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