ssdplib.h

电驴下载工具eMule0.47aVeryCD的源代码,可作分析测试也可用于P2P软件的开发研究.

*
* Returns: void
*	
***************************************************************************/
void readFromSSDPSocket(SOCKET socket);


/************************************************************************
* Function : ssdp_request_type1								
*																	
* Parameters:														
*	IN char *cmd: command came in the ssdp request
*
* Description:														
*	This function figures out the type of the SSDP search in the 
*	in the request.
*
* Returns: enum SsdpSearchType
*	return appropriate search type else returns SSDP_ERROR
***************************************************************************/
enum SsdpSearchType ssdp_request_type1(IN char *cmd);


/************************************************************************
* Function : ssdp_request_type								
*																	
* Parameters:														
*	IN char *cmd: command came in the ssdp request
*	OUT SsdpEvent *Evt: The event structure partially filled by
*		 this function.
*
* Description:														
*	This function starts filling the SSDP event structure based upon the 
*	request received. 
*
* Returns: int
*	0 on success; -1 on error
***************************************************************************/
int ssdp_request_type(IN char * cmd, OUT SsdpEvent * Evt);


/************************************************************************
* Function : SearchByTarget											
*																	
* Parameters:														
*		IN int Mx:Number of seconds to wait, to collect all the 
*					responses.
*		char *St: Search target.
*		void *Cookie: cookie provided by control point application. This
*						cokie will be returned to application in the 
*						callback.
*
* Description:														
*	This function creates and send the search request for a specific URL.
*
* Returns: int
*	1 if successful else appropriate error
***************************************************************************/
int SearchByTarget(IN int Mx, IN char *St, IN void *Cookie);

/************************************************************************
* Function : DeviceAdvertisement									
*																	
* Parameters:														
*	IN char * DevType : type of the device
*	IN int RootDev: flag to indicate if the device is root device
*	IN char * nt : value of NT
*	IN char * usn :
*	IN char * location :Location URL.
*	IN int  duration :Service duration in sec.
*
* Description:														
*	This function creates the device advertisement request based on 
*	the input parameter, and send it to the multicast channel.
*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int DeviceAdvertisement(IN char * DevType, int RootDev,char * Udn, 
						IN char * Location, IN int  Duration);


/************************************************************************
* Function : DeviceShutdown									
*																	
* Parameters:	
*	IN char *DevType: Device Type.
*	IN int RootDev:1 means root device.
*	IN char * Udn: Device UDN
*	IN char *_Server:
*	IN char * Location: Location URL
*	IN int  Duration :Device duration in sec.
*
* Description:														
*	This function creates a HTTP device shutdown request packet 
*	and sent it to the multicast channel through RequestHandler.
*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int DeviceShutdown( IN char * DevType, 
				    IN int RootDev,
					IN char * Udn, 
					IN char * _Server, 
					IN char * Location, 
					IN int  Duration );

/************************************************************************
* Function : DeviceReply									
*																	
* Parameters:	
*	IN struct sockaddr_in * DestAddr:destination IP address.
*	IN char *DevType: Device type
*	IN int RootDev: 1 means root device 0 means embedded device.
*	IN char * Udn: Device UDN
*	IN char * Location: Location of Device description document.
*	IN int  Duration :Life time of this device.

* Description:														
*	This function creates the reply packet based on the input parameter, 
*	and send it to the client address given in its input parameter DestAddr.
*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int DeviceReply(IN struct sockaddr_in * DestAddr, 
				IN char *DevType, 
				IN int RootDev, 
				IN char * Udn, 
				IN char * Location, IN int  Duration);

/************************************************************************
* Function : SendReply									
*																	
* Parameters:	
*	IN struct sockaddr_in * DestAddr:destination IP address.
*	IN char *DevType: Device type
*	IN int RootDev: 1 means root device 0 means embedded device.
*	IN char * Udn: Device UDN
*	IN char *_Server:
*	IN char * Location: Location of Device description document.
*	IN int  Duration :Life time of this device.
*	IN int ByType:
*
* Description:														
*	This function creates the reply packet based on the input parameter, 
*	and send it to the client addesss given in its input parameter DestAddr.
*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int SendReply(IN struct sockaddr_in * DestAddr, 
			  IN char *DevType, 
			  IN int RootDev, 
			  IN char * Udn, 
			  IN char * Location, 
			  IN int  Duration, 
			  IN int ByType );

/************************************************************************
* Function : ServiceAdvertisement									
*																	
* Parameters:	
*	IN char * Udn: Device UDN
*	IN char *ServType: Service Type.
*	IN char * Location: Location of Device description document.
*	IN int  Duration :Life time of this device.

* Description:														
*	This function creates the advertisement packet based 
*	on the input parameter, and send it to the multicast channel.

*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int ServiceAdvertisement( IN char * Udn, 
						 IN char * ServType,
						 IN char * Location,
						 IN int  Duration);

/************************************************************************
* Function : ServiceReply									
*																	
* Parameters:	
*	IN struct sockaddr_in *DestAddr:
*	IN char * Udn: Device UDN
*	IN char *ServType: Service Type.
*	IN char *Server: Not used
*	IN char * Location: Location of Device description document.
*	IN int  Duration :Life time of this device.

* Description:														
*	This function creates the advertisement packet based 
*	on the input parameter, and send it to the multicast channel.

*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int ServiceReply(IN struct sockaddr_in *DestAddr,  
				 IN char * ServType, 
				 IN char * Udn, 
				 IN char * Location,
				 IN int  Duration);

/************************************************************************
* Function : ServiceShutdown									
*																	
* Parameters:	
*	IN char * Udn: Device UDN
*	IN char *ServType: Service Type.
*	IN char * Location: Location of Device description document.
*	IN int  Duration :Service duration in sec.

* Description:														
*	This function creates a HTTP service shutdown request packet 
*	and sent it to the multicast channel through RequestHandler.
*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int ServiceShutdown( IN char * Udn, IN char * ServType,
					IN char * Location,
					IN int  Duration);


/************************************************************************
* Function : advertiseAndReplyThread									
*																	
* Parameters:														
*		IN void *data: Structure containing the search request
*
* Description:														
*	This function is a wrapper function to reply the search request 
*	coming from the control point.
*
* Returns: void *
*	always return NULL
***************************************************************************/
void * advertiseAndReplyThread(IN void * data);

/************************************************************************
* Function : AdvertiseAndReply									
*																	
* Parameters:														
*	IN int AdFlag: -1 = Send shutdown, 0 = send reply, 
*					1 = Send Advertisement
*	IN UpnpDevice_Handle Hnd: Device handle
*	IN enum SsdpSearchType SearchType:Search type for sending replies
*	IN struct sockaddr_in *DestAddr:Destination address
*   IN char *DeviceType:Device type
*	IN char *DeviceUDN:Device UDN
*   IN char *ServiceType:Service type
*	IN int Exp:Advertisement age
*
* Description:														
*	This function to send SSDP advertisements, replies and shutdown messages.
*
* Returns: int
*	UPNP_E_SUCCESS if successful else appropriate error
***************************************************************************/
int AdvertiseAndReply(IN int AdFlag, 
					IN UpnpDevice_Handle Hnd, 
					IN enum SsdpSearchType SearchType, 
					IN struct sockaddr_in *DestAddr,
                    IN char *DeviceType, 
					IN char *DeviceUDN, 
                    IN char *ServiceType, int Exp);

#endif