コード例 #1
0
int main() {
	//用于丢包率的随机数种子
	srand(time(NULL));

	//启动重叠网络层并获取重叠网络层TCP套接字描述符
	int son_conn = son_start();
	if(son_conn<0) {
		printf("can not start overlay network\n");
	}

	//初始化STCP服务器
	stcp_server_init(son_conn);

	//在端口SERVERPORT1上创建STCP服务器套接字 
	int sockfd= stcp_server_sock(SERVERPORT1);
	if(sockfd<0) {
		printf("can't create stcp server\n");
		exit(1);
	}
	//监听并接受来自STCP客户端的连接 
	stcp_server_accept(sockfd);

	//在端口SERVERPORT2上创建另一个STCP服务器套接字
	int sockfd2= stcp_server_sock(SERVERPORT2);
	if(sockfd2<0) {
		printf("can't create stcp server\n");
		exit(1);
	}
	//监听并接受来自STCP客户端的连接 
	stcp_server_accept(sockfd2);

	char buf1[6];
	char buf2[7];
	int i;
	//接收来自第一个连接的字符串
	for(i=0;i<5;i++) {
		stcp_server_recv(sockfd,buf1,6);
		printf("recv string: %s from connection 1\n",buf1);
	}
	//接收来自第二个连接的字符串
	for(i=0;i<5;i++) {
		stcp_server_recv(sockfd2,buf2,7);
		printf("recv string: %s from connection 2\n",buf2);
	}

	//sleep(WAITTIME);

	//关闭STCP服务器 
	if(stcp_server_close(sockfd)<0) {
		printf("can't destroy stcp server\n");
		exit(1);
	}				
	if(stcp_server_close(sockfd2)<0) {
		printf("can't destroy stcp server\n");
		exit(1);
	}				

	//停止重叠网络层
	son_stop(son_conn);
}
コード例 #2
0
int main() {
	//用于丢包率的随机数种子
	srand(time(NULL));

	//启动重叠网络层并获取重叠网络层TCP套接字描述符	
	int son_conn = son_start();
	if(son_conn<0) {
		printf("fail to start overlay network\n");
		exit(1);
	}

	//初始化stcp客户端
	stcp_client_init(son_conn);

	//在端口87上创建STCP客户端套接字, 并连接到STCP服务器端口88.
	int sockfd = stcp_client_sock(CLIENTPORT1);
	if(sockfd<0) {
		printf("fail to create stcp client sock");
		exit(1);
	}
	if(stcp_client_connect(sockfd,SERVERPORT1)<0) {
		printf("fail to connect to stcp server\n");
		exit(1);
	}
	printf("client connected to server, client port:%d, server port %d\n",CLIENTPORT1,SERVERPORT1);
	
	//获取sendthis.txt文件长度, 创建缓冲区并读取文件中的数据.
	FILE *f;
	f = fopen("sendthis.txt","r");
	assert(f!=NULL);
	fseek(f,0,SEEK_END);
	int fileLen = ftell(f);
	fseek(f,0,SEEK_SET);
	char *buffer = (char*)malloc(fileLen);
	fread(buffer,fileLen,1,f);
	fclose(f);

	//首先发送文件长度, 然后发送整个文件.
	stcp_client_send(sockfd,&fileLen,sizeof(int));
    stcp_client_send(sockfd, buffer, fileLen);
	free(buffer);

	//等待一段时间, 然后关闭连接.
	sleep(WAITTIME);

	if(stcp_client_disconnect(sockfd)<0) {
		printf("fail to disconnect from stcp server\n");
		exit(1);
	}
	if(stcp_client_close(sockfd)<0) {
		printf("fail to close stcp client\n");
		exit(1);
	}
	
	//停止重叠网络层
	son_stop(son_conn);
}
コード例 #3
0
ファイル: app_stress_server.c プロジェクト: ITanCh/netlab-NJU
int main() {
	//用于丢包率的随机数种子
	srand(time(NULL));

	//启动重叠网络层并获取重叠网络层TCP套接字描述符
	int son_conn = son_start();
	if(son_conn<0) {
		printf("can not start overlay network\n");
	}

	//初始化STCP服务器
	stcp_server_init(son_conn);

	//在端口SERVERPORT1上创建STCP服务器套接字 
	int sockfd= stcp_server_sock(SERVERPORT1);
	if(sockfd<0) {
		printf("can't create stcp server\n");
		exit(1);
	}
	//监听并接受来自STCP客户端的连接 
	stcp_server_accept(sockfd);

	//首先接收文件长度, 然后接收文件数据 
	int fileLen;
	stcp_server_recv(sockfd,&fileLen,sizeof(int));
	printf("get file length: %d\n",fileLen);
	char* buf = (char*) malloc(fileLen);
	stcp_server_recv(sockfd,buf,fileLen);
	//int i=0;
	/*for(;i<fileLen;i++)
	{
		printf("%c",buf[i]);
	}*/
	//将接收到的文件数据保存到文件receivedtext.txt中
	FILE* f;
	f = fopen("receivedtext.txt","w");
	fwrite(buf,fileLen,1,f);
	fclose(f);
	free(buf);

	sleep(WAITTIME);

	//关闭STCP服务器 
	if(stcp_server_close(sockfd)<0) {
		printf("can't destroy stcp server\n");
		exit(1);
	}				

	//停止重叠网络层
	son_stop(son_conn);
}
コード例 #4
0
ファイル: app_server.c プロジェクト: qiufengyu/CodeWarehouse
int main() {
	//用于丢包率的随机数种子
	srand(time(NULL));

	//启动重叠网络层并获取重叠网络层TCP套接字描述符
	int son_conn = son_start();
	if(son_conn<0) {
		printf("can not start overlay network\n");
	}

	//初始化STCP服务器
	stcp_server_init(son_conn);
	
	//在端口SERVERPORT1上创建STCP服务器套接字 
	int sockfd= stcp_server_sock(SERVERPORT1);
	if(sockfd<0) {
		printf("can't create stcp server\n");
		exit(1);
	}
	//监听并接受来自STCP客户端的连接 
	stcp_server_accept(sockfd);

	//在端口SERVERPORT2上创建另一个STCP服务器套接字
	int sockfd2= stcp_server_sock(SERVERPORT2);
	if(sockfd2<0) {
		printf("can't create stcp server\n");
		exit(1);
	}
	//监听并接受来自STCP客户端的连接 
	stcp_server_accept(sockfd2);

	sleep(WAITTIME);

	//关闭STCP服务器 
	if(stcp_server_close(sockfd)<0) {
		printf("can't destroy stcp server\n");
		exit(1);
	}				
	if(stcp_server_close(sockfd2)<0) {
		printf("can't destroy stcp server\n");
		exit(1);
	}				

	//停止重叠网络层
	son_stop(son_conn);
}
コード例 #5
0
ファイル: app_client.c プロジェクト: RacoonBattle/DartNet-1
int main() {
	//用于丢包率的随机数种子
	srand(time(NULL));

	//启动重叠网络层并获取重叠网络层TCP套接字描述符	
	int son_conn = son_start();
	if(son_conn<0) {
		printf("fail to start overlay network\n");
		exit(1);
	}

	//初始化stcp客户端, 传递TCP套接字描述符给STCP层, STCP将该套接字作为一个全局变量维护
	stcp_client_init(son_conn);

	//在端口87上创建STCP客户端套接字, 并连接到STCP服务器端口88
	int sockfd = stcp_client_sock(CLIENTPORT1);
	if(sockfd<0) {
		printf("fail to create stcp client sock");
		exit(1);
	}
	if(stcp_client_connect(sockfd,SERVERPORT1)<0) {
		printf("fail to connect to stcp server\n");
		exit(1);
	}
	printf("client connect to server, client port:%d, server port %d\n",CLIENTPORT1,SERVERPORT1);
	
	//在端口89上创建STCP客户端套接字, 并连接到STCP服务器端口90
	int sockfd2 = stcp_client_sock(CLIENTPORT2);
	if(sockfd2<0) {
		printf("fail to create stcp client sock");
		exit(1);
	}
	if(stcp_client_connect(sockfd2,SERVERPORT2)<0) {
		printf("fail to connect to stcp server\n");
		exit(1);
	}
	printf("client connect to server, client port:%d, server port %d\n",CLIENTPORT2, SERVERPORT2);

	//等待一段时间, 然后关闭连接
	sleep(WAITTIME);

	if(stcp_client_disconnect(sockfd)<0) {
		printf("fail to disconnect from stcp server\n");
		exit(1);
	}
	if(stcp_client_close(sockfd)<0) {
		printf("failt to close stcp client\n");
		exit(1);
	}
	
	if(stcp_client_disconnect(sockfd2)<0) {
		printf("fail to disconnect from stcp server\n");
		exit(1);
	}
	if(stcp_client_close(sockfd2)<0) {
		printf("failt to close stcp client\n");
		exit(1);
	}

	//停止重叠网络层
	son_stop(son_conn);
}
コード例 #6
0
int main() {
	//用于丢包率的随机数种子
	srand(time(NULL));

	//启动重叠网络层并获取重叠网络层TCP套接字描述符	
	int son_conn = son_start();
	if(son_conn<0) {
		printf("fail to start overlay network\n");
		exit(1);
	}

	//初始化stcp客户端
	stcp_client_init(son_conn);

	//在端口87上创建STCP客户端套接字, 并连接到STCP服务器端口88
	int sockfd = stcp_client_sock(CLIENTPORT1);
	if(sockfd<0) {
		printf("fail to create stcp client sock");
		exit(1);
	}
	if(stcp_client_connect(sockfd,SERVERPORT1)<0) {
		printf("fail to connect to stcp server\n");
		exit(1);
	}
	printf("client connected to server, client port:%d, server port %d\n",CLIENTPORT1,SERVERPORT1);
	
	//在端口89上创建STCP客户端套接字, 并连接到STCP服务器端口90
	int sockfd2 = stcp_client_sock(CLIENTPORT2);
	if(sockfd2<0) {
		printf("fail to create stcp client sock");
		exit(1);
	}
	if(stcp_client_connect(sockfd2,SERVERPORT2)<0) {
		printf("fail to connect to stcp server\n");
		exit(1);
	}
	printf("client connected to server, client port:%d, server port %d\n",CLIENTPORT2, SERVERPORT2);

	//通过第一个连接发送字符串
    char mydata[6] = "hello";
	int i;
	for(i=0;i<5;i++){
      	stcp_client_send(sockfd, mydata, 6);
		printf("send string:%s to connection 1\n",mydata);	
      	}
	//通过第二个连接发送字符串
    char mydata2[7] = "byebye";
	for(i=0;i<5;i++){
      	stcp_client_send(sockfd2, mydata2, 7);
		printf("send string:%s to connection 2\n",mydata2);	
      	}

	//等待一段时间, 然后关闭连接
	sleep(WAITTIME);
	if(stcp_client_disconnect(sockfd)<0) {
		printf("fail to disconnect from stcp server\n");
		exit(1);
	}
	if(stcp_client_close(sockfd)<0) {
		printf("fail to close stcp client\n");
		exit(1);
	}
	
	if(stcp_client_disconnect(sockfd2)<0) {
		printf("fail to disconnect from stcp server\n");
		exit(1);
	}
	if(stcp_client_close(sockfd2)<0) {
		printf("fail to close stcp client\n");
		exit(1);
	}

	//停止重叠网络层
	son_stop(son_conn);
}