static int __attempt_send(struct homer_sender *hs, GString *gs) {
int ret;
ret = write(hs->socket.fd, gs->str, gs->len);
if (ret == gs->len) {
// full write
g_string_free(gs, TRUE);
return 0;
}
if (ret < 0) {
if (errno != EWOULDBLOCK && errno != EAGAIN) {
ilog(LOG_ERR, "Write error to Homer at %s: %s",
endpoint_print_buf(&hs->endpoint), strerror(errno));
__reset(hs);
return 1;
}
ilog(LOG_DEBUG, "Home write blocked");
// XXX use poller for blocked writes?
return 2;
}
// partial write
ilog(LOG_DEBUG, "Home write blocked (partial write)");
g_string_erase(gs, 0, ret);
return 3;
}
/* agent must be locked */
static struct ice_candidate_pair *__pair_candidate(struct stream_fd *sfd, struct ice_agent *ag,
struct ice_candidate *cand)
{
struct ice_candidate_pair *pair;
if (sfd->socket.family != cand->endpoint.address.family)
return NULL;
pair = g_slice_alloc0(sizeof(*pair));
pair->agent = ag;
pair->remote_candidate = cand;
pair->local_intf = sfd->local_intf;
pair->sfd = sfd;
if (cand->component_id != 1)
PAIR_SET(pair, FROZEN);
__do_ice_pair_priority(pair);
__new_stun_transaction(pair);
g_queue_push_tail(&ag->candidate_pairs, pair);
g_hash_table_insert(ag->pair_hash, pair, pair);
g_tree_insert(ag->all_pairs, pair, pair);
ilog(LOG_DEBUG, "Created candidate pair "PAIR_FORMAT" between %s and %s, type %s", PAIR_FMT(pair),
sockaddr_print_buf(&sfd->socket.local.address),
endpoint_print_buf(&cand->endpoint),
ice_candidate_type_str(cand->type));
return pair;
}
static int __check_conn(struct homer_sender *hs, int ret) {
if (ret == 0) {
ilog(LOG_INFO, "Connection to Homer at %s has been established",
endpoint_print_buf(&hs->endpoint));
hs->state = __established;
return hs->state(hs);
}
if (ret == 1) {
ilog(LOG_DEBUG, "connection to Homer is in progress");
hs->state = __in_progress;
return 0;
}
ilog(LOG_ERR, "Failed to connect to Homer at %s: %s",
endpoint_print_buf(&hs->endpoint), strerror(errno));
__reset(hs);
return -1;
}
static int __no_socket(struct homer_sender *hs) {
int ret;
if (hs->retry > time(NULL))
return 0;
ilog(LOG_INFO, "Connecting to Homer at %s", endpoint_print_buf(&hs->endpoint));
ret = connect_socket_nb(&hs->socket, hs->protocol, &hs->endpoint);
return __check_conn(hs, ret);
}
/* call(W) or call(R)+agent must be locked - no in_lock or out_lock must be held */
static int __check_valid(struct ice_agent *ag) {
struct call_media *media = ag->media;
struct packet_stream *ps;
GList *l, *k, *m;
GQueue all_compos;
struct ice_candidate_pair *pair;
// const struct local_intf *ifa;
struct stream_fd *sfd;
if (!ag) {
ilog(LOG_ERR, "ice ag is NULL");
return 0;
}
__get_complete_valid_pairs(&all_compos, ag);
if (!all_compos.length) {
ilog(LOG_DEBUG, "ICE not completed yet");
return 0;
}
pair = all_compos.head->data;
ilog(LOG_DEBUG, "ICE completed, using pair "PAIR_FORMAT, PAIR_FMT(pair));
AGENT_SET(ag, COMPLETED);
for (l = media->streams.head, k = all_compos.head; l && k; l = l->next, k = k->next) {
ps = l->data;
pair = k->data;
mutex_lock(&ps->out_lock);
if (memcmp(&ps->endpoint, &pair->remote_candidate->endpoint, sizeof(ps->endpoint))) {
ilog(LOG_INFO, "ICE negotiated: peer for component %u is %s", ps->component,
endpoint_print_buf(&pair->remote_candidate->endpoint));
ps->endpoint = pair->remote_candidate->endpoint;
}
mutex_unlock(&ps->out_lock);
for (m = ps->sfds.head; m; m = m->next) {
sfd = m->data;
if (sfd->local_intf != pair->local_intf)
continue;
ps->selected_sfd = sfd;
if (ps->component == 1)
ilog(LOG_INFO, "ICE negotiated: local interface %s",
sockaddr_print_buf(&pair->local_intf->spec->local_address.addr));
}
}
call_media_unkernelize(media);
g_queue_clear(&all_compos);
return 1;
}
/* agent must NOT be locked, but call must be locked in R */
static void __do_ice_check(struct ice_candidate_pair *pair) {
struct stream_fd *sfd = pair->sfd;
struct ice_agent *ag = pair->agent;
u_int32_t prio, transact[3];
if (PAIR_ISSET(pair, SUCCEEDED) && !PAIR_ISSET(pair, TO_USE))
return;
if (!ag->pwd[0].s)
return;
prio = ice_priority(ICT_PRFLX, pair->local_intf->unique_id,
pair->remote_candidate->component_id);
mutex_lock(&ag->lock);
pair->retransmit = g_now;
if (!PAIR_SET(pair, IN_PROGRESS)) {
PAIR_CLEAR2(pair, FROZEN, FAILED);
pair->retransmit_ms = STUN_RETRANSMIT_INTERVAL;
pair->retransmits = 0;
}
else if (pair->retransmits > STUN_MAX_RETRANSMITS) {
__fail_pair(pair);
mutex_unlock(&ag->lock);
return;
}
else {
pair->retransmit_ms *= 2;
pair->retransmits++;
}
timeval_add_usec(&pair->retransmit, pair->retransmit_ms * 1000);
__agent_schedule_abs(pair->agent, &pair->retransmit);
memcpy(transact, pair->stun_transaction, sizeof(transact));
pair->was_controlling = AGENT_ISSET(ag, CONTROLLING);
pair->was_nominated = PAIR_ISSET(pair, TO_USE);
mutex_unlock(&ag->lock);
ilog(LOG_DEBUG, "Sending %sICE/STUN request for candidate pair "PAIR_FORMAT" from %s to %s",
PAIR_ISSET(pair, TO_USE) ? "nominating " : "",
PAIR_FMT(pair), sockaddr_print_buf(&pair->local_intf->spec->local_address.addr),
endpoint_print_buf(&pair->remote_candidate->endpoint));
stun_binding_request(&pair->remote_candidate->endpoint, transact, &ag->pwd[0], ag->ufrag,
AGENT_ISSET(ag, CONTROLLING), tie_breaker,
prio, &sfd->socket,
PAIR_ISSET(pair, TO_USE));
}
static int __established(struct homer_sender *hs) {
char buf[16];
int ret;
GString *gs;
// test connection with a dummy read
ret = read(hs->socket.fd, buf, sizeof(buf));
if (ret < 0) {
if (errno != EWOULDBLOCK && errno != EAGAIN) {
ilog(LOG_ERR, "Connection error from Homer at %s: %s",
endpoint_print_buf(&hs->endpoint), strerror(errno));
__reset(hs);
return -1;
}
}
// XXX handle return data from Homer?
if (hs->partial) {
ilog(LOG_DEBUG, "dequeue partial packet to Homer");
ret = __attempt_send(hs, hs->partial);
if (ret == 3 || ret == 2) // partial write or not sent at all
return 0;
if (ret == 1) // write error, takes care of deleting hs->partial
return -1;
// ret == 0 -> sent OK, drop through to unqueue
g_string_free(hs->partial, TRUE);
hs->partial = NULL;
}
// unqueue as much as we can
while ((gs = g_queue_pop_head(&hs->send_queue))) {
ilog(LOG_DEBUG, "dequeue send queue to Homer");
ret = __attempt_send(hs, gs);
if (ret == 0) // everything sent OK
continue;
if (ret == 3) { // partial write
hs->partial = gs;
return 0;
}
g_queue_push_head(&hs->send_queue, gs);
if (ret == 1) // write error
return -1;
// ret == 2 -> blocked
return 0;
}
// everything unqueued
return 0;
}
int connect_to_graphite_server(const endpoint_t *ep) {
graphite_ep = ep;
int rc;
ilog(LOG_INFO, "Connecting to graphite server %s", endpoint_print_buf(ep));
rc = connect_socket_nb(&graphite_sock, SOCK_STREAM, ep);
if (rc == -1) {
ilog(LOG_ERROR,"Couldn't make socket for connecting to graphite.");
return -1;
}
if (rc == 0)
ilog(LOG_INFO, "Graphite server connected.");
else {
/* EINPROGRESS */
ilog(LOG_INFO, "Connection to graphite is in progress.");
connectinprogress = 1;
}
return 0;
}
/* call is locked in R */
int ice_response(struct stream_fd *sfd, const endpoint_t *src,
struct stun_attrs *attrs, u_int32_t transaction[3])
{
struct ice_candidate_pair *pair, *opair;
struct ice_agent *ag;
struct packet_stream *ps = sfd->stream;
struct call_media *media = ps->media;
const char *err;
unsigned int component;
struct ice_candidate *cand;
const struct local_intf *ifa;
int ret, was_ctl;
__DBG("received ICE response from %s on %s", endpoint_print_buf(src),
endpoint_print_buf(&sfd->socket.local));
ag = media->ice_agent;
if (!ag)
return -1;
atomic64_set(&ag->last_activity, poller_now);
mutex_lock(&ag->lock);
pair = g_hash_table_lookup(ag->transaction_hash, transaction);
err = "ICE/STUN response with unknown transaction received";
if (!pair)
goto err_unlock;
was_ctl = pair->was_controlling;
mutex_unlock(&ag->lock);
ifa = pair->local_intf;
ilog(LOG_DEBUG, "Received ICE/STUN response code %u for candidate pair "PAIR_FORMAT" from %s to %s",
attrs->error_code, PAIR_FMT(pair),
endpoint_print_buf(&pair->remote_candidate->endpoint),
sockaddr_print_buf(&ifa->spec->local_address.addr));
/* verify endpoints */
err = "ICE/STUN response received, but source address didn't match remote candidate address";
if (!endpoint_eq(src, &pair->remote_candidate->endpoint))
goto err;
err = "ICE/STUN response received, but destination address didn't match local interface address";
if (pair->sfd != sfd)
goto err;
PAIR_CLEAR(pair, IN_PROGRESS);
ret = 0;
/* handle all errors */
if (attrs->error_code) {
err = "ICE/STUN error received";
if (attrs->error_code != 487)
goto err;
__role_change(ag, !was_ctl);
__trigger_check(pair);
goto out;
}
/* we don't discover peer reflexive here (RFC 5245 7.1.3.2.1) as we don't expect to be behind NAT */
/* we also skip parts of 7.1.3.2.2 as we don't do server reflexive */
mutex_lock(&ag->lock);
/* check if we're in the final (controlling) phase */
if (pair->was_nominated && PAIR_CLEAR(pair, TO_USE)) {
ilog(LOG_DEBUG, "Setting nominated ICE candidate pair "PAIR_FORMAT" as valid", PAIR_FMT(pair));
PAIR_SET(pair, VALID);
g_tree_insert(ag->valid_pairs, pair, pair);
ret = __check_valid(ag);
goto out_unlock;
}
if (PAIR_SET(pair, SUCCEEDED))
goto out_unlock;
ilog(LOG_DEBUG, "Setting ICE candidate pair "PAIR_FORMAT" as succeeded", PAIR_FMT(pair));
g_tree_insert(ag->succeeded_pairs, pair, pair);
if (!ag->start_nominating.tv_sec) {
if (__check_succeeded_complete(ag)) {
ag->start_nominating = g_now;
timeval_add_usec(&ag->start_nominating, 100000);
__agent_schedule_abs(ag, &ag->start_nominating);
}
}
/* now unfreeze all other pairs from the same foundation */
for (component = 1; component <= MAX_COMPONENTS; component++) {
if (component == ps->component)
continue;
cand = __foundation_lookup(ag, &pair->remote_candidate->foundation, component);
if (!cand)
continue;
opair = __pair_lookup(ag, cand, ifa);
if (!opair)
continue;
if (PAIR_ISSET(opair, FAILED))
continue;
if (!PAIR_CLEAR(opair, FROZEN))
continue;
ilog(LOG_DEBUG, "Unfreezing related ICE pair "PAIR_FORMAT, PAIR_FMT(opair));
}
/* if this was previously nominated by the peer, it's now valid */
if (PAIR_ISSET(pair, NOMINATED)) {
PAIR_SET(pair, VALID);
g_tree_insert(ag->valid_pairs, pair, pair);
if (!AGENT_ISSET(ag, CONTROLLING))
ret = __check_valid(ag);
}
out_unlock:
mutex_unlock(&ag->lock);
out:
return ret;
err_unlock:
mutex_unlock(&ag->lock);
err:
if (err)
ilog(LOG_NOTICE, "%s (from %s on interface %s)",
err, endpoint_print_buf(src), endpoint_print_buf(&sfd->socket.local));
if (pair && attrs->error_code)
__fail_pair(pair);
return 0;
}
/* return values:
* 1 = ICE completed, interfaces selected
* 0 = packet processed
* -1 = generic error, process packet as normal
* -2 = role conflict
*/
int ice_request(struct stream_fd *sfd, const endpoint_t *src,
struct stun_attrs *attrs)
{
struct packet_stream *ps = sfd->stream;
struct call_media *media = ps->media;
struct ice_agent *ag;
const char *err;
struct ice_candidate *cand;
struct ice_candidate_pair *pair;
int ret;
__DBG("received ICE request from %s on %s", endpoint_print_buf(src),
endpoint_print_buf(&sfd->socket.local));
ag = media->ice_agent;
if (!ag)
return -1;
atomic64_set(&ag->last_activity, poller_now);
/* determine candidate pair */
mutex_lock(&ag->lock);
cand = __cand_lookup(ag, src, ps->component);
if (!cand)
pair = __learned_candidate(ag, sfd, src, attrs->priority);
else
pair = __pair_lookup(ag, cand, sfd->local_intf);
err = "Failed to determine ICE candidate from STUN request";
if (!pair)
goto err_unlock;
mutex_unlock(&ag->lock);
/* determine role conflict */
if (attrs->controlling && AGENT_ISSET(ag, CONTROLLING)) {
if (tie_breaker >= attrs->tiebreaker)
return -2;
else
__role_change(ag, 0);
}
else if (attrs->controlled && !AGENT_ISSET(ag, CONTROLLING)) {
if (tie_breaker >= attrs->tiebreaker)
__role_change(ag, 1);
else
return -2;
}
if (PAIR_ISSET(pair, SUCCEEDED))
;
else
__trigger_check(pair);
ret = 0;
if (attrs->use && !PAIR_SET(pair, NOMINATED)) {
ilog(LOG_DEBUG, "ICE pair "PAIR_FORMAT" has been nominated by peer", PAIR_FMT(pair));
mutex_lock(&ag->lock);
g_tree_insert(ag->nominated_pairs, pair, pair);
if (PAIR_ISSET(pair, SUCCEEDED)) {
PAIR_SET(pair, VALID);
g_tree_insert(ag->valid_pairs, pair, pair);
}
if (!AGENT_ISSET(ag, CONTROLLING))
ret = __check_valid(ag);
mutex_unlock(&ag->lock);
}
return ret;
err_unlock:
mutex_unlock(&ag->lock);
ilog(LOG_NOTICE, "%s (from %s on interface %s)", err, endpoint_print_buf(src),
endpoint_print_buf(&sfd->socket.local));
return 0;
}
static void create_everything(void) {
struct control_tcp *ct;
struct control_udp *cu;
struct cli *cl;
struct timeval tmp_tv;
struct timeval redis_start, redis_stop;
double redis_diff = 0;
if (rtpe_config.kernel_table < 0)
goto no_kernel;
if (kernel_setup_table(rtpe_config.kernel_table)) {
if (rtpe_config.no_fallback) {
ilog(LOG_CRIT, "Userspace fallback disallowed - exiting");
exit(-1);
}
goto no_kernel;
}
no_kernel:
rtpe_poller = poller_new();
if (!rtpe_poller)
die("poller creation failed");
dtls_timer(rtpe_poller);
if (call_init())
abort();
rwlock_init(&rtpe_config.config_lock);
if (rtpe_config.max_sessions < -1) {
rtpe_config.max_sessions = -1;
}
if (rtpe_config.redis_num_threads < 1) {
#ifdef _SC_NPROCESSORS_ONLN
rtpe_config.redis_num_threads = sysconf( _SC_NPROCESSORS_ONLN );
#endif
if (rtpe_config.redis_num_threads < 1) {
rtpe_config.redis_num_threads = REDIS_RESTORE_NUM_THREADS;
}
}
ct = NULL;
if (rtpe_config.tcp_listen_ep.port) {
ct = control_tcp_new(rtpe_poller, &rtpe_config.tcp_listen_ep);
if (!ct)
die("Failed to open TCP control connection port");
}
cu = NULL;
if (rtpe_config.udp_listen_ep.port) {
interfaces_exclude_port(rtpe_config.udp_listen_ep.port);
cu = control_udp_new(rtpe_poller, &rtpe_config.udp_listen_ep);
if (!cu)
die("Failed to open UDP control connection port");
}
rtpe_control_ng = NULL;
if (rtpe_config.ng_listen_ep.port) {
interfaces_exclude_port(rtpe_config.ng_listen_ep.port);
rtpe_control_ng = control_ng_new(rtpe_poller, &rtpe_config.ng_listen_ep, rtpe_config.control_tos);
if (!rtpe_control_ng)
die("Failed to open UDP control connection port");
}
cl = NULL;
if (rtpe_config.cli_listen_ep.port) {
interfaces_exclude_port(rtpe_config.cli_listen_ep.port);
cl = cli_new(rtpe_poller, &rtpe_config.cli_listen_ep);
if (!cl)
die("Failed to open UDP CLI connection port");
}
if (!is_addr_unspecified(&rtpe_config.redis_write_ep.address)) {
rtpe_redis_write = redis_new(&rtpe_config.redis_write_ep,
rtpe_config.redis_write_db, rtpe_config.redis_write_auth,
ANY_REDIS_ROLE, rtpe_config.no_redis_required);
if (!rtpe_redis_write)
die("Cannot start up without running Redis %s write database! See also NO_REDIS_REQUIRED parameter.",
endpoint_print_buf(&rtpe_config.redis_write_ep));
}
if (!is_addr_unspecified(&rtpe_config.redis_ep.address)) {
rtpe_redis = redis_new(&rtpe_config.redis_ep, rtpe_config.redis_db, rtpe_config.redis_auth, rtpe_redis_write ? ANY_REDIS_ROLE : MASTER_REDIS_ROLE, rtpe_config.no_redis_required);
rtpe_redis_notify = redis_new(&rtpe_config.redis_ep, rtpe_config.redis_db, rtpe_config.redis_auth, rtpe_redis_write ? ANY_REDIS_ROLE : MASTER_REDIS_ROLE, rtpe_config.no_redis_required);
if (!rtpe_redis || !rtpe_redis_notify)
die("Cannot start up without running Redis %s database! See also NO_REDIS_REQUIRED parameter.",
endpoint_print_buf(&rtpe_config.redis_ep));
if (!rtpe_redis_write)
rtpe_redis_write = rtpe_redis;
}
daemonize();
wpidfile();
homer_sender_init(&rtpe_config.homer_ep, rtpe_config.homer_protocol, rtpe_config.homer_id);
rtcp_init(); // must come after Homer init
if (rtpe_redis) {
// start redis restore timer
gettimeofday(&redis_start, NULL);
// restore
if (redis_restore(rtpe_redis))
die("Refusing to continue without working Redis database");
// stop redis restore timer
gettimeofday(&redis_stop, NULL);
// print redis restore duration
redis_diff += timeval_diff(&redis_stop, &redis_start) / 1000.0;
ilog(LOG_INFO, "Redis restore time = %.0lf ms", redis_diff);
}
gettimeofday(&rtpe_latest_graphite_interval_start, NULL);
timeval_from_us(&tmp_tv, (long long) rtpe_config.graphite_interval*1000000);
set_graphite_interval_tv(&tmp_tv);
}
static void create_everything(struct main_context *ctx) {
struct callmaster_config mc;
struct control_tcp *ct;
struct control_udp *cu;
struct control_ng *cn;
struct cli *cl;
int kfd = -1;
struct timeval tmp_tv;
struct timeval redis_start, redis_stop;
double redis_diff = 0;
if (table < 0)
goto no_kernel;
if (kernel_create_table(table)) {
fprintf(stderr, "FAILED TO CREATE KERNEL TABLE %i, KERNEL FORWARDING DISABLED\n", table);
ilog(LOG_CRIT, "FAILED TO CREATE KERNEL TABLE %i, KERNEL FORWARDING DISABLED\n", table);
if (no_fallback)
exit(-1);
goto no_kernel;
}
kfd = kernel_open_table(table);
if (kfd == -1) {
fprintf(stderr, "FAILED TO OPEN KERNEL TABLE %i, KERNEL FORWARDING DISABLED\n", table);
ilog(LOG_CRIT, "FAILED TO OPEN KERNEL TABLE %i, KERNEL FORWARDING DISABLED\n", table);
if (no_fallback)
exit(-1);
goto no_kernel;
}
no_kernel:
ctx->p = poller_new();
if (!ctx->p)
die("poller creation failed");
ctx->m = callmaster_new(ctx->p);
if (!ctx->m)
die("callmaster creation failed");
dtls_timer(ctx->p);
ZERO(mc);
rwlock_init(&mc.config_lock);
mc.kernelfd = kfd;
mc.kernelid = table;
if (max_sessions < -1) {
max_sessions = -1;
}
mc.max_sessions = max_sessions;
mc.timeout = timeout;
mc.silent_timeout = silent_timeout;
mc.final_timeout = final_timeout;
mc.delete_delay = delete_delay;
mc.default_tos = tos;
mc.b2b_url = b2b_url;
mc.fmt = xmlrpc_fmt;
mc.graphite_ep = graphite_ep;
mc.graphite_interval = graphite_interval;
mc.redis_subscribed_keyspaces = g_queue_copy(&keyspaces);
if (redis_num_threads < 1) {
#ifdef _SC_NPROCESSORS_ONLN
redis_num_threads = sysconf( _SC_NPROCESSORS_ONLN );
#endif
if (redis_num_threads < 1) {
redis_num_threads = REDIS_RESTORE_NUM_THREADS;
}
}
mc.redis_num_threads = redis_num_threads;
ct = NULL;
if (tcp_listen_ep.port) {
ct = control_tcp_new(ctx->p, &tcp_listen_ep, ctx->m);
if (!ct)
die("Failed to open TCP control connection port");
}
cu = NULL;
if (udp_listen_ep.port) {
interfaces_exclude_port(udp_listen_ep.port);
cu = control_udp_new(ctx->p, &udp_listen_ep, ctx->m);
if (!cu)
die("Failed to open UDP control connection port");
}
cn = NULL;
if (ng_listen_ep.port) {
interfaces_exclude_port(ng_listen_ep.port);
cn = control_ng_new(ctx->p, &ng_listen_ep, ctx->m);
if (!cn)
die("Failed to open UDP control connection port");
}
cl = NULL;
if (cli_listen_ep.port) {
interfaces_exclude_port(cli_listen_ep.port);
cl = cli_new(ctx->p, &cli_listen_ep, ctx->m);
if (!cl)
die("Failed to open UDP CLI connection port");
}
if (!is_addr_unspecified(&redis_write_ep.address)) {
mc.redis_write = redis_new(&redis_write_ep, redis_write_db, redis_write_auth, ANY_REDIS_ROLE, no_redis_required);
if (!mc.redis_write)
die("Cannot start up without running Redis %s write database! See also NO_REDIS_REQUIRED paramter.",
endpoint_print_buf(&redis_write_ep));
}
if (!is_addr_unspecified(&redis_ep.address)) {
mc.redis = redis_new(&redis_ep, redis_db, redis_auth, mc.redis_write ? ANY_REDIS_ROLE : MASTER_REDIS_ROLE, no_redis_required);
mc.redis_notify = redis_new(&redis_ep, redis_db, redis_auth, mc.redis_write ? ANY_REDIS_ROLE : MASTER_REDIS_ROLE, no_redis_required);
if (!mc.redis || !mc.redis_notify)
die("Cannot start up without running Redis %s database! See also NO_REDIS_REQUIRED paramter.",
endpoint_print_buf(&redis_ep));
if (!mc.redis_write)
mc.redis_write = mc.redis;
}
mc.redis_expires_secs = redis_expires;
ctx->m->conf = mc;
if (!foreground)
daemonize();
wpidfile();
ctx->m->homer = homer_sender_new(&homer_ep, homer_protocol, homer_id);
if (mc.redis) {
// start redis restore timer
gettimeofday(&redis_start, NULL);
// restore
if (redis_restore(ctx->m, mc.redis))
die("Refusing to continue without working Redis database");
// stop redis restore timer
gettimeofday(&redis_stop, NULL);
// print redis restore duration
redis_diff += timeval_diff(&redis_stop, &redis_start) / 1000.0;
ilog(LOG_INFO, "Redis restore time = %.0lf ms", redis_diff);
}
gettimeofday(&ctx->m->latest_graphite_interval_start, NULL);
timeval_from_us(&tmp_tv, graphite_interval*1000000);
set_graphite_interval_tv(&tmp_tv);
}
