socket编程实例(文件传输).doc

socket 编程实例( 文件传输) 此实例是客户端向服务器端传送文件服务器端代码实现: #include <> #include <> #include <> #include <sys/> #include <sys/> #include <sys/> #include <> #include <arpa/> #include <> #include <> #define FU_SERVER_PORT 8080 /*set port*/ #define FU_BUFFERSIZE 1024 /*set buffer size*/ #define FU_LISTENQ 10 /*set listen max conncent*/ int main(int argc,char *argv[]) { int fu_listenfd,fu_connfd,fu_filefd; /*descriptor*/ int fu_read,fu_write; int struct_size; struct sockaddr_in fu_servaddr,fu_cliaddr; char *fu_filename; char *p; char buffer[FU_BUFFERSIZE]; fu_listenfd=socket(,SOCK_STREAM,0); /*create socket*/ if(fu_listenfd==-1){ perror("fu_socket"); exit(1); } memset(&fu_servaddr,0,sizeof(fu_servaddr)); /*servaddr set 0*/ =; /*init serveraddr*/ =INADDR_ANY; =htons(FU_SERVER_PORT); /*bind fu_listenfd*/ if(-1==(bind(fu_listenfd,(struct sockaddr *)&fu_servaddr, sizeof(fu_servaddr)))){ perror("fu_bind"); exit(1); } /*listen fu_listenfd*/ if(-1==(listen(fu_listenfd,FU_LISTENQ))){ perror("fu_listen"); exit(1); } /*file upload server start*/ while(1){ printf("file upload server starting......\n"); memset(&fu_cliaddr,0,sizeof(fu_cliaddr)); struct_size=sizeof(fu_cliaddr); fu_connfd=accept(fu_listenfd,(struct sockaddr *)&fu_cliaddr,&struct_size); if(-1==fu_connfd){ p