* Citadel context management stuff.
* Here's where we (hopefully) have all the code that manipulates contexts.
*
- * Copyright (c) 1987-2010 by the citadel.org team
+ * Copyright (c) 1987-2011 by the citadel.org team
*
* This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sysdep.h"
#include "user_ops.h"
#include "control.h"
+int DebugSession = 0;
-
-citthread_key_t MyConKey; /* TSD key for MyContext() */
+pthread_key_t MyConKey; /* TSD key for MyContext() */
CitContext masterCC;
return TERM_NOTALLOWED;
}
- syslog(LOG_DEBUG, "Locating session to kill\n");
+ CONM_syslog(LOG_DEBUG, "Locating session to kill\n");
begin_critical_section(S_SESSION_TABLE);
for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
if (session_num == ccptr->cs_pid) {
* This function is used *VERY* frequently and must be kept small.
*/
CitContext *MyContext(void) {
-
register CitContext *c;
-
- return ((c = (CitContext *) citthread_getspecific(MyConKey),
- c == NULL) ? &masterCC : c
- );
+ return ((c = (CitContext *) pthread_getspecific(MyConKey), c == NULL) ? &masterCC : c);
}
{
CitContext *ccptr;
time_t now;
- int session_to_kill;
int killed = 0;
int longrunners = 0;
now = time(NULL);
- session_to_kill = 0;
begin_critical_section(S_SESSION_TABLE);
for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
- if ( (ccptr!=CC)
- && (config.c_sleeping > 0)
- && (now - (ccptr->lastcmd) > config.c_sleeping) ) {
+ if (
+ (ccptr != CC)
+ && (config.c_sleeping > 0)
+ && (now - (ccptr->lastcmd) > config.c_sleeping)
+ ) {
if (!ccptr->dont_term) {
ccptr->kill_me = KILLME_IDLE;
++killed;
}
- else
- longrunners ++;
+ else {
+ ++longrunners;
+ }
}
}
end_critical_section(S_SESSION_TABLE);
if (killed > 0)
- syslog(LOG_INFO, "Scheduled %d idle sessions for termination\n", killed);
+ CON_syslog(LOG_INFO, "Scheduled %d idle sessions for termination\n", killed);
if (longrunners > 0)
- syslog(LOG_INFO, "Didn't terminate %d protected idle sessions;\n", killed);
+ CON_syslog(LOG_INFO, "Didn't terminate %d protected idle sessions", longrunners);
}
-void terminate_stuck_sessions(void)
+
+/*
+ * During shutdown, close the sockets of any sessions still connected.
+ */
+void terminate_all_sessions(void)
{
CitContext *ccptr;
int killed = 0;
for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
if (ccptr->client_socket != -1)
{
+ CON_syslog(LOG_INFO, "terminate_all_sessions() is murdering %s", ccptr->curr_user);
close(ccptr->client_socket);
ccptr->client_socket = -1;
killed++;
}
}
end_critical_section(S_SESSION_TABLE);
- if (killed > 0)
- syslog(LOG_INFO, "Flushed %d stuck sessions\n", killed);
+ if (killed > 0) {
+ CON_syslog(LOG_INFO, "Flushed %d stuck sessions\n", killed);
+ }
}
void RemoveContext (CitContext *con)
{
const char *c;
- if (con==NULL) {
- syslog(LOG_ERR, "WARNING: RemoveContext() called with NULL!\n");
+ if (con == NULL) {
+ CONM_syslog(LOG_ERR, "WARNING: RemoveContext() called with NULL!");
return;
}
c = con->ServiceName;
- if (c == NULL)
+ if (c == NULL) {
c = "WTF?";
- syslog(LOG_DEBUG, "RemoveContext(%s) session %d\n", c, con->cs_pid);
- cit_backtrace ();
+ }
+ CON_syslog(LOG_DEBUG, "RemoveContext(%s) session %d", c, con->cs_pid);
+/// cit_backtrace();
/* Run any cleanup routines registered by loadable modules.
* Note: We have to "become_session()" because the cleanup functions
become_session(con);
CtdlUserLogout();
PerformSessionHooks(EVT_STOP);
+ client_close(); /* If the client is still connected, blow 'em away. */
become_session(NULL);
- syslog(LOG_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
+ CON_syslog(LOG_NOTICE, "[%3d]SRV[%s] Session ended.", con->cs_pid, c);
/*
* If the client is still connected, blow 'em away.
- * if the socket is 0, its already gone or was never there.
+ * if the socket is 0 or -1, its already gone or was never there.
*/
- if (con->client_socket != 0)
+ if (con->client_socket > 0)
{
- syslog(LOG_DEBUG, "Closing socket %d\n", con->client_socket);
- if (close(con->client_socket)) syslog(LOG_NOTICE, "close() : %s", strerror(errno));
+ CON_syslog(LOG_NOTICE, "Closing socket %d", con->client_socket);
+ close(con->client_socket);
}
/* If using AUTHMODE_LDAP, free the DN */
free(con->ldap_dn);
con->ldap_dn = NULL;
}
-
+ FreeStrBuf(&con->StatusMessage);
FreeStrBuf(&con->MigrateBuf);
FreeStrBuf(&con->RecvBuf.Buf);
if (con->cached_msglist) {
free(con->cached_msglist);
}
- syslog(LOG_DEBUG, "Done with RemoveContext()\n");
+ CONM_syslog(LOG_DEBUG, "Done with RemoveContext()");
}
-
/*
* Initialize a new context and place it in the list. The session number
* used to be the PID (which is why it's called cs_pid), but that was when we
me = (CitContext *) malloc(sizeof(CitContext));
if (me == NULL) {
- syslog(LOG_ALERT, "citserver: can't allocate memory!!\n");
+ CONM_syslog(LOG_ALERT, "citserver: can't allocate memory!!\n");
return NULL;
}
memset(me, 0, sizeof(CitContext));
- /* Give the contaxt a name. Hopefully makes it easier to track */
+
+ /* Give the context a name. Hopefully makes it easier to track */
strcpy (me->user.fullname, "SYS_notauth");
/* The new context will be created already in the CON_EXECUTING state
* the list.
*/
me->MigrateBuf = NewStrBuf();
+
me->RecvBuf.Buf = NewStrBuf();
+
+ me->lastcmd = time(NULL); /* set lastcmd to now to prevent idle timer infanticide TODO: if we have a valid IO, use that to set the timer. */
+
+
begin_critical_section(S_SESSION_TABLE);
me->cs_pid = ++next_pid;
me->prev = NULL;
me->next = ContextList;
- me->lastcmd = time(NULL); /* set lastcmd to now to prevent idle timer infanticide */
ContextList = me;
if (me->next != NULL) {
me->next->prev = me;
me = (CitContext *) malloc(sizeof(CitContext));
if (me == NULL) {
- syslog(LOG_ALERT, "citserver: can't allocate memory!!\n");
+ CONM_syslog(LOG_ALERT, "citserver: can't allocate memory!!\n");
return NULL;
}
memcpy(me, CloneMe, sizeof(CitContext));
if (context->user.usernum == 0)
{ /* old system user with number 0, upgrade it */
context->user.usernum = get_new_user_number();
- syslog(LOG_DEBUG, "Upgrading system user \"%s\" from user number 0 to user number %ld\n", context->user.fullname, context->user.usernum);
+ CON_syslog(LOG_INFO, "Upgrading system user \"%s\" from user number 0 to user number %ld\n", context->user.fullname, context->user.usernum);
/* add user to the database */
CtdlPutUser(&(context->user));
cdb_store(CDB_USERSBYNUMBER, &(context->user.usernum), sizeof(long), context->user.fullname, strlen(context->user.fullname)+1);
}
}
-/*
- * flush it again...
- */
-void CtdlClearSystemContext(void)
-{
- CitContext *CCC = MyContext();
-
- memset(CCC, 0, sizeof(CitContext));
- citthread_setspecific(MyConKey, NULL);
-}
/*
* Cleanup any contexts that are left lying around
rem = ptr->next;
--num_sessions;
- syslog(LOG_DEBUG, "context_cleanup(): Purging session #%d %s\n", ptr->cs_pid, ptr->ServiceName);
+ CON_syslog(LOG_DEBUG, "context_cleanup(): purging session %d\n", ptr->cs_pid);
RemoveContext(ptr);
free (ptr);
ptr = rem;
* is allocated privately on this thread's stack.
*/
while (rem != NULL) {
- syslog(LOG_DEBUG, "dead_session_purge(): purging session %d, reason=%d\n", rem->cs_pid, rem->kill_me);
+ CON_syslog(LOG_DEBUG, "dead_session_purge(): purging session %d, reason=%d\n", rem->cs_pid, rem->kill_me);
RemoveContext(rem);
ptr = rem;
rem = rem->next;
* function initializes it.
*/
void InitializeMasterCC(void) {
- memset(&masterCC, 0, sizeof( CitContext));
+ memset(&masterCC, 0, sizeof(struct CitContext));
masterCC.internal_pgm = 1;
masterCC.cs_pid = 0;
}
*/
void set_async_waiting(struct CitContext *ccptr)
{
- syslog(LOG_DEBUG, "Setting async_waiting flag for session %d\n", ccptr->cs_pid);
+ CON_syslog(LOG_DEBUG, "Setting async_waiting flag for session %d\n", ccptr->cs_pid);
if (ccptr->is_async) {
ccptr->async_waiting++;
if (ccptr->state == CON_IDLE) {
}
}
}
+
+
+void DebugSessionEnable(const int n)
+{
+ DebugSession = n;
+}
+CTDL_MODULE_INIT(session)
+{
+ if (!threading) {
+ CtdlRegisterDebugFlagHook(HKEY("session"), DebugSessionEnable, &DebugSession);
+ }
+ return "session";
+}
projects / citadel.git / blobdiff