EonaCat.ServiceMonitor 1.1.4

EonaCat.ServiceMonitor

EonaCat Service Monitor + Slack Client

Service Monitor

The service monitor has a StatusChecker with the following functionality:

• Initiate pings via the ICMP protocol.
• Monitor ports via the TCP protocol.
• Monitor ports via the UDP protocol.
• Monitor ports via the WEB protocol. (Port 80 / 443)

Creating the StatusChecker

There is no need to create the StatusChecker. Just call the CheckHostAsync method on the class itself:

The CheckHostAsync method need to have the following parameters:

1. Address.
2. Port.
3. Protocol to monitor.
4. Timeout In miliseconds. (optional) (default: 5000)

To monitor a port using the StatusChecker the following code can be used:

using static EonaCat.ServiceMonitor.StatusChecker;
var result = await StatusChecker.CheckHostAsync("https://EonaCat.com", 80, MONITOR_PROTOCOL.WEB);

As a result you would get a ServiceStatus object containing the following properties:

• Host.
• Exception. (empty when no exception occurred)
• Port.
• ErrorMessage (empty if no errorMessage was received)
• CertificateInformation. (If using the WEB protocol information about the certificate for the website is given)
• IP. (ipAddress of the server)
• LastUpdated. (last status check update)

Certificate information

The certificate information class contains the following properties:

• Exception. (null when no exception occurred during the check)
• DaysRemaining (the days remaining before the certificate expires)
• HasException (set to true when an exception occurred)
• DistinguisedName (The name of the certificate)
• ExpirationDate (The date when the certificate will expire as a DateTime object)
• ExpirationDateAsString (The date when the certificate will expire as a string)
• IssuerName (The issuerName of the certificate)
• PublicKey (the publicKey used for the certificate)

Slack Client

The slack client can be used to post messages via JSON Payloads to the Slack Chat Client.

Creating the slack client:

First the slack client needs to be instantiated with a URL containing the access token for the Slack platform. This can be done using the following code:

const string ACCESS_TOKEN = $"MY_PRIVATE_ACCESS_TOKEN";
const string SLACK_URL = $"https://slack.com/{ACCESS_TOKEN}";

SlackClient slackClient = new SlackClient(SLACK_URL);

Creating and posting the payload:

To create the payload for the slack client the following code can be used:

Payload payload = new Payload();
payload.Channel = "EonaCat";
payload.Text = "Hello NuGet users";
payload.Icon = "pizza";
payload.Username = "C# information bot";

Then it's just a matter of posting the payload:

slackClient.PostMessage(payload);