// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: progress.cc,v 1.12 2003/01/11 07:17:04 jgg Exp $ /* ###################################################################### OpProgress - Operation Progress ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ #ifdef __GNUG__ #pragma implementation "apt-pkg/progress.h" #endif #include <apt-pkg/progress.h> #include <apt-pkg/error.h> #include <apt-pkg/configuration.h> #include <apti18n.h> #include <iostream> #include <stdio.h> /*}}}*/ using namespace std; // OpProgress::OpProgress - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ OpProgress::OpProgress() : Current(0), Total(0), Size(0), SubTotal(1), LastPercent(0), Percent(0) { memset(&LastTime,0,sizeof(LastTime)); } /*}}}*/ // OpProgress::Progress - Sub progress with no state change /*{{{*/ // --------------------------------------------------------------------- /* Current is the Base Overall progress in units of Total. Cur is the sub progress in units of SubTotal. Size is a scaling factor that says what percent of Total SubTotal is. */ void OpProgress::Progress(unsigned long Cur) { if (Total == 0 || Size == 0 || SubTotal == 0) Percent = 0; else Percent = (Current + Cur/((float)SubTotal)*Size)*100.0/Total; Update(); } /*}}}*/ // OpProgress::OverallProgress - Set the overall progress /*{{{*/ // --------------------------------------------------------------------- /* */ void OpProgress::OverallProgress(unsigned long Current, unsigned long Total, unsigned long Size,string Op) { this->Current = Current; this->Total = Total; this->Size = Size; this->Op = Op; SubOp = string(); if (Total == 0) Percent = 0; else Percent = Current*100.0/Total; Update(); } /*}}}*/ // OpProgress::SubProgress - Set the sub progress state /*{{{*/ // --------------------------------------------------------------------- /* */ void OpProgress::SubProgress(unsigned long SubTotal,string Op) { this->SubTotal = SubTotal; SubOp = Op; if (Total == 0) Percent = 0; else Percent = Current*100.0/Total; Update(); } /*}}}*/ // OpProgress::SubProgress - Set the sub progress state /*{{{*/ // --------------------------------------------------------------------- /* */ void OpProgress::SubProgress(unsigned long SubTotal) { this->SubTotal = SubTotal; if (Total == 0) Percent = 0; else Percent = Current*100.0/Total; Update(); } /*}}}*/ // OpProgress::CheckChange - See if the display should be updated /*{{{*/ // --------------------------------------------------------------------- /* Progress calls are made so frequently that if every one resulted in an update the display would be swamped and the system much slower. This provides an upper bound on the update rate. */ bool OpProgress::CheckChange(float Interval) { // New major progress indication if (Op != LastOp) { MajorChange = true; LastOp = Op; return true; } MajorChange = false; if (SubOp != LastSubOp) { LastSubOp = SubOp; return true; } if ((int)LastPercent == (int)Percent) return false; if (Interval == 0) return false; // Check time delta struct timeval Now; gettimeofday(&Now,0); double Diff = Now.tv_sec - LastTime.tv_sec + (Now.tv_usec - LastTime.tv_usec)/1000000.0; if (Diff < Interval) return false; LastTime = Now; LastPercent = Percent; return true; } /*}}}*/ // OpTextProgress::OpTextProgress - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ OpTextProgress::OpTextProgress(Configuration &Config) : NoUpdate(false), NoDisplay(false), LastLen(0) { if (Config.FindI("quiet",0) >= 1) NoUpdate = true; if (Config.FindI("quiet",0) >= 2) NoDisplay = true; }; /*}}}*/ // OpTextProgress::Done - Clean up the display /*{{{*/ // --------------------------------------------------------------------- /* */ void OpTextProgress::Done() { if (NoUpdate == false && OldOp.empty() == false) { char S[300]; if (_error->PendingError() == true) snprintf(S,sizeof(S),_("%c%s... Error!"),'\r',OldOp.c_str()); else snprintf(S,sizeof(S),_("%c%s... Done"),'\r',OldOp.c_str()); Write(S); cout << endl; OldOp = string(); } if (NoUpdate == true && NoDisplay == false && OldOp.empty() == false) { OldOp = string(); cout << endl; } } /*}}}*/ // OpTextProgress::Update - Simple text spinner /*{{{*/ // --------------------------------------------------------------------- /* */ void OpTextProgress::Update() { if (CheckChange((NoUpdate == true?0:0.7)) == false) return; // No percent spinner if (NoUpdate == true) { if (MajorChange == false) return; if (NoDisplay == false) { if (OldOp.empty() == false) cout << endl; OldOp = "a"; cout << Op << "..." << flush; } return; } // Erase the old text and 'log' the event char S[300]; if (MajorChange == true && OldOp.empty() == false) { snprintf(S,sizeof(S),"\r%s",OldOp.c_str()); Write(S); cout << endl; } // Print the spinner snprintf(S,sizeof(S),"\r%s... %u%%",Op.c_str(),(unsigned int)Percent); Write(S); OldOp = Op; } /*}}}*/ // OpTextProgress::Write - Write the progress string /*{{{*/ // --------------------------------------------------------------------- /* This space fills the end to overwrite the previous text */ void OpTextProgress::Write(const char *S) { cout << S; for (unsigned int I = strlen(S); I < LastLen; I++) cout << ' '; cout << '\r' << flush; LastLen = strlen(S); } /*}}}*/