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* Take notifications back out of their own thread, and rely on select timeouts.

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* Increment SystemUpdateID as necessary just before processing new HTTP requests.
This commit is contained in:
Justin Maggard
2009-06-15 22:37:49 +00:00
parent c07d7e7ec4
commit 94989f8b15
4 changed files with 103 additions and 161 deletions
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88
minissdp.c
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@@ -12,7 +12,6 @@
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <errno.h>
#include "config.h"
@@ -20,8 +19,6 @@
#include "minidlnapath.h"
#include "upnphttp.h"
#include "upnpglobalvars.h"
#include "upnpevents.h"
#include "tivo_beacon.h"
#include "minissdp.h"
#include "log.h"
@@ -306,6 +303,7 @@ SendSSDPNotifies2(int * sockets,
unsigned int lifetime)*/
{
int i;
DPRINTF(E_DEBUG, L_SSDP, "Sending SSDP notifies\n");
for(i=0; i<n_lan_addr; i++)
{
SendSSDPNotifies(sockets[i], lan_addr[i].str, port, lifetime);
@@ -498,87 +496,3 @@ SendSSDPGoodbye(int * sockets, int n_sockets)
}
return 0;
}
void *
start_notify(void * arg)
{
struct sockets *s = (struct sockets *)arg;
struct timeval timeofday, lasttimeofday = {0, 0}, lastupdatetime = {0, 0};
int last_changecnt = 0;
#ifdef TIVO_SUPPORT
short int loop_cnt = 0;
#endif
while(1)
{
/* Check if we need to send SSDP NOTIFY messages and do it if needed */
/* Also check if we need to increment our SystemUpdateID
* at most once every 2 seconds */
if(gettimeofday(&timeofday, 0) < 0)
{
DPRINTF(E_ERROR, L_GENERAL, "gettimeofday(): %s\n", strerror(errno));
s->timeout->tv_sec = runtime_vars.notify_interval;
s->timeout->tv_usec = 0;
sleep(2);
continue;
}
/* the comparaison is not very precise but who cares ? */
if(timeofday.tv_sec >= (lasttimeofday.tv_sec + runtime_vars.notify_interval))
{
SendSSDPNotifies2(s->snotify,
runtime_vars.port,
(runtime_vars.notify_interval << 1)+10);
memcpy(&lasttimeofday, &timeofday, sizeof(struct timeval));
s->timeout->tv_sec = runtime_vars.notify_interval;
s->timeout->tv_usec = 0;
}
else
{
s->timeout->tv_sec = lasttimeofday.tv_sec + runtime_vars.notify_interval
- timeofday.tv_sec;
if(timeofday.tv_usec > lasttimeofday.tv_usec)
{
s->timeout->tv_usec = 1000000 + lasttimeofday.tv_usec
- timeofday.tv_usec;
s->timeout->tv_sec--;
}
else
{
s->timeout->tv_usec = lasttimeofday.tv_usec - timeofday.tv_usec;
}
}
if(timeofday.tv_sec >= (lastupdatetime.tv_sec + 2))
{
if( sqlite3_total_changes(db) != last_changecnt )
{
updateID++;
last_changecnt = sqlite3_total_changes(db);
upnp_event_var_change_notify(EContentDirectory);
}
#ifdef TIVO_SUPPORT
if( GETFLAG(TIVOMASK) )
{
if( loop_cnt < 20 )
{
if(loop_cnt % 3 == 0)
sendBeaconMessage(s->sbeacon, &(s->tivo_bcast), sizeof(struct sockaddr_in), 1);
loop_cnt++;
}
else
{
if( loop_cnt == 50 )
{
sendBeaconMessage(s->sbeacon, &(s->tivo_bcast), sizeof(struct sockaddr_in), 1);
loop_cnt = 20;
}
loop_cnt++;
}
}
#endif
memcpy(&lastupdatetime, &timeofday, sizeof(struct timeval));
}
sleep(1);
}
return NULL;
}