ if ( (recv_size = rio_readn(clientfd, recv_buf, response_head.content_length) ) != response_head.content_length) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::sendandrecv_safe rio_readnb recv_buf");
+
+ close(clientfd);
+ continue;
+ }
+
+LABEL_ARR_PUSH:
+ if(node->host != NULL) {
+ strcpy(ret_arr[nsuc].host, node->host);
+ } else {
+ strcpy(ret_arr[nsuc].host, "local");
+ }
+
+ ret_arr[nsuc].port = node->port;
+ ret_arr[nsuc].key = node->key;
+ ret_arr[nsuc].content = recv_buf;
+ ret_arr[nsuc].content_length = recv_size;
+
+ nsuc++;
+ }
+
+ *recv_arr = ret_arr;
+ if(recv_arr_size != NULL) {
+ *recv_arr_size = nsuc;
+ }
+
+ free(buf);
+ return nsuc;
+
+}
+
+// int pub(char *topic, int topic_size, void *content, int content_size, int port);
+
+int NetModSocket::pub(net_node_t *node_arr, int arrlen, char *topic, int topic_size, void *content, int content_size) {
+ int i, clientfd;
+ net_node_t *node;
+
+ char *buf;
+ int max_buf_size, buf_size;
+
+ net_mod_request_head_t request_head;
+ char portstr[32];
+ int nsuc = 0;
+
+ if((buf = (char *)malloc(MAXBUF)) == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::sendandrecv malloc");
+ exit(1);
+ } else {
+ max_buf_size = MAXBUF;
+ }
+
+ for (i = 0; i< arrlen; i++) {
+
+ node = &node_arr[i];
+ if(node->host == NULL) {
+ // 鏈湴鍙戦��
+ if(shmModSocket.pub(topic, topic_size, content, content_size, node->key) == 0 ) {
+ nsuc++;
+ }
+
+ } else {
+ sprintf(portstr, "%d", node->port);
+ clientfd = open_clientfd(node->host, portstr);
+ if(clientfd < 0) {
+ continue;
+ }
+
+ request_head.mod = BUS;
+ request_head.key = node->key;
+ request_head.content_length = content_size;
+ request_head.topic_length = strlen(topic) + 1;
+
+ buf_size = NET_MODE_REQUEST_HEAD_LENGTH + content_size + request_head.topic_length;
+
+ if(max_buf_size < buf_size) {
+ if( ( buf = (char *)realloc(buf, buf_size)) == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::pub realloc buf ");
+ } else {
+ max_buf_size = buf_size;
+ }
+
+ }
+
+ memcpy(buf, NetModSocket::encode_request_head(request_head), NET_MODE_REQUEST_HEAD_LENGTH);
+ memcpy(buf + NET_MODE_REQUEST_HEAD_LENGTH, content, content_size);
+ memcpy(buf + NET_MODE_REQUEST_HEAD_LENGTH + content_size, topic, request_head.topic_length);
+
+ if(rio_writen(clientfd, buf, buf_size) != buf_size ) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::pub rio_writen conent ");
+ } else {
+ nsuc++;
+ }
+ close(clientfd);
+ }
+
+
+ }
+
+ free(buf);
+ return nsuc;
+}
+
+
+/**
+ * 鍙戦�佷俊鎭�
+ * @key 鍙戦�佺粰璋�
+ * @return 0 鎴愬姛锛� 鍏朵粬鍊� 澶辫触鐨勯敊璇爜
+ */
+int NetModSocket::sendto(const void *buf, const int size, const int key){
+ return shmModSocket.sendto(buf, size, key);
+}
+
+// 鍙戦�佷俊鎭秴鏃惰繑鍥炪�� @sec 绉� 锛� @nsec 绾崇
+int NetModSocket::sendto_timeout(const void *buf, const int size, const int key, int sec, int nsec){
+ struct timespec timeout = {sec, nsec};
+ return shmModSocket.sendto_timeout(buf, size, key, &timeout);
+}
+
+// 鍙戦�佷俊鎭珛鍒昏繑鍥炪��
+int NetModSocket::sendto_nowait(const void *buf, const int size, const int key){
+ return shmModSocket.sendto_nowait(buf, size, key);
+}
+
+/**
+ * 鎺ユ敹淇℃伅
+ * @key 浠庤皝鍝噷鏀跺埌鐨勪俊鎭�
+ * @return 0 鎴愬姛锛� 鍏朵粬鍊� 澶辫触鐨勯敊璇爜
+*/
+int NetModSocket::recvfrom(void **buf, int *size, int *key) {
+ return shmModSocket.recvfrom(buf, size, key);
+}
+// 鎺ュ彈淇℃伅瓒呮椂杩斿洖銆� @sec 绉� 锛� @nsec 绾崇
+int NetModSocket::recvfrom_timeout(void **buf, int *size, int *key, int sec, int nsec){
+ struct timespec timeout = {sec, nsec};
+ return shmModSocket.recvfrom_timeout(buf, size, key, &timeout);
+}
+
+int NetModSocket::recvfrom_nowait(void **buf, int *size, int *key){
+ return shmModSocket.recvfrom_nowait(buf, size, key);
+}
+
+/**
+ * 鍙戦�佽姹備俊鎭苟绛夊緟鎺ユ敹搴旂瓟
+ * @key 鍙戦�佺粰璋�
+ * @return 0 鎴愬姛锛� 鍏朵粬鍊� 澶辫触鐨勯敊璇爜
+*/
+int NetModSocket::sendandrecv( const void *send_buf, const int send_size, const int key, void **recv_buf, int *recv_size){
+ return shmModSocket.sendandrecv(send_buf, send_size, key, recv_buf, recv_size);
+}
+// 瓒呮椂杩斿洖銆� @sec 绉� 锛� @nsec 绾崇
+int NetModSocket::sendandrecv_timeout( const void *send_buf, const int send_size, const int key, void **recv_buf, int *recv_size, int sec, int nsec){
+ struct timespec timeout = {sec, nsec};
+ return shmModSocket.sendandrecv_timeout(send_buf, send_size, key, recv_buf, recv_size, &timeout);
+}
+int NetModSocket::sendandrecv_nowait( const void *send_buf, const int send_size, const int key, void **recv_buf, int *recv_size) {
+ return shmModSocket.sendandrecv_nowait(send_buf, send_size, key, recv_buf, recv_size);
+}
+
+
+/**
+ * 鍚姩bus
+ *
+ * @return 0 鎴愬姛锛� 鍏朵粬鍊� 澶辫触鐨勯敊璇爜
+*/
+int NetModSocket::start_bus() {
+ return shmModSocket.start_bus();
+}
+
+/**
+ * 璁㈤槄鎸囧畾涓婚
+ * @topic 涓婚
+ * @size 涓婚闀垮害
+ * @key 鎬荤嚎绔彛
+ */
+int NetModSocket::sub( void *topic, int size, int key){
+ return shmModSocket.sub((char *)topic, size, key);
+}
+// 瓒呮椂杩斿洖銆� @sec 绉� 锛� @nsec 绾崇
+int NetModSocket::sub_timeout( void *topic, int size, int key, int sec, int nsec){
+ struct timespec timeout = {sec, nsec};
+ return shmModSocket.sub_timeout((char *)topic, size, key, &timeout);
+}
+int NetModSocket::sub_nowait( void *topic, int size, int key){
+ return shmModSocket.sub_nowait((char *)topic, size, key);
+}
+
+
+
+/**
+ * 鍙栨秷璁㈤槄鎸囧畾涓婚
+ * @topic 涓婚
+ * @size 涓婚闀垮害
+ * @key 鎬荤嚎绔彛
+ */
+int NetModSocket::desub( void *topic, int size, int key){
+ return shmModSocket.desub((char *)topic, size, key);
+}
+// 瓒呮椂杩斿洖銆� @sec 绉� 锛� @nsec 绾崇
+int NetModSocket::desub_timeout( void *topic, int size, int key, int sec, int nsec){
+ struct timespec timeout = {sec, nsec};
+ return shmModSocket.desub_timeout((char *)topic, size, key, &timeout);
+}
+int NetModSocket::desub_nowait( void *topic, int size, int key){
+ return shmModSocket.desub_nowait((char *)topic, size, key);
+}
+
+
+
+/**
+ * 鍙戝竷涓婚
+ * @topic 涓婚
+ * @content 涓婚鍐呭
+ * @key 鎬荤嚎绔彛
+ */
+int NetModSocket::pub( char *topic, int topic_size, void *content, int content_size, int key){
+ return shmModSocket.pub(topic, topic_size, content, content_size, key);
+}
+// 瓒呮椂杩斿洖銆� @sec 绉� 锛� @nsec 绾崇
+int NetModSocket::pub_timeout( char *topic, int topic_size, void *content, int content_size, int key, int sec, int nsec){
+ struct timespec timeout = {sec, nsec};
+ return shmModSocket.pub_timeout(topic, topic_size, content, content_size, key, &timeout);
+}
+int NetModSocket::pub_nowait( char *topic, int topic_size, void *content, int content_size, int key){
+ return shmModSocket.pub_nowait(topic, topic_size, content, content_size, key);
+}
+
+
+/**
+ * 鑾峰彇soket绔彛鍙�
+ */
+int NetModSocket::get_key() {
+ return shmModSocket.get_key();
+}
+
+
+void NetModSocket::free_recv_msg_arr(net_mod_recv_msg_t * arr, size_t size) {
+
+ for(int i =0; i< size; i++) {
+ free(arr[i].content);
+ }
+ free(arr);
+}
+
+
+
+
+//======================================================================================
+
+
+
+int NetModSocket::write_request(int clientfd, net_mod_request_head_t &request_head, void *send_buf, int send_size) {
+
+ int buf_size;
+ char *buf;
+ int max_buf_size;
+ if((buf = (char *)malloc(MAXBUF)) == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::NetModSocket malloc");
+ exit(1);
+ } else {
+ max_buf_size = MAXBUF;
+ }
+
+ buf_size = send_size + NET_MODE_REQUEST_HEAD_LENGTH;
+ if(max_buf_size < buf_size) {
+
+ if((buf = (char *)realloc(buf, buf_size)) == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::write_request realloc buf");
+ exit(1);
+ } else {
+ max_buf_size = buf_size;
+ }
+ }
+
+ memcpy(buf, NetModSocket::encode_request_head(request_head), NET_MODE_REQUEST_HEAD_LENGTH);
+ memcpy(buf + NET_MODE_REQUEST_HEAD_LENGTH, send_buf, send_size);
+
+ if(rio_writen(clientfd, buf, buf_size) != buf_size ) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::write_request rio_writen");
+ free(buf);
+ return -1;
+ }
+ free(buf);
+ return 0;
+}
+
+/**
+ * @return 0 鎴愬姛, 1 瀵规柟娌℃湁瀵瑰簲鐨刱ey, -1 缃戠粶閿欒
+ *
+ */
+int NetModSocket::read_response(int connfd, net_mod_recv_msg_t *recv_msg) {
+ int recv_size;
+ void *recv_buf;
+ char response_head_bs[NET_MODE_RESPONSE_HEAD_LENGTH];
+
+ net_mod_response_head_t response_head;
+ if ( rio_readn(connfd, response_head_bs, NET_MODE_RESPONSE_HEAD_LENGTH) != NET_MODE_RESPONSE_HEAD_LENGTH) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::read_response rio_readnb response_head");
+
+ return -1;
+ }
+
+ response_head = NetModSocket::decode_response_head(response_head_bs);
+// printf(">>>> read_response %s\n", response_head.host);
+ if(response_head.code != 0) {
+ // 瀵规柟娌℃湁瀵瑰簲鐨刱ey
+ return 1;
+ }
+
+ recv_buf = malloc(response_head.content_length);
+ if(recv_buf == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::send malloc recv_buf");
+ exit(1);
+ }
+ if ( (recv_size = rio_readn(connfd, recv_buf, response_head.content_length) ) != response_head.content_length) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::read_response rio_readnb recv_buf");
+
+ return -1;
+ }
+
+ strcpy( recv_msg->host, response_head.host);
+ recv_msg->port = response_head.port;
+ recv_msg->key = response_head.key;
+ recv_msg->content = recv_buf;
+ recv_msg->content_length = recv_size;
+ return 0;
+}
+
+
+
+
+void NetModSocket::init_req_rep_req_resp_pool()
+{
+ /* Initially, there are no connected descriptors */
+ int i;
+ req_resp_pool.maxi = -1; //line:conc:echoservers:beginempty
+ for (i = 0; i < OPEN_MAX; i++) {
+ req_resp_pool.conns[i].fd = -1;
+ req_resp_pool.conns[i].events = 0;
+ }
+
+}
+
+int NetModSocket::connect( net_node_t *node) {
+ std::map<std::string, int>::iterator mapIter;
+ int connfd;
+ int i;
+ char mapKey[256];
+ char portstr[32];
+
+ sprintf(mapKey, "%s:%d", node->host, node->port);
+ mapIter = req_resp_pool.connectionMap.find(mapKey);
+ if( mapIter != req_resp_pool.connectionMap.end()) {
+ connfd = mapIter->second;
+// printf("hit: %s\n", mapKey);
+ } else {
+// 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, "connect %s:%d ", node->host, node->port);
+ return -1;
+ }
+ req_resp_pool.connectionMap.insert({mapKey, connfd});
+ }
+
+
+ for (i = 0; i < OPEN_MAX; i++) { /* Find an available slot */
+ if (req_resp_pool.conns[i].fd < 0)
+ {
+ /* Add connected descriptor to the req_resp_pool */
+ req_resp_pool.conns[i].fd = connfd;
+
+ req_resp_pool.conns[i].events = POLLIN;
+ /* Add the descriptor to descriptor set */
+ break;
+ }
+ }
+
+ if (i > req_resp_pool.maxi)
+ req_resp_pool.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;
+}
+
+void NetModSocket::close_connect(int connfd) {
+ int i;
+ char mapKey[256];
+ std::map<std::string, int>::iterator map_iter;
+ if(close(connfd) != 0) {
+ LoggerFactory::getLogger()->error(errno, "NetModSocket::close_connect close");
+ }
+
+
+ for (i = 0; i <= req_resp_pool.maxi; i++) {
+ if(req_resp_pool.conns[i].fd == connfd) {
+ req_resp_pool.conns[i].fd = -1;
+ }
+ }
+
+ for ( map_iter = req_resp_pool.connectionMap.begin(); map_iter != req_resp_pool.connectionMap.end(); ) {
+ if(connfd == map_iter->second) {
+// std::cout << "map_iter->first==" << map_iter->first << std::endl;
+ map_iter = req_resp_pool.connectionMap.erase(map_iter);
+ } else {
+ ++map_iter;
+ }
+ }
+
+ LoggerFactory::getLogger()->debug( "closed %d\n", connfd);
+
+}
+/**
+ uint32_t mod;
+ char host[NI_MAXHOST];
+ uint32_t port;
+ uint32_t key;
+ uint32_t content_length;
+ uint32_t topic_length;
+*/
+
+void * NetModSocket::encode_request_head(net_mod_request_head_t & head) {
+ void * headbs = malloc(NET_MODE_REQUEST_HEAD_LENGTH);
+ char *tmp_ptr = (char *)headbs;
+
+ PUT(tmp_ptr, htonl(head.mod));
+
+ tmp_ptr += 4;
+ memcpy(tmp_ptr, head.host, sizeof(head.host));
+
+ tmp_ptr += sizeof(head.host);
+ PUT(tmp_ptr, htonl(head.port));
+
+ tmp_ptr += 4;
+ PUT(tmp_ptr, htonl(head.key));
+
+ tmp_ptr += 4;
+ PUT(tmp_ptr, htonl(head.content_length));
+
+ tmp_ptr += 4;
+ PUT(tmp_ptr, htonl(head.topic_length));
+
+
+ return headbs;
+}
+
+net_mod_request_head_t NetModSocket::decode_request_head(void *headbs) {
+ char *tmp_ptr = (char *)headbs;
+ net_mod_request_head_t head;
+
+ head.mod = ntohl(GET(tmp_ptr));
+
+ tmp_ptr += 4;
+ memcpy(head.host, tmp_ptr, sizeof(head.host));
+
+
+ tmp_ptr += sizeof(head.host);
+ head.port = ntohl(GET(tmp_ptr));
+
+ tmp_ptr += 4;
+ head.key = ntohl(GET(tmp_ptr));
+
+ tmp_ptr += 4;
+ head.content_length = ntohl(GET(tmp_ptr));
+
+ tmp_ptr += 4;
+ head.topic_length = ntohl(GET(tmp_ptr));
+
+ return head;
+}
+
+/**
+ char host[NI_MAXHOST];
+ uint32_t port;
+ uint32_t key;
+ uint32_t content_length;
+ uint32_t code;
+ */
+void * NetModSocket::encode_response_head(net_mod_response_head_t & response) {
+ void * headbs = malloc(NET_MODE_RESPONSE_HEAD_LENGTH);
+ char *tmp_ptr = (char *)headbs;
+
+ memcpy(tmp_ptr, response.host, NI_MAXHOST);
+
+ tmp_ptr += NI_MAXHOST;
+ PUT(tmp_ptr, htonl(response.port));
+
+ tmp_ptr += 4;
+ PUT(tmp_ptr , htonl(response.key));
+
+ tmp_ptr += 4;
+ PUT(tmp_ptr, htonl(response.content_length));
+
+ tmp_ptr += 4;
+ PUT(tmp_ptr, htonl(response.code));
+
+ return headbs;
+}
+
+net_mod_response_head_t NetModSocket::decode_response_head(void *headbs) {
+ char *tmp_ptr = (char *)headbs;
+ net_mod_response_head_t head;
+
+ memcpy(head.host, tmp_ptr, NI_MAXHOST);
+
+ tmp_ptr += NI_MAXHOST;
+ head.port = ntohl(GET(tmp_ptr));
+
+ tmp_ptr += 4;
+ head.key = ntohl(GET(tmp_ptr));
+
+ tmp_ptr += 4;
+ head.content_length = ntohl(GET(tmp_ptr));
+
+ tmp_ptr += 4;
+ head.code = ntohl(GET(tmp_ptr));
+
+ return head;
+}
--
Gitblit v1.8.0