added InfluxDB Class for pushing data to influxDB 1.8

DAQ/Makefile

@@ -11,7 +11,7 @@ CAENLIBS	=	-lCAENDigitizer
 
 ROOTLIBS = `root-config --cflags --glibs`
 
-OBJS = startStopDialog.o programSetting.o triggerSummary.o registerSetting.o channelSettingPSD.o channelSettingPHA.o boardSetting.o ClassDigitizer.o FSUDAQ.o
+OBJS = influxdb.o startStopDialog.o programSetting.o triggerSummary.o registerSetting.o channelSettingPSD.o channelSettingPHA.o boardSetting.o ClassDigitizer.o FSUDAQ.o
 
 #########################################################################
 
@@ -23,9 +23,9 @@ clean	:
 ClassDigitizer.o : ClassDigitizer.cpp ClassDigitizer.h RegisterAddress.h macro.h ClassData.h
 		$(CC) $(COPTS) -c ClassDigitizer.cpp
 
-../test	:	test.cpp ClassDigitizer.o
+../test	:	test.cpp ClassDigitizer.o influxdb.o
 		@echo "--------- making test"
-		$(CC) $(COPTS) -o ../test test.cpp ClassDigitizer.o  $(CAENLIBS)  $(ROOTLIBS)
+		$(CC) $(COPTS) -o ../test test.cpp ClassDigitizer.o  influxdb.o $(CAENLIBS)  $(ROOTLIBS) -lcurl
 
 ../Analysis/EventBuilder	:	EventBuilder.cpp ClassData.h
 		@echo "--------- making EventBuilder"
@@ -37,7 +37,7 @@ ClassDigitizer.o : ClassDigitizer.cpp ClassDigitizer.h RegisterAddress.h macro.h
 
 ../FSUDAQ : FSUDAQDict.cxx $(OBJS) ClassData.h
 		@echo "----------- creating FSUDAQ"
-		$(CC) $(COPTS) FSUDAQDict.cxx $(OBJS) -o ../FSUDAQ $(CAENLIBS) $(ROOTLIBS)
+		$(CC) $(COPTS) FSUDAQDict.cxx $(OBJS) -o ../FSUDAQ $(CAENLIBS) $(ROOTLIBS) -lcurl
 		@ln -s -f DAQ/FSUDAQDict_rdict.pcm ../.
 
 FSUDAQDict.cxx : FSUDAQ.h FSUDAQLinkDef.h
@@ -64,6 +64,10 @@ registerSetting.o : registerSetting.h registerSetting.cpp
 		@echo "----------- creating registerSetting.o"
 		$(CC) $(COPTS) -c registerSetting.cpp $(ROOTLIBS)
 		
+influxdb.o : influxdb.h influxdb.cpp
+		@echo "----------- creating influxdb.o"
+		$(CC) $(COPTS) -c influxdb.cpp -lcurl
+
 triggerSummary.o : triggerSummary.h triggerSummary.cpp
 		@echo "----------- creating triggerSummary.o"
 		$(CC) $(COPTS) -c triggerSummary.cpp $(ROOTLIBS)

DAQ/influxdb.cpp

@@ -0,0 +1,102 @@
+#include "influxdb.h"
+
+
+InfluxDB::InfluxDB(std::string url, bool verbose){
+
+  curl = curl_easy_init();  
+  if( verbose) curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
+  this->databaseIP  = url;
+  respondCode = 0;
+  dataPoints = "";
+}
+
+InfluxDB::~InfluxDB(){
+  
+  curl_easy_cleanup(curl);
+}
+
+
+std::string InfluxDB::ShowDatabases(){
+  curl_easy_setopt(curl, CURLOPT_POST, 1);
+  
+  curl_easy_setopt(curl, CURLOPT_URL, (databaseIP   + "/query").c_str());
+  
+  std::string postFields="q=Show databases";
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, static_cast<long>(postFields.length()));
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postFields.c_str());
+  
+  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallBack);
+  std::string readBuffer;
+  curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
+  
+  Execute();
+  
+  printf("|%s|\n", readBuffer.c_str());
+  
+  return readBuffer;
+}
+
+std::string InfluxDB::Query(std::string databaseName, std::string query){
+  
+  curl_easy_setopt(curl, CURLOPT_POST, 1);
+
+  curl_easy_setopt(curl, CURLOPT_URL, (databaseIP   + "/query?db=" + databaseName).c_str());
+
+  std::string postFields = "q=" + query;
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, static_cast<long>(postFields.length()));
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postFields.c_str());
+
+  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallBack);
+  std::string readBuffer;
+  curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
+  
+  Execute();
+  
+  printf("|%s|\n", readBuffer.c_str());
+  
+  return readBuffer;
+}
+
+void InfluxDB::CreateDatabase(std::string databaseName){
+  curl_easy_setopt(curl, CURLOPT_URL, (databaseIP + "/query").c_str());
+  curl_easy_setopt(curl, CURLOPT_POST, 1);
+  
+  std::string postFields = "q=CREATE DATABASE " + databaseName;
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, static_cast<long>(postFields.length()));
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postFields.c_str());
+  
+  Execute();
+}
+
+void InfluxDB::AddDataPoint(std::string fullString){
+  dataPoints += fullString + "\n";
+}
+
+void InfluxDB::ClearDataPoints(){
+  dataPoints = "";
+}
+
+void InfluxDB::PrintDataPoints(){
+  printf("%s\n", dataPoints.c_str());
+}
+
+void InfluxDB::WriteData(std::string databaseName){
+  curl_easy_setopt(curl, CURLOPT_URL, (databaseIP + "write?db=" + databaseName).c_str());
+  curl_easy_setopt(curl, CURLOPT_POST, 1);
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, static_cast<long>(dataPoints.length()));
+  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, dataPoints.c_str());
+  Execute();
+}
+
+
+void InfluxDB::Execute(){
+  respond = curl_easy_perform(curl);
+  curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &respondCode);
+  printf("==== respond code %ld \n", respondCode);
+  if( respond != CURLE_OK) printf("############# fail\n");
+}
+
+size_t InfluxDB::WriteCallBack(char *contents, size_t size, size_t nmemb, void *userp){
+    ((std::string*)userp)->append((char*)contents, size * nmemb);
+    return size * nmemb;
+}

DAQ/influxdb.h

@@ -0,0 +1,44 @@
+#ifndef INFLUXDB_H
+#define INFLUXDB_H
+
+#include <stdio.h>
+#include <iostream>
+#include <string>
+#include <curl/curl.h>
+
+class InfluxDB{
+  private:
+    
+    CURL * curl;
+    CURLcode respond;
+    long respondCode;
+
+    std::string databaseIP;
+    std::string dataPoints;
+    
+    static size_t WriteCallBack(char *contents, size_t size, size_t nmemb, void *userp);
+  
+    void Execute();
+  
+  public:
+    /// url = https://fsunuc.physics.fsu.edu/InfluxDB/
+    InfluxDB(std::string url, bool verbose = false);
+    ~InfluxDB();
+
+    /// Query
+    std::string ShowDatabases(); 
+    std::string Query(std::string databaseName, std::string query);
+
+    void CreateDatabase(std::string databaseName);
+    
+    /// for single or batch write, 
+    /// 1, addDataPoint first, you can add as many as you like
+    /// 2, writeData.
+    void AddDataPoint(std::string fullString);
+    void ClearDataPoints();
+    void PrintDataPoints();
+    void WriteData(std::string databaseName);
+
+};
+
+#endif

DAQ/test.cpp

@@ -2,6 +2,8 @@
 #include "ClassData.h"
 #include "ClassDigitizer.h"
 
+#include "influxdb.h"
+
 #include "TROOT.h"
 #include "TSystem.h"
 #include "TApplication.h"
@@ -72,7 +74,19 @@ int getch(void){
 
 int main(int argc, char* argv[]){
   
+  InfluxDB influx("https://fsunuc.physics.fsu.edu/influx/", false);
+  
+  //influx.ShowDatabases();
+  
+  //influx.Query("testing", "Show measurements");
+  
+  influx.AddDataPoint("Rate,Bd=0,Ch=0 value=10");
+  influx.AddDataPoint("Rate,Bd=0,Ch=7 value=20");
+  influx.AddDataPoint("Rate,Bd=0,Ch=15 value=30");
+  influx.WriteData("testing");
   /**////##################### Demo for loading and change setting without open a digitizer
+  
+  /**
   Digitizer * dig = new Digitizer();
   dig->OpenDigitizer(0, 1, false, true);
   dig->LoadSettingBinaryToMemory("expDir/settings/setting_323.bin");