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/*
* request.h: Web video plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id$
*/
#ifndef __WEBVIDEO_REQUEST_H
#define __WEBVIDEO_REQUEST_H
#include <vdr/tools.h>
#include <vdr/thread.h>
#include <libwebvi.h>
#include "buffer.h"
enum eRequestType { REQT_NONE, REQT_MENU, REQT_FILE, REQT_STREAM, REQT_TIMER };
class cFileDownloadRequest;
class cWebviTimer;
// --- cDownloadProgress ---------------------------------------------------
class cDownloadProgress {
private:
const static int NAME_LEN = 128;
char name[NAME_LEN];
long downloaded;
long total;
int statusCode;
cString statusPharse;
cFileDownloadRequest *req;
cMutex mutex;
public:
cDownloadProgress();
void AssociateWith(cFileDownloadRequest *request);
void SetContentLength(long bytes);
void SetTitle(const char *title);
void Progress(long downloadedbytes);
void MarkDone(int errorcode, cString pharse);
bool IsFinished();
cString GetTitle();
cString GetPercentage();
cString GetStatusPharse();
bool Error();
cFileDownloadRequest *GetRequest() { return req; }
};
// --- cProgressVector -----------------------------------------------------
class cProgressVector : public cVector<cDownloadProgress *> {
public:
cDownloadProgress *NewDownload();
};
// --- cMenuRequest ----------------------------------------------------
class cMenuRequest {
private:
int reqID;
bool aborted;
bool finished;
int status;
cString statusPharse;
protected:
WebviCtx webvi;
WebviHandle handle;
char *wvtref;
cMemoryBuffer inBuffer;
cWebviTimer *timer;
virtual ssize_t WriteData(const char *ptr, size_t len);
virtual WebviHandle PrepareHandle();
static ssize_t WriteCallback(const char *ptr, size_t len, void *request);
char *ExtractSiteName(const char *ref);
void AppendQualityParamsToRef();
public:
cMenuRequest(int ID, const char *wvtreference);
virtual ~cMenuRequest();
int GetID() { return reqID; }
WebviHandle GetHandle() { return handle; }
const char *GetReference() { return wvtref; }
bool Start(WebviCtx webvictx);
virtual void RequestDone(int errorcode, cString pharse);
bool IsFinished() { return finished; }
virtual void Abort();
bool IsAborted() { return aborted; }
// Return true if the lastest status code indicates success.
bool Success();
// Return the status code
int GetStatusCode() { return status; }
// Return the response pharse
cString GetStatusPharse();
virtual eRequestType GetType() { return REQT_MENU; }
// Return the content of the response message
virtual cString GetResponse();
void SetTimer(cWebviTimer *t) { timer = t; }
cWebviTimer *GetTimer() { return timer; }
virtual int File() { return -1; }
virtual bool Read() { return true; }
};
// --- cFileDownloadRequest ------------------------------------------------
class cFileDownloadRequest : public cMenuRequest {
private:
enum eDownloadState { STATE_WEBVI, STATE_POSTPROCESS, STATE_FINISHED };
char *title;
long bytesDownloaded;
long contentLength;
cUnbufferedFile *destfile;
char *destfilename;
cDownloadProgress *progressUpdater;
cPipe postProcessPipe;
eDownloadState state;
protected:
virtual WebviHandle PrepareHandle();
virtual ssize_t WriteData(const char *ptr, size_t len);
bool OpenDestFile();
char *GetExtension(const char *contentType, const char *url);
void StartPostProcessing();
public:
cFileDownloadRequest(int ID, const char *streamref,
cDownloadProgress *progress);
virtual ~cFileDownloadRequest();
eRequestType GetType() { return REQT_FILE; }
void RequestDone(int errorcode, cString pharse);
void Abort();
int File();
bool Read();
};
// --- cStreamUrlRequest ---------------------------------------------------
class cStreamUrlRequest : public cMenuRequest {
protected:
virtual WebviHandle PrepareHandle();
public:
cStreamUrlRequest(int ID, const char *ref);
eRequestType GetType() { return REQT_STREAM; }
};
// --- cTimerRequest -------------------------------------------------------
class cTimerRequest : public cMenuRequest {
public:
cTimerRequest(int ID, const char *ref);
eRequestType GetType() { return REQT_TIMER; }
};
// --- cRequestVector ------------------------------------------------------
class cRequestVector : public cVector<cMenuRequest *> {
public:
cRequestVector(int Allocated = 10) : cVector<cMenuRequest *>(Allocated) {}
cMenuRequest *FindByHandle(WebviHandle handle);
};
#endif
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