From 26ed48c4e616014ee760fd13d13dbdc8539c34e3 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期二, 22 十二月 2020 19:21:55 +0800
Subject: [PATCH] 解决sendandrecv发送到一个不存在key的情况
---
src/socket/net_mod_server_socket.c | 188 +++++++++++++++++++++++++++++++++++-----------
1 files changed, 143 insertions(+), 45 deletions(-)
diff --git a/src/socket/net_mod_server_socket.c b/src/socket/net_mod_server_socket.c
index f475b3a..2fb70e8 100644
--- a/src/socket/net_mod_server_socket.c
+++ b/src/socket/net_mod_server_socket.c
@@ -3,44 +3,66 @@
#include "socket_io.h"
#include "net_mod_socket_io.h"
#include "net_mod_socket.h"
+#include "key_def.h"
-NetModServerSocket::NetModServerSocket(int port):max_buf(1024), max_topic_buf(256)
-{
- char portstr[32];
+static Logger * logger = LoggerFactory::getLogger();
- //shmModSocket = new ShmModSocket;
- sprintf(portstr, "%d", port);
- listenfd = Open_listenfd(portstr);
- init_pool(listenfd);
+NetModServerSocket::NetModServerSocket(int _port): listenfd(0), port(_port), max_buf(1024), max_topic_buf(256), max_response_buf(1024)
+{
+
buf = malloc(max_buf);
if(buf == NULL) {
- err_exit(errno, "process_client malloc");
+ err_exit(errno, "NetModServerSocket::NetModServerSocket malloc");
}
topic_buf = malloc(max_topic_buf);
if(topic_buf == NULL) {
- err_exit(errno, "process_client malloc");
+ err_exit(errno, "NetModServerSocket::NetModServerSocket malloc");
+ }
+
+ response_buf = (char *) malloc(max_response_buf);
+ if(response_buf == NULL) {
+ err_exit(errno, "NetModServerSocket::NetModServerSocket malloc");
}
}
NetModServerSocket::~NetModServerSocket() {
- Close(listenfd);
- free(buf);
+ if(listenfd != 0) {
+ Close(listenfd);
+ }
+
+ if(buf != NULL)
+ free(buf);
+ if(topic_buf != NULL)
free(topic_buf);
+ if(response_buf != NULL)
+ free(response_buf);
}
-void NetModServerSocket::start() {
+int NetModServerSocket::start() {
int connfd;
socklen_t clientlen;
struct sockaddr_storage clientaddr;
+ char portstr[32];
+ if (Signal(SIGPIPE, SIG_IGN) == SIG_ERR) err_msg(errno, "signal");
+
+ //shmModSocket = new ShmModSocket;
+ sprintf(portstr, "%d", port);
+ listenfd = open_listenfd(portstr);
+ if(listenfd < 0) {
+ LoggerFactory::getLogger()->error(errno, "NetModServerSocket::start . errno=%d ", errno);
+ return -1;
+ }
+ init_pool(listenfd);
+
while (1)
{
/* Wait for listening/connected descriptor(s) to become ready */
pool.ready_set = pool.read_set;
pool.nready = select(pool.maxfd + 1, &pool.ready_set, NULL, NULL, NULL);
-
+ // LoggerFactory::getLogger()->debug("select return \n");
/* If listening descriptor ready, add new client to pool */
if (FD_ISSET(listenfd, &pool.ready_set))
{
@@ -52,6 +74,7 @@
/* Echo a text line from each ready connected descriptor */
check_clients();
}
+ return 0;
}
void NetModServerSocket::init_pool(int listenfd)
@@ -73,7 +96,7 @@
{
int i;
pool.nready--;
- for (i = 0; i < FD_SETSIZE; i++) /* Find an available slot */
+ for (i = 0; i < FD_SETSIZE; i++) {/* Find an available slot */
if (pool.clientfd[i] < 0)
{
/* Add connected descriptor to the pool */
@@ -90,8 +113,12 @@
pool.maxi = i; //line:conc:echoservers:endmaxi
break;
}
- if (i == FD_SETSIZE) /* Couldn't find an empty slot */
- err_msg(errno, "add_client error: Too many clients");
+ }
+ if (i == FD_SETSIZE) {
+ /* Couldn't find an empty slot */
+ LoggerFactory::getLogger()->error(errno, "add_client error: Too many clients");
+
+ }
}
/* $end add_client */
@@ -99,32 +126,30 @@
int NetModServerSocket::process_client(int connfd) {
net_mod_request_head_t request_head;
net_mod_response_head_t response_head;
+ int ret;
char request_head_bs[NET_MODE_REQUEST_HEAD_LENGTH];
void *recv_buf;
-
- int recv_size;
+// char tmp[8196];
+ int recv_size, response_buf_size;
+ struct timespec timeout;
- // if(buf == NULL) {
- // buf = malloc(max_buf);
- // if(buf == NULL) {
- // err_exit(errno, "process_client malloc");
- // }
- // }
-
-
if (rio_readn(connfd, request_head_bs, NET_MODE_REQUEST_HEAD_LENGTH) != NET_MODE_REQUEST_HEAD_LENGTH)
{
return -1;
}
request_head = NetModSocket::decode_request_head(request_head_bs);
+
+// printf("server received request from host = %s:%d, key = %d, timeout=%d,\n",
+// request_head.host, request_head.port , request_head.key, request_head.timeout);
if(request_head.content_length > max_buf) {
- buf = realloc(buf, request_head.content_length);
- max_buf = request_head.content_length;
- if(buf == NULL) {
- LoggerFactory::getLogger()->error(errno, "process_client realloc");
+
+ if( (buf = realloc(buf, request_head.content_length)) == NULL) {
+ LoggerFactory::getLogger()->error(errno, "NetModServerSocket::process_client realloc buf");
exit(1);
+ } else {
+ max_buf = request_head.content_length;
}
}
@@ -132,26 +157,99 @@
return -1;
}
+
if(request_head.mod == REQ_REP) {
- shmModSocket.sendandrecv(buf, request_head.content_length, request_head.key, &recv_buf, &recv_size);
- response_head.content_length = recv_size;
- Rio_writen(connfd, NetModSocket::encode_response_head(response_head), NET_MODE_RESPONSE_HEAD_LENGTH);
- Rio_writen(connfd, recv_buf, recv_size);
+
+ memcpy(response_head.host, request_head.host, NI_MAXHOST);
+ response_head.port = request_head.port;
+ response_head.key = request_head.key;
+
+
+ if(request_head.timeout > 0) {
+ timeout.tv_sec = request_head.timeout / 1000;
+ timeout.tv_nsec = (request_head.timeout - timeout.tv_sec * 1000) * 10e6;
+
+ // printf(" timeout.tv_sec = %d, timeout.tv_nsec=%ld\n", timeout.tv_sec, timeout.tv_nsec );
+
+ ret = shmModSocket.sendandrecv_unsafe_timeout(buf, request_head.content_length, request_head.key, &recv_buf, &recv_size, &timeout);
+ }
+ else if(request_head.timeout == 0) {
+ ret = shmModSocket.sendandrecv_unsafe_nowait(buf, request_head.content_length, request_head.key, &recv_buf, &recv_size);
+ }
+ else if(request_head.timeout == -1) {
+ ret = shmModSocket.sendandrecv_unsafe(buf, request_head.content_length, request_head.key, &recv_buf, &recv_size);
+ }
+
+ if( ret != 0) {
+ // 娌℃湁瀵瑰簲鐨刱ey
+ response_head.code = ret;
+ response_head.content_length = 0;
+ if( rio_writen(connfd, NetModSocket::encode_response_head(response_head), NET_MODE_RESPONSE_HEAD_LENGTH) != NET_MODE_RESPONSE_HEAD_LENGTH )
+ return -1;
+ //Rio_writen(connfd, recv_buf, recv_size);
+ } else {
+ // 鍙戦�佹垚鍔�
+ response_head.code = 0;
+ response_head.content_length = recv_size;
+
+ response_buf_size = NET_MODE_RESPONSE_HEAD_LENGTH + recv_size;
+ if(max_response_buf < response_buf_size) {
+ if( (response_buf = (char *)realloc(response_buf, response_buf_size)) == NULL ) {
+ LoggerFactory::getLogger()->error(errno, "NetModServerSocket::process_client realloc response_buf");
+ exit(1);
+ } else {
+ max_response_buf = response_buf_size;
+ }
+
+
+ }
+ memcpy(response_buf, NetModSocket::encode_response_head(response_head), NET_MODE_RESPONSE_HEAD_LENGTH);
+ memcpy(response_buf + NET_MODE_RESPONSE_HEAD_LENGTH, recv_buf, recv_size);
+
+ if(rio_writen(connfd, response_buf, response_buf_size) != response_buf_size) {
+ return -1;
+ }
+
+ }
+ return 0;
+
+
} else if(request_head.mod == BUS) {
+
if(request_head.topic_length > max_topic_buf) {
- topic_buf = realloc(topic_buf, request_head.topic_length);
- max_topic_buf = request_head.topic_length;
- if(topic_buf == NULL) {
- LoggerFactory::getLogger()->error(errno, "process_client realloc");
+ if( (topic_buf = realloc(topic_buf, request_head.topic_length)) == NULL ) {
+ LoggerFactory::getLogger()->error(errno, "NetModServerSocket::process_client realloc topic_buf");
exit(1);
+ } else {
+ max_topic_buf = request_head.topic_length;
}
}
if (rio_readn(connfd, topic_buf, request_head.topic_length) != request_head.topic_length ) {
return -1;
}
- LoggerFactory::getLogger()->debug("====server pub %s===\n", buf);
- shmModSocket.pub((char*)topic_buf, request_head.topic_length, buf, request_head.content_length, request_head.key);
+// LoggerFactory::getLogger()->debug("====server pub %s===\n", buf);
+ memcpy(response_head.host, request_head.host, NI_MAXHOST);
+ response_head.port = request_head.port;
+ // response_head.key = request_head.key;
+
+ if(request_head.timeout > 0) {
+ timeout.tv_sec = request_head.timeout / 1000;
+ timeout.tv_nsec = (request_head.timeout - timeout.tv_sec * 1000) * 10e6;
+ ret = shmModSocket.pub_timeout((char*)topic_buf, request_head.topic_length, buf, request_head.content_length, BUS_KEY, &timeout);
+ }
+ else if(request_head.timeout == 0) {
+ ret = shmModSocket.pub_nowait((char*)topic_buf, request_head.topic_length, buf, request_head.content_length, BUS_KEY);
+ }
+ else if(request_head.timeout == -1) {
+ ret = shmModSocket.pub((char*)topic_buf, request_head.topic_length, buf, request_head.content_length, BUS_KEY);
+ }
+ response_head.code = ret;
+ response_head.content_length = 0;
+ if( rio_writen(connfd, NetModSocket::encode_response_head(response_head), NET_MODE_RESPONSE_HEAD_LENGTH) != NET_MODE_RESPONSE_HEAD_LENGTH )
+ return -1;
+
+
}
return 0;
@@ -162,23 +260,23 @@
void NetModServerSocket::check_clients()
{
int i, connfd;
- //rio_t *rio;
-
for (i = 0; (i <= pool.maxi) && (pool.nready > 0); i++)
{
connfd = pool.clientfd[i];
- //rio = &pool.clientrio[i];
/* If the descriptor is ready, echo a text line from it */
if ((connfd > 0) && (FD_ISSET(connfd, &pool.ready_set)))
{
pool.nready--;
if(process_client(connfd) != 0) {
- LoggerFactory::getLogger()->debug("===server close client %d\n", connfd);
- Close(connfd); //line:conc:echoservers:closeconnfd
+
+
+ Close(connfd);
FD_CLR(connfd, &pool.read_set);
pool.clientfd[i] = -1;
+ logger->debug("===server close client %d\n", connfd);
+ // printf("===server close client %d\n", connfd);
}
}
--
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