public void PivExhaustion()
{
SecurityContext context = SecurityContext.DeriveGroupContext(secret, groupId1, clientId, AlgorithmValues.EdDSA, _clientSign1, null, null);
SecurityContext context2 = SecurityContext.DeriveGroupContext(secret2, groupId2, clientId, AlgorithmValues.EdDSA, _clientSign1, null, null);
for (int i = 0; i < 10; i++)
{
context.Sender.IncrementSequenceNumber();
}
context.Sender.MaxSequenceNumber = 10;
context.OscoreEvents += ClientEventHandler;
CoapClient client = new CoapClient($"coap://localhost:{_serverPort}/abc")
{
OscoreContext = context,
Timeout = 20
};
Response r = client.Get();
Assert.IsTrue(trigger.WaitOne(1000));
Assert.AreEqual(OscoreEvent.EventCode.PivExhaustion, _clientCallbackCode);
_clientEventChoice = 1;
client.Timeout = 1000 * 60;
r = client.Get();
Assert.AreEqual(OscoreEvent.EventCode.UnknownGroupIdentifier, _callbackCode);
}
public void GetUnicastV6()
{
Uri uri;
CoapClient client;
Response response;
IPAddress[] addresses = Dns.GetHostAddresses("localhost");
IPAddress addr = null;
foreach (IPAddress a in addresses)
{
if (a.AddressFamily == AddressFamily.InterNetworkV6)
{
addr = a;
break;
}
}
uri = new Uri($"coap://[{addr}]:{_serverPort}/{UnicastTarget}");
client = new CoapClient(uri);
response = client.Get();
Assert.IsNotNull(response);
Assert.AreEqual(UnicastResponse, response.ResponseText);
}
public void TestMulticastIPv6_Offset()
{
Uri uri;
CoapClient client;
List <Response> responseList = new List <Response>();
AutoResetEvent trigger = new AutoResetEvent(false);
if (!SupportsIPV6())
{
Assert.Inconclusive("System does not support IP v6");
}
uri = new Uri($"coap://[{multicastAddress2}]:{_serverPort + PortJump}/{MulticastTarget}");
client = new CoapClient(uri);
client.UseNONs();
client.GetAsync(r => {
responseList.Add(r);
trigger.Set();
});
Assert.IsTrue(trigger.WaitOne(2 * 1000));
Console.WriteLine($"response count = {responseList.Count}");
Assert.IsTrue(responseList.Count == 1);
foreach (Response r in responseList)
{
Assert.AreEqual(StatusCode.Content, r.StatusCode);
Assert.AreEqual(MulticastResponse, r.ResponseText);
}
}
public void TestMulticastV4_Offset()
{
Uri uri;
CoapClient client;
// Check that multicast returns on multicast
List <Response> responseList = new List <Response>();
AutoResetEvent trigger = new AutoResetEvent(false);
uri = new Uri($"coap://{multicastAddress}:{_serverPort + PortJump}/{MulticastTarget}");
client = new CoapClient(uri);
client.UseNONs();
client.GetAsync(r => {
responseList.Add(r);
trigger.Set();
});
trigger.WaitOne(1000);
Assert.IsTrue(responseList.Count == 1);
foreach (Response r in responseList)
{
Assert.AreEqual(StatusCode.Content, r.StatusCode);
Assert.AreEqual(MulticastResponse, r.ResponseText);
}
}
public async Task TestReceiveMulticastMessagFromMulticastEndpoint()
{
// Arrange
var mockClientEndpoint = new Mock <MockEndpoint> {
CallBase = true
};
var messageReceived = new TaskCompletionSource <bool>();
var expected = new CoapMessage
{
Type = CoapMessageType.NonConfirmable,
Code = CoapMessageCode.Get,
Options = new System.Collections.Generic.List <CoapOption>
{
new Options.ContentFormat(Options.ContentFormatType.ApplicationLinkFormat)
},
Payload = Encoding.UTF8.GetBytes("</.well-known/core>")
};
mockClientEndpoint.Setup(c => c.IsMulticast).Returns(true);
mockClientEndpoint
.Setup(c => c.MockSendAsync(It.IsAny <CoapPacket>(), It.IsAny <CancellationToken>()))
.Returns(Task.CompletedTask);
mockClientEndpoint
.SetupSequence(c => c.MockReceiveAsync(It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(new CoapPacket {
Payload = expected.ToBytes()
}))
.Throws(new CoapEndpointException("Endpoint closed"));
// Ack
using (var client = new CoapClient(mockClientEndpoint.Object))
{
var ct = new CancellationTokenSource(MaxTaskTimeout);
ct.Token.Register(() => messageReceived.TrySetCanceled());
try
{
while (true)
{
var received = await client.ReceiveAsync(ct.Token);
messageReceived.TrySetResult(received.Message?.IsMulticast ?? false);
}
}
catch (CoapEndpointException)
{
Debug.WriteLine($"Caught CoapEndpointException", nameof(TestReceiveMulticastMessagFromMulticastEndpoint));
}
await messageReceived.Task;
}
// Assert
Assert.IsTrue(messageReceived.Task.IsCompleted, "Took too long to receive message");
Assert.IsTrue(messageReceived.Task.Result, "Message is not marked as Multicast");
}
public void CancelReceiveAsync()
{
// Arrange
var endpoint = new CoapUdpEndPoint(IPAddress.Loopback);
var safetyCt = new CancellationTokenSource(MaxTaskTimeout);
var testCt = new CancellationTokenSource(TimeSpan.FromSeconds(1));
Task receiveTask1;
Task receiveTask2;
Task receiveTask3;
// Ack
using (var client = new CoapClient(endpoint))
{
receiveTask1 = client.ReceiveAsync(testCt.Token);
receiveTask2 = client.ReceiveAsync(testCt.Token);
receiveTask3 = client.ReceiveAsync(testCt.Token);
Task.Run(() =>
{
// Assert
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask1, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(OperationCanceledException)} when the CancelationToken was canceled.");
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask2, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(OperationCanceledException)} when the CancelationToken was canceled.");
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask3, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(OperationCanceledException)} when the CancelationToken was canceled.");
}, safetyCt.Token).Wait();
}
Assert.That(testCt.IsCancellationRequested, Is.True, "The test's CancellationToken should have timed out.");
Assert.That(safetyCt.IsCancellationRequested, Is.False, "The test's safety CancellationToken timed out");
}
public void MutiTierTest()
{
CoapClient client = new CoapClient(new Uri($"coap://localhost:{_port}/ps"));
Response resp = client.Get();
Assert.AreEqual(StatusCode.Content, resp.StatusCode);
Assert.AreEqual(MediaType.ApplicationLinkFormat, resp.ContentType);
List <WebLink> links = LinkFormat.Parse(resp.PayloadString).ToList();
Assert.AreEqual(0, links.Count);
resp = client.Post($"<middle>;ct={MediaType.ApplicationLinkFormat}", MediaType.ApplicationLinkFormat);
Assert.AreEqual(StatusCode.Created, resp.StatusCode);
Assert.AreEqual("ps/middle", resp.LocationPath);
client.UriPath = "/ps/middle";
resp = client.Post($"<topic1>;ct={MediaType.TextPlain}", MediaType.ApplicationLinkFormat);
Assert.AreEqual(StatusCode.Created, resp.StatusCode);
Assert.AreEqual("ps/middle/topic1", resp.LocationPath);
resp = client.Post($"<topic2>;ct={MediaType.ApplicationCbor}", MediaType.ApplicationLinkFormat);
Assert.AreEqual(StatusCode.Created, resp.StatusCode);
Assert.AreEqual("ps/middle/topic2", resp.LocationPath);
client.UriPath = "";
resp = client.Get();
Assert.AreEqual(StatusCode.Content, resp.StatusCode);
Assert.AreEqual(MediaType.ApplicationLinkFormat, resp.ContentType);
links = LinkFormat.Parse(resp.PayloadString).ToList();
Assert.AreEqual(3, links.Count);
string[] linkStrings = resp.PayloadString.Split(',');
Assert.Contains("</ps/middle/topic2>;ct=60;obs", linkStrings);
Assert.Contains("</ps/middle/topic1>;ct=0;obs", linkStrings);;
}
public void CancelReceiveAsync()
{
// Arrange
var endpoint = new NonDisposableEndpoint();
var safetyCt = new CancellationTokenSource(MaxTaskTimeout);
var testCt = new CancellationTokenSource(MaxTaskTimeout / 2);
Task receiveTask1;
Task receiveTask2;
Task receiveTask3;
// Ack
using (var client = new CoapClient(endpoint))
{
receiveTask1 = client.ReceiveAsync(testCt.Token);
receiveTask2 = client.ReceiveAsync(testCt.Token);
receiveTask3 = client.ReceiveAsync(testCt.Token);
Task.Run(() =>
{
// Assert
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask1, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(CoapEndpointException)} when {nameof(CoapClient)} was disposed.");
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask2, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(CoapEndpointException)} when {nameof(CoapClient)} was disposed.");
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask3, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(CoapEndpointException)} when {nameof(CoapClient)} was disposed.");
}, safetyCt.Token).Wait();
}
Assert.That(testCt.IsCancellationRequested, Is.True, "The test's CancellationToken should have timed out.");
Assert.That(safetyCt.IsCancellationRequested, Is.False, "The test's safety CancellationToken timed out");
}
public void TestCancelWithNotify()
{
// Check what happens with out of order delivery
Uri uri = new Uri($"coap://localhost:{_serverPort}/{target1}");
CoapClient client = new CoapClient(uri);
AutoResetEvent trigger = new AutoResetEvent(false);
Response nextResponse = null;
int lastObserve = -1;
_expected = "No Content Yet";
CoapObserveRelation obs1 = client.Observe(response => {
nextResponse = response;
trigger.Set();
});
Assert.IsFalse(obs1.Canceled);
Assert.IsTrue(trigger.WaitOne(1000));
Assert.IsTrue(Code.IsSuccess(nextResponse.Code));
Assert.AreEqual(_expected, nextResponse.ResponseText);
Assert.IsTrue(nextResponse.HasOption(OptionType.Observe));
Assert.IsTrue(nextResponse.Observe.HasValue);
int oNumber = nextResponse.Observe.Value;
Assert.IsTrue(oNumber > lastObserve);
lastObserve = oNumber;
_resource.Changed();
Assert.IsTrue(trigger.WaitOne(1000));
Assert.IsTrue(Code.IsSuccess(nextResponse.Code));
Assert.AreEqual(_expected, nextResponse.ResponseText);
Assert.IsTrue(nextResponse.HasOption(OptionType.Observe));
Assert.IsTrue(nextResponse.Observe.HasValue);
oNumber = nextResponse.Observe.Value;
Assert.IsTrue(oNumber > lastObserve);
lastObserve = oNumber;
_resource.Changed();
Assert.IsTrue(trigger.WaitOne(1000));
Assert.IsTrue(Code.IsSuccess(nextResponse.Code));
Assert.AreEqual(_expected, nextResponse.ResponseText);
Assert.IsTrue(nextResponse.HasOption(OptionType.Observe));
Assert.IsTrue(nextResponse.Observe.HasValue);
oNumber = nextResponse.Observe.Value;
Assert.IsTrue(oNumber > lastObserve);
lastObserve = oNumber;
_resource.Canceled(true);
Assert.IsTrue(trigger.WaitOne(1000));
Assert.IsTrue(!Code.IsSuccess(nextResponse.Code));
Assert.AreEqual(null, nextResponse.ResponseText);
Assert.IsFalse(nextResponse.HasOption(OptionType.Observe));
_resource.Changed();
Assert.IsFalse(trigger.WaitOne(1000));
client = null;
}
public void PostTo()
{
CoapClient c = new CoapClient(Program.Host)
{
UriPath = "/.well-known/core",
UriQuery = "ep=node1",
Timeout = 5000,
EndPoint = EndPoints.First()
};
Response r = c.Post(new byte[] { }, MediaType.ApplicationLinkFormat);
if (r == null)
{
Console.WriteLine("No response received");
}
else
{
if (r.StatusCode != StatusCode.Changed)
{
Console.WriteLine("Incorrect response");
}
Console.WriteLine(Utils.ToString(r));
}
}
static void RunTest5_4_1()
{
CoapClient request = new CoapClient(Program.Host + "/oscore/hello/1")
{
Timeout = 2000
};
Response response = request.Post(new byte[] { 0x4a }, MediaType.TextPlain);
if (response == null)
{
Console.WriteLine("Failed to receive response");
return;
}
if (response.StatusCode != StatusCode.Changed)
{
Console.WriteLine($"Content type should be 2.04 not {response.StatusCode}");
}
if (response.PayloadSize != 1 || response.Payload[0] != 0x4a)
{
Console.WriteLine("Payload for the package is wrong - should be 0x4a");
}
Console.WriteLine($"Response Message:\n{Utils.ToString(response)}");
}
public async Task TestClientRequest()
{
// Arrange
var mockClientEndpoint = new Mock <MockEndpoint>()
{
CallBase = true
};
mockClientEndpoint
.Setup(c => c.MockSendAsync(It.IsAny <CoapPacket>(), It.IsAny <CancellationToken>()))
.Returns(Task.CompletedTask);
// Act
using (var client = new CoapClient(mockClientEndpoint.Object))
{
var ct = new CancellationTokenSource(MaxTaskTimeout);
await client.SendAsync(new CoapMessage
{
Type = CoapMessageType.NonConfirmable,
Code = CoapMessageCode.None
}, ct.Token);
}
// Assert
mockClientEndpoint.Verify(cep => cep.SendAsync(It.IsAny <CoapPacket>(), It.IsAny <CancellationToken>()));
}
static void RunTest15(string[] cmds)
{
// Do it as a third party.
CoapClient cl = new CoapClient(Program.Host)
{
UriPath = ResourceLookup,
Timeout = 20 * 1000
};
Response r1 = cl.Get(MediaType.ApplicationLinkFormat);
if (r1 == null)
{
Console.WriteLine("No response message retrieved");
return;
}
if (r1.StatusCode != StatusCode.Content)
{
Console.WriteLine("Incorrect return code");
}
if (r1.StatusCode < StatusCode.BadRequest)
{
if (r1.ContentFormat != MediaType.ApplicationLinkFormat)
{
Console.WriteLine("Incorrect Media Type");
}
}
Console.WriteLine(Utils.ToString(r1));
}
static void RunTest4(string[] cmds)
{
// Do it as a third party.
CoapClient cl = new CoapClient(Program.Host)
{
UriPath = ResourceRegister,
UriQuery = "ep=node2",
Timeout = 20 * 1000
};
Response r1 = cl.Post(
"</temp>;rt=\"temperature\";ct=0," +
"</light>;rt=\"light-lux\";ct=0," +
"</t>;anchor=\"sensors/temp\";rel=\"alternate\"," +
"<http://www.example.com/sensors/t123>;anchor=\"sensors/temp\";rel=\"describedby\"",
MediaType.ApplicationLinkFormat);
if (r1 == null)
{
Console.WriteLine("No response message retrieved");
return;
}
Test4Location = r1.LocationPath;
return;
}
static void ProductCall()
{
// Create a new client
var client = new CoapClient();
// Set the Uri to visit
client.Uri = new Uri("coap://127.0.0.1:5683/products");
// Build the data
MemoryStream stream = new MemoryStream();
// Example product
dynamic product = new JObject();
product.name = "Example Product";
product.price = 120.35;
// Get JSON object from example product
var response = client.Post(product.ToString(), MediaType.ApplicationJson);
Console.WriteLine("Wrote product: {0}", product.ToString());
// Get the response
Console.WriteLine("Response from GET: {0}", response.PayloadString);
Console.ReadLine();
}
public void ServerNewSenderGroup()
{
SecurityContext context = SecurityContext.DeriveGroupContext(secret, groupId1, clientId, AlgorithmValues.EdDSA, _clientSign1,
new byte[][] { serverId, serverId2 }, new OneKey[] { _serverSign1, _serverSign1 });
SecurityContext serverContext = SecurityContext.DeriveGroupContext(secret, groupId1, serverId, AlgorithmValues.EdDSA, _serverSign1,
new byte[][] { clientId2, clientId }, new OneKey[] { _clientSign2, _clientSign1 });
_server.SecurityContexts.Add(serverContext);
serverContext.OscoreEvents += ServerEventHandler;
serverContext.Sender.SequenceNumber = 10;
serverContext.Sender.MaxSequenceNumber = 10;
CoapClient client = new CoapClient($"coap://localhost:{_serverPort}/abc")
{
OscoreContext = context,
Timeout = 60 * 1000
};
_serverEventChoice = 4;
client.Observe(o => { Assert.AreEqual("/abc", o.PayloadString); });
Assert.AreEqual(OscoreEvent.EventCode.PivExhaustion, _callbackCode);
}
/// <summary>
/// ctor
/// </summary>
/// <param name="_cc">existing coap client</param>
/// <param name="loadAutomatically">Load GatewayInfo object automatically (default: true)</param>
public GatewayController(CoapClient _cc, bool loadAutomatically = true)
{
cc = _cc;
if (loadAutomatically)
{
GetGatewayInfo();
}
}
/// <summary>
/// ctor
/// </summary>
/// <param name="coapClient">existing coap client</param>
/// <param name="loadAutomatically">Load GatewayInfo object automatically (default: true)</param>
public GatewayController(CoapClient coapClient, bool loadAutomatically = true)
{
_coapClient = coapClient;
if (loadAutomatically)
{
GetGatewayInfo();
}
}
public async Task Read_BlockWiseCoapMessage_WithExtentionMethod(
[Values(16, 32, 64, 128, 256, 512, 1024)] int blockSize,
[Range(1, 2)] int blocks,
[Values] bool lastHalfblock)
{
// Arrange
int totalBytes = (blocks * blockSize) + (lastHalfblock ? blockSize / 2 : 0);
int totalBlocks = ((totalBytes - 1) / blockSize) + 1;
var baseRequest = new CoapMessage
{
Code = CoapMessageCode.Get,
Type = CoapMessageType.Confirmable,
};
baseRequest.SetUri("/status", UriComponents.Path);
var baseResponse = new CoapMessage
{
Code = CoapMessageCode.Content,
Type = CoapMessageType.Acknowledgement,
};
var helper = new BlockWiseTestHelper
{
BlockSize = blockSize,
TotalBytes = totalBytes
};
var mockClientEndpoint = new Mock <MockBlockwiseEndpoint>(baseResponse, blockSize, totalBytes)
{
CallBase = true
};
helper.AssertReadResponseCorrespondance(mockClientEndpoint, 1)
.AssertInitialRequest(mockClientEndpoint);
byte[] result;
// Act
using (var client = new CoapClient(mockClientEndpoint.Object))
{
var ct = new CancellationTokenSource(MaxTaskTimeout);
client.SetNextMessageId(1);
var identifier = await client.SendAsync(baseRequest, ct.Token);
var response = await client.GetResponseAsync(identifier, ct.Token);
result = response.GetCompletedBlockWisePayload(client, baseRequest);
}
// Assert
Assert.That(result, Is.EqualTo(BlockWiseTestHelper.ByteRange(0, totalBytes)), "Incorrect payload read");
mockClientEndpoint.Verify();
}
private static void CleanAll(string[] cmds)
{
CoapClient c = new CoapClient(Program.Host);
IEnumerable <WebLink> d = c.Discover("rt=core.rd*", MediaType.ApplicationLinkFormat);
string endpointRegister = null;
string endpointLookup = null;
string groupRegister = null;
string groupLookup = null;
string resourceLookup = null;
foreach (WebLink w in d)
{
foreach (string s in w.Attributes.GetResourceTypes())
{
switch (s)
{
case "core.rd":
endpointRegister = w.Uri;
break;
case "core.rd-lookup-res":
resourceLookup = w.Uri;
break;
case "core.rd-group":
groupRegister = w.Uri;
break;
case "core.rd-lookup-gp":
groupLookup = w.Uri;
break;
case "core.rd-lookup-ep":
endpointLookup = w.Uri;
break;
}
}
}
if (groupLookup != null)
{
d = c.Discover(groupLookup, null, MediaType.ApplicationLinkFormat);
foreach (WebLink w in d)
{
c.UriPath = w.Uri;
c.Delete();
}
}
d = c.Discover(endpointLookup, null, MediaType.ApplicationLinkFormat);
foreach (WebLink w in d)
{
c.UriPath = w.Uri;
c.Delete();
}
}
/// <summary>
/// ctor
/// </summary>
/// <param name="_id">group id</param>
/// <param name="_cc">existing coap client</param>
/// <param name="loadAutomatically">Load group object automatically (default: true)</param>
public GroupController(long _id, CoapClient _cc, bool loadAutomatically = true)
{
id = _id;
cc = _cc;
if (loadAutomatically)
{
GetTradFriGroup();
}
}
/// <summary>
/// ctor
/// </summary>
/// <param name="id">group id</param>
/// <param name="coapClent">existing coap client</param>
/// <param name="loadAutomatically">Load group object automatically (default: true)</param>
public GroupController(long id, CoapClient coapClent, bool loadAutomatically = true)
{
this._id = id;
_coapClent = coapClent;
if (loadAutomatically)
{
GetTradfriGroup();
}
}
private static async Task TestGet_ApiCoap()
{
var client = new CoapClient();
client.Uri = new Uri("coap://localhost:5683/helloworld");
var res = client.Get();
Console.WriteLine(res.ResponseText);
}
/// <summary>
/// ctor
/// </summary>
/// <param name="_id">group id</param>
/// <param name="_cc">existing coap client</param>
/// <param name="loadAutomatically">Load group object automatically (default: true)</param>
public SmartTaskController(long _id, CoapClient _cc, bool loadAutomatically = true)
{
id = _id;
cc = _cc;
if (loadAutomatically)
{
GetTradFriSmartTask();
}
}
/// <summary>
/// ctor
/// </summary>
/// <param name="id">group id</param>
/// <param name="coapClient">existing coap client</param>
/// <param name="loadAutomatically">Load group object automatically (default: true)</param>
public SmartTaskController(long id, CoapClient coapClient, bool loadAutomatically = true)
{
this._id = id;
this._coapClient = coapClient;
if (loadAutomatically)
{
GetTradfriSmartTask();
}
}
public void Write_BlockWiseCoapMessage_BlockSizeTooLarge(int initialBlockSize, int reducetoBlockSize, int blocks, bool lastHalfblock)
{
Assume.That(reducetoBlockSize < initialBlockSize, "Ignoring invalid test input");
// Arrange
var totalBytes = (blocks * initialBlockSize) + (lastHalfblock ? initialBlockSize / 2 : 0);
var totalBlocks = ((totalBytes - 1) / reducetoBlockSize) + 1;
var baseRequest = new CoapMessage
{
Code = CoapMessageCode.Post,
Type = CoapMessageType.Confirmable,
};
var baseResponseMessage = new CoapMessage
{
Code = CoapMessageCode.Continue,
Type = CoapMessageType.Acknowledgement,
};
var helper = new BlockWiseTestHelper
{
BlockSize = reducetoBlockSize,
TotalBytes = totalBytes,
};
var mockClientEndpoint = new Mock <MockBlockwiseEndpoint>(baseRequest, reducetoBlockSize, totalBytes)
{
CallBase = true
};
mockClientEndpoint.Object.Mode = MockBlockwiseEndpointMode.RequestTooLarge;
helper.AssertLargeBlockSizeGetsSent(mockClientEndpoint, initialBlockSize, reducetoBlockSize)
.AssertWriteRequestCorrespondance(mockClientEndpoint);
// Act
using (var client = new CoapClient(mockClientEndpoint.Object))
{
var ct = new CancellationTokenSource(MaxTaskTimeout);
client.SetNextMessageId(1);
using (var writer = new CoapBlockStreamWriter(client, baseRequest)
{
BlockSize = initialBlockSize
})
{
writer.Write(BlockWiseTestHelper.ByteRange(0, totalBytes), 0, totalBytes);
writer.Flush();
};
}
// Assert
mockClientEndpoint.Verify();
}
// Use Security Context A
static void RunTest3()
{
CoapClient request = new CoapClient(Program.Host + "/oscore/hello/2?first=1")
{
Timeout = 2000,
OscoreContext = _oscoreContext
};
Response response = request.Get();
if (response == null)
{
Console.WriteLine("Failed to receive response");
return;
}
if (response.StatusCode != StatusCode.Content)
{
Console.WriteLine("Content type should be 2.05 not ${response.StatusCode}");
}
if (response.HasOption(OptionType.ContentType))
{
if (response.ContentType != MediaType.TextPlain)
{
Console.WriteLine($"Content type is set to {response.ContentType} and not 0");
}
}
else
{
Console.WriteLine("Content Type is missing");
}
if (response.HasOption(OptionType.ETag))
{
if (response.ETags.Count() != 1)
{
Console.WriteLine("Number of ETags is incorrect");
}
if (!response.ContainsETag(new byte[] { 0x2b }))
{
Console.WriteLine("Missing ETag = 0x2b");
}
}
else
{
Console.WriteLine("ETag is missing");
}
if (!response.PayloadString.Equals("Hello World!"))
{
Console.WriteLine("Content value is wrong");
}
Console.WriteLine($"Response Message:\n{Utils.ToString(response)}");
}
static async Task ReceiveAsync(CoapClient client, CancellationToken token)
{
while (!token.IsCancellationRequested)
{
// Wait indefinitely until any message is received.
var response = await client.ReceiveAsync(token);
Console.WriteLine($"Received a response from {response.Endpoint}\n{Encoding.UTF8.GetString(response.Message.Payload)}");
}
}
public void Ocoap_Get()
{
CoapClient client = new CoapClient($"coap://localhost:{_serverPort}/abc")
{
OscoreContext = SecurityContext.DeriveContext(_Secret, null, _ClientId, _ServerId)
};
Response r = client.Get();
Assert.AreEqual("/abc", r.PayloadString);
}
static async Task Main(string[] args)
{
var host = "localhost";
var port = Coap.PortDTLS;
var identity = new BasicTlsPskIdentity("user", Encoding.UTF8.GetBytes("password"));
// Create a new client using a DTLS endpoint with the remote host and Identity
var client = new CoapClient(new CoapDtlsClientEndPoint(host, port, new ExamplePskDtlsClient(identity)));
// Create a cancelation token that cancels after 1 minute
var cancellationTokenSource = new CancellationTokenSource(TimeSpan.FromMinutes(1));
// Capture the Control + C event
Console.CancelKeyPress += (s, e) =>
{
Console.WriteLine("Exiting");
cancellationTokenSource.Cancel();
// Prevent the Main task from being destroyed prematurely.
e.Cancel = true;
};
Console.WriteLine("Press <Ctrl>+C to exit");
try
{
// Create a simple GET request
var message = new CoapMessage
{
Code = CoapMessageCode.Get,
Type = CoapMessageType.Confirmable,
};
// Get the /hello resource from localhost.
message.SetUri($"coaps://{host}:{port}/hello");
Console.WriteLine($"Sending a {message.Code} {message.GetUri().GetComponents(UriComponents.PathAndQuery, UriFormat.Unescaped)} request");
await client.SendAsync(message, cancellationTokenSource.Token);
// Wait for the server to respond.
var response = await client.ReceiveAsync(cancellationTokenSource.Token);
// Output our response
Console.WriteLine($"Received a response from {response.Endpoint}\n{Encoding.UTF8.GetString(response.Message.Payload)}");
}
catch (Exception ex)
{
Console.WriteLine($"Exception caught: {ex}");
}
finally
{
Console.WriteLine($"Press <Enter> to exit");
Console.Read();
}
}