///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2018 Ericsson Telecom AB
//
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v2.0
// which accompanies this distribution, and is available at
// https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
///////////////////////////////////////////////////////////////////////////////
//  File:               InfluxDB_Functions.ttcn
//  Description:
//  Rev:                R1A
//  Prodnr:             LPA 108 661
//  Updated:            2017-09-01
//  Contact:            http://ttcn.ericsson.se
///////////////////////////////////////////////////////////////////////////////
module InfluxDB_Functions {

	import from InfluxDB_Definitions all;
	import from IPL4asp_Types all;
	import from IPL4asp_PortType all;

	function f_InfluxDB_init() runs on InfluxDB_CT
	{
		log(%definitionId, " started");
		var Result vl_result;

		log("Mapping started");
		map(self:INFLUXDB_PCO,system:INFLUXDB_PCO);

		log("InfluxDB context: ", v_InfluxDB_ctx);

		log("Setting up the listening socket");
		vl_result := f_IPL4_listen(
			INFLUXDB_PCO,
			v_InfluxDB_ctx.localHost,
			v_InfluxDB_ctx.localPort, {udp := {}},
			{{reuseAddress := {enable := true}}}
		);
		v_InfluxDB_ctx.connId_listen := vl_result.connId;

		log("Connecting the socket to the remote");
		vl_result := f_IPL4_connect(
			INFLUXDB_PCO,
			v_InfluxDB_ctx.remoteHost,
			v_InfluxDB_ctx.remotePort,
			v_InfluxDB_ctx.localHost,
			v_InfluxDB_ctx.localPort,
			-1,	{udp := {}}, {{reuseAddress := {enable := true}}}
		);
		v_InfluxDB_ctx.connId := vl_result.connId;
		log(%definitionId, " finished");
	}

	function f_InfluxDB_send(in InfluxLineProtocol p_data) runs on InfluxDB_CT
	{
	  	f_InfluxDB_encode(p_data, v_InfluxDB_msgToSend_encoded);

		v_InfluxDB_sendAsp.connId := v_InfluxDB_ctx.connId;
		v_InfluxDB_sendAsp.remName := v_InfluxDB_ctx.remoteHost;
		v_InfluxDB_sendAsp.remPort := v_InfluxDB_ctx.remotePort;
		v_InfluxDB_sendAsp.proto := {udp := {}}

		v_InfluxDB_sendAsp.msg := char2oct(v_InfluxDB_msgToSend_encoded);

		log("Influx: ", v_InfluxDB_msgToSend);
		INFLUXDB_PCO.send(v_InfluxDB_sendAsp);
	}

	function f_InfluxDB_encode(in InfluxLineProtocol p_prot, out charstring p_encoded)
	{
	  action("influx encoding: ", p_prot);
	  p_encoded := p_prot.measurement;

	  if (sizeof(p_prot.tagSet)>0) { p_encoded := p_encoded & "," }

	  for (var integer i:=0; i<sizeof(p_prot.tagSet); i:=i+1)
	  {
	    p_encoded := p_encoded & "," & p_prot.tagSet[i].name & "=" & p_prot.tagSet[i].val;
	  }
	  p_encoded := p_encoded & " "
  	  for (var integer i:=0; i<sizeof(p_prot.fieldSet); i:=i+1)
	  {
	    p_encoded := p_encoded & p_prot.fieldSet[i].name & "=" & p_prot.fieldSet[i].val;
	    if (i!=sizeof(p_prot.fieldSet)-1) { p_encoded := p_encoded & "," }
	  }
	  action("influx encoded: ", p_encoded);
	}

	function f_InfluxDB_addTag(inout InfluxLineProtocol p_pdu, in InfluxAttrValue p_tag)
	{
	  p_pdu.tagSet[sizeof(p_pdu.tagSet)] := p_tag;
	}

	function f_InfluxDB_addField(inout InfluxLineProtocol p_pdu, in InfluxAttrValue p_field)
	{
	  p_pdu.fieldSet[sizeof(p_pdu.fieldSet)] := p_field;
	}
}