1 | #include <boost/bind.hpp>
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2 |
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3 | #include "FACT.h"
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4 | #include "Dim.h"
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5 | #include "Event.h"
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6 | #include "Shell.h"
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7 | #include "StateMachineDim.h"
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8 | #include "Connection.h"
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9 | #include "LocalControl.h"
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10 | #include "Configuration.h"
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11 | #include "Timers.h"
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12 | #include "Console.h"
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13 | #include "Converter.h"
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14 |
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15 | #include "tools.h"
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16 |
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17 |
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18 | namespace ba = boost::asio;
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19 | namespace bs = boost::system;
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20 | namespace dummy = ba::placeholders;
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21 |
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22 | using namespace std;
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23 |
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24 | // ------------------------------------------------------------------------
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25 |
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26 | struct DimWeather
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27 | {
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28 | DimWeather() { memset(this, 0, sizeof(DimWeather)); }
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29 |
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30 | uint16_t fStatus;
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31 |
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32 | float fTemp;
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33 | float fDew;
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34 | float fHum;
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35 | float fPress;
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36 | float fWind;
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37 | float fDir;
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38 |
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39 | } __attribute__((__packed__));
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40 |
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41 |
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42 | // ------------------------------------------------------------------------
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43 |
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44 | class ConnectionWeather : public Connection
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45 | {
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46 | int fState;
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47 |
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48 | bool fIsVerbose;
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49 |
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50 | virtual void UpdateWeather(const Time &, const DimWeather &)
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51 | {
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52 | }
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53 |
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54 | protected:
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55 |
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56 | boost::array<char, 4096> fArray;
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57 |
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58 | Time fLastReport;
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59 |
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60 | void HandleRead(const boost::system::error_code& err, size_t bytes_received)
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61 | {
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62 | // Do not schedule a new read if the connection failed.
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63 | if (bytes_received==0 || err)
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64 | {
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65 | if (err==ba::error::eof)
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66 | Warn("Connection closed by remote host.");
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67 |
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68 | // 107: Transport endpoint is not connected (bs::error_code(107, bs::system_category))
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69 | // 125: Operation canceled
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70 | if (err && err!=ba::error::eof && // Connection closed by remote host
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71 | err!=ba::error::basic_errors::not_connected && // Connection closed by remote host
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72 | err!=ba::error::basic_errors::operation_aborted) // Connection closed by us
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73 | {
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74 | ostringstream str;
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75 | str << "Reading from " << URL() << ": " << err.message() << " (" << err << ")";// << endl;
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76 | Error(str);
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77 | }
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78 | PostClose(err!=ba::error::basic_errors::operation_aborted);
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79 | return;
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80 | }
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81 |
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82 | PostClose(false);
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83 |
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84 | const string str(fArray.data(), bytes_received);
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85 | memset(fArray.data(), 0, fArray.size());
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86 |
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87 | if (fIsVerbose)
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88 | Out() << str << endl;
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89 |
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90 | bool isheader = true;
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91 |
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92 | DimWeather data;
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93 |
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94 | int hh=0, mm=0, ss=0, y=0, m=0, d=0;
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95 |
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96 | stringstream is(str);
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97 | string line;
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98 | while (getline(is, line))
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99 | {
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100 | if (line.size()==1 && line[0]==13)
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101 | {
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102 | isheader = false;
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103 | continue;
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104 | }
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105 |
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106 | if (isheader)
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107 | {
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108 | /*
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109 | if (line.substr(0, 16)=="Content-Length: ")
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110 | {
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111 | fSize = atoi(line.substr(16).data());
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112 | cout << "Size==" << fSize << endl;
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113 | }
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114 |
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115 | if (line.substr(0, 15)=="Last-Modified: ")
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116 | cout << "Last==" << line.substr(15).data() << endl;
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117 | */
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118 | }
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119 | else
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120 | {
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121 | if (line.substr(0, 2)=="ST")
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122 | data.fStatus = atoi(line.substr(2).data());
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123 |
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124 | if (line.substr(0, 2)=="TE")
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125 | data.fTemp = atof(line.substr(2).data());
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126 |
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127 | if (line.substr(0, 2)=="DP")
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128 | data.fDew = atof(line.substr(2).data());
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129 |
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130 | if (line.substr(0, 3)=="HUM")
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131 | data.fHum = atof(line.substr(3).data());
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132 |
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133 | if (line.substr(0, 2)=="WS")
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134 | data.fWind = atof(line.substr(2).data());
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135 |
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136 | if (line.substr(0, 3)=="MWD")
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137 | data.fDir = atof(line.substr(3).data());
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138 |
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139 | if (line.substr(0, 5)=="PRESS")
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140 | data.fPress = atof(line.substr(5).data());
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141 |
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142 | if (line.substr(0, 4)=="HOUR")
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143 | hh = atoi(line.substr(4).data());
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144 |
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145 | if (line.substr(0, 6)=="MINUTS")
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146 | mm = atoi(line.substr(6).data());
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147 |
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148 | if (line.substr(0, 7)=="SECONDS")
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149 | ss = atoi(line.substr(7).data());
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150 |
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151 | if (line.substr(0, 4)=="YEAR")
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152 | y = atoi(line.substr(4).data());
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153 |
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154 | if (line.substr(0, 5)=="MONTH")
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155 | m = atoi(line.substr(5).data());
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156 |
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157 | if (line.substr(0, 3)=="DAY")
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158 | d = atoi(line.substr(3).data());
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159 | }
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160 | }
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161 |
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162 | try
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163 | {
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164 | const Time tm = Time(2000+y, m, d, hh, mm, ss);
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165 | if (tm==fLastReport)
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166 | return;
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167 |
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168 | ostringstream msg;
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169 | msg << tm << "[" << data.fStatus << "]: T="
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170 | << data.fTemp << "°C H=" << data.fHum << "% P="
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171 | << data.fPress << "hPa Td=" << data.fDew << "°C V="
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172 | << data.fWind << "km/h dir=" << data.fDir << "deg" << endl;
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173 | Message(msg);
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174 |
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175 | UpdateWeather(tm, data);
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176 |
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177 | fLastReport = tm;
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178 | }
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179 | catch (const exception &e)
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180 | {
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181 | Warn("Corrupted time received.");
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182 | }
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183 |
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184 | }
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185 |
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186 | void StartReadReport()
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187 | {
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188 | async_read_some(ba::buffer(fArray),
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189 | boost::bind(&ConnectionWeather::HandleRead, this,
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190 | dummy::error, dummy::bytes_transferred));
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191 | }
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192 |
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193 | boost::asio::deadline_timer fKeepAlive;
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194 |
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195 | void PostRequest()
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196 | {
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197 | const string dir = "/site/weather/weather_data.txt";
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198 |
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199 | const string cmd = "GET "+dir+" HTTP/1.1\r\nHost: www.fact-project.org\r\n\r\n";
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200 | PostMessage(cmd);
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201 | }
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202 |
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203 | void Request()
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204 | {
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205 | PostRequest();
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206 |
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207 | fKeepAlive.expires_from_now(boost::posix_time::seconds(55));
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208 | fKeepAlive.async_wait(boost::bind(&ConnectionWeather::HandleRequest,
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209 | this, dummy::error));
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210 | }
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211 |
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212 | void HandleRequest(const bs::error_code &error)
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213 | {
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214 | // 125: Operation canceled (bs::error_code(125, bs::system_category))
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215 | if (error && error!=ba::error::basic_errors::operation_aborted)
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216 | {
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217 | ostringstream str;
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218 | str << "Write timeout of " << URL() << ": " << error.message() << " (" << error << ")";// << endl;
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219 | Error(str);
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220 |
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221 | PostClose(false);
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222 | return;
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223 | }
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224 |
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225 | if (!is_open())
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226 | {
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227 | // For example: Here we could schedule a new accept if we
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228 | // would not want to allow two connections at the same time.
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229 | PostClose(true);
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230 | return;
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231 | }
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232 |
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233 | // Check whether the deadline has passed. We compare the deadline
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234 | // against the current time since a new asynchronous operation
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235 | // may have moved the deadline before this actor had a chance
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236 | // to run.
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237 | if (fKeepAlive.expires_at() > ba::deadline_timer::traits_type::now())
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238 | return;
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239 |
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240 | Request();
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241 | }
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242 |
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243 |
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244 | private:
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245 | // This is called when a connection was established
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246 | void ConnectionEstablished()
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247 | {
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248 | Request();
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249 | StartReadReport();
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250 | }
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251 |
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252 | public:
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253 |
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254 | static const uint16_t kMaxAddr;
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255 |
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256 | public:
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257 | ConnectionWeather(ba::io_service& ioservice, MessageImp &imp) : Connection(ioservice, imp()),
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258 | fState(-1), fIsVerbose(true), fKeepAlive(ioservice)
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259 | {
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260 | SetLogStream(&imp);
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261 | }
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262 |
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263 | void SetVerbose(bool b)
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264 | {
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265 | fIsVerbose = b;
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266 | }
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267 |
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268 | int GetState() const
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269 | {
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270 | if (!IsConnected())
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271 | return 1;
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272 | if (IsConnected() && fState<0)
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273 | return 2;
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274 | return fState+3;
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275 | }
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276 | };
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277 |
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278 | const uint16_t ConnectionWeather::kMaxAddr = 0xfff;
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279 |
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280 | // ------------------------------------------------------------------------
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281 |
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282 | #include "DimDescriptionService.h"
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283 |
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284 | class ConnectionDimDrive : public ConnectionWeather
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285 | {
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286 | private:
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287 |
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288 | DimDescribedService fDimWeather;
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289 |
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290 | virtual void UpdateWeather(const Time &t, const DimWeather &data)
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291 | {
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292 | fDimWeather.setData(&data, sizeof(DimWeather));
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293 | fDimWeather.Update(t);
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294 | }
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295 |
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296 | public:
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297 | ConnectionDimDrive(ba::io_service& ioservice, MessageImp &imp) :
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298 | ConnectionWeather(ioservice, imp),
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299 | fDimWeather("MAGIC_WEATHER/DATA", "S:1;F:1;F:1;F:1;F:1;F:1;F:1",
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300 | "|stat:Status"
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301 | "|T[deg C]:Temperature"
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302 | "|T_dew[deg C]:Dew point"
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303 | "|H[%]:Humidity"
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304 | "|P[hPa]:Air pressure"
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305 | "|v[km/h]:Wind speed"
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306 | "|d[deg]:Wind direction (N-E)")
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307 | {
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308 | }
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309 | };
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310 |
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311 | // ------------------------------------------------------------------------
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312 |
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313 | template <class T, class S>
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314 | class StateMachineDrive : public T, public ba::io_service, public ba::io_service::work
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315 | {
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316 | int Wrap(boost::function<void()> f)
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317 | {
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318 | f();
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319 | return T::GetCurrentState();
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320 | }
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321 |
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322 | boost::function<int(const EventImp &)> Wrapper(boost::function<void()> func)
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323 | {
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324 | return bind(&StateMachineDrive::Wrap, this, func);
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325 | }
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326 |
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327 | private:
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328 | S fWeather;
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329 |
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330 | enum states_t
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331 | {
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332 | kStateDisconnected = 1,
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333 | kStateConnected,
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334 | kStateOk,
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335 | };
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336 |
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337 | bool CheckEventSize(size_t has, const char *name, size_t size)
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338 | {
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339 | if (has==size)
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340 | return true;
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341 |
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342 | ostringstream msg;
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343 | msg << name << " - Received event has " << has << " bytes, but expected " << size << ".";
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344 | T::Fatal(msg);
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345 | return false;
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346 | }
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347 |
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348 | int SetVerbosity(const EventImp &evt)
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349 | {
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350 | if (!CheckEventSize(evt.GetSize(), "SetVerbosity", 1))
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351 | return T::kSM_FatalError;
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352 |
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353 | fWeather.SetVerbose(evt.GetBool());
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354 |
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355 | return T::GetCurrentState();
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356 | }
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357 |
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358 | int Disconnect()
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359 | {
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360 | // Close all connections
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361 | fWeather.PostClose(false);
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362 |
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363 | /*
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364 | // Now wait until all connection have been closed and
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365 | // all pending handlers have been processed
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366 | poll();
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367 | */
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368 |
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369 | return T::GetCurrentState();
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370 | }
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371 |
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372 | int Reconnect(const EventImp &evt)
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373 | {
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374 | // Close all connections to supress the warning in SetEndpoint
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375 | fWeather.PostClose(false);
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376 |
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377 | // Now wait until all connection have been closed and
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378 | // all pending handlers have been processed
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379 | poll();
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380 |
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381 | if (evt.GetBool())
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382 | fWeather.SetEndpoint(evt.GetString());
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383 |
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384 | // Now we can reopen the connection
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385 | fWeather.PostClose(true);
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386 |
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387 | return T::GetCurrentState();
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388 | }
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389 |
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390 | int Execute()
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391 | {
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392 | // Dispatch (execute) at most one handler from the queue. In contrary
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393 | // to run_one(), it doesn't wait until a handler is available
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394 | // which can be dispatched, so poll_one() might return with 0
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395 | // handlers dispatched. The handlers are always dispatched/executed
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396 | // synchronously, i.e. within the call to poll_one()
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397 | poll_one();
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398 |
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399 | return fWeather.GetState();
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400 | }
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401 |
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402 |
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403 | public:
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404 | StateMachineDrive(ostream &out=cout) :
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405 | T(out, "MAGIC_WEATHER"), ba::io_service::work(static_cast<ba::io_service&>(*this)),
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406 | fWeather(*this, *this)
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407 | {
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408 | // ba::io_service::work is a kind of keep_alive for the loop.
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409 | // It prevents the io_service to go to stopped state, which
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410 | // would prevent any consecutive calls to run()
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411 | // or poll() to do nothing. reset() could also revoke to the
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412 | // previous state but this might introduce some overhead of
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413 | // deletion and creation of threads and more.
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414 |
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415 | // State names
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416 | AddStateName(kStateDisconnected, "Disconnected",
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417 | "No connection to cosy");
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418 |
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419 | AddStateName(kStateConnected, "Connected",
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420 | "Cosy connected, drive stopped");
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421 |
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422 | AddStateName(kStateOk, "Ok",
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423 | "Drive system not ready for movement");
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424 |
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425 | // Verbosity commands
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426 | T::AddEvent("SET_VERBOSE", "B")
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427 | (bind(&StateMachineDrive::SetVerbosity, this, placeholders::_1))
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428 | ("set verbosity state"
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429 | "|verbosity[bool]:disable or enable verbosity for received data (yes/no), except dynamic data");
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430 |
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431 | // Conenction commands
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432 | AddEvent("DISCONNECT", kStateConnected)
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433 | (bind(&StateMachineDrive::Disconnect, this))
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434 | ("disconnect from ethernet");
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435 |
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436 | AddEvent("RECONNECT", "O", kStateDisconnected, kStateConnected)
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437 | (bind(&StateMachineDrive::Reconnect, this, placeholders::_1))
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438 | ("(Re)connect ethernet connection to FTM, a new address can be given"
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439 | "|[host][string]:new ethernet address in the form <host:port>");
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440 |
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441 | fWeather.StartConnect();
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442 | }
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443 |
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444 | void SetEndpoint(const string &url)
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445 | {
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446 | fWeather.SetEndpoint(url);
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447 | }
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448 |
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449 | int EvalOptions(Configuration &conf)
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450 | {
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451 | SetEndpoint(conf.Get<string>("addr"));
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452 |
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453 | fWeather.SetVerbose(!conf.Get<bool>("quiet"));
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454 |
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455 | return -1;
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456 | }
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457 | };
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458 |
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459 | // ------------------------------------------------------------------------
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460 |
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461 | #include "Main.h"
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462 |
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463 |
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464 | template<class T, class S, class R>
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465 | int RunShell(Configuration &conf)
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466 | {
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467 | return Main::execute<T, StateMachineDrive<S, R>>(conf);
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468 | }
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469 |
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470 | void SetupConfiguration(Configuration &conf)
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471 | {
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472 | po::options_description control("Drive control options");
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473 | control.add_options()
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474 | ("no-dim,d", po_switch(), "Disable dim services")
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475 | ("addr,a", var<string>("www.magic.iac.es:80"), "Network address of Cosy")
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476 | ("quiet,q", po_bool(true), "Disable printing contents of all received messages (except dynamic data) in clear text.")
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477 | ;
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478 |
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479 | conf.AddOptions(control);
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480 | }
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481 |
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482 | /*
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483 | Extract usage clause(s) [if any] for SYNOPSIS.
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484 | Translators: "Usage" and "or" here are patterns (regular expressions) which
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485 | are used to match the usage synopsis in program output. An example from cp
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486 | (GNU coreutils) which contains both strings:
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487 | Usage: cp [OPTION]... [-T] SOURCE DEST
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488 | or: cp [OPTION]... SOURCE... DIRECTORY
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489 | or: cp [OPTION]... -t DIRECTORY SOURCE...
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490 | */
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491 | void PrintUsage()
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492 | {
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493 | cout <<
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494 | "The drivectrl is an interface to cosy.\n"
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495 | "\n"
|
---|
496 | "The default is that the program is started without user intercation. "
|
---|
497 | "All actions are supposed to arrive as DimCommands. Using the -c "
|
---|
498 | "option, a local shell can be initialized. With h or help a short "
|
---|
499 | "help message about the usuage can be brought to the screen.\n"
|
---|
500 | "\n"
|
---|
501 | "Usage: drivectrl [-c type] [OPTIONS]\n"
|
---|
502 | " or: drivectrl [OPTIONS]\n";
|
---|
503 | cout << endl;
|
---|
504 | }
|
---|
505 |
|
---|
506 | void PrintHelp()
|
---|
507 | {
|
---|
508 | // Main::PrintHelp<StateMachineFTM<StateMachine, ConnectionFTM>>();
|
---|
509 |
|
---|
510 | /* Additional help text which is printed after the configuration
|
---|
511 | options goes here */
|
---|
512 |
|
---|
513 | /*
|
---|
514 | cout << "bla bla bla" << endl << endl;
|
---|
515 | cout << endl;
|
---|
516 | cout << "Environment:" << endl;
|
---|
517 | cout << "environment" << endl;
|
---|
518 | cout << endl;
|
---|
519 | cout << "Examples:" << endl;
|
---|
520 | cout << "test exam" << endl;
|
---|
521 | cout << endl;
|
---|
522 | cout << "Files:" << endl;
|
---|
523 | cout << "files" << endl;
|
---|
524 | cout << endl;
|
---|
525 | */
|
---|
526 | }
|
---|
527 |
|
---|
528 | int main(int argc, const char* argv[])
|
---|
529 | {
|
---|
530 | Configuration conf(argv[0]);
|
---|
531 | conf.SetPrintUsage(PrintUsage);
|
---|
532 | Main::SetupConfiguration(conf);
|
---|
533 | SetupConfiguration(conf);
|
---|
534 |
|
---|
535 | if (!conf.DoParse(argc, argv, PrintHelp))
|
---|
536 | return -1;
|
---|
537 |
|
---|
538 | //try
|
---|
539 | {
|
---|
540 | // No console access at all
|
---|
541 | if (!conf.Has("console"))
|
---|
542 | {
|
---|
543 | if (conf.Get<bool>("no-dim"))
|
---|
544 | return RunShell<LocalStream, StateMachine, ConnectionWeather>(conf);
|
---|
545 | else
|
---|
546 | return RunShell<LocalStream, StateMachineDim, ConnectionDimDrive>(conf);
|
---|
547 | }
|
---|
548 | // Cosole access w/ and w/o Dim
|
---|
549 | if (conf.Get<bool>("no-dim"))
|
---|
550 | {
|
---|
551 | if (conf.Get<int>("console")==0)
|
---|
552 | return RunShell<LocalShell, StateMachine, ConnectionWeather>(conf);
|
---|
553 | else
|
---|
554 | return RunShell<LocalConsole, StateMachine, ConnectionWeather>(conf);
|
---|
555 | }
|
---|
556 | else
|
---|
557 | {
|
---|
558 | if (conf.Get<int>("console")==0)
|
---|
559 | return RunShell<LocalShell, StateMachineDim, ConnectionDimDrive>(conf);
|
---|
560 | else
|
---|
561 | return RunShell<LocalConsole, StateMachineDim, ConnectionDimDrive>(conf);
|
---|
562 | }
|
---|
563 | }
|
---|
564 | /*catch (std::exception& e)
|
---|
565 | {
|
---|
566 | cerr << "Exception: " << e.what() << endl;
|
---|
567 | return -1;
|
---|
568 | }*/
|
---|
569 |
|
---|
570 | return 0;
|
---|
571 | }
|
---|