* Async loop for XMPP sessions (handles the transmission of unsolicited stanzas)
*/
void xmpp_async_loop(void) {
+ xmpp_process_events();
jabber_output_incoming_messages();
}
* Login hook for XMPP sessions
*/
void xmpp_login_hook(void) {
+ xmpp_queue_event(XMPP_EVT_LOGIN, CC->cs_inet_email);
+}
- // we need to somehow alert all xmpp sessions that we are here
- // and do a roster push followed by a presence push
-
- lprintf(CTDL_DEBUG, "LOGIN HOOOOOOOOOOOOOKK!!!\n");
+/*
+ * Logout hook for XMPP sessions
+ */
+void xmpp_logout_hook(void) {
+ xmpp_queue_event(XMPP_EVT_LOGOUT, CC->cs_inet_email);
}
CitadelServiceXMPP);
CtdlRegisterSessionHook(xmpp_cleanup_function, EVT_STOP);
CtdlRegisterSessionHook(xmpp_login_hook, EVT_LOGIN);
+ CtdlRegisterSessionHook(xmpp_login_hook, EVT_LOGOUT);
#else
lprintf(CTDL_INFO, "This server is missing the Expat XML parser. Jabber service will be disabled.\n");
int chardata_len;
int chardata_alloc;
char client_jid[256]; /* "full JID" of the client */
+ int last_event_processed;
char iq_type[256]; /* for <iq> stanzas */
char iq_id[256];
struct xmpp_event {
struct xmpp_event *next;
+ int event_seq;
+ time_t event_time;
int event_type;
char event_jid[256];
};
extern struct xmpp_event *xmpp_queue;
+enum {
+ XMPP_EVT_LOGIN,
+ XMPP_EVT_LOGOUT
+};
+
void xmpp_cleanup_function(void);
void xmpp_greeting(void);
void xmpp_command_loop(void);
+void xmpp_async_loop(void);
void xmpp_sasl_auth(char *, char *);
void xmpp_output_auth_mechs(void);
void xmpp_query_namespace(char *, char *, char *, char *);
void jabber_wholist_presence_dump(void);
void jabber_output_incoming_messages(void);
+void xmpp_queue_event(int, char *);
+void xmpp_process_events(void);
--- /dev/null
+/*
+ * $Id$
+ *
+ * XMPP event queue
+ *
+ * Copyright (c) 2007 by Art Cancro
+ * This code is released under the terms of the GNU General Public License.
+ *
+ */
+
+#include "sysdep.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <pwd.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
+#include <sys/wait.h>
+#include <string.h>
+#include <limits.h>
+#include <ctype.h>
+#include <libcitadel.h>
+#include "citadel.h"
+#include "server.h"
+#include "citserver.h"
+#include "support.h"
+#include "config.h"
+#include "internet_addressing.h"
+#include "md5.h"
+#include "ctdl_module.h"
+
+#ifdef HAVE_EXPAT
+#include <expat.h>
+#include "serv_xmpp.h"
+
+
+
+void xmpp_queue_event(int event_type, char *email_addr) {
+
+ static int seq = 0;
+ struct xmpp_event *xptr = NULL;
+ struct xmpp_event *new_event = NULL;
+ struct xmpp_event *last = NULL;
+ int purged_something = 0;
+ struct CitContext *cptr;
+
+ lprintf(CTDL_DEBUG, "xmpp_queue_event(%d, %s)\n", event_type, email_addr);
+
+ /* Purge events more than a minute old */
+ begin_critical_section(S_XMPP_QUEUE);
+ do {
+ purged_something = 0;
+ if (xmpp_queue != NULL) {
+ if ((time(NULL) - xmpp_queue->event_time) > 60) {
+ xptr = xmpp_queue->next;
+ free(xmpp_queue);
+ xmpp_queue = xptr;
+ purged_something = 1;
+ }
+ }
+ } while(purged_something);
+ end_critical_section(S_XMPP_QUEUE);
+
+ /* Create a new event */
+ new_event = (struct xmpp_event *) malloc(sizeof(struct xmpp_event));
+ new_event->next = NULL;
+ new_event->event_time = time(NULL);
+ new_event->event_seq = ++seq;
+ new_event->event_type = event_type;
+ safestrncpy(new_event->event_jid, email_addr, sizeof new_event->event_jid);
+
+ /* Add it to the list */
+ begin_critical_section(S_XMPP_QUEUE);
+ if (xmpp_queue == NULL) {
+ xmpp_queue = new_event;
+ }
+ else {
+ for (xptr = xmpp_queue; xptr != NULL; xptr = xptr->next) {
+ if (xptr->next == NULL) {
+ last = xptr;
+ }
+ }
+ last->next = new_event;
+ }
+ end_critical_section(S_XMPP_QUEUE);
+
+ /* Tell the sessions that something is happening */
+ for (cptr = ContextList; cptr != NULL; cptr = cptr->next) {
+ if (cptr->h_async_function == xmpp_async_loop) {
+ cptr->async_waiting = 1;
+ }
+ }
+}
+
+
+/*
+ * Are we interested in anything from the queue? (Called in async loop)
+ */
+void xmpp_process_events(void) {
+ struct xmpp_event *xptr = NULL;
+ int highest_event = 0;
+
+ for (xptr=xmpp_queue; xptr!=NULL; xptr=xptr->next) {
+ if (xptr->event_seq > XMPP->last_event_processed) {
+
+ /* FIXME do something */
+
+ if (xptr->event_seq > highest_event) {
+ highest_event = xptr->event_seq;
+ }
+ }
+ }
+
+ XMPP->last_event_processed = highest_event;
+}
+
+
+#endif /* HAVE_EXPAT */