Mercurial > gemma
annotate pkg/controllers/stretches.go @ 3452:ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 24 May 2019 13:09:08 +0200 |
parents | d7ddb21f7017 |
children | 7265adcc5baa |
rev | line source |
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1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
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2 // without warranty, see README.md and license for details. |
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3 // |
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4 // SPDX-License-Identifier: AGPL-3.0-or-later |
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5 // License-Filename: LICENSES/AGPL-3.0.txt |
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6 // |
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7 // Copyright (C) 2099 by via donau |
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
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9 // Software engineering by Intevation GmbH |
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10 // |
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11 // Author(s): |
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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13 |
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14 package controllers |
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15 |
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16 import ( |
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17 "context" |
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18 "database/sql" |
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19 "encoding/csv" |
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20 "fmt" |
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21 "log" |
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22 "net/http" |
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23 "runtime" |
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24 "strings" |
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25 "sync" |
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26 "time" |
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27 |
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28 "gemma.intevation.de/gemma/pkg/middleware" |
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29 "github.com/gorilla/mux" |
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30 ) |
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31 |
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32 const ( |
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33 selectSectionBottlenecks = ` |
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34 SELECT |
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35 distinct(b.objnam), |
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36 b.limiting |
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37 FROM waterway.sections s, waterway.bottlenecks b |
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38 WHERE ST_Intersects(b.area, s.area) AND s.name = $1` |
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39 |
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40 selectStretchBottlenecks = ` |
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41 SELECT |
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42 distinct(b.objnam), |
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43 b.limiting |
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44 FROM waterway.stretches s, waterway.bottlenecks b |
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45 WHERE ST_Intersects(b.area, s.area) AND s.name = $1` |
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46 ) |
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47 |
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48 type ( |
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49 stretchBottleneck struct { |
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50 name string |
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51 limiting string |
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52 } |
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53 |
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54 stretchBottlenecks []stretchBottleneck |
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55 |
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56 fullStretchBottleneck struct { |
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57 *stretchBottleneck |
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58 measurements availMeasurements |
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59 ldc []float64 |
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60 breaks []float64 |
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61 access func(*availMeasurement) float64 |
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62 } |
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63 |
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64 availResult struct { |
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65 label string |
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66 from, to time.Time |
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67 ldc, breaks []time.Duration |
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68 } |
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69 |
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70 availCalculation struct { |
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71 result *availResult |
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72 ldc, breaks []time.Duration |
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73 } |
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74 |
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75 availJob struct { |
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76 result *availResult |
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77 bn *fullStretchBottleneck |
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78 } |
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79 ) |
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80 |
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81 func (r *availResult) add(c availCalculation) { |
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82 for i, v := range c.ldc { |
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83 r.ldc[i] += v |
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84 } |
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85 for i, v := range c.breaks { |
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86 r.breaks[i] += v |
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87 } |
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88 } |
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89 |
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90 func (bns stretchBottlenecks) contains(limiting string) bool { |
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91 for i := range bns { |
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92 if bns[i].limiting == limiting { |
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93 return true |
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94 } |
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95 } |
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96 return false |
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97 } |
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98 |
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99 func loadFullStretchBottleneck( |
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100 ctx context.Context, |
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101 conn *sql.Conn, |
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102 bn *stretchBottleneck, |
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103 los int, |
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104 from, to time.Time, |
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105 depthbreaks, widthbreaks []float64, |
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106 ) (*fullStretchBottleneck, error) { |
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107 measurements, err := loadDepthValues(ctx, conn, bn.name, los, from, to) |
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108 if err != nil { |
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109 return nil, err |
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110 } |
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111 ldc, err := loadLDCReferenceValue(ctx, conn, bn.name) |
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112 if err != nil { |
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113 return nil, err |
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114 } |
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115 |
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116 var access func(*availMeasurement) float64 |
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117 var breaks []float64 |
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118 |
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119 switch bn.limiting { |
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120 case "width": |
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121 access = (*availMeasurement).getWidth |
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122 breaks = widthbreaks |
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123 case "depth": |
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124 access = (*availMeasurement).getDepth |
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125 breaks = depthbreaks |
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126 default: |
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127 log.Printf( |
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128 "warn: unknown limitation '%s'. default to 'depth'.\n", |
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129 bn.limiting) |
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130 access = (*availMeasurement).getDepth |
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131 breaks = depthbreaks |
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132 } |
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133 |
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134 return &fullStretchBottleneck{ |
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135 stretchBottleneck: bn, |
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136 measurements: measurements, |
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137 ldc: ldc, |
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138 breaks: breaks, |
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139 access: access, |
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140 }, nil |
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141 } |
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142 |
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143 func loadStretchBottlenecks( |
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144 ctx context.Context, |
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145 conn *sql.Conn, |
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146 stretch bool, |
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147 name string, |
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148 ) (stretchBottlenecks, error) { |
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149 var sql string |
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150 if stretch { |
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151 sql = selectStretchBottlenecks |
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152 } else { |
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153 sql = selectSectionBottlenecks |
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154 } |
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155 |
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156 rows, err := conn.QueryContext(ctx, sql, name) |
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157 if err != nil { |
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158 return nil, err |
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159 } |
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160 defer rows.Close() |
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161 |
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162 var bns stretchBottlenecks |
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163 |
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164 for rows.Next() { |
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165 var bn stretchBottleneck |
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166 if err := rows.Scan( |
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167 &bn.name, |
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168 &bn.limiting, |
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169 ); err != nil { |
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170 return nil, err |
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171 } |
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172 bns = append(bns, bn) |
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173 } |
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174 |
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175 if err := rows.Err(); err != nil { |
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176 return nil, err |
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177 } |
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178 |
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179 return bns, nil |
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180 } |
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181 |
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182 func stretchAvailableFairwayDepth(rw http.ResponseWriter, req *http.Request) { |
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183 |
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184 vars := mux.Vars(req) |
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185 stretch := vars["kind"] == "stretch" |
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186 name := vars["name"] |
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187 mode := intervalMode(req.FormValue("mode")) |
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188 |
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189 depthbreaks, widthbreaks := afdRefs, afdRefs |
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190 |
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191 from, ok := parseFormTime(rw, req, "from", time.Now().AddDate(-1, 0, 0)) |
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192 if !ok { |
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193 return |
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194 } |
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195 |
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196 to, ok := parseFormTime(rw, req, "to", from.AddDate(1, 0, 0)) |
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197 if !ok { |
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198 return |
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199 } |
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200 |
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201 if to.Before(from) { |
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202 to, from = from, to |
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203 } |
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204 |
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205 los, ok := parseFormInt(rw, req, "los", 1) |
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206 if !ok { |
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207 return |
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208 } |
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209 |
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210 conn := middleware.GetDBConn(req) |
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211 ctx := req.Context() |
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212 |
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213 bns, err := loadStretchBottlenecks(ctx, conn, stretch, name) |
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214 if err != nil { |
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215 http.Error( |
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216 rw, fmt.Sprintf("DB error: %v.", err), |
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217 http.StatusInternalServerError) |
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218 return |
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219 } |
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220 |
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221 if len(bns) == 0 { |
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222 http.Error(rw, "No bottlenecks found.", http.StatusNotFound) |
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223 return |
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224 } |
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225 |
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226 if b := req.FormValue("depthbreaks"); b != "" { |
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227 depthbreaks = breaksToReferenceValue(b) |
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228 } |
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229 |
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230 if b := req.FormValue("widthbreaks"); b != "" { |
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231 widthbreaks = breaksToReferenceValue(b) |
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232 } |
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233 |
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234 useDepth, useWidth := bns.contains("depth"), bns.contains("width") |
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235 |
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236 if useDepth && useWidth && len(widthbreaks) != len(depthbreaks) { |
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237 http.Error( |
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238 rw, |
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239 fmt.Sprintf("class breaks lengths differ: %d != %d", |
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240 len(widthbreaks), len(depthbreaks)), |
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241 http.StatusBadRequest, |
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242 ) |
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243 return |
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244 } |
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245 |
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246 log.Printf("info: time interval: (%v - %v)\n", from, to) |
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247 |
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248 var loaded []*fullStretchBottleneck |
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249 var errors []error |
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250 |
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251 for i := range bns { |
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252 l, err := loadFullStretchBottleneck( |
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253 ctx, |
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254 conn, |
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255 &bns[i], |
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256 los, |
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257 from, to, |
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258 depthbreaks, widthbreaks, |
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259 ) |
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260 if err != nil { |
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261 log.Printf("error: %v\n", err) |
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262 errors = append(errors, err) |
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263 continue |
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264 } |
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265 loaded = append(loaded, l) |
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266 } |
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267 |
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268 if len(loaded) == 0 { |
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269 http.Error( |
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270 rw, |
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271 fmt.Sprintf("No bottleneck loaded: %v", joinErrors(errors)), |
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272 http.StatusInternalServerError, |
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273 ) |
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274 return |
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275 } |
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276 |
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277 n := runtime.NumCPU() / 2 |
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278 if n == 0 { |
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279 n = 1 |
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280 } |
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281 |
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282 jobCh := make(chan availJob) |
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283 calcCh := make(chan availCalculation, n) |
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284 done := make(chan struct{}) |
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285 |
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286 var wg sync.WaitGroup |
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287 |
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288 go func() { |
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289 defer close(done) |
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290 for calc := range calcCh { |
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291 calc.result.add(calc) |
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292 } |
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293 }() |
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294 |
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295 for i := 0; i < n; i++ { |
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296 wg.Add(1) |
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297 go func() { |
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298 defer wg.Done() |
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299 for job := range jobCh { |
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300 bn := job.bn |
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301 res := job.result |
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302 ldc := bn.measurements.classify( |
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303 res.from, res.to, |
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304 bn.ldc, |
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305 bn.access, |
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306 ) |
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307 breaks := bn.measurements.classify( |
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308 res.from, res.to, |
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309 bn.breaks, |
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310 bn.access, |
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311 ) |
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312 calcCh <- availCalculation{ |
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313 result: res, |
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314 breaks: breaks, |
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315 ldc: ldc, |
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316 } |
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317 } |
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318 }() |
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319 } |
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320 |
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321 var results []*availResult |
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322 |
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323 interval := intervals[mode](from, to) |
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324 |
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325 var breaks []float64 |
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326 |
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327 if useDepth { |
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328 breaks = depthbreaks |
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329 } else { |
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330 breaks = widthbreaks |
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331 } |
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332 |
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333 for pfrom, pto, label := interval(); label != ""; pfrom, pto, label = interval() { |
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334 |
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335 res := &availResult{ |
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336 label: label, |
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337 from: pfrom, |
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338 to: pto, |
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339 ldc: make([]time.Duration, 2), |
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340 breaks: make([]time.Duration, len(breaks)+1), |
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341 } |
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342 results = append(results, res) |
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343 |
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344 for _, bn := range loaded { |
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345 jobCh <- availJob{bn: bn, result: res} |
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346 } |
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347 } |
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348 |
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349 close(jobCh) |
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350 wg.Wait() |
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351 close(calcCh) |
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352 <-done |
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353 |
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354 rw.Header().Add("Content-Type", "text/csv") |
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355 |
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356 out := csv.NewWriter(rw) |
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357 |
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358 // label, lnwl, classes |
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359 record := make([]string, 1+2+len(breaks)+1) |
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360 record[0] = "# time" |
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361 record[1] = "# < LDC [h]" |
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362 record[2] = "# >= LDC [h]" |
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363 for i, v := range breaks { |
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364 if useDepth && useWidth { |
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365 if i == 0 { |
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366 record[3] = "# < break_1 [h]" |
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367 } |
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368 record[i+4] = fmt.Sprintf("# >= break_%d", i+1) |
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369 } else { |
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370 if i == 0 { |
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371 record[3] = fmt.Sprintf("# < %.2f [h]", v) |
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372 } |
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373 record[i+4] = fmt.Sprintf("# >= %.2f [h]", v) |
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374 } |
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375 } |
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376 |
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377 if err := out.Write(record); err != nil { |
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378 // Too late for HTTP status message. |
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379 log.Printf("error: %v\n", err) |
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380 return |
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381 } |
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382 |
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383 // Normalize to look like as we have only one bottleneck. |
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384 scale := 1 / float64(len(loaded)) |
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385 |
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386 for _, r := range results { |
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387 record[0] = r.label |
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388 for i, v := range r.ldc { |
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389 record[1+i] = fmt.Sprintf("%.3f", v.Hours()*scale) |
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390 } |
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391 |
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392 for i, d := range r.breaks { |
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393 record[3+i] = fmt.Sprintf("%.3f", d.Hours()*scale) |
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394 } |
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395 |
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396 if err := out.Write(record); err != nil { |
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397 // Too late for HTTP status message. |
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398 log.Printf("error: %v\n", err) |
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399 return |
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400 } |
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401 } |
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402 |
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403 out.Flush() |
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404 if err := out.Error(); err != nil { |
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405 // Too late for HTTP status message. |
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406 log.Printf("error: %v\n", err) |
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407 } |
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408 } |
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409 |
2b5c22f6bb1f
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
410 func joinErrors(errors []error) string { |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
411 var b strings.Builder |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
412 for _, err := range errors { |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
413 if b.Len() > 0 { |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
414 b.WriteString(", ") |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
415 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
416 b.WriteString(err.Error()) |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
417 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
418 return b.String() |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
419 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3245
diff
changeset
|
420 |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
421 func stretchAvailabilty(rw http.ResponseWriter, req *http.Request) { |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
422 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
423 vars := mux.Vars(req) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
424 stretch := vars["kind"] == "stretch" |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
425 name := vars["name"] |
3452
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
426 mode := intervalMode(req.FormValue("mode")) |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
427 |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
428 if name == "" { |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
429 http.Error( |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
430 rw, |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
431 fmt.Sprintf("Missing %s name", vars["kind"]), |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
432 http.StatusBadRequest, |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
433 ) |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
434 return |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
435 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
436 |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
437 from, ok := parseFormTime(rw, req, "form", time.Now().AddDate(-1, 0, 0)) |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
438 if !ok { |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
439 return |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
440 } |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
441 |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
442 to, ok := parseFormTime(rw, req, "to", from.AddDate(1, 0, 0)) |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
443 if !ok { |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
444 return |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
445 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
446 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
447 if to.Before(from) { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
448 to, from = from, to |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
449 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
450 |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
451 los, ok := parseFormInt(rw, req, "los", 1) |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
452 if !ok { |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
453 return |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
454 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
455 |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
456 depthbreaks, widthbreaks := afdRefs, afdRefs |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
457 |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
458 if b := req.FormValue("depthbreaks"); b != "" { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
459 depthbreaks = breaksToReferenceValue(b) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
460 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
461 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
462 if b := req.FormValue("widthbreaks"); b != "" { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
463 widthbreaks = breaksToReferenceValue(b) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
464 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
465 |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
466 conn := middleware.GetDBConn(req) |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
467 ctx := req.Context() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
468 |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
469 bns, err := loadStretchBottlenecks(ctx, conn, stretch, name) |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
470 if err != nil { |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
471 http.Error( |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
472 rw, fmt.Sprintf("DB error: %v.", err), |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
473 http.StatusInternalServerError) |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
474 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
475 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
476 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
477 if len(bns) == 0 { |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
478 http.Error( |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
479 rw, |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
480 "No bottlenecks found.", |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
481 http.StatusNotFound, |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
482 ) |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
483 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
484 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
485 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
486 useDepth, useWidth := bns.contains("depth"), bns.contains("width") |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
487 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
488 if useDepth && useWidth && len(widthbreaks) != len(depthbreaks) { |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
489 http.Error( |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
490 rw, |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
491 fmt.Sprintf("class breaks lengths differ: %d != %d", |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
492 len(widthbreaks), len(depthbreaks)), |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
493 http.StatusBadRequest, |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3430
diff
changeset
|
494 ) |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
495 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
496 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
497 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
498 log.Printf("info: time interval: (%v - %v)\n", from, to) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
499 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
500 var loaded []*fullStretchBottleneck |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
501 var errors []error |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
502 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
503 for i := range bns { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
504 l, err := loadFullStretchBottleneck( |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
505 ctx, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
506 conn, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
507 &bns[i], |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
508 los, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
509 from, to, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
510 depthbreaks, widthbreaks, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
511 ) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
512 if err != nil { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
513 log.Printf("error: %v\n", err) |
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fairway availibilty: Implemented for streches and sections.
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|
514 errors = append(errors, err) |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
515 continue |
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|
516 } |
6994602d2935
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|
517 loaded = append(loaded, l) |
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|
518 } |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
519 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
520 if len(loaded) == 0 { |
3439
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
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|
521 http.Error( |
d7ddb21f7017
Prepared to write the fairway availibilty as CSV, too. WIP.
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|
522 rw, |
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Prepared to write the fairway availibilty as CSV, too. WIP.
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|
523 fmt.Sprintf("No bottleneck loaded: %v", joinErrors(errors)), |
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Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
524 http.StatusInternalServerError, |
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Prepared to write the fairway availibilty as CSV, too. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
525 ) |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
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diff
changeset
|
526 return |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
527 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
528 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
529 n := runtime.NumCPU() / 2 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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diff
changeset
|
530 if n == 0 { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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diff
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|
531 n = 1 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
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|
532 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
533 |
3452
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|
534 jobCh := make(chan availJob) |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
535 calcCh := make(chan availCalculation, n) |
3430
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|
536 done := make(chan struct{}) |
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diff
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|
537 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
538 var wg sync.WaitGroup |
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fairway availibilty: Implemented for streches and sections.
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diff
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|
539 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
540 go func() { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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diff
changeset
|
541 defer close(done) |
6994602d2935
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parents:
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|
542 for calc := range calcCh { |
3452
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
543 calc.result.add(calc) |
3430
6994602d2935
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parents:
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|
544 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
545 }() |
6994602d2935
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diff
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|
546 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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changeset
|
547 for i := 0; i < n; i++ { |
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diff
changeset
|
548 wg.Add(1) |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
549 go func() { |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
550 defer wg.Done() |
3452
ae6c09fbc590
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parents:
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|
551 for job := range jobCh { |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
552 bn := job.bn |
ae6c09fbc590
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
553 res := job.result |
3430
6994602d2935
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changeset
|
554 ldc := bn.measurements.classify( |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
555 from, to, |
6994602d2935
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diff
changeset
|
556 bn.ldc, |
6994602d2935
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parents:
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diff
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|
557 (*availMeasurement).getValue, |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
558 ) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
559 |
3452
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
560 breaks := bn.measurements.classify( |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
561 from, to, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
562 bn.breaks, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
563 bn.access, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
564 ) |
3452
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
565 calcCh <- availCalculation{ |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
566 result: res, |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
567 breaks: breaks, |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
568 ldc: ldc, |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
569 } |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
570 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
571 }() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
572 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
573 |
3452
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
574 var results []*availResult |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
575 |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
576 interval := intervals[mode](from, to) |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
577 |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
578 var breaks []float64 |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
579 |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
580 if useDepth { |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
581 breaks = depthbreaks |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
582 } else { |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
583 breaks = widthbreaks |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
584 } |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
585 |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
586 for pfrom, pto, label := interval(); label != ""; pfrom, pto, label = interval() { |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
587 |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
588 res := &availResult{ |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
589 label: label, |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
590 from: pfrom, |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
591 to: pto, |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
592 ldc: make([]time.Duration, 2), |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
593 breaks: make([]time.Duration, len(breaks)+1), |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
594 } |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
595 results = append(results, res) |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
596 |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
597 for _, bn := range loaded { |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
598 jobCh <- availJob{bn: bn, result: res} |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
599 } |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
600 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
601 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
602 close(jobCh) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
3424
diff
changeset
|
603 wg.Wait() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
3424
diff
changeset
|
604 close(calcCh) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
605 <-done |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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3424
diff
changeset
|
606 |
3452
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
607 rw.Header().Add("Content-Type", "text/csv") |
3430
6994602d2935
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parents:
3424
diff
changeset
|
608 |
3452
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
609 out := csv.NewWriter(rw) |
3430
6994602d2935
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parents:
3424
diff
changeset
|
610 |
3452
ae6c09fbc590
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
611 // label, lnwl, classes |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
612 record := make([]string, 1+2+len(breaks)+1) |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
613 record[0] = "# time" |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3439
diff
changeset
|
614 record[1] = "# < LDC [%%]" |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
615 record[2] = "# >= LDC [%%]" |
ae6c09fbc590
fairway depth/availability: bring unified CVS to streches and sections, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
616 for i, v := range breaks { |
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617 if useDepth && useWidth { |
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618 if i == 0 { |
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619 record[3] = "# < break_1 [%%]" |
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620 } |
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621 record[i+4] = fmt.Sprintf("# >= break_%d [%%]", i+1) |
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622 } else { |
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623 if i == 0 { |
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624 record[3] = fmt.Sprintf("# < %.3f [%%]", v) |
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625 } |
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626 record[i+4] = fmt.Sprintf("# >= %.3f [%%]", v) |
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627 } |
3430
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628 } |
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629 |
3452
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630 if err := out.Write(record); err != nil { |
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631 // Too late for HTTP status message. |
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632 log.Printf("error: %v\n", err) |
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633 return |
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634 } |
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635 |
3452
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636 for _, r := range results { |
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637 duration := r.to.Sub(r.from) * time.Duration(len(loaded)) |
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638 |
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639 ldcPercents := durationsToPercentage(duration, r.ldc) |
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640 breaksPercents := durationsToPercentage(duration, r.breaks) |
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641 |
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642 record[0] = r.label |
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643 |
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644 for i, v := range ldcPercents { |
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645 record[2+i] = fmt.Sprintf("%.3f", v) |
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646 } |
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647 |
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648 for i, v := range breaksPercents { |
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649 record[3+i] = fmt.Sprintf("%.3f", v) |
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650 } |
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651 |
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652 if err := out.Write(record); err != nil { |
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653 // Too late for HTTP status message. |
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654 log.Printf("error: %v\n", err) |
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655 return |
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656 } |
3430
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657 } |
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658 |
3452
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659 out.Flush() |
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660 if err := out.Error(); err != nil { |
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661 // Too late for HTTP status message. |
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662 log.Printf("error: %v\n", err) |
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663 } |
3245
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diff
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664 } |