C說話完成Linux下的socket文件傳輸實例。本站提示廣大學習愛好者:(C說話完成Linux下的socket文件傳輸實例)文章只能為提供參考,不一定能成為您想要的結果。以下是C說話完成Linux下的socket文件傳輸實例正文
本文實例講述了C說話完成Linux下的socket文件傳輸。分享給年夜家供年夜家參考。詳細以下:
server.c以下:
//////////////////////////////////// //辦事器代碼 /////////////////////////////////// //本文件是辦事器的代碼 #include <netinet/in.h> // for sockaddr_in #include <sys/types.h> // for socket #include <sys/socket.h> // for socket #include <stdio.h> // for printf #include <stdlib.h> // for exit #include <string.h> // for bzero #include <time.h> //for time_t and time #define HELLO_WORLD_SERVER_PORT 7754 #define LENGTH_OF_LISTEN_QUEUE 20 #define BUFFER_SIZE 1024 int main(int argc, char **argv) { //設置一個socket地址構造server_addr,代表辦事器internet地址, 端口 struct sockaddr_in server_addr; bzero(&server_addr,sizeof(server_addr)); //把一段內存區的內容全體設置為0 server_addr.sin_family = AF_INET; server_addr.sin_addr.s_addr = htons(INADDR_ANY); server_addr.sin_port = htons(HELLO_WORLD_SERVER_PORT); // time_t now; FILE *stream; //創立用於internet的流協定(TCP)socket,用server_socket代表辦事器socket int server_socket = socket(AF_INET,SOCK_STREAM,0); if( server_socket < 0) { printf("Create Socket Failed!"); exit(1); } //把socket和socket地址構造接洽起來 if( bind(server_socket,(struct sockaddr*)&server_addr,sizeof(server_addr))) { printf("Server Bind Port : %d Failed!", HELLO_WORLD_SERVER_PORT); exit(1); } //server_socket用於監聽 if ( listen(server_socket, LENGTH_OF_LISTEN_QUEUE) ) { printf("Server Listen Failed!"); exit(1); } while (1) //辦事器端要一向運轉 { 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, BUFFER_SIZE); strcpy(buffer,"Hello,World! 從辦事器來!"); strcat(buffer,"\n"); //C說話字符串聯接 send(new_server_socket,buffer,BUFFER_SIZE,0); bzero(buffer,BUFFER_SIZE); //吸收客戶端發送來的信息到buffer中 length = recv(new_server_socket,buffer,BUFFER_SIZE,0); if (length < 0) { printf("Server Recieve Data Failed!\n"); exit(1); } printf("\n%s",buffer); if((stream = fopen("data1","r"))==NULL) { printf("The file 'data1' was not opened! \n"); exit(1); } else printf("The file 'filename' was opened! \n"); bzero(buffer,BUFFER_SIZE); int lengsize = 0; while((lengsize = fread(buffer,1,1024,stream)) > 0) { printf("lengsize = %d\n",lengsize); if(send(new_server_socket,buffer,lengsize,0)<0) { printf("Send File is Failed\n"); break; } bzero(buffer, BUFFER_SIZE); } if(fclose(stream)) printf("The file 'data' was not closed! \n"); exit(1); //封閉與客戶真個銜接 close(new_server_socket); } //封閉監聽用的socket close(server_socket); return 0; }
client.c以下:
//////////////////////////////////// //客戶端代碼 /////////////////////////////////// //本文件是客戶機的代碼 #include <netinet/in.h> // for sockaddr_in #include <sys/types.h> // for socket #include <sys/socket.h> // for socket #include <stdio.h> // for printf #include <stdlib.h> // for exit #include <string.h> // for bzero #include <time.h> //for time_t and time #include <arpa/inet.h> #define HELLO_WORLD_SERVER_PORT 7754 #define BUFFER_SIZE 1024 int main(int argc, char **argv) { if (argc != 2) { printf("Usage: ./%s ServerIPAddress\n",argv[0]); exit(1); } //time_t now; FILE *stream; //設置一個socket地址構造client_addr,代表客戶機internet地址, 端口 struct sockaddr_in client_addr; bzero(&client_addr,sizeof(client_addr)); //把一段內存區的內容全體設置為0 client_addr.sin_family = AF_INET; //internet協定族 client_addr.sin_addr.s_addr = htons(INADDR_ANY);//INADDR_ANY表現主動獲得本機地址 client_addr.sin_port = htons(0); //0表現讓體系主動分派一個余暇端口 //創立用於internet的流協定(TCP)socket,用client_socket代表客戶機socket int client_socket = socket(AF_INET,SOCK_STREAM,0); if( client_socket < 0) { printf("Create Socket Failed!\n"); exit(1); } //把客戶機的socket和客戶機的socket地址構造接洽起來 if( bind(client_socket,(struct sockaddr*)&client_addr,sizeof(client_addr))) { printf("Client Bind Port Failed!\n"); exit(1); } //設置一個socket地址構造server_addr,代表辦事器的internet地址, 端口 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) //辦事器的IP地址來自法式的參數 { 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); //向辦事器提議銜接,銜接勝利後client_socket代表了客戶機和辦事器的一個socket銜接 if(connect(client_socket,(struct sockaddr*)&server_addr, server_addr_length) < 0) { printf("Can Not Connect To %s!\n",argv[1]); exit(1); } char buffer[BUFFER_SIZE]; bzero(buffer,BUFFER_SIZE); //從辦事器吸收數據到buffer中 int length = recv(client_socket,buffer,BUFFER_SIZE,0); if(length < 0) { printf("Recieve Data From Server %s Failed!\n", argv[1]); exit(1); } printf("\n%s\n",buffer); bzero(buffer,BUFFER_SIZE); bzero(buffer,BUFFER_SIZE); strcpy(buffer,"Hello, World! From Client\n"); //向辦事器發送buffer中的數據 send(client_socket,buffer,BUFFER_SIZE,0); if((stream = fopen("data","w+t"))==NULL) { printf("The file 'data' was not opened! \n"); } else bzero(buffer,BUFFER_SIZE); 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,stream); if (write_length<length) { printf("File is Write Failed\n"); break; } bzero(buffer,BUFFER_SIZE); } printf("Recieve File From Server[%s] Finished\n", argv[1]); //封閉 文件 fclose(stream); //封閉socket close(client_socket); return 0; }
願望本文所述對年夜家的C說話法式設計有所贊助。