[System] Remove Process.Start and related API from TvOS/WatchOS.

[mono.git] / mcs / class / System / System.Net.NetworkInformation / Ping.cs

diff --git a/mcs/class/System/System.Net.NetworkInformation/Ping.cs b/mcs/class/System/System.Net.NetworkInformation/Ping.cs
index 246c896762304a1284ef70773a9063574f930635..abb6d5d6bce4f5fcae3d6a2a5b1e705925971278 100644 (file)
--- a/mcs/class/System/System.Net.NetworkInformation/Ping.cs
+++ b/mcs/class/System/System.Net.NetworkInformation/Ping.cs
@@ -26,6 +26,7 @@
 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
+
 using System;
 using System.IO;
 using System.Text;
@@ -36,10 +37,8 @@ using System.Net.Sockets;
 using System.Security.Principal;
 using System.Security.Cryptography;
 using System.Runtime.InteropServices;
-#if NET_4_5
 using System.Threading;
 using System.Threading.Tasks;
-#endif
 
 namespace System.Net.NetworkInformation {
        [MonoTODO ("IPv6 support is missing")]
@@ -83,9 +82,7 @@ namespace System.Net.NetworkInformation {
 
                BackgroundWorker worker;
                object user_async_state;
-#if NET_4_5
                CancellationTokenSource cts;
-#endif
                
                public event PingCompletedEventHandler PingCompleted;
                
@@ -155,9 +152,7 @@ namespace System.Net.NetworkInformation {
                {
                        user_async_state = null;
                        worker = null;
-#if NET_4_5
                        cts = null;
-#endif
 
                        if (PingCompleted != null)
                                PingCompleted (this, e);
@@ -292,7 +287,8 @@ namespace System.Net.NetworkInformation {
 
                private PingReply SendUnprivileged (IPAddress address, int timeout, byte [] buffer, PingOptions options)
                {
-                       DateTime sentTime = DateTime.Now;
+#if MONO_FEATURE_PROCESS_START
+                       DateTime sentTime = DateTime.UtcNow;
 
                        Process ping = new Process ();
                        string args = BuildPingArgs (address, timeout, options);
@@ -307,6 +303,7 @@ namespace System.Net.NetworkInformation {
                        ping.StartInfo.RedirectStandardOutput = true;
                        ping.StartInfo.RedirectStandardError = true;
 
+                       IPStatus status = IPStatus.Unknown;
                        try {
                                ping.Start ();
 
@@ -315,23 +312,24 @@ namespace System.Net.NetworkInformation {
                                string stderr = ping.StandardError.ReadToEnd ();
 #pragma warning restore 219
                                
-                               trip_time = (long) (DateTime.Now - sentTime).TotalMilliseconds;
+                               trip_time = (long) (DateTime.UtcNow - sentTime).TotalMilliseconds;
                                if (!ping.WaitForExit (timeout) || (ping.HasExited && ping.ExitCode == 2))
-                                       return new PingReply (address, buffer, options, trip_time, IPStatus.TimedOut); 
-
-                               if (ping.ExitCode == 1)
-                                       return new PingReply (address, buffer, options, trip_time, IPStatus.TtlExpired);
-                       } catch (Exception) {
-                               return new PingReply (address, buffer, options, trip_time, IPStatus.Unknown);
+                                       status = IPStatus.TimedOut;
+                               else if (ping.ExitCode == 0)
+                                       status = IPStatus.Success;
+                               else if (ping.ExitCode == 1)
+                                       status = IPStatus.TtlExpired;
+                       } catch {
                        } finally {
-                               if (ping != null) {
-                                       if (!ping.HasExited)
-                                               ping.Kill ();
-                                       ping.Dispose ();
-                               }
+                               if (!ping.HasExited)
+                                       ping.Kill ();
+                               ping.Dispose ();
                        }
 
-                       return new PingReply (address, buffer, options, trip_time, IPStatus.Success);
+                       return new PingReply (address, buffer, options, trip_time, status);
+#else
+                       throw new NotSupportedException ("Ping is not supported on this platform.");
+#endif // MONO_FEATURE_PROCESS_START
                }
 
                // Async
@@ -374,13 +372,8 @@ namespace System.Net.NetworkInformation {
 
                public void SendAsync (IPAddress address, int timeout, byte [] buffer, PingOptions options, object userToken)
                {
-#if NET_4_5
                        if ((worker != null) || (cts != null))
                                throw new InvalidOperationException ("Another SendAsync operation is in progress");
-#else
-                       if (worker != null)
-                               throw new InvalidOperationException ("Another SendAsync operation is in progress");
-#endif
 
                        worker = new BackgroundWorker ();
                        worker.DoWork += delegate (object o, DoWorkEventArgs ea) {
@@ -403,12 +396,10 @@ namespace System.Net.NetworkInformation {
 
                public void SendAsyncCancel ()
                {
-#if NET_4_5
                        if (cts != null) {
                                cts.Cancel ();
                                return;
                        }
-#endif
 
                        if (worker == null)
                                throw new InvalidOperationException ("SendAsync operation is not in progress");
@@ -549,7 +540,6 @@ namespace System.Net.NetworkInformation {
                        return args.ToString ();
                }
 
-#if NET_4_5
                public Task<PingReply> SendPingAsync (IPAddress address, int timeout, byte [] buffer)
                {
                        return SendPingAsync (address, default_timeout, default_buffer, new PingOptions ());
@@ -605,7 +595,5 @@ namespace System.Net.NetworkInformation {
 
                        return task;
                }
-#endif
        }
 }
-