static long vrrp_timer_fd(const int fd) { timeval_t timer, vrrp_timer; long vrrp_long; timer = vrrp_compute_timer(fd); vrrp_timer = timer_sub(timer, time_now); vrrp_long = timer_long(vrrp_timer); return (vrrp_long < 0) ? TIMER_MAX_SEC : vrrp_long; }
enum connect_result tcp_socket_state(int fd, thread_t * thread, char *ipaddress, uint16_t addr_port, int (*func) (thread_t *)) { int status; socklen_t slen; int ret = 0; timeval_t timer_min; /* Handle connection timeout */ if (thread->type == THREAD_WRITE_TIMEOUT) { DBG("TCP connection timeout to [%s]:%d.\n", ipaddress, ntohs(addr_port)); close(thread->u.fd); return connect_timeout; } /* Check file descriptor */ slen = sizeof (status); if (getsockopt (thread->u.fd, SOL_SOCKET, SO_ERROR, (void *) &status, &slen) < 0) ret = errno; /* Connection failed !!! */ if (ret) { DBG("TCP connection failed to [%s]:%d.\n", ipaddress, ntohs(addr_port)); close(thread->u.fd); return connect_error; } /* If status = 0, TCP connection to remote host is established. * Otherwise register checker thread to handle connection in progress, * and other error code until connection is established. * Recompute the write timeout (or pending connection). */ if (status != 0) { DBG("TCP connection to [%s]:%d still IN_PROGRESS.\n", ipaddress, ntohs(addr_port)); timer_min = timer_sub_now(thread->sands); thread_add_write(thread->master, func, THREAD_ARG(thread) , thread->u.fd, timer_long(timer_min)); return connect_in_progress; } return connect_success; }