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@ -14,6 +14,8 @@ |
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#include <getopt.h> |
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#include "wstationd.h" |
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#define BUFFERSIZE 4096 |
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static char *exec_name; |
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@ -42,10 +44,12 @@ int main(int argc, char *argv[]) |
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int port = 10800; // Default port |
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uint32_t address = INADDR_ANY; // Default listen address |
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int sockflag = 1, sockfd = 0, connfd = 0; |
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int connflag, sockflag = 1; |
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int sockfd = 0, connfd = 0; |
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struct sockaddr_in sock, client; |
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socklen_t client_sz = sizeof(client); |
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char timebuff[15], fnbuff[35]; |
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char connbuff[BUFFERSIZE], timebuff[15], fnbuff[35]; |
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ssize_t connbuff_sz; |
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time_t timeraw; |
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struct tm* timeptr; |
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@ -155,6 +159,25 @@ int main(int argc, char *argv[]) |
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fprintf(stderr, "%s: accept failed - %s\n", |
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exec_name, strerror(errno) |
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); |
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continue; |
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} |
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// Get current flags before setting nonblock |
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if((connflag = fcntl(connfd, F_GETFL)) == -1){ |
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fprintf(stderr, "%s: cannot get connection flags - %s\n", |
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exec_name, strerror(errno) |
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); |
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close(connfd); |
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continue; |
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} |
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// Set nonblocking on socket |
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if(fcntl(connfd, F_SETFL, connflag | O_NONBLOCK) == -1){ |
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fprintf(stderr, "%s: cannot set connection flags - %s\n", |
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exec_name, strerror(errno) |
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); |
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close(connfd); |
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continue; |
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} |
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// Collect the time of the connection, process it into |
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@ -170,8 +193,9 @@ int main(int argc, char *argv[]) |
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timebuff, inet_ntoa(client.sin_addr) |
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); |
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if((writefds[i] = open(fnbuff, O_WRONLY | O_CREAT, 0644)) == -1){ |
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writefds[i] = 0; |
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// Open a file to dump our data to |
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if((writefds[connfd] = open(fnbuff, O_WRONLY | O_CREAT, 0644)) == -1){ |
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writefds[connfd] = 0; |
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fprintf(stderr, "%s: cannot open - %s\n", |
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exec_name, strerror(errno) |
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); |
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@ -180,16 +204,36 @@ int main(int argc, char *argv[]) |
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} else { |
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FD_SET(connfd, &masterfds); |
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} |
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connfd = 0; |
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// Read from existing connections |
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} else { |
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if(writefds[i] != 0){ |
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// Do the read |
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connbuff_sz = recv(i, connbuff, BUFFERSIZE, 0); |
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if(connbuff_sz > 0){ |
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// If the read fails, throw an error, and set the |
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// buffer size to 0, which forces a disconnect. |
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if(write(writefds[i], connbuff, connbuff_sz) == -1){ |
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fprintf(stderr, "%s: file write error - %s\n", |
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exec_name, strerror(errno) |
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); |
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connbuff_sz = 0; |
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} |
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} |
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// If the buffer is empty (which with select(), will only happen |
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// on disconnect, disconnect and cleanup. |
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if(connbuff_sz == 0){ |
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close(writefds[i]); |
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writefds[i] = 0; |
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FD_CLR(i, &masterfds); |
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close(i); |
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} else if(connbuff_sz == -1){ |
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fprintf(stderr, "%s: recv error - %s\n", |
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exec_name, strerror(errno) |
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); |
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FD_CLR(i, &masterfds); |
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close(i); |
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} |
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FD_CLR(i, &masterfds); |
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close(i); |
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} |
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} |
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} |
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