rosaria/Legacy/Aria/ArNetworking/include/ArServerFileUtils.h

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2021-12-16 15:07:59 +01:00
#ifndef ARSERVERFILEUTILS_H
#define ARSERVERFILEUTILS_H
#include "Aria.h"
#include "ArServerBase.h"
/// Provides a list of files to clients
/**
* @note Linux only
*
This class is set up so that a client can get file information from
the robot, this class ONLY lists files, and doesn't do any
manipulation of them. You should use this class by using
ArClientFileLister and NOT by using this classes interface
directly, this is because the API is and will remain fairly
volatile, just use ArClientFileLister, if you need more
functionality let us know and we'll add it if its reasonable.
**/
class ArServerFileLister
{
public:
/// Constructor
AREXPORT ArServerFileLister(ArServerBase *server, const char *topDir,
const char *defaultUploadDownloadDir = NULL);
/// Destructor
AREXPORT virtual ~ArServerFileLister();
/// The function that gets the directory listing
AREXPORT void getDirListing(ArServerClient *client,
ArNetPacket *packet);
/// The function that gets the directory listing in a better way
AREXPORT void getDirListingMultiplePackets(ArServerClient *client,
ArNetPacket *packet);
/// The function that gets the default upload/download dir
AREXPORT void getDefaultUploadDownloadDir(
ArServerClient *client, ArNetPacket *packet);
protected:
char myBaseDir[2048];
std::string myDefaultUploadDownloadDir;
ArServerBase *myServer;
ArFunctor2C<ArServerFileLister, ArServerClient *,
ArNetPacket *> myGetDirListingCB;
ArFunctor2C<ArServerFileLister, ArServerClient *,
ArNetPacket *> myGetDirListingMultiplePacketsCB;
ArFunctor2C<ArServerFileLister, ArServerClient *,
ArNetPacket *> myGetDefaultUploadDownloadDirCB;
};
// ----------------------------------------------------------------------------
// ArServerFileToClient
// ----------------------------------------------------------------------------
/// Gets files from the server
/**
* @note Linux only
*
This class is set up so that a client can get files the robot, this
class ONLY gets files. You should use this class by using
ArClientFileToClient and NOT by using this classes interface
directly, this is because the API is and will remain fairly
volatile... if you need more functionality let us know and we'll
add it if its reasonable.
**/
class ArServerFileToClient
{
public:
/// Constructor
AREXPORT ArServerFileToClient(ArServerBase *server, const char *topDir);
/// Destructor
AREXPORT virtual ~ArServerFileToClient();
/// Gets the file
AREXPORT void getFile(ArServerClient *client,
ArNetPacket *packet);
/// Gets the file, and sets its timestamp to the original server value
AREXPORT void getFileWithTimestamp(ArServerClient *client,
ArNetPacket *packet);
protected:
AREXPORT void doGetFile(ArServerClient *client,
ArNetPacket *packet,
bool isSetTimestamp);
protected:
char myBaseDir[2048];
ArServerBase *myServer;
ArFunctor2C<ArServerFileToClient,
ArServerClient *,
ArNetPacket *> myGetFileCB;
ArFunctor2C<ArServerFileToClient,
ArServerClient *,
ArNetPacket *> myGetFileWithTimestampCB;
};
// ----------------------------------------------------------------------------
// ArServerFileToClient
// ----------------------------------------------------------------------------
/// Puts files onto the server
/**
* @note Linux only
*
This class is set up so that a client can put files on the robot,
this class ONLY puts files. This class will take a file from a
client, writing it into the tempDir given in the constructor, then
after receiving the file it'll move it over to the actual location
requested. You should use this class by using ArClientFileToClient
and NOT by using this classes interface directly, this is because
the API is and will remain fairly volatile... if you need more
functionality let us know and we'll add it if its reasonable.
**/
class ArServerFileFromClient
{
public:
/// Constructor
AREXPORT ArServerFileFromClient(ArServerBase *server, const char *topDir,
const char *tempDir);
/// Destructor
AREXPORT virtual ~ArServerFileFromClient();
/// Puts the file
AREXPORT void putFile(ArServerClient *client,
ArNetPacket *packet);
/// Puts the file with interleaved responses
AREXPORT void putFileInterleaved(ArServerClient *client,
ArNetPacket *packet);
/// Puts the file
AREXPORT void putFileWithTimestamp(ArServerClient *client,
ArNetPacket *packet);
/// Puts the file with interleaved responses
AREXPORT void putFileWithTimestampInterleaved(ArServerClient *client,
ArNetPacket *packet);
/// Adds a callback to be called before moving from temp dir to final loc
AREXPORT void addPreMoveCallback(
ArFunctor *functor, ArListPos::Pos position = ArListPos::LAST);
/// Removes a callback to be called before moving from temp dir to final loc
AREXPORT void remPreMoveCallback(ArFunctor *functor);
/// Adds a callback to be called after moving from temp dir to final loc
AREXPORT void addPostMoveCallback(
ArFunctor *functor, ArListPos::Pos position = ArListPos::LAST);
/// Removes a callback to be called after moving from temp dir to final loc
AREXPORT void remPostMoveCallback(ArFunctor *functor);
/// Internal call for getting the name of the file we're moving
const char *getMovingFileName(void) { return myMovingFileName.c_str(); }
protected:
AREXPORT void internalPutFile(ArServerClient *client,
ArNetPacket *packet,
bool interleaved,
bool isSetTimestamp);
char myBaseDir[2048];
char myTempDir[2048];
ArServerBase *myServer;
std::list<ArFunctor *> myPreMoveCallbacks;
std::list<ArFunctor *> myPostMoveCallbacks;
ArFunctor2C<ArServerFileFromClient, ArServerClient *,
ArNetPacket *> myPutFileCB;
ArFunctor2C<ArServerFileFromClient, ArServerClient *,
ArNetPacket *> myPutFileInterleavedCB;
ArFunctor2C<ArServerFileFromClient, ArServerClient *,
ArNetPacket *> myPutFileWithTimestampCB;
ArFunctor2C<ArServerFileFromClient, ArServerClient *,
ArNetPacket *> myPutFileWithTimestampInterleavedCB;
std::string myMovingFileName;
int myFileNumber;
class FileInfo
{
public:
FileInfo() { myFile = NULL; }
virtual ~FileInfo() {}
std::string myRealFileName;
std::string myTempFileName;
FILE *myFile;
ArTime myStartedTransfer;
ArTime myLastActivity;
time_t myFileTimestamp;
// pointer to the client that is sending the file, we can compare
// this against other client pointers but WE CANNOT ACCESS THE OLD
// ONE since its possible that it disconnected and is an invalid
// pointer
ArServerClient *myClient;
ArTime myClientCreationTime;
};
// map of raw filenames to FileInfo (so we don't have to walk it all the time)
std::map<std::string, FileInfo *> myMap;
};
/// Deletes files from the server
/**
* @note Linux only
*
This class is set up so that a client can get delete files on the
robot, this class ONLY deletes files. You should use this class by
using ArClientDeleteFileOnServer and NOT by using this classes
interface directly, this is because the API is and will remain
fairly volatile... if you need more functionality let us know and
we'll add it if its reasonable.
**/
class ArServerDeleteFileOnServer
{
public:
/// Constructor
AREXPORT ArServerDeleteFileOnServer(ArServerBase *server,
const char *topDir);
/// Destructor
AREXPORT virtual ~ArServerDeleteFileOnServer();
/// Deletes the file
AREXPORT void deleteFile(ArServerClient *client,
ArNetPacket *packet);
/// Adds a callback to be called before moving from temp dir to final loc
AREXPORT void addPreDeleteCallback(
ArFunctor *functor, ArListPos::Pos position = ArListPos::LAST);
/// Removes a callback to be called before moving from temp dir to final loc
AREXPORT void remPreDeleteCallback(ArFunctor *functor);
/// Adds a callback to be called after moving from temp dir to final loc
AREXPORT void addPostDeleteCallback(
ArFunctor *functor, ArListPos::Pos position = ArListPos::LAST);
/// Removes a callback to be called after moving from temp dir to final loc
AREXPORT void remPostDeleteCallback(ArFunctor *functor);
/// Gets the filename of the file we're deleting
const char *getDeletingFileName(void) { return myDeletingFileName.c_str(); }
protected:
char myBaseDir[2048];
ArServerBase *myServer;
ArFunctor2C<ArServerDeleteFileOnServer, ArServerClient *,
ArNetPacket *> myDeleteFileCB;
std::string myDeletingFileName;
std::list<ArFunctor *> myPreDeleteCallbacks;
std::list<ArFunctor *> myPostDeleteCallbacks;
};
#endif // ARSERVERFILEUTILS_H