Add support for a configurable HTTP timeout

src/Typesafe.Mailgun/Http/MailgunHttpRequest.cs

@@ -12,10 +12,11 @@ internal class MailgunHttpRequest
 
 		private readonly HttpWebRequest request;
 
-		public MailgunHttpRequest(IMailgunAccountInfo accountInfo, string method, string relativePath)
+		public MailgunHttpRequest(IMailgunAccountInfo accountInfo, string method, string relativePath, int timeout = 100000)
 		{
 			request = (HttpWebRequest)WebRequest.Create(new Uri(accountInfo.DomainBaseUrl, relativePath));
 			request.Method = method;
+			request.Timeout = timeout;
 
 			// Note: ensure no preceding 401, request.PreAuthenticate does not work as you might expect
 			request.Headers.Add("Authorization", "basic " + Convert.ToBase64String(Encoding.ASCII.GetBytes($"api:{accountInfo.ApiKey}")));

src/Typesafe.Mailgun/MailgunClient.cs

@@ -20,13 +20,25 @@ public MailgunClient(string domain, string apiKey, int version)
 			ApiKey = apiKey;
 		}
 
+		/// <summary>
+		/// Initializes a new client for the specified domain and api key with a timeout.
+		/// </summary>
+		public MailgunClient(string domain, string apiKey, int version, int timeout)
+		{
+			DomainBaseUrl = new Uri(string.Format("https://api.mailgun.net/v{0}/", version) + domain + "/");
+			ApiKey = apiKey;
+			Timeout = timeout;
+		}
+
 		public Uri DomainBaseUrl { get; private set; }
 
 		public string ApiKey { get; private set; }
 
+		public int Timeout { get; private set; } = 100000;
+
 		public SendMailCommandResult SendMail(MailMessage mailMessage)
 		{
-			return new SendMailCommand(this, mailMessage).Invoke();
+			return new SendMailCommand(this, mailMessage).Invoke(Timeout);
 		}
 
 		public SendMailCommandResult SendBatchMail(MailMessage mailMessage)
@@ -36,7 +48,7 @@ public SendMailCommandResult SendBatchMail(MailMessage mailMessage)
 
 		public SendMailCommandResult SendBatchMail(MailMessage mailMessage, IDictionary<string, IDictionary<string, object>> recipientVariables)
 		{
-			return new SendMailCommand(this, mailMessage, recipientVariables).Invoke();
+			return new SendMailCommand(this, mailMessage, recipientVariables).Invoke(Timeout);
 		}
 
 		public IEnumerable<Route> GetRoutes(int skip, int take, out int count)
@@ -46,12 +58,12 @@ public IEnumerable<Route> GetRoutes(int skip, int take, out int count)
 
 		public Route CreateRoute(int priority, string description, RouteFilter expression, params RouteAction[] actions)
 		{
-			return new CreateRouteCommand(this, priority, description, expression, actions).Invoke().Route;
+			return new CreateRouteCommand(this, priority, description, expression, actions).Invoke(Timeout).Route;
 		}
 
 		public CommandResult DeleteRoute(string routeId)
 		{
-			return new DeleteCommand(this, "../routes/" + routeId).Invoke();
+			return new DeleteCommand(this, "../routes/" + routeId).Invoke(Timeout);
 		}
 
 		public IEnumerable<MailgunStatEntry> GetStats(int skip, int take, MailgunEventTypes eventTypes, out int count)

src/Typesafe.Mailgun/MailgunCommand`1.cs

@@ -21,9 +21,9 @@ protected MailgunCommand(IMailgunAccountInfo accountInfo, string path, string ht
 
 		protected IMailgunAccountInfo AccountInfo { get; }
 
-		public T Invoke()
+		public T Invoke(int timeout)
 		{
-			var request = new MailgunHttpRequest(AccountInfo, httpVerb, path);
+			var request = new MailgunHttpRequest(AccountInfo, httpVerb, path, timeout);
 
 			request.SetFormParts(CreateFormParts());