Fix PingItems being saved correctly after AddHost

ISPChk/Controllers/HostController.cs

@@ -43,12 +43,27 @@ namespace ISPChk.Controllers
             return host;
         }
 
+        // GET: api/Host/5
+        [HttpGet("{id}/pings/{start}/{end?}")]
+        public async Task<ActionResult<Host>> GetPingsByTimeSpan(long id, long start, long end)
+        {
+            System.Diagnostics.Debug.WriteLine("called");
+            var host = await _context.Hosts.FindAsync(id);
+
+            if (host == null)
+            {
+                return NotFound();
+            }
+
+            return host;
+        }
+
         // PUT: api/Host/5
         // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
         [HttpPut("{id}")]
         public async Task<IActionResult> PutHost(long id, Host host)
         {
-            if (id != host.Id)
+            if (id != host.HostId)
             {
                 return BadRequest();
             }
@@ -84,7 +99,7 @@ namespace ISPChk.Controllers
 
             _networkTest.AddHost(host);
 
-            return CreatedAtAction("GetHost", new { id = host.Id }, host);
+            return CreatedAtAction("GetHost", new { id = host.HostId }, host);
         }
 
         // DELETE: api/Host/5
@@ -105,7 +120,7 @@ namespace ISPChk.Controllers
 
         private bool HostExists(long id)
         {
-            return _context.Hosts.Any(e => e.Id == id);
+            return _context.Hosts.Any(e => e.HostId == id);
         }
     }
 }

ISPChk/Models/Host.cs

@@ -7,8 +7,10 @@ namespace ISPChk.Models
 {
     public class Host
     {
-        public long Id { get; set; }
+        public long HostId { get; set; }
         public string Name { get; set; }
         public string HostName { get; set; }
+
+        public List<PingItem> PingItems { get; set; }
     }
 }

ISPChk/Models/ISPChkContext.cs

@@ -14,6 +14,5 @@ namespace ISPChk.Models
         }
 
         public DbSet<Host> Hosts { get; set; }
-        public DbSet<PingItem> PingItems { get; set; }
     }
 }

ISPChk/Models/PingItem.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Threading.Tasks;
 
@@ -7,11 +8,13 @@ namespace ISPChk.Models
 {
     public class PingItem
     {
-        public long Id { get; set; }
+        [Key]
-        public long HostId { get; set; }
+        public long PingId { get; set; }
         public DateTime Date { get; set; }
         public float Min { get; set; }
         public float Max { get; set; }
         public float Avg { get; set; }
+        public long HostId { get; set; }
+        public Host Host { get; set; }
     }
 }

ISPChk/NetworkTest.cs

@@ -19,17 +19,27 @@ namespace ISPChk
             optionsBuilder.UseSqlite("Data Source=ispchk.db");
             _context = new ISPChkContext(optionsBuilder.Options);
             System.Diagnostics.Debug.WriteLine("NetworkTest instantiated.");
+            _context.Database.EnsureCreated();
+        }
+
+        public async void LoadHostsFromDatabase()
+        {
+            List<Host> hosts = await _context.Hosts.Include(host => host.PingItems).ToListAsync();
+            foreach (Host host in hosts)
+            {
+                AddHost(host);
+            }
         }
 
         public void AddHost(Host host)
         {
             System.Diagnostics.Debug.WriteLine("Host added!");
-            var t = Task.Run(() => {
+            var t = Task.Run(async () => {
                 
                 Ping pingSender = new Ping();
 
                 // Create a buffer of 32 bytes of data to be transmitted.
-                string data = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
+                string data = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
                 byte[] buffer = Encoding.ASCII.GetBytes(data);
 
                 // Wait 10 seconds for a reply.
@@ -44,15 +54,31 @@ namespace ISPChk
                 System.Diagnostics.Debug.WriteLine("Pinging " + host.Name);
 
                 while (true)
+                {
+                    long min = timeout+1;
+                    long max = 0;
+                    long avg = 0;
+                    int successes = 0;
+                    for(var i=0;i<5;++i)
                     {
                         // Send the request.
                         PingReply reply = pingSender.Send(host.HostName, timeout, buffer, options);
 
                         if (reply.Status == IPStatus.Success)
                         {
-                        System.Diagnostics.Debug.WriteLine("Reply from "+reply.Address.ToString()+
+                            successes++;
-                            ": bytes="+reply.Buffer.Length+
+                            System.Diagnostics.Debug.WriteLine("Reply from " + reply.Address.ToString() +
-                            " time="+ reply.RoundtripTime+"ms");
+                                ": bytes=" + reply.Buffer.Length +
+                                " time=" + reply.RoundtripTime + "ms");
+                            avg += reply.RoundtripTime;
+                            if(reply.RoundtripTime < min)
+                            {
+                                min = reply.RoundtripTime;
+                            }
+                            if(reply.RoundtripTime > max)
+                            {
+                                max = reply.RoundtripTime;
+                            }
                             //System.Diagnostics.Debug.WriteLine("Time to live: {0}", reply.Options.Ttl);
                             //System.Diagnostics.Debug.WriteLine("Don't fragment: {0}", reply.Options.DontFragment);
         }
@@ -60,7 +86,16 @@ namespace ISPChk
                         {
                             System.Diagnostics.Debug.WriteLine(reply.Status);
                         }
-                    Thread.Sleep(1000);
+                        Thread.Sleep(500);
+                    }
+                    avg = avg / successes;
+                    System.Diagnostics.Debug.WriteLine("min:" + min + " max:" + max + " avg:" + avg);
+                    PingItem pi = new PingItem { Date = DateTime.UtcNow, Min = min, Max = max, Avg = avg };
+                    if(host.PingItems == null)
+                        host = _context.Hosts.Include(host => host.PingItems).Where(h => h.HostId == host.HostId).Single();
+                    host.PingItems.Add(pi);
+                    _context.SaveChanges();
+                    Thread.Sleep(5000);
                 }
             });
         }

ISPChk/Startup.cs

@@ -31,6 +31,7 @@ namespace ISPChk
                                                opt.UseSqlite("Data Source=ispchk.db"));
             services.AddControllers();
             var networkTest = new NetworkTest();
+            networkTest.LoadHostsFromDatabase();
             services.AddSingleton<INetworkTest>(networkTest);
             services.AddSwaggerGen(c =>
             {

ISPChk/wwwroot/index.html

@@ -10,7 +10,7 @@
     <div class="container">
         <div class="row">
             <div class="col-sm">
-                One of three columns
+                <button id="btnDebug">DEBUG</button>
             </div>
             <div class="col-sm">
                 Hosts

ISPChk/wwwroot/ispchk.js

@@ -9,9 +9,9 @@ function createHost(host) {
     });
 }
 
-function deleteHost(id) {
+function deleteHost(hostId) {
     $.ajax({
-        url: "/api/host/"+id,
+        url: "/api/host/"+hostId,
         type: "DELETE"
     }).then(() => {
         console.log("DELETED");
@@ -26,16 +26,23 @@ function fetchHosts() {
         console.log("Got hosts: ", res);
         for (let host of res) {
             var row = $("<tr>",).appendTo(tbody);
-            $("<td>").text(host.id).appendTo(row);
+            $("<td>").text(host.hostId).appendTo(row);
             $("<td>").text(host.name).appendTo(row);
             $("<td>").text(host.hostName).appendTo(row);
             $("<td>").text("Delete").click(() => {
-                deleteHost(host.id);
+                deleteHost(host.hostId);
                 }).appendTo(row);
         }
     });
 }
 
+$('#btnDebug').click(function () {
+    console.log("DEBUG");
+    $.getJSON("/api/host/" + id + "/pings/" + Date.now + "/" + Date.now).then((res) => {
+        console.log("CALLED: res ", res);
+    });
+});
+
 $('#btnHostAdd').click(function () {
     var name = $("#inpNameAdd").val();
     var hostname = $("#inpHostNameAdd").val();