Linux下socket传输文件示例
来源：互联网 发布：滨州行知中学地址 编辑：程序博客网 时间：2024/04/30 08:22
为了方便获取在嵌入式设备中生成的文件，可以在嵌入式端建立一个文件服务器
/*server.c*/#include<netinet/in.h> #include<sys/types.h> #include<sys/socket.h> #include<stdio.h> #include<stdlib.h> #include<string.h> #define HELLO_WORLD_SERVER_PORT 8187 #define LENGTH_OF_LISTEN_QUEUE 20 #define BUFFER_SIZE (1024) #define FILE_NAME_MAX_SIZE 512 int main(int argc, char **argv) { struct sockaddr_in server_addr; bzero(&server_addr, sizeof(server_addr)); server_addr.sin_family = AF_INET; server_addr.sin_addr.s_addr = htons(INADDR_ANY); server_addr.sin_port = htons(HELLO_WORLD_SERVER_PORT); int server_socket = socket(PF_INET, SOCK_STREAM, 0); if (server_socket < 0) { printf("Create Socket Failed!\n"); exit(1); } if (bind(server_socket, (struct sockaddr*)&server_addr, sizeof(server_addr))) { printf("Server Bind Port: %d Failed!\n", HELLO_WORLD_SERVER_PORT); exit(1); } if (listen(server_socket, LENGTH_OF_LISTEN_QUEUE)) { printf("Server Listen Failed!\n"); exit(1); } while(1) { struct sockaddr_in client_addr; socklen_t length = sizeof(client_addr); int new_server_socket = accept(server_socket, (struct sockaddr*)&client_addr, &length); if (new_server_socket < 0) { printf("Server Accept Failed!\n"); break; } char buffer[BUFFER_SIZE]; bzero(buffer, sizeof(buffer)); length = recv(new_server_socket, buffer, BUFFER_SIZE, 0); if (length < 0) { printf("Server Recieve Data Failed!\n"); break; } char file_name[FILE_NAME_MAX_SIZE + 1]; bzero(file_name, sizeof(file_name)); strncpy(file_name, buffer, strlen(buffer) > FILE_NAME_MAX_SIZE ? FILE_NAME_MAX_SIZE : strlen(buffer)); FILE *fp = fopen(file_name, "r"); if (fp == NULL) { printf("File:\t%s Not Found!\n", file_name); } else { bzero(buffer, BUFFER_SIZE); int file_block_length = 0; while( (file_block_length = fread(buffer, sizeof(char), BUFFER_SIZE, fp)) > 0) { printf("file_block_length = %d\n", file_block_length); if (send(new_server_socket, buffer, file_block_length, 0) < 0) { printf("Send File:\t%s Failed!\n", file_name); break; } bzero(buffer, sizeof(buffer)); } fclose(fp); printf("File:\t%s Transfer Finished!\n", file_name); } close(new_server_socket); } close(server_socket); return 0; } /*client*/#include<netinet/in.h>#include<sys/types.h>#include<sys/socket.h>#include<stdio.h>#include<stdlib.h> #include<string.h> #include <arpa/inet.h>#include <unistd.h> #define HELLO_WORLD_SERVER_PORT 8187 #define BUFFER_SIZE (1024)#define FILE_NAME_MAX_SIZE 512 int main(int argc, char **argv) { if (argc != 2) { printf("Usage: ./%s ServerIPAddress\n", argv[0]); exit(1); } struct sockaddr_in client_addr; bzero(&client_addr, sizeof(client_addr)); client_addr.sin_family = AF_INET; client_addr.sin_addr.s_addr = htons(INADDR_ANY); client_addr.sin_port = htons(0); int client_socket = socket(AF_INET, SOCK_STREAM, 0); if (client_socket < 0) { printf("Create Socket Failed!\n"); exit(1); } if (bind(client_socket, (struct sockaddr*)&client_addr, sizeof(client_addr))) { printf("Client Bind Port Failed!\n"); exit(1); } struct sockaddr_in server_addr; bzero(&server_addr, sizeof(server_addr)); server_addr.sin_family = AF_INET; if (inet_aton(argv[1], &server_addr.sin_addr) == 0) { printf("Server IP Address Error!\n"); exit(1); } server_addr.sin_port = htons(HELLO_WORLD_SERVER_PORT); socklen_t server_addr_length = sizeof(server_addr); if (connect(client_socket, (struct sockaddr*)&server_addr, server_addr_length) < 0) { printf("Can Not Connect To %s!\n", argv[1]); exit(1); } char file_name[FILE_NAME_MAX_SIZE + 1]; bzero(file_name, sizeof(file_name)); printf("Please Input File Name On Server: "); scanf("%s", file_name); char buffer[BUFFER_SIZE]; bzero(buffer, sizeof(buffer)); strncpy(buffer, file_name, strlen(file_name) > BUFFER_SIZE ? BUFFER_SIZE : strlen(file_name)); send(client_socket, buffer, BUFFER_SIZE, 0); FILE *fp = fopen(file_name, "w"); if (fp == NULL) { printf("File:\t%s Can Not Open To Write!\n", file_name); exit(1); } bzero(buffer, sizeof(buffer)); int length = 0; while(length = recv(client_socket, buffer, BUFFER_SIZE, 0)) { if (length < 0) { printf("Recieve Data From Server %s Failed!\n", argv[1]); break; } int write_length = fwrite(buffer, sizeof(char), length, fp); if (write_length < length) { printf("File:\t%s Write Failed!\n", file_name); break; } bzero(buffer, BUFFER_SIZE); } printf("Recieve File:\t %s From Server[%s] Finished!\n", file_name, argv[1]); fclose(fp); close(client_socket); return 0; } win32平台的client
/*client.c*/#include <iostream>#include <cstdio>#include <windows.h>#include <cstring>#include <Winsock2.h>#include <time.h>using namespace std;#define HELLO_WORLD_SERVER_PORT 8187 #define BUFFER_SIZE (1024)#define FILE_NAME_MAX_SIZE 512 int main(int argc, char **argv){int err;int i;char ip[16];char str[8];//memcpy(str, "[ipaddr]", 8);char temp[24];int n;/*printf("Please input the IPC address: ");scanf("%s", ip);if (strlen(ip) > 16){printf("IPC address format false.\n");printf("Please enter any key to exit.\n");system("pause");exit(1);}*/FILE *pconf = fopen("config.txt", "r+");n = fread(temp, sizeof(temp), 1, pconf);printf("n: %d\n", n);memcpy(str, temp, 8);memcpy(ip, temp+8, 16);printf("%s\n", temp);printf("%s\n", str);printf("%s\n", ip);// 加载socket动态链接库(dll)WORD wVersionRequested;WSADATA wsaData;// 这结构是用于接收Wjndows Socket的结构信息的 wVersionRequested = MAKEWORD(1, 1);// 请求1.1版本的WinSock库 err = WSAStartup( wVersionRequested, &wsaData );if ( err != 0 ) {return -1;// 返回值为零的时候是表示成功申请WSAStartup} if ( LOBYTE( wsaData.wVersion ) != 1 ||HIBYTE( wsaData.wVersion ) != 1 ) {// 检查这个低字节是不是1，高字节是不是1以确定是否我们所请求的1.1版本// 否则的话，调用WSACleanup()清除信息，结束函数WSACleanup( );return -1; }// 创建socket操作，建立流式套接字，返回套接字号sockClient// SOCKET socket(int af, int type, int protocol);// 第一个参数，指定地址簇(TCP/IP只能是AF_INET，也可写成PF_INET)// 第二个，选择套接字的类型(流式套接字)，第三个，特定地址家族相关协议（0为自动）SOCKET sockClient = socket(AF_INET, SOCK_STREAM, 0);// 将套接字sockClient与远程主机相连// int connect( SOCKET s, const struct sockaddr* name, int namelen);// 第一个参数：需要进行连接操作的套接字// 第二个参数：设定所需要连接的地址信息// 第三个参数：地址的长度SOCKADDR_IN addrSrv;addrSrv.sin_addr.S_un.S_addr = inet_addr(ip);addrSrv.sin_family = AF_INET;addrSrv.sin_port = htons(HELLO_WORLD_SERVER_PORT);connect(sockClient, (SOCKADDR*)&addrSrv, sizeof(SOCKADDR));char file_name[FILE_NAME_MAX_SIZE + 1]; memset(file_name, 0, sizeof(file_name)); //printf("Please Input File Name On Server: "); //scanf("%s", file_name);strcpy(file_name, "picture.jpg"); char buffer[BUFFER_SIZE]; memset(buffer, 0, sizeof(buffer)); strncpy(buffer, file_name, strlen(file_name) > BUFFER_SIZE ? BUFFER_SIZE : strlen(file_name)); // 向服务器发送buffer中的数据，此时buffer中存放的是客户端需要接收的文件的名字 send(sockClient, buffer, BUFFER_SIZE, 0); FILE *fp = fopen(file_name, "wb"); if (fp == NULL) { printf("File:\t%s Can Not Open To Write!\n", file_name); exit(1); } // 从服务器端接收数据到buffer中 memset(buffer, 0,sizeof(buffer)); int length = 0; while(length = recv(sockClient, buffer, BUFFER_SIZE, 0)) { if (length < 0) { printf("Recieve Data From Server %s Failed!\n", argv[1]); break; } //printf("length: %d\n", length); int write_length = fwrite(buffer, sizeof(char), length, fp); if (write_length < length) { printf("File: %s Write Failed!\n", file_name); break; } memset(buffer, 0, BUFFER_SIZE); } printf("Recieve File: %s From Server[%s] Finished!\n", file_name, ip);fclose(pconf);fclose(fp); closesocket(sockClient);WSACleanup();return 0;} 0 0
- Linux下socket传输文件示例
- Socket传输文件示例（下）
- Socket传输文件示例
- Socket传输文件示例
- Linux下UDP传输文件示例
- Socket传输文件示例(上)
- linux下传输文件
- linux下socket编程示例
- linux下socket编程示例
- Linux 下 socket 编程示例
- Linux 下 socket 编程示例
- android socket 传输示例
- linux socket 传输大文件解决方案
- linux 下ssh 传输文件
- linux下使用传输文件
- Linux下使用socket传输文件的C语言简单实现
- Linux下使用socket传输文件的C语言简单实现
- Linux下使用socket传输文件的C语言简单实现
- 【LeetCode】Largest Number
- java线程系列---Runnable和Thread的区别
- Linkedin工程师是如何优化他们的Java代码的
- linux下查看进程指令-ps
- Windows的快捷方式打开方式被修改后恢复方法
- Linux下socket传输文件示例
- 维护用户状态——Spring中session bean的使用
- Android Scroller简单用法
- Boost.Asio c++ 网络编程翻译（2）
- [乐意黎原创] php 语法里0不等于null为空的解决办法
- BulletedList控件的使用
- 项目中捕获异常的优化
- dom知识点杂
- win7 asp环境搭建和调试很不错的图文讲解 好东西分享一下啦
