Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
//----------------------------------------------------------------------------------------
#ifndef SESSIONINFODOWNLOADER_H
#define SESSIONINFODOWNLOADER_H
#ifdef _WIN32
#pragma once
#endif
//----------------------------------------------------------------------------------------
#include "basethinker.h"
#include "cl_downloader.h"
//----------------------------------------------------------------------------------------
class CHttpDownloader;
class CBaseRecordingSession;
//----------------------------------------------------------------------------------------
class CSessionInfoDownloader : public CBaseThinker,
public IDownloadHandler
{
public:
CSessionInfoDownloader();
~CSessionInfoDownloader();
void CleanupDownloader();
void DownloadSessionInfoAndUpdateBlocks( CBaseRecordingSession *pSession );
bool IsDone() const { return m_bDone; }
bool CanDelete() const { return m_pDownloader == NULL; }
enum ServerSessionInfoError_t
{
ERROR_NONE, // No error
ERROR_NOT_ENOUGH_DATA, // The session info file wasn't even big enough to read a header
ERROR_BAD_NUM_BLOCKS, // The "nb" field either didn't exist or was invalid - there should always been at least one block by the time we're downloading
ERROR_REPLAY_NOT_FOUND, // The server index was downloaded but the replay was not found
ERROR_INVALID_REPLAY_STATUS, // The server index was downloaded and the replay was found, but it had an invalid status
ERROR_INVALID_ORDER, // The server index was downloaded and the replay was found, but it had an invalid reconstruction order (-1)
ERROR_NO_SESSION_NAME, // No session name for entry
ERROR_UNKNOWN_SESSION, // The session info file points to a session (via its name) that the client doesn't know about
ERROR_DOWNLOAD_FAILED, // The session file failed to download
ERROR_BLOCK_READ_FAILED, // Failed to read a block - most likely an overflow
ERROR_COULD_NOT_CREATE_COMPRESSOR, // Could not create the ICompressor to decompress the payload
ERROR_INVALID_UNCOMPRESSED_SIZE, // Uncompressed size was not large enough to read at least one block
ERROR_PAYLOAD_DECOMPRESS_FAILED, // Decompression of the payload failed
ERROR_PAYLOAD_HASH_FAILED, // Used MD5 digest from header on payload and failed
};
ServerSessionInfoError_t m_nError;
HTTPError_t m_nHttpError;
private:
//
// CBaseThinker
//
float GetNextThinkTime() const;
void Think();
//
// IDownloadHandler
//
virtual void OnConnecting( CHttpDownloader *pDownloader ) {}
virtual void OnFetch( CHttpDownloader *pDownloader ) {}
virtual void OnDownloadComplete( CHttpDownloader *pDownloader, const unsigned char *pData );
const char *GetErrorString( int nError, HTTPError_t nHttpError ) const;
const CBaseRecordingSession *m_pSession;
CHttpDownloader *m_pDownloader;
bool m_bDone;
float m_flLastDownloadTime;
};
//----------------------------------------------------------------------------------------
#endif // SESSIONINFODOWNLOADER_H