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POC network server programming on linux
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copied!<p>I would like to make program so that, when client disconnected, the server will back ready to accept a new request from client. Here is the code</p> <pre><code>#include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <time.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <unistd.h> #define MAXLINE 100 #define LISTENQ 10 int main() { int tmp, listenfd, connfd; int sin_size; struct sockaddr_in servaddr, cliaddr; char buff[MAXLINE]; time_t ticks; while(true) { bzero(&servaddr, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_addr.s_addr = INADDR_ANY; servaddr.sin_port = htons(13); memset(&(servaddr.sin_zero),'\0',8); listenfd = socket(AF_INET, SOCK_STREAM, 0); if(listenfd == -1){ perror("error socket"); exit(1); } tmp=bind(listenfd, (struct sockaddr *)&servaddr, sizeof(struct sockaddr)); if(tmp == -1){ perror("error bind.."); exit(1); } tmp=listen(listenfd, LISTENQ); if(tmp == -1){ perror("error listen"); exit(1); } sin_size = sizeof(struct sockaddr_in); connfd=accept(listenfd,(struct sockaddr *)&cliaddr, &sin_size); if(connfd == -1){ perror("error accept"); exit(1); } ticks = time(NULL); snprintf(buff,sizeof(buff),"Now Time: %.24s\r\n", ctime(&ticks)); write(connfd, buff, strlen(buff)); close(connfd); close(listenfd); } } </code></pre> <p>I found a problem on this part </p> <pre><code>tmp=bind(listenfd, (struct sockaddr *)&servaddr, sizeof(struct sockaddr)); </code></pre> <p>error: invalid conversion from 'int*' to 'socklen_t* {aka unsigned int*}' [-fpermissive]</p> <pre><code>connfd=accept(listenfd,(struct sockaddr *)&cliaddr, &sin_size); </code></pre> <p>error: initializing argument 3 of 'int accept(int, sockaddr*, socklen_t*)' [-fpermissive]</p> <p>What should I do with those problem? Didn't the pointer right?</p>

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