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Workaround for a bug in .NET Core. This issue is referenced by #92. It is has been reported to the dotnet corefx team here: dotnet/corefx#8809 The issue won't be resolved in 1.0.0, so @stephentoub recommended that we reuse the HttpClient.

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This commit is contained in:
pauldotknopf
2016-06-01 16:47:28 +01:00
committed by SteveSandersonMS
parent 341cd4f1cb
commit 50ee405656
1 changed files with 42 additions and 29 deletions
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71
src/Microsoft.AspNetCore.NodeServices/HostingModels/HttpNodeInstance.cs
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@@ -1,5 +1,4 @@
using System;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Text.RegularExpressions;
@@ -19,6 +18,8 @@ namespace Microsoft.AspNetCore.NodeServices
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
private HttpClient _client;
private bool _disposed;
private int _portNumber;
public HttpNodeInstance(string projectPath, int port = 0, string[] watchFileExtensions = null)
@@ -29,7 +30,8 @@ namespace Microsoft.AspNetCore.NodeServices
projectPath,
MakeCommandLineOptions(port, watchFileExtensions))
{
}
_client = new HttpClient();
}
private static string MakeCommandLineOptions(int port, string[] watchFileExtensions)
{
@@ -46,34 +48,31 @@ namespace Microsoft.AspNetCore.NodeServices
{
await EnsureReady();
using (var client = new HttpClient())
// TODO: Use System.Net.Http.Formatting (PostAsJsonAsync etc.)
var payloadJson = JsonConvert.SerializeObject(invocationInfo, JsonSerializerSettings);
var payload = new StringContent(payloadJson, Encoding.UTF8, "application/json");
var response = await _client.PostAsync("http://localhost:" + _portNumber, payload);
var responseString = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
// TODO: Use System.Net.Http.Formatting (PostAsJsonAsync etc.)
var payloadJson = JsonConvert.SerializeObject(invocationInfo, JsonSerializerSettings);
var payload = new StringContent(payloadJson, Encoding.UTF8, "application/json");
var response = await client.PostAsync("http://localhost:" + _portNumber, payload);
var responseString = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
throw new Exception("Call to Node module failed with error: " + responseString);
}
var responseIsJson = response.Content.Headers.ContentType.MediaType == "application/json";
if (responseIsJson)
{
return JsonConvert.DeserializeObject<T>(responseString);
}
if (typeof(T) != typeof(string))
{
throw new ArgumentException(
"Node module responded with non-JSON string. This cannot be converted to the requested generic type: " +
typeof(T).FullName);
}
return (T)(object)responseString;
throw new Exception("Call to Node module failed with error: " + responseString);
}
var responseIsJson = response.Content.Headers.ContentType.MediaType == "application/json";
if (responseIsJson)
{
return JsonConvert.DeserializeObject<T>(responseString);
}
if (typeof(T) != typeof(string))
{
throw new ArgumentException(
"Node module responded with non-JSON string. This cannot be converted to the requested generic type: " +
typeof(T).FullName);
}
return (T)(object)responseString;
}
protected override void OnOutputDataReceived(string outputData)
@@ -94,5 +93,19 @@ namespace Microsoft.AspNetCore.NodeServices
// Prepare to receive a new port number
_portNumber = 0;
}
}
protected override void Dispose(bool disposing) {
base.Dispose(disposing);
if (!_disposed)
{
if (disposing)
{
_client.Dispose();
}
_disposed = true;
}
}
}
}