methods/rsh.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/// $Id: rsh.h,v 1.4 2002/11/09 23:33:26 doogie Exp $
   3 // $Id: rsh.h,v 1.4 2002/11/09 23:33:26 doogie Exp $
   4 /* ######################################################################
   5
   6    RSH method - Transfer files via rsh compatible program
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 #ifndef APT_RSH_H
  11 #define APT_RSH_H
  12
  13 #include <string>
  14 #include <time.h>
  15
  16 #include <apt-pkg/strutl.h>
  17
  18 class Hashes;
  19 class FileFd;
  20
  21 class RSHConn
  22 {
  23    char Buffer[1024*10];
  24    unsigned long Len;
  25    int WriteFd;
  26    int ReadFd;
  27    URI ServerName;
  28    std::string const Prog;
  29
  30    // Private helper functions
  31    bool ReadLine(std::string &Text);
  32
  33    public:
  34
  35    pid_t Process;
  36
  37    // Raw connection IO
  38    bool WriteMsg(std::string &Text,bool Sync,const char *Fmt,...);
  39    bool Connect(std::string Host, std::string User);
  40    bool Connect(std::string Host, unsigned int Port, std::string User);
  41    bool Comp(URI Other) const {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
  42
  43    // Connection control
  44    bool Open();
  45    void Close();
  46
  47    // Query
  48    bool Size(const char *Path,unsigned long long &Size);
  49    bool ModTime(const char *Path, time_t &Time);
  50    bool Get(const char *Path,FileFd &To,unsigned long long Resume,
  51             Hashes &Hash,bool &Missing, unsigned long long Size);
  52
  53    RSHConn(std::string const &Prog, URI Srv);
  54    ~RSHConn();
  55 };
  56
  57 #include "aptmethod.h"
  58
  59 class RSHMethod : public aptMethod
  60 {
  61    std::string const Prog;
  62    virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
  63    virtual bool Configuration(std::string Message) APT_OVERRIDE;
  64
  65    RSHConn *Server;
  66
  67    static std::string FailFile;
  68    static int FailFd;
  69    static time_t FailTime;
  70    static APT_NORETURN void SigTerm(int);
  71
  72    public:
  73
  74    explicit RSHMethod(std::string const &Prog);
  75 };
  76
  77 #endif