pep_activity.c
changeset 29 23fa36d480fb
child 31 e404cd1c7077
equal deleted inserted replaced
28:c035fbbab184 29:23fa36d480fb
       
     1 /*
       
     2  * pep_activity.c       -- Pep activity events
       
     3  *
       
     4  * Copyright (C) 2009-2012 Myhailo Danylenko <isbear@ukrpost.net>
       
     5  *
       
     6  * This program is free software; you can redistribute it and/or modify
       
     7  * it under the terms of the GNU General Public License as published by
       
     8  * the Free Software Foundation; either version 2 of the License, or (at
       
     9  * your option) any later version.
       
    10  *
       
    11  * This program is distributed in the hope that it will be useful, but
       
    12  * WITHOUT ANY WARRANTY; without even the implied warranty of
       
    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       
    14  * General Public License for more details.
       
    15  *
       
    16  * You should have received a copy of the GNU General Public License
       
    17  * along with this program; if not, write to the Free Software
       
    18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
       
    19  * USA
       
    20  */
       
    21 
       
    22 #include <glib.h>
       
    23 #include <loudmouth/loudmouth.h>
       
    24 #include <string.h>
       
    25 
       
    26 #include <mcabber/utils.h>
       
    27 #include <mcabber/logprint.h>
       
    28 #include <mcabber/hooks.h>
       
    29 #include <mcabber/modules.h>
       
    30 #include <mcabber/xmpp.h>
       
    31 #include <mcabber/xmpp_helper.h>
       
    32 
       
    33 #include "pep.h"
       
    34 #include "activity.h"
       
    35 
       
    36 #include "config.h"
       
    37 
       
    38 //
       
    39 //  module description
       
    40 //
       
    41 
       
    42 void pep_activity_init   (void);
       
    43 void pep_activity_uninit (void);
       
    44 
       
    45 #define DESCRIPTION ( "PEP activity support" )
       
    46 static const gchar *deps[] = { "pep", NULL };
       
    47 
       
    48 static module_info_t info_activity_dev = {
       
    49 	.branch       = "dev",
       
    50 	.api          = 20,
       
    51 	.version      = PROJECT_VERSION,
       
    52 	.description  = DESCRIPTION,
       
    53 	.requires     = deps,
       
    54 	.init         = pep_activity_init,
       
    55 	.uninit       = pep_activity_uninit,
       
    56 	.next         = NULL,
       
    57 };
       
    58 
       
    59 static module_info_t info_activity_0_10_1 = {
       
    60 	.branch       = "0.10.1",
       
    61 	.api          = 1,
       
    62 	.version      = PROJECT_VERSION,
       
    63 	.description  = DESCRIPTION,
       
    64 	.requires     = deps,
       
    65 	.init         = pep_activity_init,
       
    66 	.uninit       = pep_activity_uninit,
       
    67 	.next         = &info_activity_dev,
       
    68 };
       
    69 
       
    70 module_info_t info_pep_activity = {
       
    71 	.branch       = "0.10.0",
       
    72 	.api          = 1,
       
    73 	.version      = PROJECT_VERSION,
       
    74 	.description  = DESCRIPTION,
       
    75 	.requires     = deps,
       
    76 	.init         = pep_activity_init,
       
    77 	.uninit       = pep_activity_uninit,
       
    78 	.next         = &info_activity_0_10_1,
       
    79 };
       
    80 
       
    81 //
       
    82 //  globals
       
    83 //
       
    84 
       
    85 static GQuark            activity_gerror_quark    = 0;
       
    86 static gboolean          activity_delayed         = FALSE;
       
    87 static guint             activity_hid_connect     = 0;
       
    88 static guint             activity_hid_disconnect  = 0;
       
    89 static guint             activity_hid_activityout = 0;
       
    90 static gchar            *activity_major           = NULL;
       
    91 static gchar            *activity_minor           = NULL;
       
    92 static gchar            *activity_text            = NULL;
       
    93 static LmMessageHandler *activity_reply_handler   = NULL;
       
    94 
       
    95 //
       
    96 //  code
       
    97 //
       
    98 
       
    99 static LmHandlerResult activity_publish_reply_handler (LmMessageHandler *handler, LmConnection *connection, LmMessage *message, gpointer userdata)
       
   100 {
       
   101 	switch (lm_message_get_sub_type (message)) {
       
   102 	case LM_MESSAGE_SUB_TYPE_RESULT:
       
   103 		break;
       
   104 	
       
   105 	case LM_MESSAGE_SUB_TYPE_ERROR:
       
   106 		
       
   107 		{
       
   108 			LmMessageNode *node   = lm_message_get_node (message);
       
   109 			const gchar   *type;
       
   110 			const gchar   *reason;
       
   111 
       
   112 			node = lm_message_node_get_child (node, "error");
       
   113 			type = lm_message_node_get_attribute (node, "type");
       
   114 			if (node->children)
       
   115 				reason = node->children->name;
       
   116 			else
       
   117 				reason = "undefined";
       
   118 
       
   119 			scr_log_print (LPRINT_LOGNORM, "activity: Publish failed: %s - %s", type, reason);
       
   120 		}
       
   121 
       
   122 		break;
       
   123 	
       
   124 	default:
       
   125 		return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
       
   126 		break;
       
   127 	}
       
   128 
       
   129 	return LM_HANDLER_RESULT_REMOVE_MESSAGE;
       
   130 }
       
   131 
       
   132 void activity_publish (const gchar *major, const gchar *minor, const gchar *text)
       
   133 {
       
   134 	if (!xmpp_is_online ()) {
       
   135 		g_free (activity_major);
       
   136 		g_free (activity_minor);
       
   137 		g_free (activity_text);
       
   138 
       
   139 		activity_major   = g_strdup (major);
       
   140 		activity_minor   = g_strdup (minor);
       
   141 		activity_text    = g_strdup (text);
       
   142 		activity_delayed = TRUE;
       
   143 
       
   144 		return;
       
   145 	}
       
   146 
       
   147 	LmMessage     *request = lm_message_new_with_sub_type (NULL, LM_MESSAGE_TYPE_IQ, LM_MESSAGE_SUB_TYPE_SET);
       
   148 	LmMessageNode *node    = lm_message_get_node (request);
       
   149 	lm_message_node_set_attribute (node, "from", lm_connection_get_jid (lconnection));
       
   150 
       
   151 	node = lm_message_node_add_child (node, "pubsub", NULL);
       
   152 	lm_message_node_set_attribute (node, "xmlns", NS_PUBSUB);
       
   153 
       
   154 	node = lm_message_node_add_child (node, "publish", NULL);
       
   155 	lm_message_node_set_attribute (node, "node", NS_ACTIVITY);
       
   156 
       
   157 	node = lm_message_node_add_child (node, "item", NULL);
       
   158 
       
   159 	node = lm_message_node_add_child (node, "activity", NULL);
       
   160 	lm_message_node_set_attribute (node, "xmlns", NS_ACTIVITY);
       
   161 
       
   162 	if (major) {
       
   163 		LmMessageNode *mnode = lm_message_node_add_child (node, major, NULL);
       
   164 
       
   165 		if (minor)
       
   166 			lm_message_node_add_child (mnode, minor, NULL);
       
   167 	}
       
   168 
       
   169 	if (text)
       
   170 		lm_message_node_add_child (node, "text", text);
       
   171 
       
   172 	{ // send
       
   173 		GError *error = NULL;
       
   174 
       
   175 		lm_connection_send_with_reply (lconnection, request, activity_reply_handler, &error);
       
   176 
       
   177 		if (error) {
       
   178 			scr_log_print (LPRINT_DEBUG, "activity: Publish failed: %s.", error -> message);
       
   179 			g_error_free (error);
       
   180 		}
       
   181 	}
       
   182 
       
   183 	lm_message_unref (request);
       
   184 }
       
   185 
       
   186 gboolean activity_request ( const gchar *to, GError **err )
       
   187 {
       
   188 	LmMessage     *request;
       
   189 	LmMessageNode *node;
       
   190 
       
   191 	if ( ! xmpp_is_online () ) {
       
   192 		g_set_error ( err, activity_gerror_quark, ACTIVITY_ERROR_NOTCONNECTED, "You are not connected" );
       
   193 		return FALSE;
       
   194 	}
       
   195 
       
   196 	request = lm_message_new_with_sub_type (to, LM_MESSAGE_TYPE_IQ, LM_MESSAGE_SUB_TYPE_GET);
       
   197 	node = lm_message_get_node (request);
       
   198 	lm_message_node_set_attribute (node, "from", lm_connection_get_jid (lconnection));
       
   199 
       
   200 	node = lm_message_node_add_child (node, "pubsub", NULL);
       
   201 	lm_message_node_set_attribute (node, "xmlns", NS_PUBSUB);
       
   202 
       
   203 	node = lm_message_node_add_child (node, "items", NULL);
       
   204 	lm_message_node_set_attribute (node, "node", NS_ACTIVITY);
       
   205 
       
   206 	{ // send, result will be handled by pep
       
   207 		GError *error = NULL;
       
   208 
       
   209 		lm_connection_send (lconnection, request, &error);
       
   210 
       
   211 		if (error) {
       
   212 			g_propagate_error ( err, error );
       
   213 			return FALSE;
       
   214 		}
       
   215 	}
       
   216 
       
   217 	lm_message_unref (request);
       
   218 
       
   219 	return TRUE;
       
   220 }
       
   221 
       
   222 static void activity_handler ( const gchar *from, const gchar *enode, LmMessageNode *n, const gchar *id, gpointer ignore )
       
   223 {
       
   224 	LmMessageNode *node;
       
   225 	hk_arg_t args[] = {
       
   226 		{ "major", NULL },
       
   227 		{ "minor", NULL },
       
   228 		{ "text",  NULL },
       
   229 		{ "from",  from },
       
   230 		{ NULL,    NULL },
       
   231 	};
       
   232 
       
   233 	for ( node = n -> children; node; node = node -> next ) {
       
   234 		const gchar *name = node -> name;
       
   235 
       
   236 		if ( ! strcmp ( name, "text" ) )
       
   237 			args[2].value = lm_message_node_get_value ( node );
       
   238 		else {
       
   239 			LmMessageNode *mnode = node -> children;
       
   240 
       
   241 			if ( mnode ) // XXX check for xmlns presence?
       
   242 				args[1].value = mnode -> name;
       
   243 
       
   244 			args[0].value = name;
       
   245 		}
       
   246 	}
       
   247 
       
   248 	hk_run_handlers ( HOOK_ACTIVITY_IN, args );
       
   249 }
       
   250 
       
   251 static guint activity_hch ( const gchar *hid, hk_arg_t *args, gpointer userdata )
       
   252 {
       
   253 	if (activity_delayed) {
       
   254 		gchar *tmp_major = activity_major;
       
   255 		gchar *tmp_minor = activity_minor;
       
   256 		gchar *tmp_text  = activity_text;
       
   257 
       
   258 		activity_delayed = FALSE;
       
   259 		activity_major = activity_minor = activity_text = NULL;
       
   260 
       
   261 		activity_publish (tmp_major, tmp_minor, tmp_text);
       
   262 
       
   263 		g_free (tmp_major);
       
   264 		g_free (tmp_minor);
       
   265 		g_free (tmp_text);
       
   266 	}
       
   267 
       
   268 	return HOOK_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
       
   269 }
       
   270 
       
   271 static guint activity_hdh ( const gchar *hid, hk_arg_t *args, gpointer userdata )
       
   272 {
       
   273 #ifdef HAVE_LM_CONNECTION_UNREGISTER_REPLY_HANDLER
       
   274 	if ( lconnection && activity_reply_handler )
       
   275 		lm_connection_unregister_reply_handler ( lconnection, activity_reply_handler );
       
   276 #endif
       
   277 
       
   278 	return HOOK_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
       
   279 }
       
   280 
       
   281 static guint activity_haoh ( const gchar *hid, hk_arg_t *args, gpointer userdata )
       
   282 {
       
   283 	const gchar *minor = NULL;
       
   284 	const gchar *major = NULL;
       
   285 	const gchar *text  = NULL;
       
   286 
       
   287 	{
       
   288 		hk_arg_t *arg;
       
   289 		for ( arg = args; arg -> name; arg ++ ) {
       
   290 			const gchar *value = arg -> value;
       
   291 			if ( value ) {
       
   292 				const gchar *name = arg -> name;
       
   293 				if ( ! strcmp ( name, "major" ) )
       
   294 					major = value;
       
   295 				else if ( ! strcmp ( name, "minor" ) )
       
   296 					minor = value;
       
   297 				else if ( !strcmp ( name, "text" ) )
       
   298 					text = value;
       
   299 			}
       
   300 		}
       
   301 	}
       
   302 
       
   303 	activity_publish ( major, minor, text );
       
   304 
       
   305 	return HOOK_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
       
   306 }
       
   307 
       
   308 void pep_activity_init (void)
       
   309 {
       
   310 	activity_gerror_quark = g_quark_from_string ( "pep-activity-gerror-quark" );
       
   311 
       
   312 	activity_reply_handler = lm_message_handler_new (activity_publish_reply_handler, NULL, NULL);
       
   313 
       
   314 	pep_register_xmlns_handler (NS_ACTIVITY, activity_handler, NULL, NULL);
       
   315 
       
   316 	activity_hid_connect     = hk_add_handler (activity_hch,  HOOK_POST_CONNECT, G_PRIORITY_DEFAULT, NULL);
       
   317 	activity_hid_disconnect  = hk_add_handler (activity_hdh,  HOOK_PRE_DISCONNECT, G_PRIORITY_DEFAULT, NULL);
       
   318 	activity_hid_activityout = hk_add_handler (activity_haoh, HOOK_ACTIVITY_OUT, G_PRIORITY_DEFAULT, NULL);
       
   319 
       
   320 	xmpp_add_feature ( NS_ACTIVITY        );
       
   321 	xmpp_add_feature ( NS_ACTIVITY_NOTIFY );
       
   322 }
       
   323 
       
   324 void pep_activity_uninit (void)
       
   325 {
       
   326 	xmpp_del_feature ( NS_ACTIVITY        );
       
   327 	xmpp_del_feature ( NS_ACTIVITY_NOTIFY );
       
   328 
       
   329 	hk_del_handler ( HOOK_POST_CONNECT,   activity_hid_connect );
       
   330 	hk_del_handler ( HOOK_PRE_DISCONNECT, activity_hid_disconnect );
       
   331 	hk_del_handler ( HOOK_ACTIVITY_OUT,   activity_hid_activityout );
       
   332 
       
   333 	pep_unregister_xmlns_handler ( NS_ACTIVITY );
       
   334 
       
   335 #ifdef HAVE_LM_CONNECTION_UNREGISTER_REPLY_HANDLER
       
   336 	if (lconnection)
       
   337 		lm_connection_unregister_reply_handler (lconnection, activity_reply_handler);
       
   338 #endif
       
   339 	lm_message_handler_invalidate (activity_reply_handler);
       
   340 	lm_message_handler_unref (activity_reply_handler);
       
   341 
       
   342 	g_free (activity_major);
       
   343 	g_free (activity_minor);
       
   344 	g_free (activity_text);
       
   345 }
       
   346 
       
   347 /* vim: se ts=4 sw=4: */