From 4892aa7927086988e96918293272693a65d049b7 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期四, 16 七月 2020 18:31:03 +0800
Subject: [PATCH] update

---
 queue/libshm_queue.a   |    0 
 test/Makefile          |    2 
 test/communication.c   |   73 +++++++++
 queue/include/socket.h |   57 ++++++-
 queue/socket.c.bk      |    0 
 queue/socket.c         |  327 ++++++++++++++++++++++++++++++++++++++++
 test/communication     |    0 
 7 files changed, 449 insertions(+), 10 deletions(-)

diff --git a/queue/include/socket.h b/queue/include/socket.h
index b19a7b4..f51c021 100644
--- a/queue/include/socket.h
+++ b/queue/include/socket.h
@@ -1,7 +1,14 @@
-#ifndef __BASIC_SHM_SOCKET_H__
-#define __BASIC_SHM_SOCKET_H__
+#ifndef __SHM_SOCKET_H__
+#define __SHM_SOCKET_H__
 
 #include "usg_common.h"
+#include "usg_typedef.h"
+#include "shm_queue.h"
+#include "shm_allocator.h"
+
+#include "mem_pool.h"
+#include "hashtable.h"
+#include "sem_util.h"
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -16,6 +23,36 @@
 	BUS = 6
 	
 };
+
+
+enum shm_msg_type_t
+{
+	SHM_SOCKET_OPEN = 1,
+	SHM_SOCKET_CLOSE = 2,
+	SHM_COMMON_MSG = 3
+	
+};
+
+typedef struct shm_msg_t {
+	int port;
+	shm_msg_type_t type;
+	size_t size;
+	void * buf;
+
+} shm_msg_t;
+
+
+typedef struct shm_socket_t {
+	// 鏈湴port
+	int port;
+	SHMQueue<shm_msg_t> *queue;
+	SHMQueue<shm_msg_t> *remoteQueue;
+	LockFreeQueue<shm_msg_t, DM_Allocator> *messageQueue;
+	LockFreeQueue<shm_msg_t, DM_Allocator> *acceptQueue;
+	std::map<int, shm_socket_t* > *clientSocketMap;
+	pthread_t dispatch_thread;
+
+} shm_socket_t;
 
 
 /**
@@ -36,21 +73,23 @@
  */
 void shm_free(void *buf);
 
-void *shm_open_socket(int mod);
+shm_socket_t *shm_open_socket();
 
 
-int shm_close_socket(void *socket) ;
+int shm_close_socket(shm_socket_t * socket) ;
 
 
-int shm_bind(void* socket, int port) ;
+int shm_bind(shm_socket_t * socket, int port) ;
 
-int shm_listen(void* socket) ;
+int shm_listen(shm_socket_t * socket) ;
 
-int shm_connect(void* socket, int port);
+shm_socket_t* shm_accept(shm_socket_t* socket);
 
-int shm_send(void *socket, void *buf, int size) ;
+int shm_connect(shm_socket_t * socket, int port);
 
-int shm_recv(void* socket, void **buf, int *size) ;
+int shm_send(shm_socket_t * socket, void *buf, int size) ;
+
+int shm_recv(shm_socket_t * socket, void **buf, int *size) ;
 
 
 
diff --git a/queue/libshm_queue.a b/queue/libshm_queue.a
index 3fe8324..65416b5 100644
--- a/queue/libshm_queue.a
+++ b/queue/libshm_queue.a
Binary files differ
diff --git a/queue/socket.c b/queue/socket.c
new file mode 100644
index 0000000..1f3ff24
--- /dev/null
+++ b/queue/socket.c
@@ -0,0 +1,327 @@
+
+#include "socket.h"
+#include <map>
+
+
+
+
+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 * _client_run_msg_rev(void* _socket);
+
+SHMQueue<shm_msg_t> * _attach_remote_queue(int port) ;
+
+void shm_init(int size) {
+	mem_pool_init(size);
+}
+
+void shm_destroy() {
+	mem_pool_destroy();
+}
+
+void shm_free(void *buf) {
+	free(buf);
+}
+
+shm_socket_t *shm_open_socket() {
+	shm_socket_t *socket = (shm_socket_t *)calloc(1, sizeof(shm_socket_t));
+	
+	socket->port = -1;
+	socket->dispatch_thread = 0;
+	
+	return socket;
+}
+
+
+int shm_close_socket(shm_socket_t *socket) {
+	//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(socket->remoteQueue != NULL) {
+		socket->remoteQueue->push_timeout(close_msg, &timeout);
+	}
+	
+
+
+	if(socket->queue != NULL)
+		delete socket->queue;
+	if(socket->remoteQueue != NULL)
+		delete socket->remoteQueue;
+
+	if(socket->messageQueue != NULL)
+		delete socket->messageQueue;
+
+	if(socket->acceptQueue != NULL)
+		delete socket->acceptQueue;
+
+	if(socket->clientSocketMap != NULL) {
+		shm_socket_t *client_socket;
+		for(auto iter = socket->clientSocketMap->begin(); iter != socket->clientSocketMap->end(); iter++) {
+			client_socket= iter->second;
+
+			client_socket->remoteQueue->push_timeout(close_msg, &timeout);
+			delete client_socket->remoteQueue;
+			delete client_socket->messageQueue;
+			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;
+
+}
+
+
+int shm_bind(shm_socket_t * socket, int port) {
+	shm_socket_t * _socket = (shm_socket_t *) socket;
+	_socket -> port = port;
+	return 0;
+}
+
+int shm_listen(shm_socket_t* 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);
+		}
+	}
+
+	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* >;
+	
+	pthread_create(&(socket->dispatch_thread), NULL, _server_run_msg_rev , (void *)socket);
+
+	return 0;
+}
+
+void _server_close_conn_to_client(shm_socket_t* socket, int port) {
+	shm_socket_t *client_socket;
+	auto iter = socket->clientSocketMap->find(port);
+	if( iter !=  socket->clientSocketMap->end() ) {
+		client_socket= iter->second;
+		delete client_socket->remoteQueue;
+		delete client_socket->messageQueue;
+		socket->clientSocketMap->erase(iter);
+	}
+	free((void *)client_socket);
+
+}
+
+/**
+ * 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;
+    while(socket->queue->pop(src)) {
+print_msg("=====_server_run_msg_rev:", 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 :
+err_msg(0, "===_server_run_msg_rev 1");				
+				iter = socket->clientSocketMap->find(src.port);
+				if( iter !=  socket->clientSocketMap->end()) {
+					client_socket= iter->second;
+err_msg(0, "===_server_run_msg_rev client_socket->messageQueue=%p", client_socket->messageQueue);	
+					client_socket->messageQueue->push_timeout(src, &timeout);
+				}
+				
+				break;
+
+			default:
+				err_msg(0, "socket.__shm_rev__: undefined message type.");
+		}
+    }
+ 
+	return NULL;
+}
+
+
+
+
+
+shm_socket_t* shm_accept(shm_socket_t* socket) {
+	hashtable_t *hashtable = mm_get_hashtable();
+	int client_port;
+	shm_socket_t *client_socket;
+	shm_msg_t 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->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});
+
+		return client_socket;
+	} else {
+		err_exit(errno, "shm_accept");
+	}
+	
+}
+
+
+int shm_connect(shm_socket_t* socket, int port) {
+	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(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 = new SHMQueue<shm_msg_t>(port, 0);
+	socket->messageQueue = new LockFreeQueue<shm_msg_t, DM_Allocator>(16); 
+	struct timespec timeout = {1, 0};
+
+	shm_msg_t open_msg;
+	open_msg.port = socket->port;
+	open_msg.size = 0;
+	open_msg.type=SHM_SOCKET_OPEN;
+	socket->remoteQueue->push_timeout(open_msg, &timeout);
+
+	pthread_create(&(socket->dispatch_thread), NULL, _client_run_msg_rev , (void *)socket);
+	return 0;
+}
+
+void _client_close_conn_to_server(shm_socket_t* socket) {
+	if(socket->queue != NULL)
+		delete socket->queue;
+	if(socket->remoteQueue != NULL)
+		delete socket->remoteQueue;
+
+	if(socket->messageQueue != NULL)
+		delete socket->messageQueue;
+
+	if(socket->acceptQueue != NULL)
+		delete socket->acceptQueue;
+
+	if(socket->dispatch_thread != 0)
+		pthread_cancel(socket->dispatch_thread);
+
+}
+
+
+/**
+ * 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.");
+		}
+    }
+ 
+	return NULL;
+}
+
+
+
+ 
+
+int shm_send(shm_socket_t *socket, void *buf, int size) {
+	// hashtable_t *hashtable = mm_get_hashtable();
+	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->remoteQueue->push(dest);
+	return 0;
+}
+
+int shm_recv(shm_socket_t* socket, void **buf, int *size) {
+	shm_msg_t src;
+err_msg(0, "====shm_recv socket ==%p", socket);
+	bool rv = socket->messageQueue->pop(src);
+	if (rv) {
+		void * _buf = malloc(src.size);
+		memcpy(_buf, src.buf, src.size);
+		*buf = _buf;
+		*size = src.size;
+		mm_free(src.buf);
+	}
+	
+	return 0;
+	
+}
+
+
+/**
+ * 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;
+}
+
+
+
+
+
+ 
+
diff --git a/queue/socket.cb b/queue/socket.c.bk
similarity index 100%
rename from queue/socket.cb
rename to queue/socket.c.bk
diff --git a/test/Makefile b/test/Makefile
index b48f536..eee9f77 100755
--- a/test/Makefile
+++ b/test/Makefile
@@ -14,7 +14,7 @@
 include $(ROOT)/Make.defines.$(PLATFORM)
 
  
-PROGS =	test_queue single_productor single_consumer multiple_queue_productor multiple_queue_consumer test_timeout test_lostdata test_lockfree_queue
+PROGS = communication
 
 
 build: $(PROGS)
diff --git a/test/communication b/test/communication
new file mode 100755
index 0000000..ca89adb
--- /dev/null
+++ b/test/communication
Binary files differ
diff --git a/test/communication.c b/test/communication.c
new file mode 100644
index 0000000..a314dcb
--- /dev/null
+++ b/test/communication.c
@@ -0,0 +1,73 @@
+#include "socket.h"
+
+
+void * precess_client(void *_socket) {
+	pthread_detach(pthread_self());
+	shm_socket_t *socket = (shm_socket_t *)_socket;
+	int size;
+	void *recvbuf;
+	char sendbuf[512];
+	while(true) {
+		shm_recv(socket, &recvbuf, &size);
+		sprintf(sendbuf, "SERVER RECEIVED: %s", recvbuf);
+		puts(sendbuf);
+		shm_send(socket, sendbuf, strlen(sendbuf)+1) ;
+		shm_free(recvbuf);
+
+	}
+	shm_close_socket(socket);
+}
+
+void server(int port) {
+	pthread_t tid;
+	shm_socket_t *socket = shm_open_socket();
+	shm_bind(socket, port);
+	shm_listen(socket);
+	shm_socket_t *client_socket;
+	while(true) {
+		client_socket = shm_accept(socket);
+printf("server messageQueue = %p\n", client_socket->messageQueue);
+		pthread_create(&tid, NULL, precess_client , (void *)client_socket);
+	}
+
+	
+}
+
+void client(int port) {
+	shm_socket_t *socket = shm_open_socket();
+	shm_connect(socket, port);
+	int size;
+	void *recvbuf;
+	char sendbuf[512];
+	while(true) {
+		printf("request: ");
+		scanf("%s", sendbuf);
+		shm_send(socket, sendbuf, strlen(sendbuf)+1) ;
+		shm_recv(socket, &recvbuf, &size);
+		printf("reply: %s\n", (char *)recvbuf);
+		shm_free(recvbuf);
+
+	}
+	shm_close_socket(socket);
+}
+
+int main(int argc, char *argv[]) {
+  shm_init(512);
+  int port;
+  if (argc < 3) {
+  	 fprintf(stderr, "Usage: reqrep %s|%s <PORT> ...\n", "server", "client");
+  	 return 1;
+  }
+
+  port = atoi(argv[2]);
+
+  if (strcmp("server", argv[1]) == 0 ) {
+     server(port);
+  }
+
+  if (strcmp("client", argv[1]) == 0)
+     client(port);
+ shm_destroy();
+ // fprintf(stderr, "Usage: reqrep %s|%s <URL> ...\n", "server", "client");
+  return 0;
+}
\ No newline at end of file

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