--- a/isolationserver/isoserver/src/isosearch.c Tue Feb 02 01:10:06 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,634 +0,0 @@
-/*
-* ============================================================================
-* Name : isosearch.c
-* Part of : isolation server.
-* Version : %version: 17 %
-*
-* Copyright © 2007-2008 Nokia. All rights reserved.
-* Redistribution and use in source and binary forms, with or without modification,
-* are permitted provided that the following conditions are met:
-* Redistributions of source code must retain the above copyright notice, this list
-* of conditions and the following disclaimer.Redistributions in binary form must
-* reproduce the above copyright notice, this list of conditions and the following
-* disclaimer in the documentation and/or other materials provided with the distribution.
-* Neither the name of the Nokia Corporation nor the names of its contributors may be used
-* to endorse or promote products derived from this software without specific prior written
-* permission.
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
-* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
-* SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
-* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
-* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-* ============================================================================
-* Template version: 1.0
-*/
-
-/*! \file
-* Impliments the functions in isosearch.h
-*/
-
-/*! \def For malloc
-*/
-#include <stdlib.h>
-
-/*! \def For string operations
-*/
-#include <string.h>
-
-/*! \def For GHashTable
-*/
-#include <glib/ghash.h>
-
-/*! \def For search related declarations
-*/
-#include "isosearch.h"
-
-/*! \def For globalCon
-*/
-#include "isoservermain.h"
-
-/*! \def For tp_chan_type_search_async
-*/
-#include "tp-chan-type-search-gen.h"
-
-/*! \def For MSG_PRI_NORMAL
-*/
-#include "msgqlib.h"
-
-/*! \def For message_hdr_req
-*/
-#include "isoutils.h"
-
-/*! \def For RESPONSE_QUEUE
-*/
-#include "msgliterals.h"
-
-/*! \struct key_value_struct isoserach.h
-* \brief This struct is used for to form the msg buffer that will be sent to client
-* \var msg As the key/value pairs are read those will be appended to msg
-* \var len is the no. of bytes appended to msg
-*/
-struct key_value_struct
- {
- gchar* msg;
- gint len;
- };
-
-/*! \typedef struct key_value_struct to key_value_struct
-*
-*/
-typedef struct key_value_struct key_value_struct;
-
-
-static void search_result_received_cb ( DBusGProxy *proxy,
- guint contact_handle,
- GHashTable *values,
- gpointer user_data
- );
-
-static void search_state_changed_cb ( DBusGProxy *proxy,
- guint search_state,
- gpointer user_data
- );
-
-static void searchreply_cb( DBusGProxy *proxy, GError *error, gpointer userdata );
-
-
-static void do_search_again( GHashTable* search_hash );
-
-
-
-/*! \brief This function called by action_parse_search parses rmsg and
-* validates the arguments(key/value pairs). If value for any key found missing
-* returns INVALID_PARAMETERES
-*
-* \param rmsg Message which is parsed
-* \param rmsg_len message len
-* \param search_hash parsed key/value pairs are filled into this hash table
-*
-* \return error if any else 0
-*/
-gint parse_for_search( gchar* rmsg, gint rmsg_len, GHashTable* search_hash )
- {
- gint pointer_nav = 0;
- gchar* value_str = NULL;
- gchar* key_str = NULL;
- gint err = 0;
- GValue *value = NULL;
-
- iso_logger( "in parse_for_search");
- //Skip the header field
- pointer_nav += sizeof( message_hdr_req );
-
- while ( '\0' != *( rmsg + pointer_nav ) && pointer_nav < rmsg_len )
- {
- //Copy the key
- err = parse_a_string( rmsg, &key_str, &pointer_nav, rmsg_len );
- if ( err < 0 )
- {
- //if error, return error
- return err;
- }
- //End of message reached and no value found for
- //corresponding key
- if ( '\0' == *( rmsg + pointer_nav ) )
- {
- return INVALID_PARAMETERES;
- }
- //Copy the value
- err = parse_a_string( rmsg, &value_str, &pointer_nav, rmsg_len );
- if ( err < 0 )
- {
- //if error, return error
- return err;
- }
-
- value = g_new0( GValue, 1 );
- g_value_init( value, G_TYPE_STRING );
- g_value_set_string ( value, value_str );
-
-
- //insert the key value pair into the hash table
- g_hash_table_insert ( search_hash, key_str, value );
- }
- iso_logger( "out parse_for_search");
- return 0;
- }
-
-/*! \brief This function is called as a callback to search chan request
-* This function creates a search channel and interface which are
-* used for subsequent search requests. Logically this function is called
-* only once per login session.
-* \remark Not creating a search channel each time is a workaround
-*
-* \param proxy unused
-* \param chan_object_path channel object path to create a new channel
-* \param error if any
-* \param user_data hash table entry(key/value pair)
-*
-* \return void
-*/
-
- void do_search_reply( DBusGProxy *proxy, char *chan_object_path,
- GError *error, gpointer user_data )
- {
- GHashTable *search_hash = ( GHashTable* ) user_data;
- TpChan *search_chan = NULL;
- DBusGProxy *search_iface = NULL;
-
-
- UNUSED_FORMAL_PARAM( proxy );
-
- iso_logger( "in do_search_reply");
- /* Create the object to represent the channel */
- if ( error )
- {
- iso_logger( "Error in do_search_reply");
- //There was an error.. send it to client
- send_response_to_client( globalCon.search_hdr_req, error->code, 0 );
- //Should error be returned to the client ?
- return;
- }
- search_chan = tp_chan_new( globalCon.dbusConn, globalCon.connmgr_bus, chan_object_path,
- TP_IFACE_CHANNEL_TYPE_CONTACT_SEARCH, TP_CONN_HANDLE_TYPE_NONE, 0 );
-
- globalCon.search_chan = search_chan;
-
- g_free(chan_object_path);
-
-
- if ( NULL == search_chan )
- {
- iso_logger( "returning because of search_chan");
- //search chan not created
- //sending to client
- send_response_to_client( globalCon.search_hdr_req, TP_SEARCH_CHAN_ERROR, 0 );
- return ;
- }
- //Get chan interface
- search_iface = tp_chan_get_interface( search_chan,
- TELEPATHY_CHAN_IFACE_CONTACTSEARCH_QUARK );
-
- if ( NULL == search_iface )
- {
- iso_logger( "returning because of search_iface");
- //interface for search chan not created
- //send that to client
- send_response_to_client( globalCon.search_hdr_req, TP_SEARCH_IFACE_ERROR, 0 );
- return ;
- }
-
- //Register for the SearchResultReceived signal
- //ownership of the srch_result->user_data is transfered
- dbus_g_proxy_connect_signal( search_iface, "SearchResultReceived",
- G_CALLBACK( search_result_received_cb ),
- NULL, NULL );
-
-
- //Register for the SearchStateChanged signal
- dbus_g_proxy_connect_signal( search_iface, "SearchStateChanged",
- G_CALLBACK( search_state_changed_cb ),
- NULL , NULL );
- //Call the search on tp
- tp_chan_type_search_async( search_iface, search_hash , searchreply_cb,
- NULL );
-
- iso_logger( "out do_search_reply");
-
-
- }
-
-
-/*! \brief This function is called by action_parse_search to search for fields
-* \remark This function routes the searches to do_search_again if searched more
-* than once. This is a workaround because we are getting the signal callbacks
-* 'n'ths( where n is nth search ) time if search channel is created each time.
-*
-* \param search_hash Hash table having the search key and value pairs to be searched
-*
-* \return void
-*/
-
-gint do_search( GHashTable* search_hash )
- {
-
- iso_logger( "in do_search");
-
- if(globalCon.search_chan == NULL)
- {
- tp_conn_request_channel_async( DBUS_G_PROXY( globalCon.conn ),
- TP_IFACE_CHANNEL_TYPE_CONTACT_SEARCH,
- TP_CONN_HANDLE_TYPE_NONE, 0, TRUE,
- do_search_reply, (gpointer)search_hash ) ;
- }
-
- else
- {
- iso_logger( "calling do_search_again");
- do_search_again(search_hash);
- }
- iso_logger( "out do_search");
-
- return 0;
- }
-
-/*! \brief This function is called if search is done more than once in same login session.
-* \remark This is a workaround because we are getting the signal callbacks
-* 'n'ths( where n is nth search ) time.
-*
-* \param search_hash Hash table having the search key and value pairs to be searched
-*
-* \return void
-*/
-void do_search_again( GHashTable* search_hash )
- {
-
- DBusGProxy *search_iface = NULL;
-
- iso_logger( "in do_search_again");
-
- if ( NULL == globalCon.search_chan )
- {
- iso_logger( "returning because of search_chan");
- //search chan not created
- //sending to client
- send_response_to_client( globalCon.search_hdr_req, TP_SEARCH_CHAN_ERROR, 0 );
- return ;
- }
- //Get chan interface
- search_iface = tp_chan_get_interface( globalCon.search_chan,
- TELEPATHY_CHAN_IFACE_CONTACTSEARCH_QUARK );
-
- if ( NULL == search_iface )
- {
- iso_logger( "returning because of search_iface");
- //interface for search chan not created
- //send that to client
- send_response_to_client( globalCon.search_hdr_req, TP_SEARCH_IFACE_ERROR, 0 );
- return ;
- }
-
-
- //Call the search on tp
- tp_chan_type_search_async( search_iface, search_hash, searchreply_cb,
- NULL );
-
- iso_logger( "out do_search_again");
-
-
- }
-
-
-/*
-! /brief This function is called by message_send_recv function in isoservermain.c if message type
-* is ESearch. This function parses the rmsg, validates the parameter passed, if parameters are
-* correct a search performed for them. else INVALID_PARAMETERES error is returned
-*
-* /param rmsg message buffer to be parsed
-* /param rmsg_len the length of the rmsg
-* /remark rmsg_len is not strlen(rmsg)
-* /return returns error code or 0 on success
-*/
-gint action_parse_search( gchar* rmsg, gint rmsg_len )
- {
-
- gint err = 0;
- GHashTable* search_hash = NULL;
- message_hdr_req* hdr_req = NULL;
- //Allocate memory and set the memory to '\0'
- iso_logger( "in action_parse_search");
- hdr_req = ( message_hdr_req* ) malloc ( sizeof ( message_hdr_req ) );
-
- if ( NULL == hdr_req )
- {
- return MEM_ALLOCATION_ERROR;
- }
- memset( hdr_req, '\0', sizeof( message_hdr_req ) );
- //Copy the header into message struct
- memcpy( hdr_req, rmsg, sizeof( message_hdr_req ) );
- //Create the hash table
- search_hash = g_hash_table_new( g_str_hash, g_str_equal );
- if ( NULL == search_hash )
- {
- return MEM_ALLOCATION_ERROR;
- }
- //Parse the key value pairs to be searched into the hash
- err = parse_for_search( rmsg, rmsg_len, search_hash );
- if ( !err )
- {
- //Do the search on the fields
- globalCon.search_hdr_req = hdr_req;
- err = do_search( search_hash );
- }
- iso_logger( "out action_parse_search");
-
- return err;
- }
-
-/*! \brief This function is called by search_results_recieved for each key/value
-* pair of search result(one entry). This function appends the key/value pair
-* to the message buffer in the key_value_struct(.msg) and increments
-* the no. of bytes written to(key_value_struct.len)
-*
-* Format of response header(msg buffer)
-* key1\0value1\0key2\0value2\0(key3\0value3\0) (3rd round append)
-*
-* \param key one field of the search entry
-* \param value value for the above field
-* \param user_data unused
-*
-* \return void
-*/
-
-void key_value_store( gpointer key, gpointer value, gpointer user_data )
- {
-
- key_value_struct* pairs = ( key_value_struct * ) user_data;
- GValue* value1 = ( GValue* ) value;
- const gchar *value_str = NULL;
- const gchar *key_str = ( gchar* ) key;
-
- iso_logger( "in key_value_store");
-
- value_str = g_value_get_string ( value1 );
-
- if ( '\0' == *value_str )
- {
- iso_logger( "No value");
- return;
- }
-
- iso_logger( "key is %s", key_str );
- //copy The results key part
- strcpy( pairs->msg + pairs->len, key_str );
- pairs->len += strlen( key_str ) + 1;
-
- iso_logger( "value is %s", value_str );
- //copy The results value part
- strcpy( pairs->msg + pairs->len, value_str );
- pairs->len += strlen( value_str ) + 1;
- iso_logger( "out key_value_store");
- }
-
-
-/*!
-* \brief This function is called when the search results are recieved
-* This function is called for each contact found matching the
-* search criteria.
-*
-* \param proxy unused
-* \param contact_handle unused
-* \param results Key value pair of one search result entry
-* \param user_data unused
-*
-* \return void
-*/
-static void search_result_received_cb ( DBusGProxy *proxy,
- guint contact_handle,
- GHashTable *results,
- gpointer user_data
- )
- {
- message_hdr_resp hdr_resp;
- //Get the header request
-
- message_hdr_req* hdr_request = globalCon.search_hdr_req;
- key_value_struct pairs;
-
- gint pri = MSG_PRI_NORMAL;
- gint result = 0;
- gint timeout = NO_WAIT;
- gint err = 0;
-
- //Create the handle
- iso_logger( "in search_result_received_cb");
-
- UNUSED_FORMAL_PARAM( proxy );
- UNUSED_FORMAL_PARAM( contact_handle );
- UNUSED_FORMAL_PARAM( user_data );
-
- if ( g_hash_table_size( results ) <= 0 )
- {
- iso_logger( "No results recieved");
- return;
- }
-
- iso_logger("search result count for hash table %d",
- g_hash_table_size( results ) );
- iso_logger("contact handle is %d",
- contact_handle );
-
- //Create the response header to be sent to client
- //Copy the message header request
- //Not copying from hdr req because it could have been modified
- //in search_state_changed_cb
- hdr_resp.hdr_req.message_type = ESearch;
- hdr_resp.hdr_req.protocol_id = hdr_request->protocol_id;
- hdr_resp.hdr_req.request_id = hdr_request->request_id;
- hdr_resp.hdr_req.session_id = hdr_request->session_id;
- //set continue flag
- hdr_resp.continue_flag = 0;
- hdr_resp.error_type = 0;
- hdr_resp.response = 1;
- //Allocate memory for the message and set memory to '\0'
- pairs.msg = ( gchar* ) malloc ( MAX_PARAM_LEN );
- if ( NULL == pairs.msg )
- {
- iso_logger( "malloc error @ pairs.msg" );
- return ;
- }
- memset( pairs.msg, '\0', MAX_PARAM_LEN );
- pairs.len = 0;
- //Copy the response
- memcpy( pairs.msg, &hdr_resp, sizeof ( message_hdr_resp ) );
- pairs.len += sizeof( message_hdr_resp );
- //Copy the contact name
- iso_logger( "%s%d", "message type in search_result_received_cb", hdr_request->message_type );
-
-
- iso_logger( "%s", "start -------------------------------------------------" );
-
- iso_logger( "%s", "contacts key value pair start" );
-
- //Copy all the key/value pairs :
- //no need to check for size here as it is already done at top
- g_hash_table_foreach ( results, key_value_store, &pairs );
-
- iso_logger( "%s", "end -------------------------------------------------" );
-
- //End the message with a '\0'
- pairs.len += 1;
- pairs.msg[pairs.len] = '\0';
- //Send the message to client
- result = MsgQSend( RESPONSE_QUEUE, pairs.msg, pairs.len,
- pri, timeout, &err );
-
- if ( result < 0 )
- {
-
- }
-
- //Free the hash table itself
- g_hash_table_destroy ( results );
-
- iso_logger( "in search_result_received_cb");
- }
-
-/*! \brief This function is a callback registered to searchstatechanged signal.
-* This function is called by telepathygabble when status of the search is changed.
-*
-* \param proxy unused
-* \param search_state state of the search
-* \param user_data unused
-*
-* \return void
-*/
-static void search_state_changed_cb ( DBusGProxy *proxy,
- guint search_state,
- gpointer user_data
- )
- {
-
- gint err = 0;
- //Get the header request
-
- iso_logger( "in search_state_changed_cb");
-
- UNUSED_FORMAL_PARAM( proxy );
- UNUSED_FORMAL_PARAM( user_data );
-
-
- if ( 1 == search_state && globalCon.search_hdr_req )
- {
- globalCon.search_hdr_req->message_type = ESearch_State_During;
- err = send_response_to_client( globalCon.search_hdr_req, 0, 1 );
- if ( err )
- {
- iso_logger( " 1 == search_state Error sending to client");
- //?
- }
- }
- else if ( TP_CHANNEL_CONTACT_SEARCH_STATE_AFTER == search_state
- && globalCon.search_hdr_req )
- {
- globalCon.search_hdr_req->message_type = ESearch_State_Finished;
- err = send_response_to_client( globalCon.search_hdr_req, 0, 1 );
- if ( err )
- {
- iso_logger( "Error sending to client");
- //?
- }
- //Since the search is finished delete the hdr request
- free ( globalCon.search_hdr_req );
- globalCon.search_hdr_req = NULL;
- }
-
-
- iso_logger( "out search_state_changed_cb");
- }
-
-/*! \brief Function called by telepathygabble when search channel is closed
-* This function is regisered when calling the async function to close channel
-*
-* \param proxy unused
-* \param error Error if any
-* \param user_data unused
-*
-* \return void
-*/
-void search_chan_closed_cb ( DBusGProxy *proxy,
- GError *error,
- gpointer user_data
- )
- {
- iso_logger( "in search_chan_closed_cb");
- UNUSED_FORMAL_PARAM( proxy );
- UNUSED_FORMAL_PARAM( error );
- UNUSED_FORMAL_PARAM( user_data );
- g_object_unref(globalCon.search_chan);
- globalCon.search_chan = NULL;
- iso_logger( "out search_chan_closed_cb");
- }
-
-/*! \brief Function called by telepathygabble when search request is sent to server.
-* This function is can be thought of as an ack for search request from server.
-*
-* \param proxy unused
-* \param error Network error if any
-* \param user_data unused
-*
-* \return void
-*/
-static void searchreply_cb( DBusGProxy *proxy, GError *error, gpointer userdata )
- {
-
-
- iso_logger( "in searchreply_cb" );
- UNUSED_FORMAL_PARAM( proxy );
- UNUSED_FORMAL_PARAM( userdata );
-
- if ( error )
- {
-
- iso_logger( "Error!!!!!" );
- //err cant be handled as of now/this is a special case
- //where mem alloc is not possible when sending to client..
- send_response_to_client( globalCon.search_hdr_req, error->code, 0 );
-
- tp_chan_close_async( DBUS_G_PROXY( globalCon.search_chan ),
- search_chan_closed_cb, NULL );
- //Header request is deleted only in case of error
- //Because the search_state_finished_cb will not be called
- //In othr cases ownership of user_data is with search_state_finished_cb
-
- free ( globalCon.search_hdr_req );
- globalCon.search_hdr_req = NULL;
- }
-
- iso_logger( "out searchreply_cb");
-
- }