Index: /trunk/FACT++/src/HeadersTemperature.h
===================================================================
--- /trunk/FACT++/src/HeadersTemperature.h	(revision 15324)
+++ /trunk/FACT++/src/HeadersTemperature.h	(revision 15324)
@@ -0,0 +1,16 @@
+#ifndef FACT_HeadersTemperature
+#define FACT_HeadersTemperature
+
+namespace Temperature
+{
+    namespace State
+    {
+        enum states_t
+        {
+            kDisconnected = 1,
+            kConnected,
+            kValid
+        };
+    };
+};
+#endif
Index: /trunk/FACT++/src/temperature.cc
===================================================================
--- /trunk/FACT++/src/temperature.cc	(revision 15324)
+++ /trunk/FACT++/src/temperature.cc	(revision 15324)
@@ -0,0 +1,518 @@
+#include <boost/bind.hpp>
+#include <boost/array.hpp>
+
+#include <boost/property_tree/ptree.hpp>
+#include <boost/property_tree/json_parser.hpp>
+
+#include <string>
+
+#include "FACT.h"
+#include "Dim.h"
+#include "Event.h"
+#include "StateMachineDim.h"
+#include "Connection.h"
+#include "LocalControl.h"
+#include "Configuration.h"
+#include "Console.h"
+
+#include "tools.h"
+
+#include "HeadersTemperature.h"
+
+namespace ba = boost::asio;
+namespace bs = boost::system;
+namespace pt = boost::property_tree;
+namespace dummy = ba::placeholders;
+
+using namespace std;
+
+class ConnectionPowerSwitch : public Connection
+{
+protected:
+    bool fIsValid;
+
+private:
+    uint16_t fInterval;
+
+    bool fIsVerbose;
+    bool fDebugRx;
+
+    string fSite;
+    string fRdfData;
+
+    boost::array<char, 4096> fArray;
+
+    string fNextCommand;
+
+    Time fLastReport;
+
+    int fStatus;
+
+    virtual void Update(const vector<float> &temp)
+    {
+    }
+
+
+    void ProcessAnswer()
+    {
+        if (fDebugRx)
+        {
+            Out() << "------------------------------------------------------" << endl;
+            Out() << fRdfData << endl;
+            Out() << "------------------------------------------------------" << endl;
+        }
+
+        const size_t p1 = fRdfData.find("\r\n\r\n");
+        if (p1==string::npos)
+        {
+            Warn("HTTP header not found.");
+            PostClose(false);
+            return;
+        }
+
+        fRdfData.erase(0, p1+4);
+
+        vector<float> temp(3);
+        try
+        {
+            std::stringstream ss;
+            ss << fRdfData;
+
+            pt::ptree tree;
+            pt::read_json(ss, tree);
+
+            const pt::ptree sub2 = tree.get_child("sensor_values.").begin()->second;
+            const pt::ptree sub3 = sub2.get_child("values").begin()->second.begin()->second;
+
+            temp[0] = sub3.get_child("v").get_value<float>();
+
+            auto sub = sub3.get_child("st.").begin();
+
+            temp[1] = sub++->second.get_value<float>();
+            temp[2] = sub->second.get_value<float>();
+        }
+        catch (std::exception const& e)
+        {
+            Warn("Parsing of JSON failed: "+string(e.what()));
+
+            fStatus = Temperature::State::kConnected;
+
+            PostClose(false);
+            return;
+        }
+
+        fRdfData = "";
+
+        Update(temp);
+
+        fStatus = Temperature::State::kValid;
+
+        fLastReport = Time();
+        PostClose(false);
+    }
+
+    void HandleRead(const boost::system::error_code& err, size_t bytes_received)
+    {
+        // Do not schedule a new read if the connection failed.
+        if (bytes_received==0 || err)
+        {
+            if (err==ba::error::eof)
+            {
+                if (!fRdfData.empty())
+                    ProcessAnswer();
+                return;
+            }
+
+            // 107: Transport endpoint is not connected (bs::error_code(107, bs::system_category))
+            // 125: Operation canceled
+            if (err && err!=ba::error::eof &&                     // Connection closed by remote host
+                err!=ba::error::basic_errors::not_connected &&    // Connection closed by remote host
+                err!=ba::error::basic_errors::operation_aborted)  // Connection closed by us
+            {
+                ostringstream str;
+                str << "Reading from " << URL() << ": " << err.message() << " (" << err << ")";// << endl;
+                Error(str);
+            }
+            PostClose(err!=ba::error::basic_errors::operation_aborted);
+
+            fRdfData = "";
+            return;
+        }
+
+        fRdfData += string(fArray.data(), bytes_received);
+
+        // Does the message contain a header?
+        const size_t p1 = fRdfData.find("\r\n\r\n");
+        if (p1!=string::npos)
+        {
+            // Does the answer also contain the body?
+            const size_t p2 = fRdfData.find("\r\n\r\n", p1+4);
+            if (p2!=string::npos)
+                ProcessAnswer();
+        }
+
+        // Go on reading until the web-server closes the connection
+        StartReadReport();
+    }
+
+    boost::asio::streambuf fBuffer;
+
+    void StartReadReport()
+    {
+        async_read_some(ba::buffer(fArray),
+                        boost::bind(&ConnectionPowerSwitch::HandleRead, this,
+                                    dummy::error, dummy::bytes_transferred));
+    }
+
+    boost::asio::deadline_timer fKeepAlive;
+
+    void HandleRequest(const bs::error_code &error)
+    {
+        // 125: Operation canceled (bs::error_code(125, bs::system_category))
+        if (error && error!=ba::error::basic_errors::operation_aborted)
+        {
+            ostringstream str;
+            str << "Write timeout of " << URL() << ": " << error.message() << " (" << error << ")";// << endl;
+            Error(str);
+
+            PostClose(false);
+            return;
+        }
+
+        if (!is_open())
+        {
+            // For example: Here we could schedule a new accept if we
+            // would not want to allow two connections at the same time.
+            PostClose(true);
+            return;
+        }
+
+        // Check whether the deadline has passed. We compare the deadline
+        // against the current time since a new asynchronous operation
+        // may have moved the deadline before this actor had a chance
+        // to run.
+        if (fKeepAlive.expires_at() > ba::deadline_timer::traits_type::now())
+            return;
+
+        Request();
+    }
+
+
+private:
+    // This is called when a connection was established
+    void ConnectionEstablished()
+    {
+        Request();
+        StartReadReport();
+    }
+
+public:
+    static const uint16_t kMaxAddr;
+
+public:
+    ConnectionPowerSwitch(ba::io_service& ioservice, MessageImp &imp) : Connection(ioservice, imp()),
+        fIsValid(false), fIsVerbose(true), fDebugRx(false), fLastReport(Time::none),
+        fStatus(Temperature::State::kDisconnected), fKeepAlive(ioservice)
+    {
+        SetLogStream(&imp);
+    }
+
+    void SetVerbose(bool b)
+    {
+        fIsVerbose = b;
+    }
+
+    void SetDebugRx(bool b)
+    {
+        fDebugRx = b;
+        Connection::SetVerbose(b);
+    }
+
+    void SetInterval(uint16_t i)
+    {
+        fInterval = i;
+    }
+
+    void SetSite(const string &site)
+    {
+        fSite = site;
+    }
+
+    void Post(const string &post)
+    {
+        fNextCommand = post;
+    }
+
+    void Request()
+    {
+        string cmd = "GET " + fSite;
+
+        if (!fNextCommand.empty())
+            cmd += "?" + fNextCommand;
+
+        cmd += " HTTP/1.1\r\n";
+        cmd += "\r\n";
+
+        PostMessage(cmd);
+
+        fNextCommand = "";
+
+        fKeepAlive.expires_from_now(boost::posix_time::seconds(fInterval));
+        fKeepAlive.async_wait(boost::bind(&ConnectionPowerSwitch::HandleRequest,
+                                          this, dummy::error));
+    }
+
+    int GetInterval() const
+    {
+        return fInterval;
+    }
+
+    int GetState() const
+    {
+        // Timeout
+        if (!fLastReport.IsValid() || Time()>fLastReport+boost::posix_time::seconds(fInterval*3))
+            return Temperature::State::kDisconnected;
+
+        return fStatus;
+    }
+};
+
+const uint16_t ConnectionPowerSwitch::kMaxAddr = 0xfff;
+
+// ------------------------------------------------------------------------
+
+#include "DimDescriptionService.h"
+
+class ConnectionDimPowerSwitch : public ConnectionPowerSwitch
+{
+private:
+    DimDescribedService fDim;
+
+public:
+    ConnectionDimPowerSwitch(ba::io_service& ioservice, MessageImp &imp) :
+        ConnectionPowerSwitch(ioservice, imp),
+        fDim("TEMPERATURE/DATA", "F:1;F:1;F:1",
+             "Temperature readout from power switch"
+             "|T[degC]:Current temperature"
+             "|Tmin[degC]:24h minimum"
+             "|Tmax[degC]:24h maximum")
+    {
+    }
+
+    void Update(const vector<float> &temp)
+    {
+        fDim.Update(temp);
+    }
+};
+
+// ------------------------------------------------------------------------
+
+template <class T, class S>
+class StateMachinePowerControl : public T, public ba::io_service, public ba::io_service::work
+{
+private:
+    S fPower;
+    Time fLastCommand;
+
+    bool CheckEventSize(size_t has, const char *name, size_t size)
+    {
+        if (has==size)
+            return true;
+
+        ostringstream msg;
+        msg << name << " - Received event has " << has << " bytes, but expected " << size << ".";
+        T::Fatal(msg);
+        return false;
+    }
+
+    int SetVerbosity(const EventImp &evt)
+    {
+        if (!CheckEventSize(evt.GetSize(), "SetVerbosity", 1))
+            return T::kSM_FatalError;
+
+        fPower.SetVerbose(evt.GetBool());
+
+        return T::GetCurrentState();
+    }
+
+    int SetDebugRx(const EventImp &evt)
+    {
+        if (!CheckEventSize(evt.GetSize(), "SetDebugRx", 1))
+            return T::kSM_FatalError;
+
+        fPower.SetDebugRx(evt.GetBool());
+
+        return T::GetCurrentState();
+    }
+
+    int Execute()
+    {
+        // Dispatch (execute) at most one handler from the queue. In contrary
+        // to run_one(), it doesn't wait until a handler is available
+        // which can be dispatched, so poll_one() might return with 0
+        // handlers dispatched. The handlers are always dispatched/executed
+        // synchronously, i.e. within the call to poll_one()
+        poll_one();
+
+        return fPower.GetState();
+    }
+
+
+public:
+    StateMachinePowerControl(ostream &out=cout) :
+        T(out, "TEMPERATURE"), ba::io_service::work(static_cast<ba::io_service&>(*this)),
+        fPower(*this, *this)
+    {
+        // ba::io_service::work is a kind of keep_alive for the loop.
+        // It prevents the io_service to go to stopped state, which
+        // would prevent any consecutive calls to run()
+        // or poll() to do nothing. reset() could also revoke to the
+        // previous state but this might introduce some overhead of
+        // deletion and creation of threads and more.
+
+        // State names
+        T::AddStateName(Temperature::State::kDisconnected, "NoConnection",
+                     "No connection to web-server could be established recently");
+
+        T::AddStateName(Temperature::State::kConnected, "Connected",
+                     "Connection established, but no valid data received");
+
+        T::AddStateName(Temperature::State::kValid, "Valid",
+                     "Connection established, received data valid");
+
+        // Verbosity commands
+        T::AddEvent("SET_VERBOSE", "B:1")
+            (bind(&StateMachinePowerControl::SetVerbosity, this, placeholders::_1))
+            ("Set verbosity state"
+             "|verbosity[bool]:disable or enable verbosity for interpreted data (yes/no)");
+
+        T::AddEvent("SET_DEBUG_RX", "B:1")
+            (bind(&StateMachinePowerControl::SetDebugRx, this, placeholders::_1))
+            ("Set debux-rx state"
+             "|debug[bool]:dump received text and parsed text to console (yes/no)");
+
+    }
+
+    int EvalOptions(Configuration &conf)
+    {
+        fPower.SetVerbose(!conf.Get<bool>("quiet"));
+        fPower.SetInterval(conf.Get<uint16_t>("interval"));
+        fPower.SetDebugTx(conf.Get<bool>("debug-tx"));
+        fPower.SetDebugRx(conf.Get<bool>("debug-rx"));
+        fPower.SetSite(conf.Get<string>("url"));
+        fPower.SetEndpoint(conf.Get<string>("addr"));
+        fPower.StartConnect();
+
+        return -1;
+    }
+};
+
+// ------------------------------------------------------------------------
+
+#include "Main.h"
+
+
+template<class T, class S, class R>
+int RunShell(Configuration &conf)
+{
+    return Main::execute<T, StateMachinePowerControl<S, R>>(conf);
+}
+
+void SetupConfiguration(Configuration &conf)
+{
+    po::options_description control("Lid control");
+    control.add_options()
+        ("no-dim,d",   po_switch(),    "Disable dim services")
+        ("addr,a",     var<string>("10.0.100.234:80"),  "Network address of the lid controling Arduino including port")
+        ("url,u",      var<string>("/statusjsn.js?components=18179&_=1365876572736"),  "File name and path to load")
+        ("quiet,q",    po_bool(true),  "Disable printing contents of all received messages (except dynamic data) in clear text.")
+        ("interval,i", var<uint16_t>(15), "Interval between two updates on the server in seconds")
+        ("debug-tx",   po_bool(), "Enable debugging of ethernet transmission.")
+        ("debug-rx",   po_bool(), "Enable debugging for received data.")
+        ;
+
+    conf.AddOptions(control);
+}
+
+/*
+ Extract usage clause(s) [if any] for SYNOPSIS.
+ Translators: "Usage" and "or" here are patterns (regular expressions) which
+ are used to match the usage synopsis in program output.  An example from cp
+ (GNU coreutils) which contains both strings:
+  Usage: cp [OPTION]... [-T] SOURCE DEST
+    or:  cp [OPTION]... SOURCE... DIRECTORY
+    or:  cp [OPTION]... -t DIRECTORY SOURCE...
+ */
+void PrintUsage()
+{
+    cout <<
+        "The temperature is an interface to readout the temperate from the power switch.\n"
+        "\n"
+        "The default is that the program is started without user intercation. "
+        "All actions are supposed to arrive as DimCommands. Using the -c "
+        "option, a local shell can be initialized. With h or help a short "
+        "help message about the usuage can be brought to the screen.\n"
+        "\n"
+        "Usage: temperature [-c type] [OPTIONS]\n"
+        "  or:  temperature [OPTIONS]\n";
+    cout << endl;
+}
+
+void PrintHelp()
+{
+//    Main::PrintHelp<StateMachineFTM<StateMachine, ConnectionFTM>>();
+
+    /* Additional help text which is printed after the configuration
+     options goes here */
+
+    /*
+     cout << "bla bla bla" << endl << endl;
+     cout << endl;
+     cout << "Environment:" << endl;
+     cout << "environment" << endl;
+     cout << endl;
+     cout << "Examples:" << endl;
+     cout << "test exam" << endl;
+     cout << endl;
+     cout << "Files:" << endl;
+     cout << "files" << endl;
+     cout << endl;
+     */
+}
+
+int main(int argc, const char* argv[])
+{
+    Configuration conf(argv[0]);
+    conf.SetPrintUsage(PrintUsage);
+    Main::SetupConfiguration(conf);
+    SetupConfiguration(conf);
+
+    if (!conf.DoParse(argc, argv, PrintHelp))
+        return 127;
+
+    // No console access at all
+    if (!conf.Has("console"))
+    {
+        if (conf.Get<bool>("no-dim"))
+            return RunShell<LocalStream, StateMachine, ConnectionPowerSwitch>(conf);
+        else
+            return RunShell<LocalStream, StateMachineDim, ConnectionDimPowerSwitch>(conf);
+    }
+    // Cosole access w/ and w/o Dim
+    if (conf.Get<bool>("no-dim"))
+    {
+        if (conf.Get<int>("console")==0)
+            return RunShell<LocalShell, StateMachine, ConnectionPowerSwitch>(conf);
+        else
+            return RunShell<LocalConsole, StateMachine, ConnectionPowerSwitch>(conf);
+    }
+    else
+    {
+        if (conf.Get<int>("console")==0)
+            return RunShell<LocalShell, StateMachineDim, ConnectionDimPowerSwitch>(conf);
+        else
+            return RunShell<LocalConsole, StateMachineDim, ConnectionDimPowerSwitch>(conf);
+    }
+
+    return 0;
+}
