#include <stdbool.h>
#include <net/if.h>
-#include <sys/wait.h>
#include <sys/syscall.h>
#include <arpa/inet.h>
static volatile bool signal_term = false;
static int urandom_fd = -1, allow_slaac_only = 0;
-static bool bound = false, release = true;
+static bool bound = false, release = true, ra = false;
static time_t last_update = 0;
static unsigned int min_update_interval = DEFAULT_MIN_UPDATE_INTERVAL;
+static unsigned int script_sync_delay = 10;
+static unsigned int script_accu_delay = 1;
int main(_unused int argc, char* const argv[])
{
}
}
+ if (allow_slaac_only > 0)
+ script_sync_delay = allow_slaac_only;
+
openlog("odhcp6c", logopt, LOG_DAEMON);
if (!verbosity)
setlogmask(LOG_UPTO(LOG_WARNING));
signal(SIGIO, sighandler);
signal(SIGHUP, sighandler);
signal(SIGINT, sighandler);
- signal(SIGCHLD, sighandler);
signal(SIGTERM, sighandler);
signal(SIGUSR1, sighandler);
signal(SIGUSR2, sighandler);
}
}
- script_call("started");
+ script_call("started", 0, false);
while (!signal_term) { // Main logic
odhcp6c_clear_state(STATE_SERVER_ID);
while (!signal_usr2 && !signal_term) {
signal_usr1 = false;
- script_call("informed");
+ script_call("informed", script_sync_delay, true);
int res = dhcpv6_poll_reconfigure();
odhcp6c_signal_process();
case DHCPV6_STATEFUL:
bound = true;
- script_call("bound");
+ script_call("bound", script_sync_delay, true);
syslog(LOG_NOTICE, "entering stateful-mode on %s", ifname);
while (!signal_usr2 && !signal_term) {
int res = dhcpv6_poll_reconfigure();
odhcp6c_signal_process();
if (res > 0) {
- script_call("updated");
+ script_call("updated", 0, false);
continue;
}
odhcp6c_signal_process();
if (res > 0) { // Renew was succesfull
// Publish updates
- script_call("updated");
+ script_call("updated", 0, false);
continue; // Renew was successful
}
odhcp6c_signal_process();
if (res > 0)
- script_call("rebound");
+ script_call("rebound", 0, true);
else {
break;
}
// Add all prefixes to lost prefixes
bound = false;
- script_call("unbound");
+ script_call("unbound", 0, true);
if (server_id_len > 0 && (ia_pd_len > 0 || ia_na_len > 0) && release)
dhcpv6_request(DHCPV6_MSG_RELEASE);
odhcp6c_clear_state(STATE_IA_PD);
}
- script_call("stopped");
+ script_call("stopped", 0, true);
return 0;
}
bool ra_updated = ra_process();
- if (ra_link_up())
+ if (ra_link_up()) {
signal_usr2 = true;
+ ra = false;
+ }
- if (ra_updated && (bound || allow_slaac_only >= 0))
- script_call("ra-updated"); // Immediate process urgent events
+ if (ra_updated && (bound || allow_slaac_only >= 0)) {
+ script_call("ra-updated", (!ra && !bound) ?
+ script_sync_delay : script_accu_delay, false);
+ ra = true;
+ }
}
return signal_usr1 || signal_usr2 || signal_term;
static void sighandler(int signal)
{
- if (signal == SIGCHLD)
- while (waitpid(-1, NULL, WNOHANG) > 0);
- else if (signal == SIGUSR1)
+ if (signal == SIGUSR1)
signal_usr1 = true;
else if (signal == SIGUSR2)
signal_usr2 = true;