implemented new abstractrouting things in core
[profile/ivi/automotive-message-broker.git] / plugins / database / databasesink.cpp
index 742f5ac..423e043 100644 (file)
 #include "databasesink.h"
 #include "abstractroutingengine.h"
+#include "listplusplus.h"
+
+int bufferLength = 100;
 
 extern "C" AbstractSinkManager * create(AbstractRoutingEngine* routingengine, map<string, string> config)
 {
        return new DatabaseSinkManager(routingengine, config);
 }
 
+void * cbFunc(gpointer data)
+{
+       Shared *shared = static_cast<Shared*>(data);
+
+       if(!shared)
+       {
+               throw std::runtime_error("Could not cast shared object.");
+       }
+
+       vector<DictionaryList<string> > insertList;
+
+       while(1)
+       {
+               DBObject* obj = shared->queue.pop();
+
+               if( obj->quit )
+               {
+                       delete obj;
+                       break;
+               }
+
+               DictionaryList<string> dict;
+
+               NameValuePair<string> one("key", obj->key);
+               NameValuePair<string> two("value", obj->value);
+               NameValuePair<string> three("source", obj->source);
+               NameValuePair<string> four("time", boost::lexical_cast<string>(obj->time));
+               NameValuePair<string> five("sequence", boost::lexical_cast<string>(obj->sequence));
+
+               dict.push_back(one);
+               dict.push_back(two);
+               dict.push_back(three);
+               dict.push_back(four);
+               dict.push_back(five);
+
+               insertList.push_back(dict);
+
+               if(insertList.size() > bufferLength)
+               {
+                       shared->db->exec("BEGIN IMMEDIATE TRANSACTION");
+                       for(int i=0; i< insertList.size(); i++)
+                       {
+                               DictionaryList<string> d = insertList[i];
+                               shared->db->insert(d);
+                       }
+                       shared->db->exec("END TRANSACTION");
+                       insertList.clear();
+               }
+               delete obj;
+       }
+
+       /// final flush of whatever is still in the queue:
+
+       shared->db->exec("BEGIN IMMEDIATE TRANSACTION");
+       for(int i=0; i< insertList.size(); i++)
+       {
+               DictionaryList<string> d = insertList[i];
+               shared->db->insert(d);
+       }
+       shared->db->exec("END TRANSACTION");
+
+       return NULL;
+}
+
+int getNextEvent(gpointer data)
+{
+       PlaybackShared* pbshared = static_cast<PlaybackShared*>(data);
+
+       if(!pbshared)
+               throw std::runtime_error("failed to cast PlaybackShared object");
+
+       if(pbshared->stop)
+               return 0;
+
+       auto itr = pbshared->playbackQueue.begin();
+
+       if(itr == pbshared->playbackQueue.end())
+       {
+               return 0;
+       }
+
+       DBObject* obj = *itr;
+
+       AbstractPropertyType* value = VehicleProperty::getPropertyTypeForPropertyNameValue(obj->key,obj->value);
+
+       if(value)
+       {
+               pbshared->routingEngine->updateProperty(obj->key, value, pbshared->uuid);
+               value->timestamp = obj->time;
+               //value->sequence = obj->sequence;
+       }
+
+       if(++itr != pbshared->playbackQueue.end())
+       {
+               DBObject *o2 = *itr;
+               double t = o2->time - obj->time;
+
+               if(t > 0)
+                       g_timeout_add((t*1000) / pbshared->playBackMultiplier, getNextEvent, pbshared);
+               else
+                       g_timeout_add(1, getNextEvent, pbshared);
+       }
+
+       pbshared->playbackQueue.remove(obj);
+       DebugOut()<<"playback Queue size: "<<pbshared->playbackQueue.size()<<endl;
+       delete obj;
+
+       return 0;
+}
+
 DatabaseSink::DatabaseSink(AbstractRoutingEngine *engine, map<std::string, std::string> config)
-       :AbstractSource(engine,config)
+       :AbstractSource(engine,config),thread(NULL),shared(NULL),playback(false),playbackShared(NULL), playbackMultiplier(1)
 {
        databaseName = "storage";
        tablename = "data";
        tablecreate = "CREATE TABLE IF NOT EXISTS data (key TEXT, value BLOB, source TEXT, time REAL, sequence REAL)";
-       shared = new Shared;
-       shared->db->init(databaseName, tablename, tablecreate);
 
-       engine->subscribeToProperty(VehicleProperty::EngineSpeed, this);
-       engine->subscribeToProperty(VehicleProperty::VehicleSpeed, this);
+       if(config.find("databaseFile") != config.end())
+       {
+               setDatabaseFileName(config["databaseFile"]);
+       }
+
+       if(config.find("bufferLength") != config.end())
+       {
+               bufferLength = atoi(config["bufferLength"].c_str());
+       }
 
-       PropertyList props;
-       props.push_back(VehicleProperty::EngineSpeed);
-       props.push_back(VehicleProperty::VehicleSpeed);
+       if(config.find("properties") != config.end())
+       {
+               parseConfig();
+       }
 
-       engine->setSupported(supported(),this);
+       for(auto itr=propertiesToSubscribeTo.begin();itr!=propertiesToSubscribeTo.end();itr++)
+       {
+               engine->subscribeToProperty(*itr,this);
+       }
+
+       mSupported.push_back(DatabaseFile);
+       mSupported.push_back(DatabaseLogging);
+       mSupported.push_back(DatabasePlayback);
+
+       routingEngine->setSupported(supported(), this);
 
-       auto cb = [](gpointer data)
+       if(config.find("startOnLoad")!= config.end())
        {
-               Shared *shared = (Shared*)data;
+               setLogging(true);
+       }
 
-               while(1)
-               {
-                       DBObject* obj = shared->queue.pop();
+       if(config.find("playbackMultiplier")!= config.end())
+       {
+               playbackMultiplier = boost::lexical_cast<uint>(config["playbackMultiplier"]);
+       }
 
-                       if( obj->quit )
-                       {
-                               break;
-                       }
+       if(config.find("playbackOnLoad")!= config.end())
+       {
+               setPlayback(true);
+       }
 
-                       DictionaryList<string> dict;
 
-                       NameValuePair<string> one("key", obj->key);
-                       NameValuePair<string> two("value", obj->value);
-                       NameValuePair<string> three("source", obj->source);
-                       NameValuePair<string> four("time", boost::lexical_cast<string>(obj->time));
-                       NameValuePair<string> five("sequence", boost::lexical_cast<string>(obj->sequence));
+}
 
-                       dict.push_back(one);
-                       dict.push_back(two);
-                       dict.push_back(three);
-                       dict.push_back(four);
-                       dict.push_back(five);
+DatabaseSink::~DatabaseSink()
+{
+       if(shared)
+       {
+               DBObject* obj = new DBObject();
+               obj->quit = true;
 
-                       shared->db->insert(dict);
-                       delete obj;
-               }
+               shared->queue.append(obj);
+
+               g_thread_join(thread);
+               g_thread_unref(thread);
+               delete shared;
+       }
 
-               void* ret = NULL;
-               return ret;
-       };
+       if(playbackShared)
+       {
+               delete playbackShared;
+       }
+}
 
-       thread = g_thread_new("dbthread", cb, shared);
+
+void DatabaseSink::supportedChanged(PropertyList supportedProperties)
+{
 
 }
 
-DatabaseSink::~DatabaseSink()
+PropertyList DatabaseSink::supported()
 {
-       DBObject* obj = new DBObject();
-       obj->quit = true;
+       return mSupported;
+}
+
+PropertyInfo DatabaseSink::getPropertyInfo(VehicleProperty::Property property)
+{
+       /// TODO: Compute update frequency for properties in the database
+       return PropertyInfo();
+}
 
+void DatabaseSink::parseConfig()
+{
+       json_object *rootobject;
+       json_tokener *tokener = json_tokener_new();
+       enum json_tokener_error err;
+       do
+       {
+               rootobject = json_tokener_parse_ex(tokener, configuration["properties"].c_str(),configuration["properties"].size());
+       } while ((err = json_tokener_get_error(tokener)) == json_tokener_continue);
+       if (err != json_tokener_success)
+       {
+               fprintf(stderr, "Error: %s\n", json_tokener_error_desc(err));
+       }
+       if (tokener->char_offset < configuration["properties"].size()) // XXX shouldn't access internal fields
+       {
+               //Should handle the extra data here sometime...
+       }
+       
+       json_object *propobject = json_object_object_get(rootobject,"properties");
+       
+       g_assert(json_object_get_type(propobject) == json_type_array);
+
+       array_list *proplist = json_object_get_array(propobject);
+       
+       for(int i=0; i < array_list_length(proplist); i++)
+       {
+               json_object *idxobj = (json_object*)array_list_get_idx(proplist,i);
+               std::string prop = json_object_get_string(idxobj);
+               propertiesToSubscribeTo.push_back(prop);
+
+               DebugOut()<<"DatabaseSink logging: "<<prop<<endl;
+       }
+
+       json_object_put(propobject);
+       json_object_put(rootobject);
+}
+
+void DatabaseSink::stopDb()
+{
+       if(!shared)
+               return;
+
+       DBObject *obj = new DBObject();
+       obj->quit = true;
        shared->queue.append(obj);
 
        g_thread_join(thread);
 
        delete shared;
+       shared = NULL;
 }
 
+void DatabaseSink::startDb()
+{
+       if(playback)
+       {
+               DebugOut(0)<<"ERROR: tried to start logging during playback.  Only logging or playback can be used at one time"<<endl;
+               return;
+       }
 
-void DatabaseSink::supportedChanged(PropertyList supportedProperties)
+       if(shared)
+       {
+               DebugOut(0)<<"WARNING: logging already started.  doing nothing."<<endl;
+               return;
+       }
+
+       initDb();
+
+       thread = g_thread_new("dbthread", cbFunc, shared);
+}
+
+void DatabaseSink::startPlayback()
+{
+       if(playback)
+               return;
+
+       playback = true;
+
+       initDb();
+
+       /// populate playback queue:
+
+       vector<vector<string> > results = shared->db->select("SELECT * FROM "+tablename);
+
+       /// we are done with shared.  clean up:
+       delete shared;
+       shared = NULL;
+
+       if(playbackShared)
+       {
+               delete playbackShared;
+       }
+
+       playbackShared = new PlaybackShared(routingEngine, uuid(), playbackMultiplier);
+
+       for(int i=0;i<results.size();i++)
+       {
+               if(results[i].size() < 5)
+               {
+                       throw std::runtime_error("column mismatch in query");
+               }
+
+               DBObject* obj = new DBObject();
+
+               obj->key = results[i][0];
+               obj->value = results[i][1];
+               obj->source = results[i][2];
+               obj->time = boost::lexical_cast<double>(results[i][3]);
+
+               /// TODO: figure out why sequence is broken:
+
+//             obj->sequence = boost::lexical_cast<int>(results[i][4]);
+
+               playbackShared->playbackQueue.push_back(obj);
+       }
+
+       g_timeout_add(0,getNextEvent,playbackShared);
+}
+
+void DatabaseSink::initDb()
 {
+       if(shared) delete shared;
 
+       shared = new Shared;
+       shared->db->init(databaseName, tablename, tablecreate);
 }
 
-PropertyList DatabaseSink::supported()
+void DatabaseSink::setPlayback(bool v)
 {
-       PropertyList props;
+       AsyncSetPropertyRequest request;
+       request.property = DatabasePlayback;
+       request.value = new DatabasePlaybackType(v);
 
-       props.push_back(VehicleProperty::EngineSpeed);
-       props.push_back(VehicleProperty::VehicleSpeed);
+       setProperty(request);
+}
+
+void DatabaseSink::setLogging(bool b)
+{
+       AsyncSetPropertyRequest request;
+       request.property = DatabaseLogging;
+       request.value = new DatabaseLoggingType(b);
 
-       return props;
+       setProperty(request);
+}
+
+void DatabaseSink::setDatabaseFileName(string filename)
+{
+       databaseName = filename;
+
+       initDb();
+
+       vector<vector<string> > supportedStr = shared->db->select("SELECT DISTINCT key FROM "+tablename);
+
+       for(int i=0; i < supportedStr.size(); i++)
+       {
+               if(!ListPlusPlus<VehicleProperty::Property>(&mSupported).contains(supportedStr[i][0]))
+                       mSupported.push_back(supportedStr[i][0]);
+       }
+
+       delete shared;
+       shared = NULL;
+
+       routingEngine->setSupported(mSupported, this);
 }
 
 void DatabaseSink::propertyChanged(VehicleProperty::Property property, AbstractPropertyType *value, std::string uuid)
 {
+       if(!shared)
+               return;
+
+       if(!ListPlusPlus<VehicleProperty::Property>(&mSupported).contains(property))
+       {
+               mSupported.push_back(property);
+               routingEngine->setSupported(mSupported, this);
+       }
+
        DBObject* obj = new DBObject;
        obj->key = property;
        obj->value = value->toString();
@@ -111,7 +401,40 @@ std::string DatabaseSink::uuid()
 
 void DatabaseSink::getPropertyAsync(AsyncPropertyReply *reply)
 {
+       reply->success = false;
+
+       if(reply->property == DatabaseFile)
+       {
+               DatabaseFileType temp(databaseName);
+               reply->value = &temp;
+
+               reply->success = true;
+               reply->completed(reply);
+
+               return;
+       }
+       else if(reply->property == DatabaseLogging)
+       {
+               DatabaseLoggingType temp = shared;
+
+               reply->value = &temp;
+               reply->success = true;
+               reply->completed(reply);
 
+               return;
+       }
+
+       else if(reply->property == DatabasePlayback)
+       {
+               DatabasePlaybackType temp = playback;
+               reply->value = &temp;
+               reply->success = true;
+               reply->completed(reply);
+
+               return;
+       }
+
+       reply->completed(reply);
 }
 
 void DatabaseSink::getRangePropertyAsync(AsyncRangePropertyReply *reply)
@@ -122,7 +445,7 @@ void DatabaseSink::getRangePropertyAsync(AsyncRangePropertyReply *reply)
        ostringstream query;
        query.precision(15);
 
-       query<<"SELECT * from "<<tablename<<" WHERE ";
+       query<<"SELECT * from "<<tablename<<" WHERE key='"<<reply->property<<"' AND";
 
        if(reply->timeBegin && reply->timeEnd)
        {
@@ -136,12 +459,34 @@ void DatabaseSink::getRangePropertyAsync(AsyncRangePropertyReply *reply)
 
        std::vector<std::vector<string>> data = db->select(query.str());
 
+       std::list<AbstractPropertyType*> cleanup;
+
        for(auto i=0;i<data.size();i++)
        {
-               for(auto n=0;n<data[i].size();n++)
-                       cout<<"Data: "<<data[i][n]<<endl;
+               if(data[i].size() != 5)
+                       continue;
+
+               DBObject dbobj;
+               dbobj.key = data[i][0];
+               dbobj.value = data[i][1];
+               dbobj.source = data[i][2];
+               dbobj.time = boost::lexical_cast<double>(data[i][3]);
+               dbobj.sequence = boost::lexical_cast<double>(data[i][4]);
+
+               AbstractPropertyType* property = VehicleProperty::getPropertyTypeForPropertyNameValue(dbobj.key, dbobj.value);
+               if(property)
+               {
+                       property->timestamp = dbobj.time;
+                       property->sequence = dbobj.sequence;
+
+                       reply->values.push_back(property);
+                       cleanup.push_back(property);
+               }
        }
 
+       reply->success = true;
+       reply->completed(reply);
+
        delete db;
 }
 
@@ -149,6 +494,64 @@ AsyncPropertyReply *DatabaseSink::setProperty(AsyncSetPropertyRequest request)
 {
        AsyncPropertyReply* reply = new AsyncPropertyReply(request);
        reply->success = false;
+
+       if(request.property == DatabaseLogging)
+       {
+               if(request.value->value<bool>())
+               {
+                       setPlayback(false);
+                       startDb();
+                       reply->success = true;
+                       DatabaseLoggingType temp(true);
+                       routingEngine->updateProperty(DatabaseLogging,&temp,uuid());
+               }
+               else
+               {
+                       stopDb();
+                       reply->success = true;
+                       DatabaseLoggingType temp(false);
+                       routingEngine->updateProperty(DatabaseLogging,&temp,uuid());
+               }
+       }
+
+       else if(request.property == DatabaseFile)
+       {
+               std::string fname = request.value->toString();
+
+               databaseName = fname;
+
+               DatabaseFileType temp(databaseName);
+
+               routingEngine->updateProperty(DatabaseFile,&temp,uuid());
+
+               reply->success = true;
+       }
+       else if( request.property == DatabasePlayback)
+       {
+               if(request.value->value<bool>())
+               {
+                       setLogging(false);
+                       startPlayback();
+
+                       DatabasePlaybackType temp(playback);
+
+                       routingEngine->updateProperty(DatabasePlayback,&temp,uuid());
+               }
+               else
+               {
+                       if(playbackShared)
+                               playbackShared->stop = true;
+
+                       playback = false;
+
+                       DatabasePlaybackType temp(playback);
+
+                       routingEngine->updateProperty(DatabasePlayback, &temp, uuid());
+               }
+
+               reply->success = true;
+       }
+
        return reply;
 }