/**************************
*** Logging management ***
**************************/
void logging_init() {
/* Set the default handler */
g_log_set_default_handler(spop_log_handler, NULL);
/* Open the log file */
g_log_file_path = config_get_string_opt("log_file", "/var/log/spopd.log");
if (strlen(g_log_file_path) > 0) {
/* Install a handler so that we can reopen the file on SIGHUP */
if (signal(SIGHUP, sighup_handler) == SIG_ERR)
g_error("Can't install signal handler: %s", g_strerror(errno));
/* And open the file using this handler :) */
sighup_handler(0);
}
}
/* Functions called directly from spop */
void interface_init() {
/* Try to use systemd socket activation */
int n, sock;
n = sd_listen_fds(1);
if (n < 0)
g_error("Can't check file descriptors passed by the system manager: %s", g_strerror(errno));
else if (n > 0) {
/* Use these sockets */
for (sock = SD_LISTEN_FDS_START; sock < SD_LISTEN_FDS_START + n; sock++) {
interface_init_chan(sock);
}
g_info("Listening to %d systemd sockets", n);
}
else {
/* Traditional socket creation... */
const char* ip_addr;
const char* port;
struct addrinfo hints;
struct addrinfo* res;
struct addrinfo* rp;
int _true = 1;
int ret;
/* Get what we need from the config */
ip_addr = config_get_string_opt("listen_address", NULL);
port = config_get_string_opt("listen_port", "6602");
/* Get corresponding addrinfo's */
bzero(&hints, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_V4MAPPED | AI_ADDRCONFIG | AI_NUMERICHOST | AI_NUMERICSERV;
ret = getaddrinfo(ip_addr, port, &hints, &res);
if (ret != 0)
g_error("Can't get address info: %s", gai_strerror(ret));
/* Handle each address */
for (rp = res; rp != NULL; rp = rp->ai_next) {
char hostname[NI_MAXHOST];
ret = getnameinfo(rp->ai_addr, rp->ai_addrlen, hostname, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if (ret != 0)
g_error("Can't convert address to text: %s", gai_strerror(ret));
g_debug("Will listen on %s:%s...", hostname, port);
/* Create the socket */
sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (sock < 0)
g_error("Can't create socket: %s", g_strerror(errno));
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &_true, sizeof(int)) == -1)
g_error("Can't set socket options: %s", g_strerror(errno));
/* Bind the socket */
if (bind(sock, rp->ai_addr, rp->ai_addrlen) != 0)
g_error("Can't bind socket: %s", g_strerror(errno));
/* Start listening */
if (listen(sock, SOMAXCONN) != 0)
g_error("Can't listen on socket: %s", g_strerror(errno));
interface_init_chan(sock);
g_info("Listening on %s: %s", hostname, port);
}
freeaddrinfo(res);
}
}
