From 03987ef3d1ed9c2d604561a69db169cd535014b6 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期六, 25 七月 2020 16:17:04 +0800
Subject: [PATCH] commit
---
src/socket/dgram_mod_socket.c | 120 +++++++++++++++++++++++++++++++++++++++--------------------
1 files changed, 79 insertions(+), 41 deletions(-)
diff --git a/src/socket/dgram_mod_socket.c b/src/socket/dgram_mod_socket.c
index c5e5a28..4856204 100644
--- a/src/socket/dgram_mod_socket.c
+++ b/src/socket/dgram_mod_socket.c
@@ -13,8 +13,8 @@
#define TOPIC_LIDENTIFIER "{"
#define TOPIC_RIDENTIFIER "}"
-static int parse_pubsub_topic(char *str, size_t size, char **_action, char **_topic, size_t *head_len );
-void * run_accept_pubsub_request(void * _socket) ;
+
+static Logger logger = LoggerFactory::getLogger();
typedef struct dgram_mod_socket_t {
socket_mod_t mod;
@@ -24,6 +24,8 @@
std::map<std::string, std::set<int> *> *topic_sub_map;
} dgram_mod_socket_t;
+static int parse_pubsub_topic(char *str, size_t size, char **_action, char **_topic, size_t *head_len );
+void * run_pubsub_proxy(dgram_mod_socket_t * socket) ;
void *dgram_mod_open_socket() {
dgram_mod_socket_t * socket = (dgram_mod_socket_t *)calloc(1, sizeof(dgram_mod_socket_t));
@@ -96,7 +98,7 @@
int start_bus(void * _socket) {
dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
socket->topic_sub_map = new std::map<std::string, std::set<int> *>;
- run_accept_pubsub_request(_socket);
+ run_pubsub_proxy(socket);
// pthread_t tid;
// pthread_create(&tid, NULL, run_accept_sub_request, _socket);
return 0;
@@ -131,60 +133,96 @@
//==========================================================================================================================
-
-void * run_accept_pubsub_request(void * _socket) {
- // pthread_detach(pthread_self());
- dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
- int size;
- int port;
- char * action, *topic, *buf;
-
- size_t head_len;
- // void * send_buf;
- int send_port;
- struct timespec timeout = {1,0};
+/*
+ * 澶勭悊璁㈤槄
+*/
+void _proxy_sub(dgram_mod_socket_t *socket, char *topic, int port) {
std::map<std::string, std::set<int> *> *topic_sub_map = socket->topic_sub_map;
std::set<int> *subscripter_set;
std::map<std::string, std::set<int> *>::iterator map_iter;
std::set<int>::iterator set_iter;
+
+ if( (map_iter = topic_sub_map->find(topic) ) != topic_sub_map->end()) {
+ subscripter_set = map_iter->second;
+ } else {
+ subscripter_set = new std::set<int>;
+ topic_sub_map->insert({topic, subscripter_set});
+ }
+ subscripter_set->insert(port);
+}
+
+/*
+ * 澶勭悊鍙戝竷锛屼唬鐞嗚浆鍙�
+*/
+void _proxy_pub(dgram_mod_socket_t * socket, char *topic, size_t head_len, void *buf, size_t size, int port) {
+ std::map<std::string, std::set<int> *> *topic_sub_map = socket->topic_sub_map;
+ std::set<int> *subscripter_set;
+
+ std::map<std::string, std::set<int> *>::iterator map_iter;
+ std::set<int>::iterator set_iter;
+
+ std::vector<int> subscripter_to_del;
+ std::vector<int>::iterator vector_iter;
+
+ int send_port;
+ struct timespec timeout = {1,0};
+
+ if( (map_iter = topic_sub_map->find(topic) ) != topic_sub_map->end()) {
+ subscripter_set = map_iter->second;
+ for(set_iter = subscripter_set->begin(); set_iter != subscripter_set->end(); set_iter++) {
+ send_port = *set_iter;
+// printf("run_accept_sub_request send before %d \n", send_port);
+ if (shm_sendto(socket->shm_socket, buf+head_len, size-head_len, send_port, &timeout) !=0 ) {
+ //瀵规柟宸插叧闂殑杩炴帴鏀惧埌寰呭垹闄ら槦鍒楅噷銆傚鏋滅洿鎺ュ垹闄や細璁﹊ter鎸囬拡鍑虹幇閿欎贡
+ subscripter_to_del.push_back(send_port);
+ }
+// printf("run_accept_sub_request send after: %d \n", send_port);
+
+ }
+
+ // 鍒犻櫎宸插叧闂殑绔�
+ for(vector_iter = subscripter_to_del.begin(); vector_iter != subscripter_to_del.end(); vector_iter++) {
+ if((set_iter = subscripter_set->find(*vector_iter)) != subscripter_set->end()) {
+ subscripter_set->erase(set_iter);
+ printf("remove closed subscripter %d \n", send_port);
+ }
+ }
+ subscripter_to_del.clear();
+
+ }
+}
+
+void * run_pubsub_proxy(dgram_mod_socket_t * socket) {
+ // pthread_detach(pthread_self());
+ int size;
+ int port;
+ char * action, *topic, *topics, *buf;
+ size_t head_len;
+
+ const char *topic_delim = ",";
//printf("server receive before\n");
while(shm_recvfrom(socket->shm_socket, (void **)&buf, &size, &port) == 0) {
//printf("server recv after: %s \n", buf);
- if(parse_pubsub_topic(buf, size, &action, &topic, &head_len)) {
+ if(parse_pubsub_topic(buf, size, &action, &topics, &head_len)) {
if(strcmp(action, "sub") == 0) {
- if( (map_iter = topic_sub_map->find(topic) ) != topic_sub_map->end()) {
- subscripter_set = map_iter->second;
- } else {
- subscripter_set = new std::set<int>;
- topic_sub_map->insert({topic, subscripter_set});
- }
- subscripter_set->insert(port);
+ // 璁㈤槄鏀寔澶氫富棰樿闃�
+ topic = trim(strtok(topics, topic_delim), NULL);
+ while(topic) {
+ _proxy_sub(socket, topic, port);
+ topic = trim(strtok(NULL, topic_delim), NULL);
+ }
} else if(strcmp(action, "pub") == 0) {
- if( (map_iter = topic_sub_map->find(topic) ) != topic_sub_map->end()) {
- subscripter_set = map_iter->second;
- for(set_iter = subscripter_set->begin(); set_iter != subscripter_set->end(); set_iter++) {
- send_port = *set_iter;
- // send_buf = malloc(size-head_len);
- // memcpy(send_buf, buf+head_len, );
-printf("run_accept_sub_request send before %d \n", send_port);
- if (shm_sendto(socket->shm_socket, buf+head_len, size-head_len, send_port, &timeout) !=0 ) {
-printf("erase %d \n", send_port);
- subscripter_set->erase(set_iter);
- set_iter++;
- }
-printf("run_accept_sub_request send after: %d \n", send_port);
-
- }
- }
+ _proxy_pub(socket, topics, head_len, buf, size, port);
}
- free(buf);
+
free(action);
- free(topic);
+ free(topics);
} else {
err_msg(0, "incorrect format msg");
}
+ free(buf);
}
return NULL;
}
--
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