libupnp/upnp/src/inc/service_table.h
2010-11-16 03:14:12 -02:00

371 lines
9.9 KiB
C

/*******************************************************************************
*
* Copyright (c) 2000-2003 Intel Corporation
* 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 name of Intel 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 INTEL 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.
*
******************************************************************************/
#ifndef SERVICE_TABLE_H
#define SERVICE_TABLE_H
/*!
* \file
*/
#ifdef __cplusplus
extern "C" {
#endif
#include "config.h"
#include "uri.h"
#include "ixml.h"
#include "upnp.h"
#include "upnpdebug.h"
#include <stdio.h>
#include <time.h>
#define SID_SIZE 41
#ifdef INCLUDE_DEVICE_APIS
typedef struct SUBSCRIPTION {
Upnp_SID sid;
int eventKey;
int ToSendEventKey;
time_t expireTime;
int active;
URL_list DeliveryURLs;
struct SUBSCRIPTION *next;
} subscription;
typedef struct SERVICE_INFO {
DOMString serviceType;
DOMString serviceId;
char *SCPDURL ;
char *controlURL;
char *eventURL;
DOMString UDN;
int active;
int TotalSubscriptions;
subscription *subscriptionList;
struct SERVICE_INFO *next;
} service_info;
typedef struct SERVICE_TABLE {
DOMString URLBase;
service_info *serviceList;
service_info *endServiceList;
} service_table;
/* Functions for Subscriptions */
/*!
* \brief Makes a copy of the subscription.
*
* \return HTTP_SUCCESS on success.
*/
int copy_subscription(
/*! [in] Source subscription. */
subscription *in,
/*! [in] Destination subscription. */
subscription *out);
/*
* \brief Remove the subscription represented by the const Upnp_SID sid parameter
* from the service table and update the service table.
*/
void RemoveSubscriptionSID(
/*! [in] Subscription ID. */
Upnp_SID sid,
/*! [in] Service object providing the list of subscriptions. */
service_info *service);
/*!
* \brief Return the subscription from the service table that matches
* const Upnp_SID sid value.
*
* \return Pointer to the matching subscription node.
*/
subscription *GetSubscriptionSID(
/*! [in] Subscription ID. */
const Upnp_SID sid,
/*! [in] Service object providing the list of subscriptions. */
service_info *service);
/*!
* \brief Gets pointer to the first subscription node in the service table.
*
* \return Pointer to the first subscription node.
*/
subscription *GetFirstSubscription(
/*! [in] Service object providing the list of subscriptions. */
service_info *service);
/*!
* \brief Get current and valid subscription from the service table.
*
* \return Pointer to the next subscription node.
*/
subscription *GetNextSubscription(
/*! [in] Service object providing the list of subscriptions. */
service_info *service,
/*! [in] Current subscription object. */
subscription *current);
/*!
* \brief Free's the memory allocated for storing the URL of the subscription.
*/
void freeSubscription(
/*! [in] Subscription object to be freed. */
subscription *sub);
/*!
* \brief Free's memory allocated for all the subscriptions in the service table.
*/
void freeSubscriptionList(
/*! [in] Head of the subscription list. */
subscription * head);
/*!
* \brief Traverses through the service table and returns a pointer to the
* service node that matches a known service id and a known UDN.
*
* \return Pointer to the matching service_info node.
*/
service_info *FindServiceId(
/*! [in] Service table. */
service_table *table,
/*! [in] String representing the service id to be found among those
* in the table. */
const char *serviceId,
/*! [in] String representing the UDN to be found among those in the
* table. */
const char *UDN);
/*!
* \brief Traverses the service table and finds the node whose event URL Path
* matches a know value.
*
* \return Pointer to the service list node from the service table whose event
* URL matches a known event URL.
*/
service_info *FindServiceEventURLPath(
/*! [in] Service table. */
service_table *table,
/*! [in] Event URL path used to find a service from the table. */
char *eventURLPath);
/*!
* \brief Traverses the service table and finds the node whose control URL Path
* matches a know value.
*
* \return Pointer to the service list node from the service table whose control
* URL Path matches a known value.
*/
service_info * FindServiceControlURLPath(
/*! [in] Service table. */
service_table *table,
/*! [in] Control URL path used to find a service from the table. */
const char *controlURLPath);
/*!
* \brief For debugging purposes prints information from the service passed
* into the function.
*/
#ifdef DEBUG
void printService(
/*! [in] Service whose information is to be printed. */
service_info *service,
/*! [in] Debug level specified to the print function. */
Upnp_LogLevel level,
/*! [in] Debug module specified to the print function. */
Dbg_Module module);
#else
static UPNP_INLINE void printService(
service_info *service,
Upnp_LogLevel level,
Dbg_Module module)
{
return;
service = service;
level = level;
module = module;
}
#endif
/*!
* \brief For debugging purposes prints information of each service from the
* service table passed into the function.
*/
#ifdef DEBUG
void printServiceList(
/*! [in] Service whose information is to be printed. */
service_info *service,
/*! [in] Debug level specified to the print function. */
Upnp_LogLevel level,
/*! [in] Debug module specified to the print function. */
Dbg_Module module);
#else
static UPNP_INLINE void printServiceList(
service_info *service,
Upnp_LogLevel level,
Dbg_Module module)
{
return;
service = service;
level = level;
module = module;
}
#endif
/*!
* \brief For debugging purposes prints the URL base of the table and information
* of each service from the service table passed into the function.
*/
#ifdef DEBUG
void printServiceTable(
/*! [in] Service table to be printed. */
service_table *table,
/*! [in] Debug level specified to the print function. */
Upnp_LogLevel level,
/*! [in] Debug module specified to the print function. */
Dbg_Module module);
#else
static UPNP_INLINE void printServiceTable(
service_table *table,
Upnp_LogLevel level,
Dbg_Module module)
{
return;
table = table;
level = level;
module = module;
}
#endif
/*!
* \brief Free's memory allocated for the various components of the service
* entry in the service table.
*/
void freeService(
/*! [in] Service information that is to be freed. */
service_info *in);
/*!
* \brief Free's memory allocated for the various components of each service
* entry in the service table.
*/
void freeServiceList(
/*! [in] Head of the service list to be freed. */
service_info *head);
/*!
* \brief Free's dynamic memory in table (does not free table, only memory
* within the structure).
*/
void freeServiceTable(
/*! [in] Service table whose internal memory needs to be freed. */
service_table *table);
/*!
* \brief This function assumes that services for a particular root device are
* placed linearly in the service table, and in the order in which they are
* found in the description document all services for this root device are
* removed from the list.
*
* \return An integer.
*/
int removeServiceTable(
/*! [in] XML node information. */
IXML_Node *node,
/*! [in] Service table from which services will be removed. */
service_table *in);
/*!
* \brief Add Service to the table.
*/
int addServiceTable(
/*! [in] XML node information. */
IXML_Node *node,
/*! [in] Service table that will be initialized with services. */
service_table *in,
/*! [in] Default base URL on which the URL will be returned to the
* service list. */
const char *DefaultURLBase);
/*!
* \brief Retrieve service from the table.
*
* \return An integer
*/
int getServiceTable(
/*! [in] XML node information. */
IXML_Node *node,
/*! [in] Output parameter which will contain the service list and URL. */
service_table *out,
/*! [in] Default base URL on which the URL will be returned. */
const char *DefaultURLBase);
/* Misc helper functions */
/*!
* \brief Returns the clone of the element value.
*
* \note Value must be freed with DOMString_free.
*
* \return DOMString
*/
DOMString getElementValue(
/*! [in] Input node which provides the list of child nodes. */
IXML_Node *node);
/*!
* \brief Traverses through a list of XML nodes to find the node with the
* known element name.
*
* \return
* \li 1 - On Success
* \li 0 - On Failure
*/
int getSubElement(
/*! [in] Sub element name to be searched for. */
const char *element_name,
/*! [in] Input node which provides the list of child nodes. */
IXML_Node *node,
/*! [out] Ouput node to which the matched child node is returned. */
IXML_Node **out);
#endif /* INCLUDE_DEVICE_APIS */
#ifdef __cplusplus
}
#endif
#endif /* SERVICE_TABLE */