| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: progress.cc,v 1.12 2003/01/11 07:17:04 jgg Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | OpProgress - Operation Progress |
| 7 | |
| 8 | ##################################################################### */ |
| 9 | /*}}}*/ |
| 10 | // Include Files /*{{{*/ |
| 11 | #ifdef __GNUG__ |
| 12 | #pragma implementation "apt-pkg/progress.h" |
| 13 | #endif |
| 14 | #include <apt-pkg/progress.h> |
| 15 | #include <apt-pkg/error.h> |
| 16 | #include <apt-pkg/configuration.h> |
| 17 | |
| 18 | #include <apti18n.h> |
| 19 | |
| 20 | #include <iostream> |
| 21 | #include <stdio.h> |
| 22 | /*}}}*/ |
| 23 | |
| 24 | using namespace std; |
| 25 | |
| 26 | // OpProgress::OpProgress - Constructor /*{{{*/ |
| 27 | // --------------------------------------------------------------------- |
| 28 | /* */ |
| 29 | OpProgress::OpProgress() : Current(0), Total(0), Size(0), SubTotal(1), |
| 30 | LastPercent(0), Percent(0) |
| 31 | { |
| 32 | memset(&LastTime,0,sizeof(LastTime)); |
| 33 | } |
| 34 | /*}}}*/ |
| 35 | // OpProgress::Progress - Sub progress with no state change /*{{{*/ |
| 36 | // --------------------------------------------------------------------- |
| 37 | /* Current is the Base Overall progress in units of Total. Cur is the sub |
| 38 | progress in units of SubTotal. Size is a scaling factor that says what |
| 39 | percent of Total SubTotal is. */ |
| 40 | void OpProgress::Progress(unsigned long Cur) |
| 41 | { |
| 42 | if (Total == 0 || Size == 0 || SubTotal == 0) |
| 43 | Percent = 0; |
| 44 | else |
| 45 | Percent = (Current + Cur/((float)SubTotal)*Size)*100.0/Total; |
| 46 | Update(); |
| 47 | } |
| 48 | /*}}}*/ |
| 49 | // OpProgress::OverallProgress - Set the overall progress /*{{{*/ |
| 50 | // --------------------------------------------------------------------- |
| 51 | /* */ |
| 52 | void OpProgress::OverallProgress(unsigned long Current, unsigned long Total, |
| 53 | unsigned long Size,const string &Op) |
| 54 | { |
| 55 | this->Current = Current; |
| 56 | this->Total = Total; |
| 57 | this->Size = Size; |
| 58 | this->Op = Op; |
| 59 | SubOp = string(); |
| 60 | if (Total == 0) |
| 61 | Percent = 0; |
| 62 | else |
| 63 | Percent = Current*100.0/Total; |
| 64 | Update(); |
| 65 | } |
| 66 | /*}}}*/ |
| 67 | // OpProgress::SubProgress - Set the sub progress state /*{{{*/ |
| 68 | // --------------------------------------------------------------------- |
| 69 | /* */ |
| 70 | void OpProgress::SubProgress(unsigned long SubTotal,const string &Op) |
| 71 | { |
| 72 | this->SubTotal = SubTotal; |
| 73 | SubOp = Op; |
| 74 | if (Total == 0) |
| 75 | Percent = 0; |
| 76 | else |
| 77 | Percent = Current*100.0/Total; |
| 78 | Update(); |
| 79 | } |
| 80 | /*}}}*/ |
| 81 | // OpProgress::SubProgress - Set the sub progress state /*{{{*/ |
| 82 | // --------------------------------------------------------------------- |
| 83 | /* */ |
| 84 | void OpProgress::SubProgress(unsigned long SubTotal) |
| 85 | { |
| 86 | this->SubTotal = SubTotal; |
| 87 | if (Total == 0) |
| 88 | Percent = 0; |
| 89 | else |
| 90 | Percent = Current*100.0/Total; |
| 91 | Update(); |
| 92 | } |
| 93 | /*}}}*/ |
| 94 | // OpProgress::CheckChange - See if the display should be updated /*{{{*/ |
| 95 | // --------------------------------------------------------------------- |
| 96 | /* Progress calls are made so frequently that if every one resulted in |
| 97 | an update the display would be swamped and the system much slower. |
| 98 | This provides an upper bound on the update rate. */ |
| 99 | bool OpProgress::CheckChange(float Interval) |
| 100 | { |
| 101 | // New major progress indication |
| 102 | if (Op != LastOp) |
| 103 | { |
| 104 | MajorChange = true; |
| 105 | LastOp = Op; |
| 106 | return true; |
| 107 | } |
| 108 | MajorChange = false; |
| 109 | |
| 110 | if (SubOp != LastSubOp) |
| 111 | { |
| 112 | LastSubOp = SubOp; |
| 113 | return true; |
| 114 | } |
| 115 | |
| 116 | if ((int)LastPercent == (int)Percent) |
| 117 | return false; |
| 118 | |
| 119 | if (Interval == 0) |
| 120 | return false; |
| 121 | |
| 122 | // Check time delta |
| 123 | struct timeval Now; |
| 124 | gettimeofday(&Now,0); |
| 125 | double Diff = Now.tv_sec - LastTime.tv_sec + (Now.tv_usec - LastTime.tv_usec)/1000000.0; |
| 126 | if (Diff < Interval) |
| 127 | return false; |
| 128 | LastTime = Now; |
| 129 | LastPercent = Percent; |
| 130 | return true; |
| 131 | } |
| 132 | /*}}}*/ |
| 133 | // OpTextProgress::OpTextProgress - Constructor /*{{{*/ |
| 134 | // --------------------------------------------------------------------- |
| 135 | /* */ |
| 136 | OpTextProgress::OpTextProgress(Configuration &Config) : |
| 137 | NoUpdate(false), NoDisplay(false), LastLen(0) |
| 138 | { |
| 139 | if (Config.FindI("quiet",0) >= 1) |
| 140 | NoUpdate = true; |
| 141 | if (Config.FindI("quiet",0) >= 2) |
| 142 | NoDisplay = true; |
| 143 | }; |
| 144 | /*}}}*/ |
| 145 | // OpTextProgress::Done - Clean up the display /*{{{*/ |
| 146 | // --------------------------------------------------------------------- |
| 147 | /* */ |
| 148 | void OpTextProgress::Done() |
| 149 | { |
| 150 | if (NoUpdate == false && OldOp.empty() == false) |
| 151 | { |
| 152 | char S[300]; |
| 153 | if (_error->PendingError() == true) |
| 154 | snprintf(S,sizeof(S),_("%c%s... Error!"),'\r',OldOp.c_str()); |
| 155 | else |
| 156 | snprintf(S,sizeof(S),_("%c%s... Done"),'\r',OldOp.c_str()); |
| 157 | Write(S); |
| 158 | cout << endl; |
| 159 | OldOp = string(); |
| 160 | } |
| 161 | |
| 162 | if (NoUpdate == true && NoDisplay == false && OldOp.empty() == false) |
| 163 | { |
| 164 | OldOp = string(); |
| 165 | cout << endl; |
| 166 | } |
| 167 | } |
| 168 | /*}}}*/ |
| 169 | // OpTextProgress::Update - Simple text spinner /*{{{*/ |
| 170 | // --------------------------------------------------------------------- |
| 171 | /* */ |
| 172 | void OpTextProgress::Update() |
| 173 | { |
| 174 | if (CheckChange((NoUpdate == true?0:0.7)) == false) |
| 175 | return; |
| 176 | |
| 177 | // No percent spinner |
| 178 | if (NoUpdate == true) |
| 179 | { |
| 180 | if (MajorChange == false) |
| 181 | return; |
| 182 | if (NoDisplay == false) |
| 183 | { |
| 184 | if (OldOp.empty() == false) |
| 185 | cout << endl; |
| 186 | OldOp = "a"; |
| 187 | cout << Op << "..." << flush; |
| 188 | } |
| 189 | |
| 190 | return; |
| 191 | } |
| 192 | |
| 193 | // Erase the old text and 'log' the event |
| 194 | char S[300]; |
| 195 | if (MajorChange == true && OldOp.empty() == false) |
| 196 | { |
| 197 | snprintf(S,sizeof(S),"\r%s",OldOp.c_str()); |
| 198 | Write(S); |
| 199 | cout << endl; |
| 200 | } |
| 201 | |
| 202 | // Print the spinner |
| 203 | snprintf(S,sizeof(S),"\r%s... %u%%",Op.c_str(),(unsigned int)Percent); |
| 204 | Write(S); |
| 205 | |
| 206 | OldOp = Op; |
| 207 | } |
| 208 | /*}}}*/ |
| 209 | // OpTextProgress::Write - Write the progress string /*{{{*/ |
| 210 | // --------------------------------------------------------------------- |
| 211 | /* This space fills the end to overwrite the previous text */ |
| 212 | void OpTextProgress::Write(const char *S) |
| 213 | { |
| 214 | cout << S; |
| 215 | for (unsigned int I = strlen(S); I < LastLen; I++) |
| 216 | cout << ' '; |
| 217 | cout << '\r' << flush; |
| 218 | LastLen = strlen(S); |
| 219 | } |
| 220 | /*}}}*/ |