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 (_config->FindB("quiet::NoStatistic", false) == true)
 144       return;
 145
 146    if (FetchedBytes != 0 && _error->PendingError() == false)
 147       ioprintf(cout,_("Fetched %sB in %s (%sB/s)\n"),
 148                SizeToStr(FetchedBytes).c_str(),
 149                TimeToStr(ElapsedTime).c_str(),
 150                SizeToStr(CurrentCPS).c_str());
 151 }
 152                                                                         /*}}}*/
 153 // AcqTextStatus::Pulse - Regular event pulse                           /*{{{*/
 154 // ---------------------------------------------------------------------
 155 /* This draws the current progress. Each line has an overall percent
 156    meter and a per active item status meter along with an overall
 157    bandwidth and ETA indicator. */
 158 bool AcqTextStatus::Pulse(pkgAcquire *Owner)
 159 {
 160    pkgAcquireStatus::Pulse(Owner);
 161
 162    if (Quiet > 0)
 163       return true;
 164
 165    enum {Long = 0,Medium,Short} Mode = Medium;
 166
 167    char Buffer[sizeof(BlankLine)];
 168    char *End = Buffer + sizeof(Buffer);
 169    char *S = Buffer;
 170    if (ScreenWidth >= sizeof(Buffer))
 171       ScreenWidth = sizeof(Buffer)-1;
 172
 173    // Put in the percent done
 174    sprintf(S,"%.0f%%", Percent);
 175
 176    bool Shown = false;
 177    for (pkgAcquire::Worker *I = Owner->WorkersBegin(); I != 0;
 178         I = Owner->WorkerStep(I))
 179    {
 180       S += strlen(S);
 181
 182       // There is no item running
 183       if (I->CurrentItem == 0)
 184       {
 185          if (I->Status.empty() == false)
 186          {
 187             snprintf(S,End-S," [%s]",I->Status.c_str());
 188             Shown = true;
 189          }
 190
 191          continue;
 192       }
 193
 194       Shown = true;
 195
 196       // Add in the short description
 197       if (I->CurrentItem->Owner->ID != 0)
 198          snprintf(S,End-S," [%lu %s",I->CurrentItem->Owner->ID,
 199                   I->CurrentItem->ShortDesc.c_str());
 200       else
 201          snprintf(S,End-S," [%s",I->CurrentItem->ShortDesc.c_str());
 202       S += strlen(S);
 203
 204       // Show the short mode string
 205       if (I->CurrentItem->Owner->ActiveSubprocess.empty() == false)
 206       {
 207          snprintf(S,End-S, " %s", I->CurrentItem->Owner->ActiveSubprocess.c_str());
 208          S += strlen(S);
 209       }
 210
 211       // Add the current progress
 212       if (Mode == Long)
 213          snprintf(S,End-S," %llu",I->CurrentSize);
 214       else
 215       {
 216          if (Mode == Medium || I->TotalSize == 0)
 217             snprintf(S,End-S," %sB",SizeToStr(I->CurrentSize).c_str());
 218       }
 219       S += strlen(S);
 220
 221       // Add the total size and percent
 222       if (I->TotalSize > 0 && I->CurrentItem->Owner->Complete == false)
 223       {
 224          if (Mode == Short)
 225             snprintf(S,End-S," %.0f%%",
 226                      (I->CurrentSize*100.0)/I->TotalSize);
 227          else
 228             snprintf(S,End-S,"/%sB %.0f%%",SizeToStr(I->TotalSize).c_str(),
 229                      (I->CurrentSize*100.0)/I->TotalSize);
 230       }
 231       S += strlen(S);
 232       snprintf(S,End-S,"]");
 233    }
 234
 235    // Show something..
 236    if (Shown == false)
 237       snprintf(S,End-S,_(" [Working]"));
 238
 239    /* Put in the ETA and cps meter, block off signals to prevent strangeness
 240       during resizing */
 241    sigset_t Sigs,OldSigs;
 242    sigemptyset(&Sigs);
 243    sigaddset(&Sigs,SIGWINCH);
 244    sigprocmask(SIG_BLOCK,&Sigs,&OldSigs);
 245
 246    if (CurrentCPS != 0)
 247    {
 248       char Tmp[300];
 249       unsigned long long ETA = (TotalBytes - CurrentBytes)/CurrentCPS;
 250       sprintf(Tmp," %sB/s %s",SizeToStr(CurrentCPS).c_str(),TimeToStr(ETA).c_str());
 251       unsigned int Len = strlen(Buffer);
 252       unsigned int LenT = strlen(Tmp);
 253       if (Len + LenT < ScreenWidth)
 254       {
 255          memset(Buffer + Len,' ',ScreenWidth - Len);
 256          strcpy(Buffer + ScreenWidth - LenT,Tmp);
 257       }
 258    }
 259    Buffer[ScreenWidth] = 0;
 260    BlankLine[ScreenWidth] = 0;
 261    sigprocmask(SIG_SETMASK,&OldSigs,0);
 262
 263    // Draw the current status
 264    if (_config->FindB("Apt::Color", false) == true)
 265       cout << _config->Find("APT::Color::Yellow");
 266    if (strlen(Buffer) == strlen(BlankLine))
 267       cout << '\r' << Buffer << flush;
 268    else
 269       cout << '\r' << BlankLine << '\r' << Buffer << flush;
 270    if (_config->FindB("Apt::Color", false) == true)
 271       cout << _config->Find("APT::Color::Neutral") << flush;
 272
 273    memset(BlankLine,' ',strlen(Buffer));
 274    BlankLine[strlen(Buffer)] = 0;
 275
 276    Update = false;
 277
 278    return true;
 279 }
 280                                                                         /*}}}*/
 281 // AcqTextStatus::MediaChange - Media need to be swapped                /*{{{*/
 282 // ---------------------------------------------------------------------
 283 /* Prompt for a media swap */
 284 bool AcqTextStatus::MediaChange(string Media,string Drive)
 285 {
 286    // If we do not output on a terminal and one of the options to avoid user
 287    // interaction is given, we assume that no user is present who could react
 288    // on your media change request
 289    if (isatty(STDOUT_FILENO) != 1 && Quiet >= 2 &&
 290        (_config->FindB("APT::Get::Assume-Yes",false) == true ||
 291         _config->FindB("APT::Get::Force-Yes",false) == true ||
 292         _config->FindB("APT::Get::Trivial-Only",false) == true))
 293
 294       return false;
 295
 296    if (Quiet <= 0)
 297       cout << '\r' << BlankLine << '\r';
 298    ioprintf(cout,_("Media change: please insert the disc labeled\n"
 299                    " '%s'\n"
 300                    "in the drive '%s' and press enter\n"),
 301             Media.c_str(),Drive.c_str());
 302
 303    char C = 0;
 304    bool bStatus = true;
 305    while (C != '\n' && C != '\r')
 306    {
 307       int len = read(STDIN_FILENO,&C,1);
 308       if(C == 'c' || len <= 0)
 309          bStatus = false;
 310    }
 311
 312    if(bStatus)
 313       Update = true;
 314    return bStatus;
 315 }
 316                                                                         /*}}}*/