apt-private/acqprogress.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: acqprogress.cc,v 1.24 2003/04/27 01:56:48 doogie Exp $
   4 /* ######################################################################
   5
   6    Acquire Progress - Command line progress meter
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 // Include files                                                        /*{{{*/
  11 #include<config.h>
  12
  13 #include <apt-pkg/acquire.h>
  14 #include <apt-pkg/acquire-item.h>
  15 #include <apt-pkg/acquire-worker.h>
  16 #include <apt-pkg/configuration.h>
  17 #include <apt-pkg/strutl.h>
  18 #include <apt-pkg/error.h>
  19
  20 #include <apt-private/acqprogress.h>
  21
  22 #include <string.h>
  23 #include <stdio.h>
  24 #include <signal.h>
  25 #include <iostream>
  26 #include <unistd.h>
  27
  28 #include <apti18n.h>
  29                                                                         /*}}}*/
  30
  31 using namespace std;
  32
  33 // AcqTextStatus::AcqTextStatus - Constructor                           /*{{{*/
  34 // ---------------------------------------------------------------------
  35 /* */
  36 AcqTextStatus::AcqTextStatus(unsigned int &ScreenWidth,unsigned int const Quiet) :
  37     pkgAcquireStatus(), ScreenWidth(ScreenWidth), ID(0), Quiet(Quiet)
  38 {
  39    BlankLine[0] = 0;
  40    // testcases use it to disable pulses without disabling other user messages
  41    if (Quiet == 0 && _config->FindB("quiet::NoUpdate", false) == true)
  42       this->Quiet = 1;
  43 }
  44                                                                         /*}}}*/
  45 // AcqTextStatus::Start - Downloading has started                       /*{{{*/
  46 // ---------------------------------------------------------------------
  47 /* */
  48 void AcqTextStatus::Start()
  49 {
  50    pkgAcquireStatus::Start();
  51    BlankLine[0] = 0;
  52    ID = 1;
  53 }
  54                                                                         /*}}}*/
  55 // AcqTextStatus::IMSHit - Called when an item got a HIT response       /*{{{*/
  56 // ---------------------------------------------------------------------
  57 /* */
  58 void AcqTextStatus::IMSHit(pkgAcquire::ItemDesc &Itm)
  59 {
  60    if (Quiet > 1)
  61       return;
  62
  63    if (Quiet <= 0)
  64       cout << '\r' << BlankLine << '\r';
  65
  66    cout << _("Hit ") << Itm.Description;
  67    cout << endl;
  68    Update = true;
  69 }
  70                                                                         /*}}}*/
  71 // AcqTextStatus::Fetch - An item has started to download               /*{{{*/
  72 // ---------------------------------------------------------------------
  73 /* This prints out the short description and the expected size */
  74 void AcqTextStatus::Fetch(pkgAcquire::ItemDesc &Itm)
  75 {
  76    Update = true;
  77    if (Itm.Owner->Complete == true)
  78       return;
  79
  80    Itm.Owner->ID = ID++;
  81
  82    if (Quiet > 1)
  83       return;
  84
  85    if (Quiet <= 0)
  86       cout << '\r' << BlankLine << '\r';
  87
  88    cout << _("Get:") << Itm.Owner->ID << ' ' << Itm.Description;
  89    if (Itm.Owner->FileSize != 0)
  90       cout << " [" << SizeToStr(Itm.Owner->FileSize) << "B]";
  91    cout << endl;
  92 }
  93                                                                         /*}}}*/
  94 // AcqTextStatus::Done - Completed a download                           /*{{{*/
  95 // ---------------------------------------------------------------------
  96 /* We don't display anything... */
  97 void AcqTextStatus::Done(pkgAcquire::ItemDesc &/*Itm*/)
  98 {
  99    Update = true;
 100 }
 101                                                                         /*}}}*/
 102 // AcqTextStatus::Fail - Called when an item fails to download          /*{{{*/
 103 // ---------------------------------------------------------------------
 104 /* We print out the error text  */
 105 void AcqTextStatus::Fail(pkgAcquire::ItemDesc &Itm)
 106 {
 107    if (Quiet > 1)
 108       return;
 109
 110    // Ignore certain kinds of transient failures (bad code)
 111    if (Itm.Owner->Status == pkgAcquire::Item::StatIdle)
 112       return;
 113
 114    if (Quiet <= 0)
 115       cout << '\r' << BlankLine << '\r';
 116
 117    if (Itm.Owner->Status == pkgAcquire::Item::StatDone)
 118    {
 119       cout << _("Ign ") << Itm.Description << endl;
 120    }
 121    else
 122    {
 123       cout << _("Err ") << Itm.Description << endl;
 124       cout << "  " << Itm.Owner->ErrorText << endl;
 125    }
 126
 127    Update = true;
 128 }
 129                                                                         /*}}}*/
 130 // AcqTextStatus::Stop - Finished downloading                           /*{{{*/
 131 // ---------------------------------------------------------------------
 132 /* This prints out the bytes downloaded and the overall average line
 133    speed */
 134 void AcqTextStatus::Stop()
 135 {
 136    pkgAcquireStatus::Stop();
 137    if (Quiet > 1)
 138       return;
 139
 140    if (Quiet <= 0)
 141       cout << '\r' << BlankLine << '\r' << flush;
 142
 143    if (FetchedBytes != 0 && _error->PendingError() == false)
 144       ioprintf(cout,_("Fetched %sB in %s (%sB/s)\n"),
 145                SizeToStr(FetchedBytes).c_str(),
 146                TimeToStr(ElapsedTime).c_str(),
 147                SizeToStr(CurrentCPS).c_str());
 148 }
 149                                                                         /*}}}*/
 150 // AcqTextStatus::Pulse - Regular event pulse                           /*{{{*/
 151 // ---------------------------------------------------------------------
 152 /* This draws the current progress. Each line has an overall percent
 153    meter and a per active item status meter along with an overall
 154    bandwidth and ETA indicator. */
 155 bool AcqTextStatus::Pulse(pkgAcquire *Owner)
 156 {
 157    pkgAcquireStatus::Pulse(Owner);
 158
 159    if (Quiet > 0)
 160       return true;
 161
 162    enum {Long = 0,Medium,Short} Mode = Medium;
 163
 164    char Buffer[sizeof(BlankLine)];
 165    char *End = Buffer + sizeof(Buffer);
 166    char *S = Buffer;
 167    if (ScreenWidth >= sizeof(Buffer))
 168       ScreenWidth = sizeof(Buffer)-1;
 169
 170    // Put in the percent done
 171    sprintf(S,"%.0f%%", Percent);
 172
 173    bool Shown = false;
 174    for (pkgAcquire::Worker *I = Owner->WorkersBegin(); I != 0;
 175         I = Owner->WorkerStep(I))
 176    {
 177       S += strlen(S);
 178
 179       // There is no item running
 180       if (I->CurrentItem == 0)
 181       {
 182          if (I->Status.empty() == false)
 183          {
 184             snprintf(S,End-S," [%s]",I->Status.c_str());
 185             Shown = true;
 186          }
 187
 188          continue;
 189       }
 190
 191       Shown = true;
 192
 193       // Add in the short description
 194       if (I->CurrentItem->Owner->ID != 0)
 195          snprintf(S,End-S," [%lu %s",I->CurrentItem->Owner->ID,
 196                   I->CurrentItem->ShortDesc.c_str());
 197       else
 198          snprintf(S,End-S," [%s",I->CurrentItem->ShortDesc.c_str());
 199       S += strlen(S);
 200
 201       // Show the short mode string
 202       if (I->CurrentItem->Owner->Mode != 0)
 203       {
 204          snprintf(S,End-S," %s",I->CurrentItem->Owner->Mode);
 205          S += strlen(S);
 206       }
 207
 208       // Add the current progress
 209       if (Mode == Long)
 210          snprintf(S,End-S," %llu",I->CurrentSize);
 211       else
 212       {
 213          if (Mode == Medium || I->TotalSize == 0)
 214             snprintf(S,End-S," %sB",SizeToStr(I->CurrentSize).c_str());
 215       }
 216       S += strlen(S);
 217
 218       // Add the total size and percent
 219       if (I->TotalSize > 0 && I->CurrentItem->Owner->Complete == false)
 220       {
 221          if (Mode == Short)
 222             snprintf(S,End-S," %.0f%%",
 223                      (I->CurrentSize*100.0)/I->TotalSize);
 224          else
 225             snprintf(S,End-S,"/%sB %.0f%%",SizeToStr(I->TotalSize).c_str(),
 226                      (I->CurrentSize*100.0)/I->TotalSize);
 227       }
 228       S += strlen(S);
 229       snprintf(S,End-S,"]");
 230    }
 231
 232    // Show something..
 233    if (Shown == false)
 234       snprintf(S,End-S,_(" [Working]"));
 235
 236    /* Put in the ETA and cps meter, block off signals to prevent strangeness
 237       during resizing */
 238    sigset_t Sigs,OldSigs;
 239    sigemptyset(&Sigs);
 240    sigaddset(&Sigs,SIGWINCH);
 241    sigprocmask(SIG_BLOCK,&Sigs,&OldSigs);
 242
 243    if (CurrentCPS != 0)
 244    {
 245       char Tmp[300];
 246       unsigned long long ETA = (TotalBytes - CurrentBytes)/CurrentCPS;
 247       sprintf(Tmp," %sB/s %s",SizeToStr(CurrentCPS).c_str(),TimeToStr(ETA).c_str());
 248       unsigned int Len = strlen(Buffer);
 249       unsigned int LenT = strlen(Tmp);
 250       if (Len + LenT < ScreenWidth)
 251       {
 252          memset(Buffer + Len,' ',ScreenWidth - Len);
 253          strcpy(Buffer + ScreenWidth - LenT,Tmp);
 254       }
 255    }
 256    Buffer[ScreenWidth] = 0;
 257    BlankLine[ScreenWidth] = 0;
 258    sigprocmask(SIG_SETMASK,&OldSigs,0);
 259
 260    // Draw the current status
 261    if (_config->FindB("Apt::Color", false) == true)
 262       cout << _config->Find("APT::Color::Yellow");
 263    if (strlen(Buffer) == strlen(BlankLine))
 264       cout << '\r' << Buffer << flush;
 265    else
 266       cout << '\r' << BlankLine << '\r' << Buffer << flush;
 267    if (_config->FindB("Apt::Color", false) == true)
 268       cout << _config->Find("APT::Color::Neutral") << flush;
 269
 270    memset(BlankLine,' ',strlen(Buffer));
 271    BlankLine[strlen(Buffer)] = 0;
 272
 273    Update = false;
 274
 275    return true;
 276 }
 277                                                                         /*}}}*/
 278 // AcqTextStatus::MediaChange - Media need to be swapped                /*{{{*/
 279 // ---------------------------------------------------------------------
 280 /* Prompt for a media swap */
 281 bool AcqTextStatus::MediaChange(string Media,string Drive)
 282 {
 283    // If we do not output on a terminal and one of the options to avoid user
 284    // interaction is given, we assume that no user is present who could react
 285    // on your media change request
 286    if (isatty(STDOUT_FILENO) != 1 && Quiet >= 2 &&
 287        (_config->FindB("APT::Get::Assume-Yes",false) == true ||
 288         _config->FindB("APT::Get::Force-Yes",false) == true ||
 289         _config->FindB("APT::Get::Trivial-Only",false) == true))
 290
 291       return false;
 292
 293    if (Quiet <= 0)
 294       cout << '\r' << BlankLine << '\r';
 295    ioprintf(cout,_("Media change: please insert the disc labeled\n"
 296                    " '%s'\n"
 297                    "in the drive '%s' and press enter\n"),
 298             Media.c_str(),Drive.c_str());
 299
 300    char C = 0;
 301    bool bStatus = true;
 302    while (C != '\n' && C != '\r')
 303    {
 304       int len = read(STDIN_FILENO,&C,1);
 305       if(C == 'c' || len <= 0)
 306          bStatus = false;
 307    }
 308
 309    if(bStatus)
 310       Update = true;
 311    return bStatus;
 312 }
 313                                                                         /*}}}*/