From 8ec1d776751f62c43335d36c3427dc1ab2d84a61 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期六, 25 七月 2020 13:52:06 +0800
Subject: [PATCH] commit

---
 src/socket/shm_socket.c |  771 +++++++++++++++++++++++++++++-----------------------------
 1 files changed, 389 insertions(+), 382 deletions(-)

diff --git a/src/socket/shm_socket.c b/src/socket/shm_socket.c
index 185ecaf..9d54986 100644
--- a/src/socket/shm_socket.c
+++ b/src/socket/shm_socket.c
@@ -3,490 +3,497 @@
 #include "logger_factory.h"
 #include <map>
 
-
-
 static Logger logger = LoggerFactory::getLogger();
 
-void print_msg(char *head, shm_msg_t& msg) {
-	//err_msg(0, "%s: port=%d, type=%d\n", head, msg.port, msg.type);
+void print_msg(char *head, shm_msg_t &msg) {
+  // err_msg(0, "%s: port=%d, type=%d\n", head, msg.port, msg.type);
 }
 
-void * _server_run_msg_rev(void* _socket);
+void *_server_run_msg_rev(void *_socket);
 
-void * _client_run_msg_rev(void* _socket);
+void *_client_run_msg_rev(void *_socket);
 
 int _shm_close_dgram_socket(shm_socket_t *socket);
 
-
 int _shm_close_stream_socket(shm_socket_t *socket, bool notifyRemote);
 
-SHMQueue<shm_msg_t> * _attach_remote_queue(int port) ;
+SHMQueue<shm_msg_t> *_attach_remote_queue(int port);
 
 shm_socket_t *shm_open_socket(shm_socket_type_t socket_type) {
-	shm_socket_t *socket = (shm_socket_t *)calloc(1, sizeof(shm_socket_t));
-	socket->socket_type = socket_type;
-	socket->port = -1;
-	socket->dispatch_thread = 0;
-	socket->status=SHM_CONN_CLOSED;
-	
-	return socket;
+  shm_socket_t *socket = (shm_socket_t *)calloc(1, sizeof(shm_socket_t));
+  socket->socket_type = socket_type;
+  socket->port = -1;
+  socket->dispatch_thread = 0;
+  socket->status = SHM_CONN_CLOSED;
+
+  return socket;
 }
 
 int shm_close_socket(shm_socket_t *socket) {
-	switch(socket->socket_type) {
-		case 	SHM_SOCKET_STREAM:
-			return _shm_close_stream_socket(socket, true);
-		case SHM_SOCKET_DGRAM:
-			return _shm_close_dgram_socket(socket);
-		default:
-			return -1;
-	}
-	return -1;
-	
+  switch (socket->socket_type) {
+  case SHM_SOCKET_STREAM:
+    return _shm_close_stream_socket(socket, true);
+  case SHM_SOCKET_DGRAM:
+    return _shm_close_dgram_socket(socket);
+  default:
+    return -1;
+  }
+  return -1;
 }
 
-int shm_socket_bind(shm_socket_t * socket, int port) {
-	socket -> port = port;
-	return 0;
+int shm_socket_bind(shm_socket_t *socket, int port) {
+  socket->port = port;
+  return 0;
 }
 
-int shm_listen(shm_socket_t* socket) {
+int shm_listen(shm_socket_t *socket) {
 
-	if(socket->socket_type != SHM_SOCKET_STREAM) {
-		err_exit(0, "can not invoke shm_listen method with a socket which is not a SHM_SOCKET_STREAM socket");
-	}
+  if (socket->socket_type != SHM_SOCKET_STREAM) {
+    err_exit(0, "can not invoke shm_listen method with a socket which is not a "
+                "SHM_SOCKET_STREAM socket");
+  }
 
-	int  port;
-	hashtable_t *hashtable = mm_get_hashtable();
-	if(socket -> port == -1) {
-		port = hashtable_alloc_key(hashtable);
-		socket -> port = port;
-	} else {
-		 
-		if(hashtable_get(hashtable, socket->port)!= NULL) {
-			err_exit(0, "key %d has already been in used!", socket->port);
-		}
-	}
+  int port;
+  hashtable_t *hashtable = mm_get_hashtable();
+  if (socket->port == -1) {
+    port = hashtable_alloc_key(hashtable);
+    socket->port = port;
+  } else {
 
-	socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
-	socket->acceptQueue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16);
-	socket->clientSocketMap = new std::map<int, shm_socket_t* >;
-	socket->status = SHM_CONN_LISTEN;
-	pthread_create(&(socket->dispatch_thread), NULL, _server_run_msg_rev , (void *)socket);
+    if (hashtable_get(hashtable, socket->port) != NULL) {
+      err_exit(0, "key %d has already been in used!", socket->port);
+    }
+  }
 
-	
-	return 0;
+  socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
+  socket->acceptQueue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16);
+  socket->clientSocketMap = new std::map<int, shm_socket_t *>;
+  socket->status = SHM_CONN_LISTEN;
+  pthread_create(&(socket->dispatch_thread), NULL, _server_run_msg_rev,
+                 (void *)socket);
+
+  return 0;
 }
-
 
 /**
  * 鎺ュ彈瀹㈡埛绔缓绔嬫柊杩炴帴鐨勮姹�
  *
 */
-shm_socket_t* shm_accept(shm_socket_t* socket) {
-	if(socket->socket_type != SHM_SOCKET_STREAM) {
-		err_exit(0, "can not invoke shm_accept method with a socket which is not a SHM_SOCKET_STREAM socket");
-	}
-	hashtable_t *hashtable = mm_get_hashtable();
-	int client_port;
-	shm_socket_t *client_socket;
-	shm_msg_t src;
+shm_socket_t *shm_accept(shm_socket_t *socket) {
+  if (socket->socket_type != SHM_SOCKET_STREAM) {
+    err_exit(0, "can not invoke shm_accept method with a socket which is not a "
+                "SHM_SOCKET_STREAM socket");
+  }
+  hashtable_t *hashtable = mm_get_hashtable();
+  int client_port;
+  shm_socket_t *client_socket;
+  shm_msg_t src;
 
-	if (socket->acceptQueue->pop(src) ) {
+  if (socket->acceptQueue->pop(src)) {
 
-// print_msg("===accept:", src);
-		client_port = src.port;
-		// client_socket = (shm_socket_t *)malloc(sizeof(shm_socket_t));
-		client_socket = shm_open_socket(socket->socket_type);
-		client_socket->port = socket->port;
-		// client_socket->queue= socket->queue;
-		//鍒濆鍖栨秷鎭痲ueue
-		client_socket->messageQueue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16); 
-		//杩炴帴鍒板鏂筿ueue
-		client_socket->remoteQueue = _attach_remote_queue(client_port);
+    // print_msg("===accept:", src);
+    client_port = src.port;
+    // client_socket = (shm_socket_t *)malloc(sizeof(shm_socket_t));
+    client_socket = shm_open_socket(socket->socket_type);
+    client_socket->port = socket->port;
+    // client_socket->queue= socket->queue;
+    //鍒濆鍖栨秷鎭痲ueue
+    client_socket->messageQueue =
+        new LockFreeQueue<shm_msg_t, DM_Allocator>(16);
+    //杩炴帴鍒板鏂筿ueue
+    client_socket->remoteQueue = _attach_remote_queue(client_port);
 
-		socket->clientSocketMap->insert({client_port, client_socket});
+    socket->clientSocketMap->insert({client_port, client_socket});
 
-		/*
-         * shm_accept 鐢ㄦ埛鎵ц鐨勬柟娉� 涓巁server_run_msg_rev鍦ㄤ袱涓笉鍚岀殑闄愬埗宸ヤ綔,accept瑕佷繚璇佸湪瀹㈡埛鐨勫彂閫佹秷鎭箣鍓嶅畬鎴愯祫婧愮殑鍑嗗宸ヤ綔锛屼互閬垮厤鍑虹幇绔炴�侀棶棰�
-		*/
-		//鍙戦�乷pen_reply,鍥炲簲瀹㈡埛绔殑connect璇锋眰
-		struct timespec timeout = {1, 0};
-		shm_msg_t msg;
-		msg.port = socket->port;
-		msg.size = 0;
-		msg.type = SHM_SOCKET_OPEN_REPLY;
+    /*
+* shm_accept 鐢ㄦ埛鎵ц鐨勬柟娉�
+* 涓巁server_run_msg_rev鍦ㄤ袱涓笉鍚岀殑闄愬埗宸ヤ綔,accept瑕佷繚璇佸湪瀹㈡埛鐨勫彂閫佹秷鎭箣鍓嶅畬鎴愯祫婧愮殑鍑嗗宸ヤ綔锛屼互閬垮厤鍑虹幇绔炴�侀棶棰�
+    */
+    //鍙戦�乷pen_reply,鍥炲簲瀹㈡埛绔殑connect璇锋眰
+    struct timespec timeout = {1, 0};
+    shm_msg_t msg;
+    msg.port = socket->port;
+    msg.size = 0;
+    msg.type = SHM_SOCKET_OPEN_REPLY;
 
-		if (client_socket->remoteQueue->push_timeout(msg, &timeout) )
-		{
-			client_socket->status = SHM_CONN_ESTABLISHED;
-			return client_socket;
-		} else {
-			err_msg(0, "shm_accept: 鍙戦�乷pen_reply澶辫触");
-			return NULL;
-		}
+    if (client_socket->remoteQueue->push_timeout(msg, &timeout)) {
+      client_socket->status = SHM_CONN_ESTABLISHED;
+      return client_socket;
+    } else {
+      err_msg(0, "shm_accept: 鍙戦�乷pen_reply澶辫触");
+      return NULL;
+    }
 
-		
-	} else {
-		err_exit(errno, "shm_accept");
-	}
-	return NULL;
-	
+  } else {
+    err_exit(errno, "shm_accept");
+  }
+  return NULL;
 }
 
+int shm_connect(shm_socket_t *socket, int port) {
+  if (socket->socket_type != SHM_SOCKET_STREAM) {
+    err_exit(0, "can not invoke shm_connect method with a socket which is not "
+                "a SHM_SOCKET_STREAM socket");
+  }
+  hashtable_t *hashtable = mm_get_hashtable();
+  if (hashtable_get(hashtable, port) == NULL) {
+    err_exit(0, "shm_connect锛歝onnect at port %d  failed!", port);
+  }
 
-int shm_connect(shm_socket_t* socket, int port) {
-	if(socket->socket_type != SHM_SOCKET_STREAM) {
-		err_exit(0, "can not invoke shm_connect method with a socket which is not a SHM_SOCKET_STREAM socket");
-	}
-	hashtable_t *hashtable = mm_get_hashtable();
-	if(hashtable_get(hashtable, port)== NULL) {
-		err_exit(0, "shm_connect锛歝onnect at port %d  failed!", port);
-	}
+  if (socket->port == -1) {
+    socket->port = hashtable_alloc_key(hashtable);
+  } else {
 
-	if(socket->port == -1) {
-		socket->port = hashtable_alloc_key(hashtable);
-	} else {
-		 
-		if(hashtable_get(hashtable, socket->port)!= NULL) {
-			err_exit(0, "key %d has already been in used!", socket->port);
-		}
-	}
+    if (hashtable_get(hashtable, socket->port) != NULL) {
+      err_exit(0, "key %d has already been in used!", socket->port);
+    }
+  }
 
-	socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
-	socket->remoteQueue = _attach_remote_queue(port);
-	socket->messageQueue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16); 
-	
+  socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
 
-	//鍙戦�乷pen璇锋眰
-	struct timespec timeout = {1, 0};
-	shm_msg_t msg;
-	msg.port = socket->port;
-	msg.size = 0;
-	msg.type=SHM_SOCKET_OPEN;
-	socket->remoteQueue->push_timeout(msg, &timeout);
+  if ((socket->remoteQueue = _attach_remote_queue(port)) == NULL) {
+    err_exit(0, "connect to %d failted", port);
+  }
+  socket->messageQueue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16);
 
-	//鎺ュ彈open reply
-	if(socket->queue->pop(msg)) {
-		// 鍦ㄨ繖閲宻erver绔凡缁忓噯澶囧ソ鎺ュ彈瀹㈡埛绔彂閫佽姹備簡,瀹屾垚涓庢湇鍔$鐨勮繛鎺�
-		if(msg.type == SHM_SOCKET_OPEN_REPLY) {
-			socket->status = SHM_CONN_ESTABLISHED;
-			pthread_create(&(socket->dispatch_thread), NULL, _client_run_msg_rev , (void *)socket);
-		} else {
-			err_exit(0, "shm_connect: 涓嶅尮閰嶇殑搴旂瓟淇℃伅!");
-		}
-		
-	} else {
-		err_exit(0, "connect failted!");
-	}
-	
-	return 0;
+  //鍙戦�乷pen璇锋眰
+  struct timespec timeout = {1, 0};
+  shm_msg_t msg;
+  msg.port = socket->port;
+  msg.size = 0;
+  msg.type = SHM_SOCKET_OPEN;
+  socket->remoteQueue->push_timeout(msg, &timeout);
+
+  //鎺ュ彈open reply
+  if (socket->queue->pop(msg)) {
+    // 鍦ㄨ繖閲宻erver绔凡缁忓噯澶囧ソ鎺ュ彈瀹㈡埛绔彂閫佽姹備簡,瀹屾垚涓庢湇鍔$鐨勮繛鎺�
+    if (msg.type == SHM_SOCKET_OPEN_REPLY) {
+      socket->status = SHM_CONN_ESTABLISHED;
+      pthread_create(&(socket->dispatch_thread), NULL, _client_run_msg_rev,
+                     (void *)socket);
+    } else {
+      err_exit(0, "shm_connect: 涓嶅尮閰嶇殑搴旂瓟淇℃伅!");
+    }
+
+  } else {
+    err_exit(0, "connect failted!");
+  }
+
+  return 0;
 }
-
 
 int shm_send(shm_socket_t *socket, const void *buf, const int size) {
-	if(socket->socket_type != SHM_SOCKET_STREAM) {
-		err_exit(0, "can not invoke shm_send method with a socket which is not a SHM_SOCKET_STREAM socket");
-	}
-	// hashtable_t *hashtable = mm_get_hashtable();
-	// if(socket->remoteQueue == NULL) {
-	// 	err_msg(errno, "褰撳墠瀹㈡埛绔棤杩炴帴!");
-	// 	return -1;
-	// }
-	shm_msg_t dest;
-	dest.type=SHM_COMMON_MSG;
-	dest.port = socket->port;
-	dest.size = size;
-	dest.buf = mm_malloc(size);
-	memcpy(dest.buf, buf, size);
+  if (socket->socket_type != SHM_SOCKET_STREAM) {
+    err_exit(0, "can not invoke shm_send method with a socket which is not a "
+                "SHM_SOCKET_STREAM socket");
+  }
+  // hashtable_t *hashtable = mm_get_hashtable();
+  // if(socket->remoteQueue == NULL) {
+  // 	err_msg(errno, "褰撳墠瀹㈡埛绔棤杩炴帴!");
+  // 	return -1;
+  // }
+  shm_msg_t dest;
+  dest.type = SHM_COMMON_MSG;
+  dest.port = socket->port;
+  dest.size = size;
+  dest.buf = mm_malloc(size);
+  memcpy(dest.buf, buf, size);
 
- 
-	if(socket->remoteQueue->push(dest)) {
-		return 0;
-	} else {
-		err_msg(errno, "connection has been closed!");
-		return -1;
-	}
+  if (socket->remoteQueue->push(dest)) {
+    return 0;
+  } else {
+    err_msg(errno, "connection has been closed!");
+    return -1;
+  }
 }
 
+int shm_recv(shm_socket_t *socket, void **buf, int *size) {
+  if (socket->socket_type != SHM_SOCKET_STREAM) {
+    err_exit(0, "can not invoke shm_recv method in a %d type socket  which is "
+                "not a SHM_SOCKET_STREAM socket ",
+             socket->socket_type);
+  }
+  shm_msg_t src;
 
-int shm_recv(shm_socket_t* socket, void **buf, int *size) {
-	if(socket->socket_type != SHM_SOCKET_STREAM) {
-		err_exit(0, "can not invoke shm_recv method in a %d type socket  which is not a SHM_SOCKET_STREAM socket ", socket->socket_type);
-	}
-	shm_msg_t src;
-
-	if (socket->messageQueue->pop(src)) {
-		void * _buf = malloc(src.size);
-		memcpy(_buf, src.buf, src.size);
-		*buf = _buf;
-		*size = src.size;
-		mm_free(src.buf);
-		return 0;
-	} else {
-		return -1;
-	}
-	
+  if (socket->messageQueue->pop(src)) {
+    void *_buf = malloc(src.size);
+    memcpy(_buf, src.buf, src.size);
+    *buf = _buf;
+    *size = src.size;
+    mm_free(src.buf);
+    return 0;
+  } else {
+    return -1;
+  }
 }
-
-
 
 // 鐭繛鎺ユ柟寮忓彂閫�
-int shm_sendto(shm_socket_t *socket, const void *buf, const int size, const int port) {
-	if(socket->socket_type != SHM_SOCKET_DGRAM) {
-		err_exit(0, "Can't invoke shm_sendto method in a %d type socket  which is not a SHM_SOCKET_DGRAM socket ", socket->socket_type);
-	}
-	hashtable_t *hashtable = mm_get_hashtable();
+int shm_sendto(shm_socket_t *socket, const void *buf, const int size,
+               const int port, const struct timespec *timeout) {
+  if (socket->socket_type != SHM_SOCKET_DGRAM) {
+    err_exit(0, "Can't invoke shm_sendto method in a %d type socket  which is "
+                "not a SHM_SOCKET_DGRAM socket ",
+             socket->socket_type);
+  }
+  hashtable_t *hashtable = mm_get_hashtable();
 
-	if(socket->queue == NULL) {
-		if(socket->port == -1) {
-			socket->port = hashtable_alloc_key(hashtable);
-		} else {
-			 
-			if(hashtable_get(hashtable, socket->port)!= NULL) {
-				err_exit(0, "key %d has already been in used!", socket->port);
-			}
-		}
+  if (socket->queue == NULL) {
+    if (socket->port == -1) {
+      socket->port = hashtable_alloc_key(hashtable);
+    } else {
 
-		socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
-	}
-	if (port == socket->port) {
-		err_msg(0, "can not send to your self!");
-		return -1;
-	}
+      if (hashtable_get(hashtable, socket->port) != NULL) {
+        err_exit(0, "key %d has already been in used!", socket->port);
+      }
+    }
 
-	shm_msg_t dest;
-	dest.type=SHM_COMMON_MSG;
-	dest.port = socket->port;
-	dest.size = size;
-	dest.buf = mm_malloc(size);
-	memcpy(dest.buf, buf, size);
+    socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
+  }
+  if (port == socket->port) {
+    err_msg(0, "can not send to your self!");
+    return -1;
+  }
 
-	SHMQueue<shm_msg_t> *remoteQueue =  _attach_remote_queue(port);
-	if(remoteQueue->push(dest)) {
-		delete remoteQueue;
-		return 0;
-	} else {
-		delete remoteQueue;
-		err_msg(errno, "sendto port %d failed!", port);
-		return -1;
-	}
+  shm_msg_t dest;
+  dest.type = SHM_COMMON_MSG;
+  dest.port = socket->port;
+  dest.size = size;
+  dest.buf = mm_malloc(size);
+  memcpy(dest.buf, buf, size);
+
+  SHMQueue<shm_msg_t> *remoteQueue;
+  if ((remoteQueue = _attach_remote_queue(port)) == NULL) {
+  	err_msg(0, "shm_sendto failed, then other end has been closed!");
+    return -1;
+  }
+  // printf("shm_sendto push before\n");
+  bool rv;
+  if(timeout != NULL) {
+  	rv = remoteQueue->push_timeout(dest, timeout);
+  } else {
+  	rv = remoteQueue->push(dest);
+  }
+
+  if (rv) {
+    // printf("shm_sendto push after\n");
+    delete remoteQueue;
+    return 0;
+  } else {
+    delete remoteQueue;
+    err_msg(errno, "sendto port %d failed!", port);
+    return -1;
+  }
 }
-
 
 // 鐭繛鎺ユ柟寮忔帴鍙�
-int shm_recvfrom(shm_socket_t *socket, void **buf, int *size, int *port){
-	if(socket->socket_type != SHM_SOCKET_DGRAM) {
-		err_exit(0, "Can't invoke shm_recvfrom method in a %d type socket  which is not a SHM_SOCKET_DGRAM socket ", socket->socket_type);
-	}
-	hashtable_t *hashtable = mm_get_hashtable();
-	if(socket->queue == NULL) {
-		if(socket->port == -1) {
-			socket->port = hashtable_alloc_key(hashtable);
-		} else {
-			 
-			if(hashtable_get(hashtable, socket->port)!= NULL) {
-				err_exit(0, "key %d has already been in used!", socket->port);
-			}
-		}
+int shm_recvfrom(shm_socket_t *socket, void **buf, int *size, int *port) {
+  if (socket->socket_type != SHM_SOCKET_DGRAM) {
+    err_exit(0, "Can't invoke shm_recvfrom method in a %d type socket  which "
+                "is not a SHM_SOCKET_DGRAM socket ",
+             socket->socket_type);
+  }
+  hashtable_t *hashtable = mm_get_hashtable();
+  if (socket->queue == NULL) {
+    if (socket->port == -1) {
+      socket->port = hashtable_alloc_key(hashtable);
+    } else {
 
-		socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
-	}
+      if (hashtable_get(hashtable, socket->port) != NULL) {
+        err_exit(0, "key %d has already been in used!", socket->port);
+      }
+    }
 
-	shm_msg_t src;
-// printf("shm_recvfrom pop before");
-	if (socket->queue->pop(src)) {
-		void * _buf = malloc(src.size);
-		memcpy(_buf, src.buf, src.size);
-		*buf = _buf;
-		*size = src.size;
-		*port = src.port;
-		mm_free(src.buf);
-// printf("shm_recvfrom pop after");
-		return 0;
-	} else {
-		return -1;
-	}
+    socket->queue = new SHMQueue<shm_msg_t>(socket->port, 16);
+  }
+
+  shm_msg_t src;
+  // printf("shm_recvfrom pop before\n");
+  if (socket->queue->pop(src)) {
+    void *_buf = malloc(src.size);
+    memcpy(_buf, src.buf, src.size);
+    *buf = _buf;
+    *size = src.size;
+    *port = src.port;
+    mm_free(src.buf);
+    // printf("shm_recvfrom pop after\n");
+    return 0;
+  } else {
+    return -1;
+  }
 }
 
-int shm_sendandrecv(shm_socket_t *socket, const void *send_buf, const int send_size, const int send_port, void **recv_buf, int *recv_size) {
-	if(socket->socket_type != SHM_SOCKET_DGRAM) {
-		err_exit(0, "Can't invoke shm_sendandrecv method in a %d type socket  which is not a SHM_SOCKET_DGRAM socket ", socket->socket_type);
-	}
-	int recv_port;
-	int rv;
+int shm_sendandrecv(shm_socket_t *socket, const void *send_buf,
+                    const int send_size, const int send_port, void **recv_buf,
+                    int *recv_size) {
+  if (socket->socket_type != SHM_SOCKET_DGRAM) {
+    err_exit(0, "Can't invoke shm_sendandrecv method in a %d type socket  "
+                "which is not a SHM_SOCKET_DGRAM socket ",
+             socket->socket_type);
+  }
+  int recv_port;
+  int rv;
 
-	shm_socket_t *tmp_socket = shm_open_socket(SHM_SOCKET_DGRAM);
-	if (shm_sendto(tmp_socket, send_buf, send_size, send_port) == 0) {
-		rv = shm_recvfrom(tmp_socket, recv_buf, recv_size, &recv_port);
-		shm_close_socket(tmp_socket);
-		return rv;
-	}
-	return -1;
+  shm_socket_t *tmp_socket = shm_open_socket(SHM_SOCKET_DGRAM);
+  if (shm_sendto(tmp_socket, send_buf, send_size, send_port) == 0) {
+    rv = shm_recvfrom(tmp_socket, recv_buf, recv_size, &recv_port);
+    shm_close_socket(tmp_socket);
+    return rv;
+  }
+  return -1;
 }
-
 
 /**
  * 缁戝畾key鍒伴槦鍒楋紝浣嗘槸骞朵笉浼氬垱寤洪槦鍒椼�傚鏋滄病鏈夊搴旀寚瀹歬ey鐨勯槦鍒楁彁绀洪敊璇苟閫�鍑�
  */
-SHMQueue<shm_msg_t> * _attach_remote_queue(int port) {
-	hashtable_t *hashtable = mm_get_hashtable();
-	if(hashtable_get(hashtable, port)== NULL) {
-		err_exit(0, "_remote_queue_attach锛歝onnet at port %d  failed!", port);
-		return NULL;
-	}
-	 
-	SHMQueue<shm_msg_t> *queue = new SHMQueue<shm_msg_t>(port, 0);
-	return queue;
+SHMQueue<shm_msg_t> *_attach_remote_queue(int port) {
+  hashtable_t *hashtable = mm_get_hashtable();
+  if (hashtable_get(hashtable, port) == NULL) {
+    err_msg(0, "_remote_queue_attach锛歝onnet at port %d  failed!", port);
+    return NULL;
+  }
+
+  SHMQueue<shm_msg_t> *queue = new SHMQueue<shm_msg_t>(port, 0);
+  return queue;
 }
 
-
-
-
-
-void _server_close_conn_to_client(shm_socket_t* socket, int port) {
-	shm_socket_t *client_socket;
-	std::map<int, shm_socket_t* >::iterator iter = socket->clientSocketMap->find(port);
-	if( iter !=  socket->clientSocketMap->end() ) {
-		client_socket = iter->second;
-		free((void *)client_socket);
-		socket->clientSocketMap->erase(iter);
-	}
-	
-
+void _server_close_conn_to_client(shm_socket_t *socket, int port) {
+  shm_socket_t *client_socket;
+  std::map<int, shm_socket_t *>::iterator iter =
+      socket->clientSocketMap->find(port);
+  if (iter != socket->clientSocketMap->end()) {
+    client_socket = iter->second;
+    free((void *)client_socket);
+    socket->clientSocketMap->erase(iter);
+  }
 }
 
 /**
  * server绔悇绉嶇被鍨嬫秷鎭紙锛夊湪杩欓噷杩涚▼鍒嗘嫞
  */
-void * _server_run_msg_rev(void* _socket) {
-	pthread_detach(pthread_self());
-	shm_socket_t* socket = (shm_socket_t*) _socket;
-	struct timespec timeout = {1, 0};
-	shm_msg_t src;
-	shm_socket_t *client_socket;
-	std::map<int, shm_socket_t* >::iterator iter;
+void *_server_run_msg_rev(void *_socket) {
+  pthread_detach(pthread_self());
+  shm_socket_t *socket = (shm_socket_t *)_socket;
+  struct timespec timeout = {1, 0};
+  shm_msg_t src;
+  shm_socket_t *client_socket;
+  std::map<int, shm_socket_t *>::iterator iter;
 
-    while(socket->queue->pop(src)) {
+  while (socket->queue->pop(src)) {
 
-    	switch (src.type) {
-			case SHM_SOCKET_OPEN : 
-				socket->acceptQueue->push_timeout(src, &timeout);
-				break;
-			case SHM_SOCKET_CLOSE :
-				_server_close_conn_to_client(socket, src.port);
-				break;
-			case SHM_COMMON_MSG :
+    switch (src.type) {
+    case SHM_SOCKET_OPEN:
+      socket->acceptQueue->push_timeout(src, &timeout);
+      break;
+    case SHM_SOCKET_CLOSE:
+      _server_close_conn_to_client(socket, src.port);
+      break;
+    case SHM_COMMON_MSG:
 
-				iter = socket->clientSocketMap->find(src.port);
-				if( iter !=  socket->clientSocketMap->end()) {
-					client_socket= iter->second;
-	// print_msg("_server_run_msg_rev push before", src);
-					client_socket->messageQueue->push_timeout(src, &timeout);
-	// print_msg("_server_run_msg_rev push after", src);
-				}
-				
-				break;
+      iter = socket->clientSocketMap->find(src.port);
+      if (iter != socket->clientSocketMap->end()) {
+        client_socket = iter->second;
+        // print_msg("_server_run_msg_rev push before", src);
+        client_socket->messageQueue->push_timeout(src, &timeout);
+        // print_msg("_server_run_msg_rev push after", src);
+      }
 
-			default:
-				err_msg(0, "socket.__shm_rev__: undefined message type.");
-		}
+      break;
+
+    default:
+      err_msg(0, "socket.__shm_rev__: undefined message type.");
     }
- 
-	return NULL;
+  }
+
+  return NULL;
 }
 
+void _client_close_conn_to_server(shm_socket_t *socket) {
 
-
-void _client_close_conn_to_server(shm_socket_t* socket) {
-	 
-	_shm_close_stream_socket(socket, false);
+  _shm_close_stream_socket(socket, false);
 }
-
 
 /**
  * client绔殑鍚勭绫诲瀷娑堟伅锛堬級鍦ㄨ繖閲岃繘绋嬪垎鎷�
  */
-void * _client_run_msg_rev(void* _socket) {
-	pthread_detach(pthread_self());
-	shm_socket_t* socket = (shm_socket_t*) _socket;
-	struct timespec timeout = {1, 0};
-	shm_msg_t src;
-	
-    while(socket->queue->pop(src)) {
-    	switch (src.type) {
-			 
-			case SHM_SOCKET_CLOSE :
-				_client_close_conn_to_server(socket);
-				break;
-			case SHM_COMMON_MSG :
-				socket->messageQueue->push_timeout(src, &timeout);
-				break;
-			default:
-				err_msg(0, "socket.__shm_rev__: undefined message type.");
-		}
+void *_client_run_msg_rev(void *_socket) {
+  pthread_detach(pthread_self());
+  shm_socket_t *socket = (shm_socket_t *)_socket;
+  struct timespec timeout = {1, 0};
+  shm_msg_t src;
+
+  while (socket->queue->pop(src)) {
+    switch (src.type) {
+
+    case SHM_SOCKET_CLOSE:
+      _client_close_conn_to_server(socket);
+      break;
+    case SHM_COMMON_MSG:
+      socket->messageQueue->push_timeout(src, &timeout);
+      break;
+    default:
+      err_msg(0, "socket.__shm_rev__: undefined message type.");
     }
- 
-	return NULL;
+  }
+
+  return NULL;
 }
 
-
 int _shm_close_stream_socket(shm_socket_t *socket, bool notifyRemote) {
-	socket->status = SHM_CONN_CLOSED;
-	//缁欏鏂瑰彂閫佷竴涓叧闂繛鎺ョ殑娑堟伅
-	struct timespec timeout = {1, 0};
-	shm_msg_t close_msg;
+  socket->status = SHM_CONN_CLOSED;
+  //缁欏鏂瑰彂閫佷竴涓叧闂繛鎺ョ殑娑堟伅
+  struct timespec timeout = {1, 0};
+  shm_msg_t close_msg;
 
-	close_msg.port = socket->port;
-	close_msg.size = 0;
-	close_msg.type=SHM_SOCKET_CLOSE;
-	if(notifyRemote && socket->remoteQueue != NULL) {
-		socket->remoteQueue->push_timeout(close_msg, &timeout);
-	}
-	
-	if(socket->queue != NULL) {
-		delete socket->queue;
-		socket->queue = NULL;
-	}
+  close_msg.port = socket->port;
+  close_msg.size = 0;
+  close_msg.type = SHM_SOCKET_CLOSE;
+  if (notifyRemote && socket->remoteQueue != NULL) {
+    socket->remoteQueue->push_timeout(close_msg, &timeout);
+  }
 
-	if(socket->remoteQueue != NULL) {
-		delete socket->remoteQueue;
-		socket->remoteQueue = NULL;
-	}
+  if (socket->queue != NULL) {
+    delete socket->queue;
+    socket->queue = NULL;
+  }
 
-	if(socket->messageQueue != NULL) {
-		delete socket->messageQueue;
-		socket->messageQueue = NULL;
-	}
+  if (socket->remoteQueue != NULL) {
+    delete socket->remoteQueue;
+    socket->remoteQueue = NULL;
+  }
 
-	if(socket->acceptQueue != NULL) {
-		delete socket->acceptQueue;
-		socket->acceptQueue = NULL;
-	}
+  if (socket->messageQueue != NULL) {
+    delete socket->messageQueue;
+    socket->messageQueue = NULL;
+  }
 
-	if(socket->clientSocketMap != NULL) {
-		shm_socket_t *client_socket;
-		for(auto iter = socket->clientSocketMap->begin(); iter != socket->clientSocketMap->end(); iter++) {
-			client_socket= iter->second;
+  if (socket->acceptQueue != NULL) {
+    delete socket->acceptQueue;
+    socket->acceptQueue = NULL;
+  }
 
-			client_socket->remoteQueue->push_timeout(close_msg, &timeout);
-			delete client_socket->remoteQueue;
-			client_socket->remoteQueue=NULL;
+  if (socket->clientSocketMap != NULL) {
+    shm_socket_t *client_socket;
+    for (auto iter = socket->clientSocketMap->begin();
+         iter != socket->clientSocketMap->end(); iter++) {
+      client_socket = iter->second;
 
-			delete client_socket->messageQueue;
-			client_socket->messageQueue=NULL;
-			socket->clientSocketMap->erase(iter);
-			free((void *)client_socket);
-		}
-		delete socket->clientSocketMap;
-	}
+      client_socket->remoteQueue->push_timeout(close_msg, &timeout);
+      delete client_socket->remoteQueue;
+      client_socket->remoteQueue = NULL;
 
+      delete client_socket->messageQueue;
+      client_socket->messageQueue = NULL;
+      socket->clientSocketMap->erase(iter);
+      free((void *)client_socket);
+    }
+    delete socket->clientSocketMap;
+  }
 
-	if(socket->dispatch_thread != 0)
-		pthread_cancel(socket->dispatch_thread);
-	 
-	free(socket);
-	return 0;
+  if (socket->dispatch_thread != 0)
+    pthread_cancel(socket->dispatch_thread);
+
+  free(socket);
+  return 0;
 
 }
 

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