$.ajax({
    type: "POST",
    url: "http://localhost:54025/Api.asmx/Login",
    contentType: "application/json; charset=utf-8",
    dataType: "json",
    xhrFields: { withCredentials: true },
    crossDomain: true,
    data: "{ 'userName':'" + userName + "','password':'" + password + "' }",
    success: ReceivedLoginResponse,
    error: function (jqXHR, textStatus, errorThrown) {
        console.error("jqXHR: %s rntextStatus: %s rnerrorThrown:%s", jqXHR.responseText, textStatus, errorThrown);
    }
});



var nowDate = new Date();

var currentStartDate = new Date(nowDate.getFullYear(), nowDate.getMonth(), 1);
var currentEndDate = new Date(nowDate.getFullYear(), nowDate.getMonth(), nowDate.getDate());

$.ajax({
    type: "POST",
    url: "http://localhost:54025/Api.asmx/GetMeasurePointConsumption",
    contentType: "application/json; charset=utf-8",
    dataType: "json",
    xhrFields: { withCredentials: true },
    crossDomain: true,
    data: "{ 'measurePointId':" + measurePointId + ", 'startDate':'" + currentStartDate.toJSON() + "','endDate':'" + currentEndDate.toJSON() + "', 'dataType': 'Day' }",
    success: ReceivedMeasurePointConsumptionResponse,
    error: function (jqXHR, textStatus, errorThrown) {
    }
});

syntax = "proto3";
package api;

import "google/api/annotations.proto";

service Authentication {
  // This rpc is used to check a valid user from other applications.
  rpc Login(LoginRequest) returns (LoginResponse) {
    option (google.api.http) = {
      post : "/Api.asmx/Login"
      body : "*"
    };
    option (google.api.cors) = {
      enable: true
    };
  }
}

message LoginRequest {
  string userName = 1;
  string password = 2;
}

message LoginResponse {
  ???? cookie ???
}