public override async Task <T> Invoke <T>(NodeInvocationInfo invocationInfo)
{
await this.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:" + this._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));
}
else if (typeof(T) != typeof(string))
{
throw new System.ArgumentException("Node module responded with non-JSON string. This cannot be converted to the requested generic type: " + typeof(T).FullName);
}
else
{
return((T)(object)responseString);
}
}
}
public override async Task<string> Invoke(NodeInvocationInfo invocationInfo) {
await this.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:" + this._portNumber, payload);
var responseString = await response.Content.ReadAsStringAsync();
return responseString;
}
}
public override async Task<string> Invoke(NodeInvocationInfo invocationInfo) {
await this._invocationSemaphore.WaitAsync();
try {
await this.EnsureReady();
var payloadJson = JsonConvert.SerializeObject(invocationInfo, jsonSerializerSettings);
var nodeProcess = this.NodeProcess;
this._currentInvocationResult = new TaskCompletionSource<string>();
nodeProcess.StandardInput.Write("\ninvoke:");
nodeProcess.StandardInput.WriteLine(payloadJson); // WriteLineAsync isn't supported cross-platform
return await this._currentInvocationResult.Task;
} finally {
this._invocationSemaphore.Release();
this._currentInvocationResult = null;
}
}
public override async Task <T> Invoke <T>(NodeInvocationInfo invocationInfo)
{
await this._invocationSemaphore.WaitAsync();
try {
await this.EnsureReady();
var payloadJson = JsonConvert.SerializeObject(invocationInfo, jsonSerializerSettings);
var nodeProcess = this.NodeProcess;
this._currentInvocationResult = new TaskCompletionSource <string>();
nodeProcess.StandardInput.Write("\ninvoke:");
nodeProcess.StandardInput.WriteLine(payloadJson); // WriteLineAsync isn't supported cross-platform
var resultString = await this._currentInvocationResult.Task;
return(JsonConvert.DeserializeObject <T>(resultString));
} finally {
this._invocationSemaphore.Release();
this._currentInvocationResult = null;
}
}
public abstract Task <T> Invoke <T>(NodeInvocationInfo invocationInfo);
public abstract Task<string> Invoke(NodeInvocationInfo invocationInfo);
