From 66e36f251a61c8b6722a90ecfb195e28c87dd99a Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期二, 28 七月 2020 17:52:57 +0800
Subject: [PATCH] dgram_mod_force_bind 注解
---
src/socket/dgram_mod_socket.c | 176 ++++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 121 insertions(+), 55 deletions(-)
diff --git a/src/socket/dgram_mod_socket.c b/src/socket/dgram_mod_socket.c
index c5e5a28..7e21fd2 100644
--- a/src/socket/dgram_mod_socket.c
+++ b/src/socket/dgram_mod_socket.c
@@ -13,17 +13,33 @@
#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) ;
+enum socket_mod_t
+{
+ PULL_PUSH = 1,
+ REQ_REP = 2,
+ PAIR = 3,
+ PUB_SUB = 4,
+ SURVEY = 5,
+ BUS = 6
+
+};
+
+static Logger logger = LoggerFactory::getLogger();
+#define BUS_MAP_KEY 1
+//typedef std::basic_string<char, std::char_traits<char>, SHM_STL_Allocator<char> > SHMString;
+typedef std::set<int, std::less<int>, SHM_STL_Allocator<int> > SHMKeySet;
+typedef std::map<SHMString, SHMKeySet *, std::less<SHMString>, SHM_STL_Allocator<std::pair<SHMString, SHMKeySet *> > > SHMTopicSubMap;
typedef struct dgram_mod_socket_t {
- socket_mod_t mod;
shm_socket_t *shm_socket;
+ socket_mod_t mod;
// pthread_t recv_thread;
// <涓婚锛� 璁㈤槄鑰�>
- std::map<std::string, std::set<int> *> *topic_sub_map;
+ SHMTopicSubMap *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));
@@ -35,19 +51,19 @@
int dgram_mod_close_socket(void * _socket) {
dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
- 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;
+ SHMTopicSubMap *topic_sub_map = socket->topic_sub_map;
+ SHMKeySet *subscripter_set;
+ SHMTopicSubMap::iterator map_iter;
if(topic_sub_map != NULL) {
for (map_iter = topic_sub_map->begin(); map_iter != topic_sub_map->end(); map_iter++) {
subscripter_set = map_iter->second;
delete subscripter_set;
}
- delete topic_sub_map;
+ topic_sub_map->clear();
+ mem_pool_free_by_key(BUS_MAP_KEY);
}
-
shm_close_socket(socket->shm_socket);
free(_socket);
}
@@ -56,6 +72,12 @@
int dgram_mod_bind(void * _socket, int port){
dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
return shm_socket_bind(socket->shm_socket, port);
+}
+
+
+int dgram_mod_force_bind(void * _socket, int port) {
+ dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
+ return shm_socket_force_bind(socket->shm_socket, port);
}
int dgram_mod_sendto(void *_socket, const void *buf, const int size, const int port) {
@@ -67,6 +89,9 @@
int dgram_mod_recvfrom(void *_socket, void **buf, int *size, int *port) {
dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
+ if(socket->mod == BUS) {
+ err_exit(0, "Can not use method recvfrom in a Bus");
+ }
// printf("dgram_mod_recvfrom before\n");
int rv = shm_recvfrom(socket->shm_socket, buf, size, port);
// printf("dgram_mod_recvfrom after\n");
@@ -83,7 +108,7 @@
-int dgram_mod_get_socket_port(void * _socket) {
+int dgram_mod_get_port(void * _socket) {
dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
return socket->shm_socket->port;
}
@@ -93,10 +118,12 @@
free(buf);
}
-int start_bus(void * _socket) {
+int dgram_mod_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);
+ socket->mod = BUS;
+ socket->topic_sub_map = mem_pool_attach<SHMTopicSubMap>(BUS_MAP_KEY);
+
+ run_pubsub_proxy(socket);
// pthread_t tid;
// pthread_create(&tid, NULL, run_accept_sub_request, _socket);
return 0;
@@ -106,7 +133,7 @@
/**
* @port 鎬荤嚎绔彛
*/
-int sub(void * _socket, void *topic, int size, int port) {
+int dgram_mod_sub(void * _socket, void *topic, int size, int port) {
dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
char buf[8192];
snprintf(buf, 8192, "%ssub%s%s%s%s", ACTION_LIDENTIFIER, ACTION_RIDENTIFIER, TOPIC_LIDENTIFIER, (char *)topic, TOPIC_RIDENTIFIER);
@@ -116,7 +143,7 @@
/**
* @port 鎬荤嚎绔彛
*/
-int pub(void * _socket, void *topic, int topic_size, void *content, int content_size, int port) {
+int dgram_mod_pub(void * _socket, void *topic, int topic_size, void *content, int content_size, int port) {
dgram_mod_socket_t * socket = (dgram_mod_socket_t *) _socket;
int head_len;
@@ -131,60 +158,99 @@
//==========================================================================================================================
+/*
+ * 澶勭悊璁㈤槄
+*/
+void _proxy_sub(dgram_mod_socket_t *socket, char *topic, int port) {
+ SHMTopicSubMap *topic_sub_map = socket->topic_sub_map;
+ SHMKeySet *subscripter_set;
-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;
+ SHMTopicSubMap::iterator map_iter;
+ SHMKeySet::iterator set_iter;
- size_t head_len;
- // void * send_buf;
+ if( (map_iter = topic_sub_map->find(topic) ) != topic_sub_map->end()) {
+ subscripter_set = map_iter->second;
+ } else {
+ void *set_ptr = mm_malloc(sizeof(SHMKeySet));
+ subscripter_set = new(set_ptr) SHMKeySet;
+ 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) {
+ SHMTopicSubMap *topic_sub_map = socket->topic_sub_map;
+ SHMKeySet *subscripter_set;
+
+ SHMTopicSubMap::iterator map_iter;
+ SHMKeySet::iterator set_iter;
+
+ std::vector<int> subscripter_to_del;
+ std::vector<int>::iterator vector_iter;
+
int send_port;
struct timespec timeout = {1,0};
- 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;
-//printf("server receive before\n");
+ 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("_proxy_pub 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);
+ } else {
+printf("_proxy_pub 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("run_pubsub_proxy 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)) {
+printf("run_pubsub_proxy server recv after: %s \n", buf);
+ 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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