at_startup.H

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//
// performing some sanity checks
//

#if defined(__GNUG__) && __GNUC__ < 3
 #error "Please compile again with a newer version of GCC (version >= 3.2.x, better >=3.4.x)"
#endif

#if #cpu (x86_64)
 #ifndef ASM_X86_64
  #warning "inline assembler for X86_64 is disabled!"
  #warning "you may want to optimize your makefile settings!"
 #else
  #warning "there is rudimentary inline assembler support for X86_64, but sieving is still faster using X86_32 mode..."
  #warning "however, server + ecm is faster for X86_64"
 #endif
#else
 #ifdef ASM_X86_64
   #warning "please review the makefile!"
   #error "X86_64-inline assembler code for non-X86_64 compatible cpu/mode?"
 #endif
#endif

#if #cpu (i386)
 #ifndef ASM_386
   #warning "inline assembler for i386 is disabled!"
   #warning "you may want to optimize your makefile settings!"
 #endif

 #if defined(ASM_ATHLON)
   #ifndef ASM_CMOV
     #warning "using athlon-inline assembler, but ASM_CMOV not enabled!" 
     #warning "you may want to activate CMOV in the makefile, because ATHLON supports it!"
   #endif
 #endif
#else
 #ifdef ASM_386
   #warning "please review the makefile!"
   #error "i386-inline assembler code for non-i386 compatible cpu?"
 #endif
#endif

#if !defined (unix) && defined(USE_NETWORK)
  #error "network support only for Unix-systems"
#endif


#include <cstring>  // for strdup and friends...
#include <string>
#include <iostream>
#include <iomanip>
#include "utils.H"

using namespace std;


#ifndef USE_NETWORK
 #ifdef IS_SERVER
  #error "Illegal configuration: SERVER and no USE_NETWORK"
 #endif
#else
 #ifndef IS_STANDALONE
  #ifdef IS_SERVER
   #include <map>
  #endif
  #include "unix_buffer.H"
 #endif
#endif

#ifndef IS_SERVER
 #ifndef IS_CLIENT
  #undef IS_STANDALONE
  #define IS_STANDALONE
 #endif
#endif

#ifdef IS_SERVER
 #ifdef IS_CLIENT
  #error "Illegal Configuration SERVER-CLIENT"
 #else
  #ifdef IS_STANDALONE
   #error "Illegal Configuration SERVER-STANDALONE"
  #endif
 #endif
#endif

#ifdef IS_CLIENT
 #ifdef IS_STANDALONE
  #error "Illegal Configuration CLIENT-STANDALONE"
 #endif
#endif

#if defined(USE_FIBHEAP) && defined(USE_FAKEHEAP)
 #error "defines USE_FIBHEAP and USE_FAKEHEAP exclude each other!"
#endif

#ifdef REACT_ON_SIGUSR
 // a little class that catches signal SIGUSR1 and SIGUSR2
 // and stores these flags...
 // can be useful to abort some long-running algorithms
 // without aborting the program or altering configuration parameters.
 #include "usr_signals.cc"
 Cusr_signal_proxy USRSignalHandler;
#endif


// propagate IS_STANDALONE-condition from compiletime to runtime,
// so that certain modules can be compiled independently of it.
bool compiled_IS_STANDALONE()
{
  #ifdef IS_STANDALONE
   return true;
  #else
   return false;
  #endif
}



// output to screen/terminal can optionally be handled by a ncurses based
// wrapper, but on default all windows will be merged into cout.
#ifdef USE_NCURSES
 #include <my_ncurses.H>
#endif

ostream cout_titel(cout.rdbuf());
ostream cout_network(cout.rdbuf());
ostream cout_status(cout.rdbuf()); 


#ifdef USE_NCURSES
class Cncursed : private ForbidAssignment
{
private:
  static Cncursed* myself;
  static void suicide() { delete myself; }

  typedef streambuf* Pstreambuf;
  typedef Cwin* Pwin;
  Pstreambuf cout_titel_buf, cout_network_buf, cout_status_buf,
             cerr_buf, clog_buf, cout_buf;
  Pwin window1, window2, window3;
public:
 Cncursed()
 {
   if (myself)
    {
      MARK;
      cerr << "You may not call me twice, I'm unique!" << endl;
      exit(93);
    }
   myself=this; // I am myself, really!
   init_my_ncurses();
   window1 = new Cwin(8,0,0,0);
   window2 = new Cwin(8,0,8,0);
   window3 = new Cwin(0,0,16,0);
   cout_titel_buf=cout_titel.rdbuf(window1->rdbuf());
   cout_network_buf=cout_network.rdbuf(window1->rdbuf());
   cout_status_buf=cout_status.rdbuf(window2->rdbuf());
   cerr_buf=cerr.rdbuf(window2->rdbuf());
   clog_buf=clog.rdbuf(window2->rdbuf());
   cout_buf=cout.rdbuf(window3->rdbuf());
   atexit(suicide);
 }
 ~Cncursed()
 {
   cout_titel.rdbuf(cout_titel_buf);
   cout_network.rdbuf(cout_network_buf);
   cout_status.rdbuf(cout_status_buf);
   cerr.rdbuf(cerr_buf);
   clog.rdbuf(clog_buf);
   cout.rdbuf(cout_buf);
   delete window1; delete window2; delete window3;

   exit_my_ncurses();

#if 0
   // print statistical information before exiting,
   // since screen should be cleared now!
   display_StatusLegend();
   StatusReport(true);
#endif
 }
};
Cncursed* Cncursed::myself = NULL;
#endif


inline void PrintHeader(string name)
{
#if defined(VERSION)
  name=name+" "+VERSION;
#endif
  string author = "(C) 1998 - 2007 Thorsten Reinecke";
  string email = "(qsieve@thorstenreinecke.de)";
  const int L = 5+MAX(name.length(),MAX(author.length(),email.length()));
  const string sep(L,'-');
  int f;
  f=(L-name.length())>>1; name=string(f,' ')+name+string(f+1,' '); name.resize(L);
  f=(L-author.length())>>1; author=string(f,' ')+author+string(f+1,' '); author.resize(L);
  f=(L-email.length())>>1; email=string(f,' ')+email+string(f+1,' '); email.resize(L);
  cout_titel << " -" << sep << "-" << endl;
  cout_titel << "- " << name << " -" << endl;
  cout_titel << "- " << author << " -" << endl;
  cout_titel << "- " << email << " -" << endl;
  cout_titel << " -" << sep << "-" << endl;
#ifdef __GNUG__
  {
    const string s=__VERSION__;
    cout << "(" << __DATE__ << ", " << __TIME__ << " using ";
    if (s[0]<='9') cout << "gcc ";
    cout << __VERSION__ << ")" << endl;
  }
#endif
  cout << endl;
  cout << "This is free software; see the source for copying conditions.  There is NO" << endl
       << "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." << endl
       << endl;
}

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