You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.0 KiB
79 lines
2.0 KiB
5 years ago
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
//=============================================================================//
|
||
|
|
|
||
|
|
#ifndef FILETRANSFERMGR_H
|
||
|
|
#define FILETRANSFERMGR_H
|
||
|
|
#ifdef _WIN32
|
||
|
|
#pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#include "inetchannel.h"
|
||
|
|
|
||
|
|
|
||
|
|
typedef int FileTransferID_t;
|
||
|
|
|
||
|
|
|
||
|
|
abstract_class CFileTransferMgr
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
CFileTransferMgr();
|
||
|
|
virtual ~CFileTransferMgr();
|
||
|
|
|
||
|
|
// Start transmitting a file.
|
||
|
|
// The user data is sent in the header and can include the filename, its ID, or whatever.
|
||
|
|
FileTransferID_t StartSending(
|
||
|
|
INetChannel *pDest,
|
||
|
|
const void *pUserData,
|
||
|
|
int userDataLength,
|
||
|
|
const char *pFileData,
|
||
|
|
int fileLength,
|
||
|
|
int bytesPerSecond );
|
||
|
|
|
||
|
|
// Kill all file transfers on this channel.
|
||
|
|
void HandleClientDisconnect( INetChannel *pChannel );
|
||
|
|
|
||
|
|
// Call this when data comes in.
|
||
|
|
void HandleReceivedData( INetChannel *pChannel, const void *pData, int len );
|
||
|
|
|
||
|
|
// Iterate the list of files being downloaded.
|
||
|
|
int FirstIncoming() const;
|
||
|
|
int NextIncoming( int i ) const;
|
||
|
|
int InvalidIncoming() const;
|
||
|
|
void GetIncomingUserData( int i, const void* &pData, int &dataLen );
|
||
|
|
|
||
|
|
// Overridables.
|
||
|
|
public:
|
||
|
|
|
||
|
|
// Send outgoing data for a file (reliably).
|
||
|
|
// Returns false if it was unable to send the chunk. If this happens, the file transfer manager
|
||
|
|
// will retry the chunk a few times, and eventually cancel the file transfer if the problem keeps happening.
|
||
|
|
virtual bool SendChunk( INetChannel *pDest, const void *pData, int len ) = 0;
|
||
|
|
|
||
|
|
// Had to stop sending because there was a problem sending a chunk, or
|
||
|
|
// the net channel went away.
|
||
|
|
virtual void OnSendCancelled( FileTransferID_t id ) = 0;
|
||
|
|
|
||
|
|
// Called when it's done transmitting a file.
|
||
|
|
virtual void OnFinishedSending(
|
||
|
|
INetChannel *pDest,
|
||
|
|
const void *pUserData,
|
||
|
|
int userDataLen,
|
||
|
|
FileTransferID_t id ) = 0;
|
||
|
|
|
||
|
|
// Called when a file is received.
|
||
|
|
virtual void OnFileReceived(
|
||
|
|
INetChannel *pChan,
|
||
|
|
const void *pUserData,
|
||
|
|
int userDataLength,
|
||
|
|
const char *pFileData,
|
||
|
|
int fileLength ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif // FILETRANSFERMGR_H
|