1
0
mirror of https://github.com/VDR4Arch/vdr.git synced 2023-10-10 13:36:52 +02:00
vdr/svdrp.h
2015-09-01 11:14:27 +02:00

75 lines
3.2 KiB
C++

/*
* svdrp.h: Simple Video Disk Recorder Protocol
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: svdrp.h 4.3 2015/09/01 10:34:09 kls Exp $
*/
#ifndef __SVDRP_H
#define __SVDRP_H
#include "tools.h"
class cSVDRPCommand {
protected:
cString serverName;
cString command;
cStringList response;
public:
cSVDRPCommand(const char *ServerName, const char *Command);
///< Sets up an SVDRP Command to be executed on the VDR with the given
///< ServerName. A list of all available servers can be retrieved by
///< calling GetSVDRPServerNames().
///< Command is one SVDRP command, followed by optional parameters,
///< just as it can be given in a normal SVDRP connection. It doesn't
///< need to be terminated with a newline.
virtual ~cSVDRPCommand();
bool Execute(void);
///< Sends the Command given in the constructor to the remote VDR
///< and collects all of the response strings.
///< Returns true if the data exchange was successful. Whether or
///< not the actual SVDRP command was successful depends on the
///< resulting strings from the remote VDR, which can be accessed
///< by calling Response(). Execute() can be called any number of
///< times. The list of response strings will be cleared before
///< the command is actually executed.
const cStringList *Response(void) const { return &response; }
///< Returns the list of strings the remote VDR has sent in response
///< to the command. The response strings are exactly as received,
///< with the leading three digit reply code and possible continuation
///< line indicator ('-') in place.
const char *Response(int Index) { return (Index >= 0 && Index < response.Size()) ? response[Index] : NULL; }
///< This is a convenience function for accessing the response strings.
///< Returns the string at the given Index, or NULL if Index is out
///< of range.
int Code(const char *s) { return s ? atoi(s) : 0; }
///< Returns the value of the three digit reply code of the given
///< response string.
const char *Value(const char *s) { return s && s[0] && s[1] && s[2] && s[3] ? s + 4 : NULL; }
///< Returns the actual value of the given response string, skipping
///< the three digit reply code and possible continuation line indicator.
};
enum eSvdrpFetchFlags {
sffNone = 0b0000,
sffTimers = 0b0001,
};
const char *SVDRPHostName(void);
void SetSVDRPGrabImageDir(const char *GrabImageDir);
void StartSVDRPHandler(int TcpPort, int UdpPort);
void StopSVDRPHandler(void);
void SendSVDRPDiscover(const char *Address = NULL);
bool GetSVDRPServerNames(cStringList *ServerNames, eSvdrpFetchFlags FetchFlag = sffNone);
///< Gets a list of all available VDRs this VDR is connected to via SVDRP,
///< and stores it in the given ServerNames list. The list is cleared
///< before getting the server names.
///< If FetchFlag is given, only the server names for which the local
///< client has this flag set will be returned, and the client's flag
///< will be cleared.
///< Returns true if the resulting list is not empty.
#endif //__SVDRP_H