mirror of
https://github.com/profanity-im/profanity.git
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514 lines
14 KiB
C
514 lines
14 KiB
C
/*
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* xmpp_conn.c
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*
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* Copyright (C) 2012, 2013 James Booth <boothj5@gmail.com>
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*
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* This file is part of Profanity.
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*
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* Profanity is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Profanity is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Profanity. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <strophe.h>
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#include "chat_session.h"
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#include "common.h"
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#include "contact_list.h"
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#include "jid.h"
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#include "log.h"
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#include "preferences.h"
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#include "profanity.h"
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#include "muc.h"
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#include "xmpp.h"
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static struct _jabber_conn_t {
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xmpp_log_t *log;
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xmpp_ctx_t *ctx;
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xmpp_conn_t *conn;
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jabber_conn_status_t conn_status;
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jabber_presence_t presence_type;
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char *presence_message;
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int priority;
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int tls_disabled;
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} jabber_conn;
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// for auto reconnect
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static struct {
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char *name;
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char *passwd;
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} saved_account;
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static struct {
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char *name;
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char *jid;
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char *passwd;
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char *altdomain;
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} saved_details;
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static GTimer *reconnect_timer;
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static log_level_t _get_log_level(xmpp_log_level_t xmpp_level);
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static xmpp_log_level_t _get_xmpp_log_level();
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static void _xmpp_file_logger(void * const userdata,
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const xmpp_log_level_t level, const char * const area,
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const char * const msg);
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static xmpp_log_t * _xmpp_get_file_logger();
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static jabber_conn_status_t _jabber_connect(const char * const fulljid,
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const char * const passwd, const char * const altdomain);
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static void _jabber_reconnect(void);
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static void _connection_handler(xmpp_conn_t * const conn,
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const xmpp_conn_event_t status, const int error,
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xmpp_stream_error_t * const stream_error, void * const userdata);
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static int _ping_timed_handler(xmpp_conn_t * const conn, void * const userdata);
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void
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jabber_init(const int disable_tls)
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{
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log_info("Initialising XMPP");
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jabber_conn.conn_status = JABBER_STARTED;
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jabber_conn.presence_type = PRESENCE_OFFLINE;
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jabber_conn.presence_message = NULL;
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jabber_conn.tls_disabled = disable_tls;
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presence_init();
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}
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void
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jabber_restart(void)
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{
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jabber_conn.conn_status = JABBER_STARTED;
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jabber_conn.presence_type = PRESENCE_OFFLINE;
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FREE_SET_NULL(jabber_conn.presence_message);
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}
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jabber_conn_status_t
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jabber_connect_with_account(ProfAccount *account, const char * const passwd)
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{
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saved_account.name = strdup(account->name);
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saved_account.passwd = strdup(passwd);
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log_info("Connecting using account: %s", account->name);
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char *fulljid = create_fulljid(account->jid, account->resource);
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jabber_conn_status_t result = _jabber_connect(fulljid, passwd, account->server);
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free(fulljid);
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return result;
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}
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jabber_conn_status_t
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jabber_connect_with_details(const char * const jid,
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const char * const passwd, const char * const altdomain)
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{
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saved_details.name = strdup(jid);
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saved_details.passwd = strdup(passwd);
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if (altdomain != NULL) {
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saved_details.altdomain = strdup(altdomain);
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} else {
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saved_details.altdomain = NULL;
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}
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Jid *jidp = jid_create(jid);
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if (jidp->resourcepart == NULL) {
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jid_destroy(jidp);
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jidp = jid_create_from_bare_and_resource(jid, "profanity");
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saved_details.jid = strdup(jidp->fulljid);
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} else {
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saved_details.jid = strdup(jid);
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}
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jid_destroy(jidp);
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log_info("Connecting without account, JID: %s", saved_details.jid);
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return _jabber_connect(saved_details.jid, passwd, saved_details.altdomain);
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}
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void
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jabber_disconnect(void)
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{
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// if connected, send end stream and wait for response
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if (jabber_conn.conn_status == JABBER_CONNECTED) {
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log_info("Closing connection");
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jabber_conn.conn_status = JABBER_DISCONNECTING;
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xmpp_disconnect(jabber_conn.conn);
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while (jabber_get_connection_status() == JABBER_DISCONNECTING) {
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jabber_process_events();
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}
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jabber_free_resources();
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}
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}
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void
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jabber_process_events(void)
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{
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// run xmpp event loop if connected, connecting or disconnecting
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if (jabber_conn.conn_status == JABBER_CONNECTED
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|| jabber_conn.conn_status == JABBER_CONNECTING
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|| jabber_conn.conn_status == JABBER_DISCONNECTING) {
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xmpp_run_once(jabber_conn.ctx, 10);
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// check timer and reconnect if disconnected and timer set
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} else if (prefs_get_reconnect() != 0) {
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if ((jabber_conn.conn_status == JABBER_DISCONNECTED) &&
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(reconnect_timer != NULL)) {
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if (g_timer_elapsed(reconnect_timer, NULL) > prefs_get_reconnect()) {
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_jabber_reconnect();
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}
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}
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}
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}
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void
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jabber_set_autoping(int seconds)
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{
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if (jabber_conn.conn_status == JABBER_CONNECTED) {
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xmpp_timed_handler_delete(jabber_conn.conn, _ping_timed_handler);
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if (seconds != 0) {
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int millis = seconds * 1000;
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xmpp_timed_handler_add(jabber_conn.conn, _ping_timed_handler, millis,
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jabber_conn.ctx);
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}
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}
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}
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jabber_conn_status_t
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jabber_get_connection_status(void)
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{
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return (jabber_conn.conn_status);
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}
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xmpp_conn_t *
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jabber_get_conn(void)
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{
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return jabber_conn.conn;
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}
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xmpp_ctx_t *
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jabber_get_ctx(void)
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{
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return jabber_conn.ctx;
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}
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const char *
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jabber_get_jid(void)
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{
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return xmpp_conn_get_jid(jabber_conn.conn);
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}
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jabber_presence_t
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jabber_get_presence_type(void)
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{
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return jabber_conn.presence_type;
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}
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char *
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jabber_get_presence_message(void)
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{
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return jabber_conn.presence_message;
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}
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char *
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jabber_get_account_name(void)
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{
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return saved_account.name;
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}
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void
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jabber_conn_set_presence_type(jabber_presence_t presence_type)
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{
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jabber_conn.presence_type = presence_type;
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}
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void
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jabber_conn_set_presence_message(const char * const message)
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{
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FREE_SET_NULL(jabber_conn.presence_message);
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if (message != NULL) {
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jabber_conn.presence_message = strdup(message);
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}
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}
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void
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jabber_conn_set_priority(int priority)
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{
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jabber_conn.priority = priority;
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}
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void
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jabber_free_resources(void)
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{
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FREE_SET_NULL(saved_details.name);
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FREE_SET_NULL(saved_details.jid);
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FREE_SET_NULL(saved_details.passwd);
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FREE_SET_NULL(saved_details.altdomain);
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FREE_SET_NULL(saved_account.name);
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FREE_SET_NULL(saved_account.passwd);
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chat_sessions_clear();
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presence_free_sub_requests();
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xmpp_conn_release(jabber_conn.conn);
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xmpp_ctx_free(jabber_conn.ctx);
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xmpp_shutdown();
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}
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int
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error_handler(xmpp_stanza_t * const stanza)
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{
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gchar *err_msg = NULL;
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gchar *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
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xmpp_stanza_t *error_stanza = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_ERROR);
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xmpp_stanza_t *text_stanza =
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xmpp_stanza_get_child_by_name(error_stanza, STANZA_NAME_TEXT);
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if (error_stanza == NULL) {
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log_debug("error message without <error/> received");
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} else {
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// check for text
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if (text_stanza != NULL) {
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err_msg = xmpp_stanza_get_text(text_stanza);
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prof_handle_error_message(from, err_msg);
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// TODO : process 'type' attribute from <error/> [RFC6120, 8.3.2]
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// otherwise show defined-condition
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} else {
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xmpp_stanza_t *err_cond = xmpp_stanza_get_children(error_stanza);
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if (err_cond == NULL) {
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log_debug("error message without <defined-condition/> or <text/> received");
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} else {
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err_msg = xmpp_stanza_get_name(err_cond);
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prof_handle_error_message(from, err_msg);
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// TODO : process 'type' attribute from <error/> [RFC6120, 8.3.2]
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}
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}
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}
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return 1;
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}
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static jabber_conn_status_t
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_jabber_connect(const char * const fulljid, const char * const passwd,
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const char * const altdomain)
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{
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Jid *jid = jid_create(fulljid);
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if (jid == NULL) {
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log_error("Malformed JID not able to connect: %s", fulljid);
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jabber_conn.conn_status = JABBER_DISCONNECTED;
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return jabber_conn.conn_status;
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} else if (jid->fulljid == NULL) {
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log_error("Full JID required to connect, received: %s", fulljid);
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jabber_conn.conn_status = JABBER_DISCONNECTED;
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return jabber_conn.conn_status;
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}
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jid_destroy(jid);
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log_info("Connecting as %s", fulljid);
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xmpp_initialize();
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jabber_conn.log = _xmpp_get_file_logger();
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jabber_conn.ctx = xmpp_ctx_new(NULL, jabber_conn.log);
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jabber_conn.conn = xmpp_conn_new(jabber_conn.ctx);
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xmpp_conn_set_jid(jabber_conn.conn, fulljid);
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xmpp_conn_set_pass(jabber_conn.conn, passwd);
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if (jabber_conn.tls_disabled)
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xmpp_conn_disable_tls(jabber_conn.conn);
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int connect_status = xmpp_connect_client(jabber_conn.conn, altdomain, 0,
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_connection_handler, jabber_conn.ctx);
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if (connect_status == 0)
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jabber_conn.conn_status = JABBER_CONNECTING;
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else
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jabber_conn.conn_status = JABBER_DISCONNECTED;
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return jabber_conn.conn_status;
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}
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static void
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_jabber_reconnect(void)
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{
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// reconnect with account.
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ProfAccount *account = accounts_get_account(saved_account.name);
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if (account == NULL) {
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log_error("Unable to reconnect, account no longer exists: %s", saved_account.name);
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} else {
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char *fulljid = create_fulljid(account->jid, account->resource);
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log_debug("Attempting reconnect with account %s", account->name);
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_jabber_connect(fulljid, saved_account.passwd, account->server);
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free(fulljid);
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g_timer_start(reconnect_timer);
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}
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}
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static void
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_connection_handler(xmpp_conn_t * const conn,
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const xmpp_conn_event_t status, const int error,
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xmpp_stream_error_t * const stream_error, void * const userdata)
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{
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xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;
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// login success
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if (status == XMPP_CONN_CONNECT) {
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// logged in with account
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if (saved_account.name != NULL) {
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prof_handle_login_account_success(saved_account.name);
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// logged in without account, use details to create new account
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} else {
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accounts_add(saved_details.name, saved_details.altdomain);
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accounts_set_jid(saved_details.name, saved_details.jid);
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prof_handle_login_account_success(saved_details.name);
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saved_account.name = strdup(saved_details.name);
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saved_account.passwd = strdup(saved_details.passwd);
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FREE_SET_NULL(saved_details.name);
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FREE_SET_NULL(saved_details.jid);
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FREE_SET_NULL(saved_details.passwd);
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FREE_SET_NULL(saved_details.altdomain);
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}
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chat_sessions_init();
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message_add_handlers();
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presence_add_handlers();
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iq_add_handlers();
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if (prefs_get_autoping() != 0) {
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int millis = prefs_get_autoping() * 1000;
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xmpp_timed_handler_add(conn, _ping_timed_handler, millis, ctx);
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}
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iq_roster_request();
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jabber_conn.conn_status = JABBER_CONNECTED;
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jabber_conn.presence_type = PRESENCE_ONLINE;
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if (prefs_get_reconnect() != 0) {
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if (reconnect_timer != NULL) {
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g_timer_destroy(reconnect_timer);
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reconnect_timer = NULL;
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}
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}
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} else if (status == XMPP_CONN_DISCONNECT) {
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// lost connection for unkown reason
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if (jabber_conn.conn_status == JABBER_CONNECTED) {
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prof_handle_lost_connection();
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if (prefs_get_reconnect() != 0) {
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assert(reconnect_timer == NULL);
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reconnect_timer = g_timer_new();
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// TODO: free resources but leave saved_user untouched
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} else {
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jabber_free_resources();
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}
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// login attempt failed
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} else if (jabber_conn.conn_status != JABBER_DISCONNECTING) {
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if (reconnect_timer == NULL) {
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prof_handle_failed_login();
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jabber_free_resources();
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} else {
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if (prefs_get_reconnect() != 0) {
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g_timer_start(reconnect_timer);
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}
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// TODO: free resources but leave saved_user untouched
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}
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}
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// close stream response from server after disconnect is handled too
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jabber_conn.conn_status = JABBER_DISCONNECTED;
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jabber_conn.presence_type = PRESENCE_OFFLINE;
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}
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}
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static int
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_ping_timed_handler(xmpp_conn_t * const conn, void * const userdata)
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{
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if (jabber_conn.conn_status == JABBER_CONNECTED) {
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xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;
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xmpp_stanza_t *iq = stanza_create_ping_iq(ctx);
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xmpp_send(conn, iq);
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xmpp_stanza_release(iq);
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}
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return 1;
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}
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static log_level_t
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_get_log_level(xmpp_log_level_t xmpp_level)
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{
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if (xmpp_level == XMPP_LEVEL_DEBUG) {
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return PROF_LEVEL_DEBUG;
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} else if (xmpp_level == XMPP_LEVEL_INFO) {
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return PROF_LEVEL_INFO;
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} else if (xmpp_level == XMPP_LEVEL_WARN) {
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return PROF_LEVEL_WARN;
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} else {
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return PROF_LEVEL_ERROR;
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}
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}
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static xmpp_log_level_t
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_get_xmpp_log_level()
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{
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log_level_t prof_level = log_get_filter();
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if (prof_level == PROF_LEVEL_DEBUG) {
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return XMPP_LEVEL_DEBUG;
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} else if (prof_level == PROF_LEVEL_INFO) {
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return XMPP_LEVEL_INFO;
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} else if (prof_level == PROF_LEVEL_WARN) {
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return XMPP_LEVEL_WARN;
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} else {
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return XMPP_LEVEL_ERROR;
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}
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}
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static void
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_xmpp_file_logger(void * const userdata, const xmpp_log_level_t level,
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const char * const area, const char * const msg)
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{
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log_level_t prof_level = _get_log_level(level);
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log_msg(prof_level, area, msg);
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}
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static xmpp_log_t *
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_xmpp_get_file_logger()
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{
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xmpp_log_level_t level = _get_xmpp_log_level();
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xmpp_log_t *file_log = malloc(sizeof(xmpp_log_t));
|
|
|
|
file_log->handler = _xmpp_file_logger;
|
|
file_log->userdata = &level;
|
|
|
|
return file_log;
|
|
}
|
|
|