Getting errors building DoTestHttps()

TinyCLR OS
1

I am trying build the sample code from TLS.

I did add the nuget package GHIElectronics.TinyCLR.Networking.Http. The package shows up in the references.
I added this line at the top:

using GHIElectronics.TinyCLR.Networking.Http;

However I am getting build error like below.

|Error|CS0234|The type or namespace name 'Http' does not exist in the namespace 'GHIElectronics.TinyCLR.Networking' (are you missing an assembly reference?)|TinyCLRApplication|C:\Users\purel\source\repos\hololite\TinyCLR\apps\TinyCLRApplication\HttpsTest.cs|8|Active|

For some reasons, it does not recognize the GHIElectronics.TinyCLR.Networking.Http namespace.

Here is the complete code:
using System.Diagnostics;
using GHIElectronics.TinyCLR.Devices.Network;
using GHIElectronics.TinyCLR.Pins;
using GHIElectronics.TinyCLR.Networking;
using GHIElectronics.TinyCLR.Networking.Http;

namespace TinyCLRApplication1 {

    class HttpTest {

        static void DoTestHttps()
        {
            var url = "https://www.google.com";

            var certificates = Resources.GetBytes(Properties.Resources.BinaryResources.GlobalSign);

            X509Certificate[] certx509 = new X509Certificate[] { new X509Certificate(certificates) };

            int read = 0, total = 0;
            byte[] result = new byte[512];

            try
            {
                using (var req = HttpWebRequest.Create(url) as HttpWebRequest)
                {
                    req.KeepAlive = false;
                    req.HttpsAuthentCerts = certx509;
                    req.ReadWriteTimeout = 2000;

                    using (var res = req.GetResponse() as HttpWebResponse)
                    {
                        using (var stream = res.GetResponseStream())
                        {
                            do
                            {
                                read = stream.Read(result, 0, result.Length);
                                total += read;

                                System.Diagnostics.Debug.WriteLine("read : " + read);
                                System.Diagnostics.Debug.WriteLine("total : " + total);

                                var page = new String(System.Text.Encoding.UTF8.
                                    GetChars(result, 0, read));

                                System.Diagnostics.Debug.WriteLine("Response : " + page);
                            }

                            while (read != 0);
                        }
                    }
                }
            }

            catch { }
        }
    }
}
2

The assembly GHIElectronics.TinyCLR.Networking.Http provides System.Net namespace. So you should be Using System.Net and not the TinyCLR.Networking ones.

Something like this :

using System.Net;
using System.Security.Cryptography.X509Certificates;

This does compile without error.
I don’t have certificates handy so I can’t get further, though.

1 Like
3

Ok will give it a try. I should have looked at the source code of this assembly. Thanks!

4

HttpWebRequest or WebRequest need System.Net.

Just add

using System.Net;
1 Like
5

Now getting errors on Resources and Properties types.

var certificates = Resources.GetBytes(Properties.Resources.BinaryResources.GlobalSign);

Are these types in the class library? What is the namespace?
I understand I need to download the cert and stick it somewhere in the assembly’s resources.

Thanks

6
  • you have to add resource certificate to your project.
  • Save it.
  • Point to that error, right click and select “Quick Action and Refactoring…”, select :
using your_project.Properties;
7

I added the cer file into the project’s resources.

‘Quick Action and Refactoring’ gives me 3 options to fix it: system.resource, generate var, or generate type. Which one should I choose?

error
error3188×1384 218 KB

8

Add this one on top

using TinyCLRApplication1.Properties;

Or move mouse to Resources.GetByte(…)

9

It does not recognize ‘Properties’. Here is the snapshot.

error2
error22352×1565 226 KB

10

You can’t just add your resource to Resource folder, below is common way:

image
image1438×645 33 KB

You have to save all (not just save).

11

would this shelp?

http://docs.ghielectronics.com/software/tinyclr/tutorials/resources.html

12

I added it via the VS add resource menu. VS copied the res file into the folder for me.

13

Great, this looks very useful. Looking into it now. Thanks.

14

Turned out I was doing the same step as Resources for adding the file resource.

Still getting the errors.

15

I see you have Resource1 and Resource2. Try with these.

Or better, do it from a new project.

16

I agree. Start a new project if this is new to you.

17

Started a new project. Replaced ‘Resources’ with ‘Resource1’.
Now it solved the Resource issue but still getting errors on ‘Properties’.

error3
error32643×1685 247 KB

18

“Properties” come from your project, here is HttpsTest.

Full will be: HttpsTest.Properties.Resource1.BinaryResources.GlobalSign);

19

I have the following:

certificates = Resource1.GetBytes(HttpsTest.Properties.Resources.BinaryResources.GlobalSign);

But still getting error below:

|Error|CS0234|The type or namespace name 'Properties' does not exist in the namespace 'HttpsTest' (are you missing an assembly reference?)|HttpsTest|C:\Users\purel\source\repos\hololite\TinyCLR\apps\HttpsTest\Program.cs|19|Active|

20

This is the correct one:

var certificates = Resource1.GetBytes(Resource1.BinaryResources.global);

Thanks guys for the help.
I suggest the fix is updated on the sample codes.