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    if (Itm.Owner->FileSize != 0)
  68       cout << " [" << SizeToStr(Itm.Owner->FileSize) << "B]";
  69    cout << endl;
  70    Update = true;
  71 }
  72                                                                         /*}}}*/
  73 // AcqTextStatus::Fetch - An item has started to download               /*{{{*/
  74 // ---------------------------------------------------------------------
  75 /* This prints out the short description and the expected size */
  76 void AcqTextStatus::Fetch(pkgAcquire::ItemDesc &Itm)
  77 {
  78    Update = true;
  79    if (Itm.Owner->Complete == true)
  80       return;
  81
  82    Itm.Owner->ID = ID++;
  83
  84    if (Quiet > 1)
  85       return;
  86
  87    if (Quiet <= 0)
  88       cout << '\r' << BlankLine << '\r';
  89
  90    cout << _("Get:") << Itm.Owner->ID << ' ' << Itm.Description;
  91    if (Itm.Owner->FileSize != 0)
  92       cout << " [" << SizeToStr(Itm.Owner->FileSize) << "B]";
  93    cout << endl;
  94 }
  95                                                                         /*}}}*/
  96 // AcqTextStatus::Done - Completed a download                           /*{{{*/
  97 // ---------------------------------------------------------------------
  98 /* We don't display anything... */
  99 void AcqTextStatus::Done(pkgAcquire::ItemDesc &/*Itm*/)
 100 {
 101    Update = true;
 102 }
 103                                                                         /*}}}*/
 104 // AcqTextStatus::Fail - Called when an item fails to download          /*{{{*/
 105 // ---------------------------------------------------------------------
 106 /* We print out the error text  */
 107 void AcqTextStatus::Fail(pkgAcquire::ItemDesc &Itm)
 108 {
 109    if (Quiet > 1)
 110       return;
 111
 112    // Ignore certain kinds of transient failures (bad code)
 113    if (Itm.Owner->Status == pkgAcquire::Item::StatIdle)
 114       return;
 115
 116    if (Quiet <= 0)
 117       cout << '\r' << BlankLine << '\r';
 118
 119    if (Itm.Owner->Status == pkgAcquire::Item::StatDone)
 120    {
 121       cout << _("Ign ") << Itm.Description << endl;
 122    }
 123    else
 124    {
 125       cout << _("Err ") << Itm.Description << endl;
 126       cout << "  " << Itm.Owner->ErrorText << endl;
 127    }
 128
 129    Update = true;
 130 }
 131                                                                         /*}}}*/
 132 // AcqTextStatus::Stop - Finished downloading                           /*{{{*/
 133 // ---------------------------------------------------------------------
 134 /* This prints out the bytes downloaded and the overall average line
 135    speed */
 136 void AcqTextStatus::Stop()
 137 {
 138    pkgAcquireStatus::Stop();
 139    if (Quiet > 1)
 140       return;
 141
 142    if (Quiet <= 0)
 143       cout << '\r' << BlankLine << '\r' << flush;
 144
 145    if (FetchedBytes != 0 && _error->PendingError() == false)
 146       ioprintf(cout,_("Fetched %sB in %s (%sB/s)\n"),
 147                SizeToStr(FetchedBytes).c_str(),
 148                TimeToStr(ElapsedTime).c_str(),
 149                SizeToStr(CurrentCPS).c_str());
 150 }
 151                                                                         /*}}}*/
 152 // AcqTextStatus::Pulse - Regular event pulse                           /*{{{*/
 153 // ---------------------------------------------------------------------
 154 /* This draws the current progress. Each line has an overall percent
 155    meter and a per active item status meter along with an overall
 156    bandwidth and ETA indicator. */
 157 bool AcqTextStatus::Pulse(pkgAcquire *Owner)
 158 {
 159    pkgAcquireStatus::Pulse(Owner);
 160
 161    if (Quiet > 0)
 162       return true;
 163
 164    enum {Long = 0,Medium,Short} Mode = Medium;
 165
 166    char Buffer[sizeof(BlankLine)];
 167    char *End = Buffer + sizeof(Buffer);
 168    char *S = Buffer;
 169    if (ScreenWidth >= sizeof(Buffer))
 170       ScreenWidth = sizeof(Buffer)-1;
 171
 172    // Put in the percent done
 173    sprintf(S,"%.0f%%",((CurrentBytes + CurrentItems)*100.0)/(TotalBytes+TotalItems));
 174
 175    bool Shown = false;
 176    for (pkgAcquire::Worker *I = Owner->WorkersBegin(); I != 0;
 177         I = Owner->WorkerStep(I))
 178    {
 179       S += strlen(S);
 180
 181       // There is no item running
 182       if (I->CurrentItem == 0)
 183       {
 184          if (I->Status.empty() == false)
 185          {
 186             snprintf(S,End-S," [%s]",I->Status.c_str());
 187             Shown = true;
 188          }
 189
 190          continue;
 191       }
 192
 193       Shown = true;
 194
 195       // Add in the short description
 196       if (I->CurrentItem->Owner->ID != 0)
 197          snprintf(S,End-S," [%lu %s",I->CurrentItem->Owner->ID,
 198                   I->CurrentItem->ShortDesc.c_str());
 199       else
 200          snprintf(S,End-S," [%s",I->CurrentItem->ShortDesc.c_str());
 201       S += strlen(S);
 202
 203       // Show the short mode string
 204       if (I->CurrentItem->Owner->Mode != 0)
 205       {
 206          snprintf(S,End-S," %s",I->CurrentItem->Owner->Mode);
 207          S += strlen(S);
 208       }
 209
 210       // Add the current progress
 211       if (Mode == Long)
 212          snprintf(S,End-S," %llu",I->CurrentSize);
 213       else
 214       {
 215          if (Mode == Medium || I->TotalSize == 0)
 216             snprintf(S,End-S," %sB",SizeToStr(I->CurrentSize).c_str());
 217       }
 218       S += strlen(S);
 219
 220       // Add the total size and percent
 221       if (I->TotalSize > 0 && I->CurrentItem->Owner->Complete == false)
 222       {
 223          if (Mode == Short)
 224             snprintf(S,End-S," %.0f%%",
 225                      (I->CurrentSize*100.0)/I->TotalSize);
 226          else
 227             snprintf(S,End-S,"/%sB %.0f%%",SizeToStr(I->TotalSize).c_str(),
 228                      (I->CurrentSize*100.0)/I->TotalSize);
 229       }
 230       S += strlen(S);
 231       snprintf(S,End-S,"]");
 232    }
 233
 234    // Show something..
 235    if (Shown == false)
 236       snprintf(S,End-S,_(" [Working]"));
 237
 238    /* Put in the ETA and cps meter, block off signals to prevent strangeness
 239       during resizing */
 240    sigset_t Sigs,OldSigs;
 241    sigemptyset(&Sigs);
 242    sigaddset(&Sigs,SIGWINCH);
 243    sigprocmask(SIG_BLOCK,&Sigs,&OldSigs);
 244
 245    if (CurrentCPS != 0)
 246    {
 247       char Tmp[300];
 248       unsigned long long ETA = (TotalBytes - CurrentBytes)/CurrentCPS;
 249       sprintf(Tmp," %sB/s %s",SizeToStr(CurrentCPS).c_str(),TimeToStr(ETA).c_str());
 250       unsigned int Len = strlen(Buffer);
 251       unsigned int LenT = strlen(Tmp);
 252       if (Len + LenT < ScreenWidth)
 253       {
 254          memset(Buffer + Len,' ',ScreenWidth - Len);
 255          strcpy(Buffer + ScreenWidth - LenT,Tmp);
 256       }
 257    }
 258    Buffer[ScreenWidth] = 0;
 259    BlankLine[ScreenWidth] = 0;
 260    sigprocmask(SIG_SETMASK,&OldSigs,0);
 261
 262    // Draw the current status
 263    if (_config->FindB("Apt::Color", false) == true)
 264       cout << _config->Find("APT::Color::Yellow");
 265    if (strlen(Buffer) == strlen(BlankLine))
 266       cout << '\r' << Buffer << flush;
 267    else
 268       cout << '\r' << BlankLine << '\r' << Buffer << flush;
 269    if (_config->FindB("Apt::Color", false) == true)
 270       cout << _config->Find("APT::Color::Neutral");
 271
 272    memset(BlankLine,' ',strlen(Buffer));
 273    BlankLine[strlen(Buffer)] = 0;
 274
 275    Update = false;
 276
 277    return true;
 278 }
 279                                                                         /*}}}*/
 280 // AcqTextStatus::MediaChange - Media need to be swapped                /*{{{*/
 281 // ---------------------------------------------------------------------
 282 /* Prompt for a media swap */
 283 bool AcqTextStatus::MediaChange(string Media,string Drive)
 284 {
 285    // If we do not output on a terminal and one of the options to avoid user
 286    // interaction is given, we assume that no user is present who could react
 287    // on your media change request
 288    if (isatty(STDOUT_FILENO) != 1 && Quiet >= 2 &&
 289        (_config->FindB("APT::Get::Assume-Yes",false) == true ||
 290         _config->FindB("APT::Get::Force-Yes",false) == true ||
 291         _config->FindB("APT::Get::Trivial-Only",false) == true))
 292
 293       return false;
 294
 295    if (Quiet <= 0)
 296       cout << '\r' << BlankLine << '\r';
 297    ioprintf(cout,_("Media change: please insert the disc labeled\n"
 298                    " '%s'\n"
 299                    "in the drive '%s' and press enter\n"),
 300             Media.c_str(),Drive.c_str());
 301
 302    char C = 0;
 303    bool bStatus = true;
 304    while (C != '\n' && C != '\r')
 305    {
 306       int len = read(STDIN_FILENO,&C,1);
 307       if(C == 'c' || len <= 0)
 308          bStatus = false;
 309    }
 310
 311    if(bStatus)
 312       Update = true;
 313    return bStatus;
 314 }
 315                                                                         /*}}}*/