Mercurial > gemma
annotate pkg/controllers/stretches.go @ 3430:6994602d2935
fairway availibilty: Implemented for streches and sections.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 23 May 2019 17:28:14 +0200 |
parents | 0a666ba899fa |
children | d7ddb21f7017 |
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 "strconv" |
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25 "strings" |
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26 "sync" |
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27 "time" |
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28 |
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29 "gemma.intevation.de/gemma/pkg/common" |
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30 "gemma.intevation.de/gemma/pkg/middleware" |
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31 "github.com/gorilla/mux" |
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32 ) |
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33 |
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34 const ( |
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35 selectSectionBottlenecks = ` |
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36 SELECT |
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37 distinct(b.objnam), |
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38 b.limiting |
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39 FROM waterway.sections s, waterway.bottlenecks b |
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40 WHERE ST_Intersects(b.area, s.area) AND s.name = $1` |
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41 |
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42 selectStretchBottlenecks = ` |
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43 SELECT |
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44 distinct(b.objnam), |
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45 b.limiting |
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46 FROM waterway.stretches s, waterway.bottlenecks b |
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47 WHERE ST_Intersects(b.area, s.area) AND s.name = $1` |
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48 ) |
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49 |
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50 type ( |
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51 stretchBottleneck struct { |
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52 name string |
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53 limiting string |
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54 } |
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55 |
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56 stretchBottlenecks []stretchBottleneck |
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57 |
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58 fullStretchBottleneck struct { |
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59 *stretchBottleneck |
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60 measurements availMeasurements |
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61 ldc []float64 |
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62 breaks []float64 |
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63 access func(*availMeasurement) float64 |
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64 } |
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65 ) |
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66 |
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67 func (bns stretchBottlenecks) contains(limiting string) bool { |
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68 for i := range bns { |
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69 if bns[i].limiting == limiting { |
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70 return true |
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71 } |
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72 } |
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73 return false |
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74 } |
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75 |
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76 func loadFullStretchBottleneck( |
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77 ctx context.Context, |
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78 conn *sql.Conn, |
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79 bn *stretchBottleneck, |
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80 los int, |
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81 from, to time.Time, |
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82 depthbreaks, widthbreaks []float64, |
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83 ) (*fullStretchBottleneck, error) { |
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84 measurements, err := loadDepthValues(ctx, conn, bn.name, los, from, to) |
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85 if err != nil { |
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86 return nil, err |
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87 } |
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88 ldc, err := loadLDCReferenceValue(ctx, conn, bn.name) |
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89 if err != nil { |
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90 return nil, err |
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91 } |
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92 |
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93 var access func(*availMeasurement) float64 |
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94 var breaks []float64 |
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95 |
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96 switch bn.limiting { |
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97 case "width": |
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98 access = (*availMeasurement).getWidth |
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99 breaks = widthbreaks |
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100 case "depth": |
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101 access = (*availMeasurement).getDepth |
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102 breaks = depthbreaks |
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103 default: |
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104 log.Printf( |
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105 "warn: unknown limitation '%s'. default to 'depth'.\n", |
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106 bn.limiting) |
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107 access = (*availMeasurement).getDepth |
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108 breaks = depthbreaks |
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109 } |
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110 |
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111 return &fullStretchBottleneck{ |
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112 stretchBottleneck: bn, |
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113 measurements: measurements, |
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114 ldc: ldc, |
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115 breaks: breaks, |
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116 access: access, |
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117 }, nil |
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118 } |
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119 |
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120 func loadStretchBottlenecks( |
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121 ctx context.Context, |
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122 conn *sql.Conn, |
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123 stretch bool, |
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124 name string, |
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125 ) (stretchBottlenecks, error) { |
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126 var sql string |
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127 if stretch { |
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128 sql = selectStretchBottlenecks |
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129 } else { |
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130 sql = selectSectionBottlenecks |
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131 } |
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132 |
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133 rows, err := conn.QueryContext(ctx, sql, name) |
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134 if err != nil { |
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135 return nil, err |
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136 } |
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137 defer rows.Close() |
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138 |
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139 var bns stretchBottlenecks |
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140 |
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141 for rows.Next() { |
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142 var bn stretchBottleneck |
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143 if err := rows.Scan( |
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144 &bn.name, |
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145 &bn.limiting, |
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146 ); err != nil { |
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147 return nil, err |
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148 } |
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149 bns = append(bns, bn) |
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150 } |
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151 |
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152 if err := rows.Err(); err != nil { |
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153 return nil, err |
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154 } |
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155 |
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156 return bns, nil |
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157 } |
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158 |
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159 func stretchAvailableFairwayDepth(rw http.ResponseWriter, req *http.Request) { |
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160 |
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161 vars := mux.Vars(req) |
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162 stretch := vars["kind"] == "stretch" |
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163 name := vars["name"] |
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164 |
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165 mode := intervalMode(req.FormValue("mode")) |
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166 var from, to time.Time |
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167 var los int |
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168 |
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169 depthbreaks, widthbreaks := afdRefs, afdRefs |
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170 |
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171 if f := req.FormValue("from"); f != "" { |
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172 var err error |
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173 if from, err = time.Parse(common.TimeFormat, f); err != nil { |
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174 http.Error( |
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175 rw, fmt.Sprintf("Invalid format for 'from': %v.", err), |
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176 http.StatusBadRequest) |
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177 return |
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178 } |
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179 } else { |
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180 from = time.Now().AddDate(-1, 0, 0) |
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181 } |
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182 from = from.UTC() |
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183 |
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184 if t := req.FormValue("to"); t != "" { |
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185 var err error |
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186 if to, err = time.Parse(common.TimeFormat, t); err != nil { |
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187 http.Error( |
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188 rw, fmt.Sprintf("Invalid format for 'to': %v.", err), |
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189 http.StatusBadRequest) |
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190 return |
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191 } |
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192 } else { |
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193 to = from.AddDate(1, 0, 0) |
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194 } |
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195 to = to.UTC() |
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196 |
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197 if to.Before(from) { |
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198 to, from = from, to |
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199 } |
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200 |
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201 if l := req.FormValue("los"); l != "" { |
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202 var err error |
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203 if los, err = strconv.Atoi(l); err != nil { |
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204 http.Error( |
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205 rw, fmt.Sprintf("Invalid format for 'los': %v.", err), |
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206 http.StatusBadRequest) |
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207 return |
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208 } |
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209 } else { |
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210 los = 1 |
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211 } |
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212 |
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213 conn := middleware.GetDBConn(req) |
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214 ctx := req.Context() |
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215 |
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216 bns, err := loadStretchBottlenecks(ctx, conn, stretch, name) |
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217 if err != nil { |
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218 http.Error( |
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219 rw, fmt.Sprintf("DB error: %v.", err), |
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220 http.StatusInternalServerError) |
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221 return |
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222 } |
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223 if len(bns) == 0 { |
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224 http.Error(rw, "No bottlenecks found.", http.StatusNotFound) |
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225 return |
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226 } |
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227 |
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228 if b := req.FormValue("depthbreaks"); b != "" { |
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229 depthbreaks = breaksToReferenceValue(b) |
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230 } |
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231 |
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232 if b := req.FormValue("widthbreaks"); b != "" { |
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233 widthbreaks = breaksToReferenceValue(b) |
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234 } |
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235 |
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236 useDepth, useWidth := bns.contains("depth"), bns.contains("width") |
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237 |
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238 if useDepth && useWidth && len(widthbreaks) != len(depthbreaks) { |
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239 http.Error( |
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240 rw, |
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241 fmt.Sprintf("class breaks lengths differ: %d != %d", |
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242 len(widthbreaks), len(depthbreaks)), |
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243 http.StatusBadRequest, |
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244 ) |
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245 return |
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246 } |
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247 |
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248 log.Printf("info: time interval: (%v - %v)\n", from, to) |
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249 |
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250 var loaded []*fullStretchBottleneck |
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251 var errors []error |
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252 |
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253 for i := range bns { |
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254 l, err := loadFullStretchBottleneck( |
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255 ctx, |
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256 conn, |
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257 &bns[i], |
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258 los, |
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259 from, to, |
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260 depthbreaks, widthbreaks, |
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261 ) |
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262 if err != nil { |
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263 log.Printf("error: %v\n", err) |
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264 errors = append(errors, err) |
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265 continue |
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266 } |
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267 loaded = append(loaded, l) |
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268 } |
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269 |
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270 if len(loaded) == 0 { |
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271 http.Error( |
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272 rw, |
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273 fmt.Sprintf("No bottleneck loaded: %v", joinErrors(errors)), |
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274 http.StatusInternalServerError, |
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275 ) |
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276 return |
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277 } |
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278 |
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279 type ( |
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280 result struct { |
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281 label string |
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282 from, to time.Time |
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283 ldc, breaks []time.Duration |
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284 } |
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285 |
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286 calculation struct { |
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287 result *result |
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288 ldc, breaks []time.Duration |
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289 } |
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290 |
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291 job struct { |
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292 result *result |
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293 bn *fullStretchBottleneck |
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294 } |
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295 ) |
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296 |
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297 n := runtime.NumCPU() / 2 |
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298 if n == 0 { |
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299 n = 1 |
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300 } |
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301 |
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302 jobCh := make(chan job) |
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303 calcCh := make(chan calculation, n) |
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304 done := make(chan struct{}) |
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305 |
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306 var wg sync.WaitGroup |
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307 |
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308 go func() { |
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309 defer close(done) |
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310 for calc := range calcCh { |
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311 ldc := calc.result.ldc |
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312 for i, v := range calc.ldc { |
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313 ldc[i] += v |
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314 } |
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315 breaks := calc.result.breaks |
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316 for i, v := range calc.breaks { |
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317 breaks[i] += v |
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318 } |
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319 } |
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320 }() |
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321 |
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322 for i := 0; i < n; i++ { |
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323 wg.Add(1) |
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324 go func() { |
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325 defer wg.Done() |
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326 for job := range jobCh { |
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327 bn := job.bn |
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328 res := job.result |
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329 ldc := bn.measurements.classify( |
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330 res.from, res.to, |
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331 bn.ldc, |
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332 bn.access, |
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333 ) |
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334 breaks := bn.measurements.classify( |
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335 res.from, res.to, |
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336 bn.breaks, |
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337 bn.access, |
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338 ) |
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339 calcCh <- calculation{ |
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340 result: res, |
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341 breaks: breaks, |
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342 ldc: ldc, |
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343 } |
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344 } |
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345 }() |
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346 } |
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347 |
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348 var results []*result |
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349 |
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350 interval := intervals[mode](from, to) |
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351 |
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352 var breaks []float64 |
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353 |
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354 if useDepth { |
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355 breaks = depthbreaks |
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356 } else { |
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357 breaks = widthbreaks |
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358 } |
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359 |
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360 for pfrom, pto, label := interval(); label != ""; pfrom, pto, label = interval() { |
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361 |
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362 res := &result{ |
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363 label: label, |
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364 from: pfrom, |
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365 to: pto, |
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366 ldc: make([]time.Duration, 2), |
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367 breaks: make([]time.Duration, len(breaks)+1), |
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368 } |
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369 results = append(results, res) |
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370 |
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371 for _, bn := range loaded { |
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372 jobCh <- job{bn: bn, result: res} |
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373 } |
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374 } |
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375 close(jobCh) |
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376 wg.Wait() |
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377 close(calcCh) |
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378 <-done |
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379 |
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380 rw.Header().Add("Content-Type", "text/csv") |
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381 |
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382 out := csv.NewWriter(rw) |
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383 |
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384 // label, classes, lnwl |
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385 record := make([]string, 1+1+len(breaks)+1) |
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386 record[0] = "#label" |
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387 record[1] = "# >= LDC [h]" |
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388 for i, v := range breaks { |
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389 if useDepth && useWidth { |
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390 if i == 0 { |
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391 record[2] = "# < break_1 [h]" |
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392 } |
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393 record[i+3] = fmt.Sprintf("# >= break_%d", i+1) |
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394 } else { |
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395 if i == 0 { |
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396 record[2] = fmt.Sprintf("# < %.2f [h]", v) |
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397 } |
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398 record[i+3] = fmt.Sprintf("# >= %.2f [h]", v) |
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399 } |
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400 } |
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401 |
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402 if err := out.Write(record); err != nil { |
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403 // Too late for HTTP status message. |
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404 log.Printf("error: %v\n", err) |
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405 return |
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406 } |
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407 |
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408 // Normalize to look like as we have only one bottleneck. |
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409 scale := 1 / float64(len(loaded)) |
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410 |
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411 for _, r := range results { |
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412 record[0] = r.label |
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413 record[1] = fmt.Sprintf("%.3f", r.ldc[1].Hours()*scale) |
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414 |
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415 for i, d := range r.breaks { |
3420
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fairway availability: Normalize results to look like as we only have one bottleneck.
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416 record[2+i] = fmt.Sprintf("%.3f", d.Hours()*scale) |
3405
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417 } |
2b5c22f6bb1f
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418 |
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419 if err := out.Write(record); err != nil { |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
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parents:
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420 // Too late for HTTP status message. |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
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421 log.Printf("error: %v\n", err) |
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available fairway depth: Implemented backend for sections and stretches.
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parents:
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|
422 return |
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parents:
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|
423 } |
2b5c22f6bb1f
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
424 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
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parents:
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|
425 |
2b5c22f6bb1f
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parents:
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426 out.Flush() |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
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parents:
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427 if err := out.Error(); err != nil { |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
428 // Too late for HTTP status message. |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
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parents:
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429 log.Printf("error: %v\n", err) |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
430 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
431 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
432 |
2b5c22f6bb1f
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433 func joinErrors(errors []error) string { |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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434 var b strings.Builder |
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435 for _, err := range errors { |
2b5c22f6bb1f
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436 if b.Len() > 0 { |
2b5c22f6bb1f
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437 b.WriteString(", ") |
2b5c22f6bb1f
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parents:
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|
438 } |
2b5c22f6bb1f
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parents:
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changeset
|
439 b.WriteString(err.Error()) |
2b5c22f6bb1f
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
440 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
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441 return b.String() |
2b5c22f6bb1f
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|
442 } |
2b5c22f6bb1f
available fairway depth: Implemented backend for sections and stretches.
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changeset
|
443 |
3245
60f25cbe77fb
Added API stubs from fairway availabilty for stretches and sections.
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diff
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|
444 func stretchAvailabilty( |
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445 _ interface{}, |
60f25cbe77fb
Added API stubs from fairway availabilty for stretches and sections.
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446 req *http.Request, |
60f25cbe77fb
Added API stubs from fairway availabilty for stretches and sections.
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parents:
diff
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447 conn *sql.Conn, |
60f25cbe77fb
Added API stubs from fairway availabilty for stretches and sections.
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parents:
diff
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448 ) (jr JSONResult, err error) { |
3430
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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diff
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449 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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450 vars := mux.Vars(req) |
6994602d2935
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451 stretch := vars["kind"] == "stretch" |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
452 name := vars["name"] |
6994602d2935
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|
453 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
454 var from, to time.Time |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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455 var los int |
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|
456 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
457 depthbreaks, widthbreaks := afdRefs, afdRefs |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
458 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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459 if f := req.FormValue("from"); f != "" { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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diff
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460 if from, err = parseTime(f, "from"); err != nil { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
461 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
462 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
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|
463 } else { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
464 from = time.Now().AddDate(-1, 0, 0).UTC() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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diff
changeset
|
465 } |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
466 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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diff
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|
467 if t := req.FormValue("to"); t != "" { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
468 if to, err = parseTime(t, "to"); err != nil { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
469 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
470 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
471 } else { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
472 to = from.AddDate(1, 0, 0).UTC() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
473 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
474 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
475 if to.Before(from) { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
476 to, from = from, to |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
477 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
478 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
479 if l := req.FormValue("los"); l != "" { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
480 if los, err = parseInt(l, "los"); err != nil { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
481 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
482 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
483 } else { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
484 los = 1 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
485 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
486 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
487 if b := req.FormValue("depthbreaks"); b != "" { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
488 depthbreaks = breaksToReferenceValue(b) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
489 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
490 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
491 if b := req.FormValue("widthbreaks"); b != "" { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
492 widthbreaks = breaksToReferenceValue(b) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
493 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
494 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
495 ctx := req.Context() |
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>
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diff
changeset
|
497 var bns stretchBottlenecks |
6994602d2935
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3424
diff
changeset
|
498 if bns, err = loadStretchBottlenecks(ctx, conn, stretch, name); err != nil { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
3424
diff
changeset
|
499 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
500 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
501 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
502 if len(bns) == 0 { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
503 err = JSONError{ |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
504 Code: http.StatusNotFound, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
505 Message: "No bottlenecks found.", |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
506 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
507 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
508 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
509 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
510 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
|
511 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
512 if useDepth && useWidth && len(widthbreaks) != len(depthbreaks) { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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diff
changeset
|
513 err = JSONError{ |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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diff
changeset
|
514 Code: http.StatusBadRequest, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
515 Message: fmt.Sprintf("class breaks lengths differ: %d != %d", |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
516 len(widthbreaks), len(depthbreaks)), |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
517 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
518 return |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
519 } |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
520 |
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521 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:
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|
522 |
6994602d2935
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parents:
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|
523 var loaded []*fullStretchBottleneck |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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524 var errors []error |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
525 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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526 for i := range bns { |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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527 l, err := loadFullStretchBottleneck( |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
528 ctx, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
529 conn, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
530 &bns[i], |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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531 los, |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
532 from, to, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
533 depthbreaks, widthbreaks, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
534 ) |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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535 if err != nil { |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
536 log.Printf("error: %v\n", err) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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|
537 errors = append(errors, err) |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
538 continue |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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 loaded = append(loaded, l) |
6994602d2935
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
541 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
542 |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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543 if len(loaded) == 0 { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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544 err = JSONError{ |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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parents:
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|
545 Code: http.StatusInternalServerError, |
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fairway availibilty: Implemented for streches and sections.
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546 Message: fmt.Sprintf("No bottleneck loaded: %v", joinErrors(errors)), |
6994602d2935
fairway availibilty: Implemented for streches and sections.
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|
547 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
548 return |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
549 } |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
550 |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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551 type calculation struct { |
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fairway availibilty: Implemented for streches and sections.
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|
552 ldc, afd []time.Duration |
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parents:
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|
553 } |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
554 |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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555 n := runtime.NumCPU() / 2 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
556 if n == 0 { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
557 n = 1 |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
558 } |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
559 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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changeset
|
560 var breaks []float64 |
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fairway availibilty: Implemented for streches and sections.
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parents:
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|
561 if useDepth { |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
562 breaks = depthbreaks |
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fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
563 } else { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
564 breaks = widthbreaks |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
565 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
566 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
567 jobCh := make(chan *fullStretchBottleneck) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
568 calcCh := make(chan calculation, n) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
569 done := make(chan struct{}) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
570 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
571 ldc := make([]time.Duration, 2) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
572 afd := make([]time.Duration, len(breaks)+1) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
573 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
574 var wg sync.WaitGroup |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
575 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
576 go func() { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
577 defer close(done) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
578 for calc := range calcCh { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
579 for i, v := range calc.ldc { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
580 ldc[i] += v |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
581 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
582 for i, v := range calc.afd { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
583 afd[i] += v |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
584 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
585 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
586 }() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
587 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
588 for i := 0; i < n; i++ { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
589 wg.Add(1) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
590 go func() { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
591 defer wg.Done() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
592 for bn := range jobCh { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
593 ldc := bn.measurements.classify( |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
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changeset
|
594 from, to, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
595 bn.ldc, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
596 (*availMeasurement).getValue, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
597 ) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
598 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
599 afd := bn.measurements.classify( |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
600 from, to, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
601 bn.breaks, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
602 bn.access, |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
603 ) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
604 calcCh <- calculation{ldc: ldc, afd: afd} |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
605 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
606 }() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
607 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
608 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
609 for _, bn := range loaded { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
610 jobCh <- bn |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
611 } |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
612 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
613 close(jobCh) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
614 wg.Wait() |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
615 close(calcCh) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
616 <-done |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
617 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
618 duration := to.Sub(from) * time.Duration(len(loaded)) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
619 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
620 lnwlPercents := durationsToPercentage(duration, ldc) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
621 afdPercents := durationsToPercentage(duration, afd) |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
622 |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
623 type ldcOutput struct { |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
changeset
|
624 Value float64 `json:"value"` |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
625 Below float64 `json:"below"` |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3424
diff
changeset
|
626 Above float64 `json:"above"` |
6994602d2935
fairway availibilty: Implemented for streches and sections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
627 } |
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628 |
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629 type intervalOutput struct { |
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630 From *float64 `json:"from,omitempty"` |
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631 To *float64 `json:"to,omitempty"` |
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632 Percent float64 `json:"percent"` |
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633 } |
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634 |
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635 type output struct { |
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636 LDC []intervalOutput `json:"ldc"` |
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637 AFD []intervalOutput `json:"afd"` |
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638 } |
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639 |
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640 out := output{ |
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641 LDC: []intervalOutput{ |
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642 {To: new(float64), Percent: lnwlPercents[0]}, |
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643 {From: new(float64), Percent: lnwlPercents[1]}, |
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644 }, |
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645 } |
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646 |
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647 // XXX: In mixed mode the breaks are not correct! |
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648 |
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649 for i, percent := range afdPercents { |
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650 var from, to *float64 |
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651 switch { |
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652 case i == 0: |
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653 to = &breaks[i] |
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654 case i == len(afdPercents)-1: |
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655 from = &breaks[len(breaks)-1] |
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656 default: |
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657 from = &breaks[i-1] |
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658 to = &breaks[i] |
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659 } |
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660 out.AFD = append(out.AFD, intervalOutput{ |
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661 From: from, |
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662 To: to, |
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663 Percent: percent, |
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664 }) |
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665 } |
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666 |
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667 jr = JSONResult{Result: &out} |
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668 return |
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669 } |