socket.c
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#include <stdio.h> /* for printf() and fprintf() */
#include <sys/types.h> /* SO_REUSEADDR */
#include <sys/socket.h> /* for socket(), bind(), and connect() */
#include <arpa/inet.h> /* for sockaddr_in and inet_ntoa() */
#include <stdlib.h> /* for atoi() and exit() */
#include <string.h> /* for memset() */
#include <unistd.h> /* for close() */
#include <errno.h> /* for errno */
#include <stdarg.h>
#include "logger.h"
#include "cclass.h"
#include "socket.h"
INIT_CLASS(SOCK);
__construct(SOCK)
{
this->logger = va_arg(* params, struct _logger *);
this->port = va_arg(* params, int);
}
__destruct(SOCK)
{
if (0 != this->handle) {
shutdown(this->handle, SHUT_RDWR);
close(this->handle);
}
}
__jsonConst(SOCK) {}
__toJson(SOCK) {}
__clear(SOCK) {}
void
sock_initServer(SOCK this, int backlog)
{
struct sockaddr_in addr; /* Local address */
int reUse = 1; /* TODO: make this configurable */
/* Create socket for incoming connections */
if (-1 == (this->handle = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))) {
logger_log(this->logger, LOGGER_CRIT,
"error opening socket: %s - service terminated",
strerror(errno));
exit(EXIT_FAILURE);
}
/* Make the socket REUSE a TIME_WAT socket */
setsockopt(this->handle, SOL_SOCKET, SO_REUSEADDR, &reUse, sizeof (reUse));
/* Construct local address structure */
memset(&addr, 0, sizeof(addr)); /* Zero out structure */
addr.sin_family = AF_INET; /* Internet address family */
addr.sin_addr.s_addr = htonl(INADDR_ANY); /* Any incoming interface */
addr.sin_port = htons(this->port); /* Local port */
/* Bind to the local address */
if (-1 == bind(this->handle, (struct sockaddr *) &addr, sizeof(addr))) {
logger_log(this->logger, LOGGER_CRIT,
"error binding socket: %s - service terminated",
strerror(errno));
exit(EXIT_FAILURE);
}
/* Mark the socket so it will listen for incoming connections */
if (-1 == listen(this->handle, backlog)) {
logger_log(this->logger, LOGGER_CRIT,
"error binding socket: %s - service terminated",
strerror(errno));
exit(EXIT_FAILURE);
}
}
SOCK
sock_accept(SOCK this, char remoteAddr[16])
{
SOCK sock; /* Socket for client */
struct sockaddr_in addr; /* Client address */
unsigned int len; /* Length of client address data structure */
/* Set the size of the in-out parameter */
len = sizeof(addr);
sock = new(SOCK, this->logger, this->port);
/**
* @TODO: change port to remote port on success
*/
/* Wait for a client to connect */
if (-1 == (sock->handle = accept(this->handle, (struct sockaddr *) &addr, &len))) {
logger_log(this->logger, LOGGER_WARNING,
"error acception connection: %s", strerror(errno));
} else {
strncpy (remoteAddr, inet_ntoa(addr.sin_addr), sizeof(remoteAddr)-1);
}
/* clntSock is connected to a client! */
/**
* @TODO add verbosity level to logger
*/
// if (0 != this->logger->verbose) {
logger_log(this->logger, LOGGER_INFO,
"handling client %s\n", inet_ntoa(addr.sin_addr));
// }
return sock;
}
// vim: set ts=4 sw=4: