libpurple/protocols/bonjour/dns_sd.c

changeset 17616
89da87084d2f
parent 17604
52188c694f77
parent 17615
097f85a5f96e
child 17617
6e6ab16f7300
child 18110
ca7451f64bdf
--- a/libpurple/protocols/bonjour/dns_sd.c	Wed Jun 06 00:17:06 2007 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,387 +0,0 @@
-/*
- *  This program is free 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 2 of the License, or
- *  (at your option) any later version.
- *
- *  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 Library 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 <string.h>
-
-#include "dns_sd.h"
-#include "bonjour.h"
-#include "buddy.h"
-#include "debug.h"
-
-/* Private functions */
-
-static sw_result HOWL_API
-_publish_reply(sw_discovery discovery, sw_discovery_oid oid,
-			   sw_discovery_publish_status status, sw_opaque extra)
-{
-	purple_debug_warning("bonjour", "_publish_reply --> Start\n");
-
-	/* Check the answer from the mDNS daemon */
-	switch (status)
-	{
-		case SW_DISCOVERY_PUBLISH_STARTED :
-			purple_debug_info("bonjour", "_publish_reply --> Service started\n");
-			break;
-		case SW_DISCOVERY_PUBLISH_STOPPED :
-			purple_debug_info("bonjour", "_publish_reply --> Service stopped\n");
-			break;
-		case SW_DISCOVERY_PUBLISH_NAME_COLLISION :
-			purple_debug_info("bonjour", "_publish_reply --> Name collision\n");
-			break;
-		case SW_DISCOVERY_PUBLISH_INVALID :
-			purple_debug_info("bonjour", "_publish_reply --> Service invalid\n");
-			break;
-	}
-
-	return SW_OKAY;
-}
-
-static sw_result HOWL_API
-_resolve_reply(sw_discovery discovery, sw_discovery_oid oid,
-			   sw_uint32 interface_index, sw_const_string name,
-			   sw_const_string type, sw_const_string domain,
-			   sw_ipv4_address address, sw_port port,
-			   sw_octets text_record, sw_ulong text_record_len,
-			   sw_opaque extra)
-{
-	BonjourBuddy *buddy;
-	PurpleAccount *account = (PurpleAccount*)extra;
-	gchar *txtvers = NULL;
-	gchar *version = NULL;
-	gchar *first = NULL;
-	gchar *phsh = NULL;
-	gchar *status = NULL;
-	gchar *email = NULL;
-	gchar *last = NULL;
-	gchar *jid = NULL;
-	gchar *AIM = NULL;
-	gchar *vc = NULL;
-	gchar *msg = NULL;
-	gint address_length = 16;
-	gchar *ip = NULL;
-	sw_text_record_iterator iterator;
-	char key[SW_TEXT_RECORD_MAX_LEN];
-	char value[SW_TEXT_RECORD_MAX_LEN];
-	sw_uint32 value_length;
-
-	sw_discovery_cancel(discovery, oid);
-
-	/* Get the ip as a string */
-	ip = malloc(address_length);
-	sw_ipv4_address_name(address, ip, address_length);
-
-	/* Obtain the parameters from the text_record */
-	if ((text_record_len > 0) && (text_record) && (*text_record != '\0'))
-	{
-		sw_text_record_iterator_init(&iterator, text_record, text_record_len);
-		while (sw_text_record_iterator_next(iterator, key, (sw_octet *)value, &value_length) == SW_OKAY)
-		{
-			/* Compare the keys with the possible ones and save them on */
-			/* the appropiate place of the buddy_list */
-			if (strcmp(key, "txtvers") == 0) {
-				txtvers = g_strdup(value);
-			} else if (strcmp(key, "version") == 0) {
-				version = g_strdup(value);
-			} else if (strcmp(key, "1st") == 0) {
-				first = g_strdup(value);
-			} else if (strcmp(key, "status") == 0) {
-				status = g_strdup(value);
-			} else if (strcmp(key, "email") == 0) {
-				email = g_strdup(value);
-			} else if (strcmp(key, "last") == 0) {
-				last = g_strdup(value);
-			} else if (strcmp(key, "jid") == 0) {
-				jid = g_strdup(value);
-			} else if (strcmp(key, "AIM") == 0) {
-				AIM = g_strdup(value);
-			} else if (strcmp(key, "vc") == 0) {
-				vc = g_strdup(value);
-			} else if (strcmp(key, "phsh") == 0) {
-				phsh = g_strdup(value);
-			} else if (strcmp(key, "msg") == 0) {
-				msg = g_strdup(value);
-			}
-		}
-	}
-
-	/* Put the parameters of the text_record in a buddy and add the buddy to */
-	/* the buddy list */
-	buddy = bonjour_buddy_new(name, first, port, phsh,
-							  status, email, last, jid, AIM, vc, ip, msg);
-
-	if (bonjour_buddy_check(buddy) == FALSE)
-	{
-		bonjour_buddy_delete(buddy);
-		return SW_DISCOVERY_E_UNKNOWN;
-	}
-
-	/* Add or update the buddy in our buddy list */
-	bonjour_buddy_add_to_purple(account, buddy);
-
-	/* Free all the temporal strings */
-	g_free(txtvers);
-	g_free(version);
-	g_free(first);
-	g_free(last);
-	g_free(status);
-	g_free(email);
-	g_free(jid);
-	g_free(AIM);
-	g_free(vc);
-	g_free(phsh);
-	g_free(msg);
-
-	return SW_OKAY;
-}
-
-static sw_result HOWL_API
-_browser_reply(sw_discovery discovery, sw_discovery_oid oid,
-			   sw_discovery_browse_status status,
-			   sw_uint32 interface_index, sw_const_string name,
-			   sw_const_string type, sw_const_string domain,
-			   sw_opaque_t extra)
-{
-	sw_discovery_resolve_id rid;
-	PurpleAccount *account = (PurpleAccount*)extra;
-	PurpleBuddy *gb = NULL;
-
-	switch (status)
-	{
-		case SW_DISCOVERY_BROWSE_INVALID:
-			purple_debug_warning("bonjour", "_browser_reply --> Invalid\n");
-			break;
-		case SW_DISCOVERY_BROWSE_RELEASE:
-			purple_debug_warning("bonjour", "_browser_reply --> Release\n");
-			break;
-		case SW_DISCOVERY_BROWSE_ADD_DOMAIN:
-			purple_debug_warning("bonjour", "_browser_reply --> Add domain\n");
-			break;
-		case SW_DISCOVERY_BROWSE_ADD_DEFAULT_DOMAIN:
-			purple_debug_warning("bonjour", "_browser_reply --> Add default domain\n");
-			break;
-		case SW_DISCOVERY_BROWSE_REMOVE_DOMAIN:
-			purple_debug_warning("bonjour", "_browser_reply --> Remove domain\n");
-			break;
-		case SW_DISCOVERY_BROWSE_ADD_SERVICE:
-			/* A new peer has joined the network and uses iChat bonjour */
-			purple_debug_info("bonjour", "_browser_reply --> Add service\n");
-			if (g_ascii_strcasecmp(name, account->username) != 0)
-			{
-				if (sw_discovery_resolve(discovery, interface_index, name, type,
-						domain, _resolve_reply, extra, &rid) != SW_OKAY)
-				{
-					purple_debug_warning("bonjour", "_browser_reply --> Cannot send resolve\n");
-				}
-			}
-			break;
-		case SW_DISCOVERY_BROWSE_REMOVE_SERVICE:
-			purple_debug_info("bonjour", "_browser_reply --> Remove service\n");
-			gb = purple_find_buddy((PurpleAccount*)extra, name);
-			if (gb != NULL)
-			{
-				bonjour_buddy_delete(gb->proto_data);
-				purple_blist_remove_buddy(gb);
-			}
-			break;
-		case SW_DISCOVERY_BROWSE_RESOLVED:
-			purple_debug_info("bonjour", "_browse_reply --> Resolved\n");
-			break;
-		default:
-			break;
-	}
-
-	return SW_OKAY;
-}
-
-static int
-_dns_sd_publish(BonjourDnsSd *data, PublishType type)
-{
-	sw_text_record dns_data;
-	sw_result publish_result = SW_OKAY;
-	char portstring[6];
-
-	/* Fill the data for the service */
-	if (sw_text_record_init(&dns_data) != SW_OKAY)
-	{
-		purple_debug_error("bonjour", "Unable to initialize the data for the mDNS.\n");
-		return -1;
-	}
-
-	/* Convert the port to a string */
-	snprintf(portstring, sizeof(portstring), "%d", data->port_p2pj);
-
-	/* Publish standard records */
-	sw_text_record_add_key_and_string_value(dns_data, "txtvers", data->txtvers);
-	sw_text_record_add_key_and_string_value(dns_data, "version", data->version);
-	sw_text_record_add_key_and_string_value(dns_data, "1st", data->first);
-	sw_text_record_add_key_and_string_value(dns_data, "last", data->last);
-	sw_text_record_add_key_and_string_value(dns_data, "port.p2pj", portstring);
-	sw_text_record_add_key_and_string_value(dns_data, "phsh", data->phsh);
-	sw_text_record_add_key_and_string_value(dns_data, "status", data->status);
-	sw_text_record_add_key_and_string_value(dns_data, "vc", data->vc);
-
-	/* Publish extra records */
-	if ((data->email != NULL) && (*data->email != '\0'))
-		sw_text_record_add_key_and_string_value(dns_data, "email", data->email);
-
-	if ((data->jid != NULL) && (*data->jid != '\0'))
-		sw_text_record_add_key_and_string_value(dns_data, "jid", data->jid);
-
-	if ((data->AIM != NULL) && (*data->AIM != '\0'))
-		sw_text_record_add_key_and_string_value(dns_data, "AIM", data->AIM);
-
-	if ((data->msg != NULL) && (*data->msg != '\0'))
-		sw_text_record_add_key_and_string_value(dns_data, "msg", data->msg);
-
-	/* Publish the service */
-	switch (type)
-	{
-		case PUBLISH_START:
-			publish_result = sw_discovery_publish(data->session, 0, data->name, ICHAT_SERVICE, NULL,
-								NULL, data->port_p2pj, sw_text_record_bytes(dns_data), sw_text_record_len(dns_data),
-								_publish_reply, NULL, &data->session_id);
-			break;
-		case PUBLISH_UPDATE:
-			publish_result = sw_discovery_publish_update(data->session, data->session_id,
-								sw_text_record_bytes(dns_data), sw_text_record_len(dns_data));
-			break;
-	}
-	if (publish_result != SW_OKAY)
-	{
-		purple_debug_error("bonjour", "Unable to publish or change the status of the _presence._tcp service.\n");
-		return -1;
-	}
-
-	/* Free the memory used by temp data */
-	sw_text_record_fina(dns_data);
-
-	return 0;
-}
-
-static void
-_dns_sd_handle_packets(gpointer data, gint source, PurpleInputCondition condition)
-{
-	sw_discovery_read_socket((sw_discovery)data);
-}
-
-/* End private functions */
-
-/**
- * Allocate space for the dns-sd data.
- */
-BonjourDnsSd *
-bonjour_dns_sd_new()
-{
-	BonjourDnsSd *data = g_new0(BonjourDnsSd, 1);
-
-	return data;
-}
-
-/**
- * Deallocate the space of the dns-sd data.
- */
-void
-bonjour_dns_sd_free(BonjourDnsSd *data)
-{
-	g_free(data->first);
-	g_free(data->last);
-	g_free(data->email);
-	g_free(data);
-}
-
-/**
- * Send a new dns-sd packet updating our status.
- */
-void
-bonjour_dns_sd_send_status(BonjourDnsSd *data, const char *status, const char *status_message)
-{
-	g_free(data->status);
-	g_free(data->msg);
-
-	data->status = g_strdup(status);
-	data->msg = g_strdup(status_message);
-
-	/* Update our text record with the new status */
-	_dns_sd_publish(data, PUBLISH_UPDATE); /* <--We must control the errors */
-}
-
-/**
- * Advertise our presence within the dns-sd daemon and start browsing
- * for other bonjour peers.
- */
-gboolean
-bonjour_dns_sd_start(BonjourDnsSd *data)
-{
-	PurpleAccount *account;
-	PurpleConnection *gc;
-	gint dns_sd_socket;
-	sw_discovery_oid session_id;
-
-	account = data->account;
-	gc = purple_account_get_connection(account);
-
-	/* Initialize the dns-sd data and session */
-	if (sw_discovery_init(&data->session) != SW_OKAY)
-	{
-		purple_debug_error("bonjour", "Unable to initialize an mDNS session.\n");
-
-		/* In Avahi, sw_discovery_init frees data->session but doesn't clear it */
-		data->session = NULL;
-
-		return FALSE;
-	}
-
-	/* Publish our bonjour IM client at the mDNS daemon */
-	_dns_sd_publish(data, PUBLISH_START); /* <--We must control the errors */
-
-	/* Advise the daemon that we are waiting for connections */
-	if (sw_discovery_browse(data->session, 0, ICHAT_SERVICE, NULL, _browser_reply,
-			data->account, &session_id) != SW_OKAY)
-	{
-		purple_debug_error("bonjour", "Unable to get service.");
-		return FALSE;
-	}
-
-	/* Get the socket that communicates with the mDNS daemon and bind it to a */
-	/* callback that will handle the dns_sd packets */
-	dns_sd_socket = sw_discovery_socket(data->session);
-	gc->inpa = purple_input_add(dns_sd_socket, PURPLE_INPUT_READ,
-									_dns_sd_handle_packets, data->session);
-
-	return TRUE;
-}
-
-/**
- * Unregister the "_presence._tcp" service at the mDNS daemon.
- */
-void
-bonjour_dns_sd_stop(BonjourDnsSd *data)
-{
-	PurpleAccount *account;
-	PurpleConnection *gc;
-
-	if (data->session == NULL)
-		return;
-
-	sw_discovery_cancel(data->session, data->session_id);
-
-	account = data->account;
-	gc = purple_account_get_connection(account);
-	purple_input_remove(gc->inpa);
-
-	g_free(data->session);
-	data->session = NULL;
-}

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