/usr/include/rtd/RtdRemote.h is in skycat 3.1.2+starlink1~b+dfsg-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | // -*-c++-*-
#ifndef _RtdRemote_h_
#define _RtdRemote_h_
/*
* E.S.O. - VLT project
* "@(#) $Id: RtdRemote.h,v 1.1.1.1 2009/03/31 14:11:52 cguirao Exp $"
*
* RtdRemote.h - class definitions for managing remote access to the RTD
*
* See the man page for a complete description.
*
* who when what
* -------------- -------- ----------------------------------------
* Allan Brighton 04/03/96 Created
*/
#include "tk.h"
/*
* Class RtdRemote
*
*/
class RtdRemote {
protected:
int status_; // status after constructor
int port_; // port number for communication
int socket_; // socket for remote commands
int verbose_; // flag: if true, print diagnostic messages
Tcl_Interp* interp_; // Tcl interp (for file events, error handling)
enum {MAX_CLIENTS = 32}; // max number of client connections
struct Client {
int socket; // client socket for sending results
int callback_socket; // socket used for callback operations
#if (TCL_MAJOR_VERSION >= 8)
int handle; // file descriptor for events
#else
Tcl_File handle; // Tcl file handle for events
#endif
RtdRemote* thisPtr; // hook to get back to class from callback
};
Client clients_[MAX_CLIENTS]; // array of client connection sockets
Client* clientPtr_; // ptr to current client connection
// create a status file with pid/port info
int makeStatusFile(struct sockaddr_in& addr);
// method called by fileEventProc to accept new client connection
int fileEvent();
// method called by clientEventProc to read from client
int clientEvent(Client*);
// enter client socket in clients table
int enterClient(int sock);
// remove the client from the table
void removeClient(int sock);
// command methods
virtual int draw() {return 0;}
// call an rtdimage command method by name (defined in a derived class)
// (see RtdImage.C for local derived class)
virtual int call(const char* name, int len, int argc, char* argv[]) = 0;
// send a message to the client with "status length result"
int sendToClient(int socket, int status, int length, const char* result);
// evaluate the command buf as rtdimage subcommands
int evalClientCmd(const char* cmd);
public:
// constructor
RtdRemote(Tcl_Interp*, int port, int verbose);
// destructor
virtual ~RtdRemote();
// static file handler, called by Tk file handler for new connections
static void fileEventProc(ClientData, int mask);
// static file handler, called to read client socket
static void clientEventProc(ClientData, int mask);
// open the current client's callback socket on the given host and port
int setClientCallbackPort(const char* host, int port);
// member access
int status() {return status_;}
int port() {return port_;}
};
#endif /* _RtdRemote_h_ */
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