/*!
* \brief Retrives all the information needed to process the incoming SOAP
* request. It finds the device and service info and also the callback
* function to hand-over the request to the device application.
*
* \return UPNP_E_SUCCESS if successful else returns appropriate error.
*/
static int get_device_info(
int iface,
/*! [in] HTTP request. */
http_message_t *request,
/*! [in] flag for a querry. */
int isQuery,
/*! [in] Action request document. */
IXML_Document *actionDoc,
/*! [in] . */
int AddressFamily,
/*! [out] Device UDN string. */
OUT char device_udn[LINE_SIZE],
/*! [out] Service ID string. */
char service_id[LINE_SIZE],
/*! [out] callback function of the device application. */
Upnp_FunPtr *callback,
/*! [out] cookie stored by device application. */
void **cookie)
{
struct Handle_Info *device_info;
int device_hnd;
service_info *serv_info;
char save_char;
/* error by default */
int ret_code = -1;
const char *control_url;
char *actionName = NULL;
/* null-terminate pathquery of url */
control_url = request->uri.pathquery.buff;
save_char = control_url[request->uri.pathquery.size];
((char *)control_url)[request->uri.pathquery.size] = '\0';
HandleLock();
if (GetDeviceHandleInfo(iface, AddressFamily, &device_hnd,
&device_info) != HND_DEVICE)
goto error_handler;
serv_info = FindServiceControlURLPath(
&device_info->ServiceTable, control_url);
if (!serv_info)
goto error_handler;
if (isQuery) {
ret_code = check_soap_action_header(request,
QUERY_STATE_VAR_URN, &actionName);
if (ret_code != UPNP_E_SUCCESS &&
ret_code != UPNP_E_OUTOF_MEMORY) {
ret_code = UPNP_E_INVALID_ACTION;
goto error_handler;
}
/* check soap body */
ret_code = check_soap_body(actionDoc, QUERY_STATE_VAR_URN,
actionName);
free(actionName);
if (ret_code != UPNP_E_SUCCESS)
goto error_handler;
} else {
ret_code = check_soap_action_header(request,
serv_info->serviceType, &actionName);
if (ret_code != UPNP_E_SUCCESS &&
ret_code != UPNP_E_OUTOF_MEMORY) {
ret_code = UPNP_E_INVALID_SERVICE;
goto error_handler;
}
/* check soap body */
ret_code = check_soap_body(actionDoc, serv_info->serviceType,
actionName);
free(actionName);
if (ret_code != UPNP_E_SUCCESS) {
ret_code = UPNP_E_INVALID_SERVICE;
goto error_handler;
}
}
namecopy(service_id, serv_info->serviceId);
namecopy(device_udn, serv_info->UDN);
*callback = device_info->Callback;
*cookie = device_info->Cookie;
ret_code = 0;
error_handler:
/* restore */
((char *)control_url)[request->uri.pathquery.size] = save_char;
HandleUnlock();
return ret_code;
}
/****************************************************************************
* Function : get_device_info
*
* Parameters :
* IN http_message_t* request : HTTP request
* IN int isQuery : flag for a querry
* IN IXML_Document *actionDoc : action request document
* OUT char device_udn[LINE_SIZE] : Device UDN string
* OUT char service_id[LINE_SIZE] : Service ID string
* OUT Upnp_FunPtr *callback : callback function of the device
* application
* OUT void** cookie : cookie stored by device application
*
* Description : This function retrives all the information needed to
* process the incoming SOAP request. It finds the device and service info
* and also the callback function to hand-over the request to the device
* application.
*
* Return : int
* UPNP_E_SUCCESS if successful else returns appropriate error
*
* Note :
****************************************************************************/
static int
get_device_info( IN http_message_t * request,
IN int isQuery,
IN IXML_Document * actionDoc,
OUT char device_udn[LINE_SIZE],
OUT char service_id[LINE_SIZE],
OUT Upnp_FunPtr * callback,
OUT void **cookie )
{
struct Handle_Info *device_info;
int device_hnd;
service_info *serv_info;
char save_char;
int ret_code = -1; // error by default
const char *control_url;
char *actionName = NULL;
// null-terminate pathquery of url
control_url = request->uri.pathquery.buff;
save_char = control_url[request->uri.pathquery.size];
((char *)control_url)[request->uri.pathquery.size] = '\0';
HandleLock();
if( GetDeviceHandleInfo( &device_hnd, &device_info ) != HND_DEVICE ) {
goto error_handler;
}
if( ( serv_info =
FindServiceControlURLPath( &device_info->ServiceTable,
control_url ) ) == NULL ) {
goto error_handler;
}
if( isQuery ) {
ret_code = check_soap_action_header( request, QUERY_STATE_VAR_URN,
&actionName );
if( ( ret_code != UPNP_E_SUCCESS )
&& ( ret_code != UPNP_E_OUTOF_MEMORY ) ) {
ret_code = UPNP_E_INVALID_ACTION;
goto error_handler;
}
//check soap body
ret_code =
check_soap_body( actionDoc, QUERY_STATE_VAR_URN, actionName );
free( actionName );
if( ret_code != UPNP_E_SUCCESS ) {
goto error_handler;
}
} else {
ret_code = check_soap_action_header( request,
serv_info->serviceType,
&actionName );
if( ( ret_code != UPNP_E_SUCCESS )
&& ( ret_code != UPNP_E_OUTOF_MEMORY ) ) {
ret_code = UPNP_E_INVALID_SERVICE;
goto error_handler;
}
//check soap body
ret_code =
check_soap_body( actionDoc, serv_info->serviceType,
actionName );
free( actionName );
if( ret_code != UPNP_E_SUCCESS ) {
ret_code = UPNP_E_INVALID_SERVICE;
goto error_handler;
}
}
namecopy( service_id, serv_info->serviceId );
namecopy( device_udn, serv_info->UDN );
*callback = device_info->Callback;
*cookie = device_info->Cookie;
ret_code = 0;
error_handler:
((char *)control_url)[request->uri.pathquery.size] = save_char; // restore
HandleUnlock();
return ret_code;
}