public override byte[] GetHeader(params HttpHeader[] rewrites)
{
sb.Clear();
sb.Append(StatusLine.ToString());
HeaderList.Format(sb, rewrites);
sb.Append("\r\n");
return(Encoding.GetBytes(sb.ToString()));
}
public void ToStringTest(int statusCode, string protocol, string version, string result)
{
var instance = new StatusLine {
StatusCode = statusCode, Protocol = protocol, Version = version
};
Assert.Equal(instance.ToString(), result);
Assert.Equal($"{instance}", result);
}
public virtual void Run()
{
running = true;
HttpClient httpClient;
if (client == null)
{
// This is a race condition that can be reproduced by calling cbpuller.start() and cbpuller.stop()
// directly afterwards. What happens is that by the time the Changetracker thread fires up,
// the cbpuller has already set this.client to null. See issue #109
Log.W(Database.Tag, "ChangeTracker run() loop aborting because client == null");
return;
}
if (mode == ChangeTracker.ChangeTrackerMode.Continuous)
{
// there is a failing unit test for this, and from looking at the code the Replication
// object will never use Continuous mode anyway. Explicitly prevent its use until
// it is demonstrated to actually work.
throw new RuntimeException("ChangeTracker does not correctly support continuous mode"
);
}
httpClient = client.GetHttpClient();
ChangeTrackerBackoff backoff = new ChangeTrackerBackoff();
while (running)
{
Uri url = GetChangesFeedURL();
request = new HttpRequestMessage(url.ToString());
AddRequestHeaders(request);
// if the URL contains user info AND if this a DefaultHttpClient
// then preemptively set the auth credentials
if (url.GetUserInfo() != null)
{
Log.V(Database.Tag, "url.getUserInfo(): " + url.GetUserInfo());
if (url.GetUserInfo().Contains(":") && !url.GetUserInfo().Trim().Equals(":"))
{
string[] userInfoSplit = url.GetUserInfo().Split(":");
throw new NotImplementedException();
// Credentials creds = new UsernamePasswordCredentials(URIUtils.Decode(userInfoSplit
// [0]), URIUtils.Decode(userInfoSplit[1]));
// if (httpClient is DefaultHttpClient)
// {
// DefaultHttpClient dhc = (DefaultHttpClient)httpClient;
// MessageProcessingHandler preemptiveAuth = new _MessageProcessingHandler_212(creds
// );
// dhc.AddRequestInterceptor((HttpWebRequest request, HttpContext context)=>
// {
// AuthState authState = (AuthState)context.GetAttribute(ClientContext.TargetAuthState
// );
// CredentialsProvider credsProvider = (CredentialsProvider)context.GetAttribute(ClientContext
// .CredsProvider);
// HttpHost targetHost = (HttpHost)context.GetAttribute(ExecutionContext.HttpTargetHost
// );
// if (authState.GetAuthScheme() == null)
// {
// AuthScope authScope = new AuthScope(targetHost.GetHostName(), targetHost.GetPort(
// ));
// authState.SetAuthScheme(new BasicScheme());
// authState.SetCredentials(creds);
// }
// }, 0);
// }
}
else
{
Log.W(Database.Tag, "ChangeTracker Unable to parse user info, not setting credentials"
);
}
}
try
{
string maskedRemoteWithoutCredentials = GetChangesFeedURL().ToString();
maskedRemoteWithoutCredentials = maskedRemoteWithoutCredentials.ReplaceAll("://.*:.*@"
, "://---:---@");
Log.V(Database.Tag, "Making request to " + maskedRemoteWithoutCredentials);
HttpResponse response = httpClient.Execute(request);
StatusLine status = response.GetStatusLine();
if (status.GetStatusCode() >= 300)
{
Log.E(Database.Tag, "Change tracker got error " + Sharpen.Extensions.ToString(status
.GetStatusCode()));
string msg = string.Format(status.ToString());
this.error = new CouchbaseLiteException(msg, new Status(status.GetStatusCode()));
Stop();
}
HttpEntity entity = response.GetEntity();
InputStream input = null;
if (entity != null)
{
input = entity.GetContent();
if (mode == ChangeTracker.ChangeTrackerMode.LongPoll)
{
IDictionary <string, object> fullBody = Manager.GetObjectMapper().ReadValue <IDictionary
>(input);
bool responseOK = ReceivedPollResponse(fullBody);
if (mode == ChangeTracker.ChangeTrackerMode.LongPoll && responseOK)
{
Log.V(Database.Tag, "Starting new longpoll");
continue;
}
else
{
Log.W(Database.Tag, "Change tracker calling stop");
Stop();
}
}
else
{
JsonFactory jsonFactory = Manager.GetObjectMapper().GetJsonFactory();
JsonParser jp = jsonFactory.CreateJsonParser(input);
while (jp.CurrentToken() != JsonToken.StartArray)
{
}
// ignore these tokens
while (jp.CurrentToken() == JsonToken.StartObject)
{
IDictionary <string, object> change = (IDictionary)Manager.GetObjectMapper().ReadValue
<IDictionary>(jp);
if (!ReceivedChange(change))
{
Log.W(Database.Tag, string.Format("Received unparseable change line from server: %s"
, change));
}
}
Stop();
break;
}
backoff.ResetBackoff();
}
}
catch (Exception e)
{
if (!running && e is IOException)
{
}
else
{
// in this case, just silently absorb the exception because it
// frequently happens when we're shutting down and have to
// close the socket underneath our read.
Log.E(Database.Tag, "Exception in change tracker", e);
}
backoff.SleepAppropriateAmountOfTime();
}
}
Log.V(Database.Tag, "Change tracker run loop exiting");
}