bool nofork = false;
bool unlimitcore = false;
-time_t TIME = time(NULL);
+time_t TIME = time(NULL), OLDTIME = time(NULL);
#ifdef USE_KQUEUE
-int kq;
+int kq, lkq, skq;
#endif
namespace nspace
lowermap[']'] = '}';
lowermap['\\'] = '|';
-#ifdef USE_KQUEUE
- kq = kqueue();
- if (kq == -1)
- {
- log(DEFAULT,"main: kqueue() failed!");
- printf("ERROR: could not initialise kqueue event system. Shutting down.\n");
- Exit(ERROR);
- }
-#endif
-
if (InspIRCd(argv,argc) == ERROR)
{
log(DEFAULT,"main: daemon function bailed");
#ifdef USE_KQUEUE
struct kevent ke;
+ log(DEBUG,"kqueue: Add user to events, kq=%d socket=%d",kq,socket);
EV_SET(&ke, socket, EVFILT_READ, EV_ADD, 0, 0, NULL);
int i = kevent(kq, &ke, 1, 0, 0, NULL);
if (i == -1)
{
+ switch (errno)
+ {
+ case EACCES:
+ log(DEBUG,"kqueue: EACCES");
+ break;
+ case EFAULT:
+ log(DEBUG,"kqueue: EFAULT");
+ break;
+ case EBADF:
+ log(DEBUG,"kqueue: EBADF=%d",ke.ident);
+ break;
+ case EINTR:
+ log(DEBUG,"kqueue: EINTR");
+ break;
+ case EINVAL:
+ log(DEBUG,"kqueue: EINVAL");
+ break;
+ case ENOENT:
+ log(DEBUG,"kqueue: ENOENT");
+ break;
+ case ENOMEM:
+ log(DEBUG,"kqueue: ENOMEM");
+ break;
+ case ESRCH:
+ log(DEBUG,"kqueue: ESRCH");
+ break;
+ default:
+ log(DEBUG,"kqueue: UNKNOWN!");
+ break;
+ }
log(DEBUG,"kqueue: Failed to add user to queue!");
}
s1 = savept;
v2 = strtok_r(s1," ",&savept);
s1 = savept;
- snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu)",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION);
+#ifdef USE_KQUEUE
+ char socketengine[] = "kqueue";
+#else
+ char socketengine[] = "select";
+#endif
+ snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
return versiondata;
}
WritePID(PID);
/* setup select call */
+#ifndef USE_KQUEUE
FD_ZERO(&selectFds);
+#endif
log(DEBUG,"InspIRCd: startup: zero selects");
log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
}
}
+ // BUGFIX: We cannot initialize this before forking, as the kqueue data is not inherited by child processes!
+#ifdef USE_KQUEUE
+ kq = kqueue();
+ lkq = kqueue();
+ skq = kqueue();
+ if ((kq == -1) || (lkq == -1) || (skq == -1))
+ {
+ log(DEFAULT,"main: kqueue() failed!");
+ printf("ERROR: could not initialise kqueue event system. Shutting down.\n");
+ Exit(ERROR);
+ }
+#endif
+
+
+#ifdef USE_KQUEUE
+ log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
+ for (count = 0; count < boundPortCount; count++)
+ {
+ struct kevent ke;
+ log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]);
+ EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, 5, NULL);
+ int i = kevent(lkq, &ke, 1, 0, 0, NULL);
+ if (i == -1)
+ {
+ log(DEFAULT,"main: add listen ports to kqueue failed!");
+ printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n");
+ }
+ }
+ for (int t = 0; t != SERVERportCount; t++)
+ {
+ struct kevent ke;
+ if (me[t])
+ {
+ log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd);
+ EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, 5, NULL);
+ int i = kevent(skq, &ke, 1, 0, 0, NULL);
+ if (i == -1)
+ {
+ log(DEFAULT,"main: add server listen ports to kqueue failed!");
+ printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n");
+ }
+ }
+ }
+
+
+#else
+ log(DEFAULT,"Using standard select socket engine.");
+#endif
+
WritePID(PID);
length = sizeof (client);
char tcp_msg[MAXBUF],tcp_host[MAXBUF];
+#ifdef USE_KQUEUE
+ struct kevent ke;
+ struct kevent ke_list[33];
+ struct timespec ts;
+#endif
fd_set serverfds;
timeval tvs;
tvs.tv_usec = 10000L;
tval.tv_usec = 10000L;
tval.tv_sec = 0;
int total_in_this_set = 0;
- int v = 0;
+ int i = 0, v = 0, j = 0, cycle_iter = 0;
bool expire_run = false;
/* main loop, this never returns */
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
#endif
- // poll dns queue
- dns_poll();
+#ifndef USE_KQUEUE
FD_ZERO(&sfd);
+#endif
// we only read time() once per iteration rather than tons of times!
+ OLDTIME = TIME;
TIME = time(NULL);
+ dns_poll();
+
// *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
// them in a list, then reap the list every second or so.
if (((TIME % 5) == 0) && (!expire_run))
// fix by brain - this must be below any manipulation of the hashmap by modules
user_hash::iterator count2 = clientlist.begin();
+#ifdef USE_KQUEUE
+ ts.tv_sec = 0;
+ ts.tv_nsec = 30000L;
+ i = kevent(skq, NULL, 0, &ke, 1, &ts);
+ if (i > 0)
+ {
+ log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident);
+ for (int x = 0; x != SERVERportCount; x++)
+ {
+ if ((me[x]) && (ke.ident == me[x]->fd))
+ {
+
+#else
FD_ZERO(&serverfds);
-
for (int x = 0; x != SERVERportCount; x++)
{
if (me[x])
FD_SET(me[x]->fd, &serverfds);
}
-
- // serverFds timevals went here
-
tvs.tv_usec = 30000L;
tvs.tv_sec = 0;
int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
{
if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
{
+#endif
char remotehost[MAXBUF],resolved[MAXBUF];
length = sizeof (client);
incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
while (count2 != clientlist.end())
{
+#ifndef USE_KQUEUE
FD_ZERO(&sfd);
+#endif
total_in_this_set = 0;
endingiter = count2;
count2 = xcount; // roll back to where we were
#else
- dns_poll();
// KQUEUE: We don't go through a loop to fill the fd_set so instead we must manually do this loop every now and again.
// TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
- while (count2 != clientlist.end())
+ cycle_iter++;
+ if (cycle_iter > 10) while (count2 != clientlist.end())
{
+ cycle_iter = 0;
if (count2 != clientlist.end())
{
curr = count2->second;
v = 0;
#ifdef USE_KQUEUE
- struct kevent ke;
- int fd_to_process = 0;
- struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = 1000L;
// for now, we only read 1 event. We could read soooo many more :)
else
if (result == 0)
{
+#ifndef USE_KQUEUE
if (count2->second)
{
+#endif
log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
kill_link(cu,"Client exited");
// must bail here? kill_link removes the hash, corrupting the iterator
log(DEBUG,"Bailing from client exit");
goto label;
+#ifndef USE_KQUEUE
}
+#endif
}
else if (result > 0)
{
sched_yield();
#endif
+#ifndef USE_KQUEUE
// set up select call
for (count = 0; count < boundPortCount; count++)
{
/* select is reporting a waiting socket. Poll them all to find out which */
if (selectResult > 0)
{
- char target[MAXBUF], resolved[MAXBUF];
- for (count = 0; count < boundPortCount; count++)
+ for (count = 0; count < boundPortCount; count++)
{
if (FD_ISSET (openSockfd[count], &selectFds))
{
+#else
+ ts.tv_sec = 0;
+ ts.tv_nsec = 30000L;
+ i = kevent(lkq, NULL, 0, ke_list, 32, &ts);
+ if (i > 0) for (j = 0; j < i; j++)
+ {
+ log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke.ident);
+ // this isnt as efficient as it could be, we could create a reference table
+ // to reference bound ports by fd, but this isnt a big bottleneck as the actual
+ // number of listening ports on the average ircd is a small number (less than 20)
+ // compared to the number of clients (possibly over 2000)
+ for (count = 0; count < boundPortCount; count++)
+ {
+ if (ke_list[j].ident == openSockfd[count])
+ {
+#endif
+ char target[MAXBUF], resolved[MAXBUF];
length = sizeof (client);
incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
}
- goto label;
+ //goto label;
}
}
}