/// <summary>
/// Default constructor
/// </summary>
/// <param name="db">The local database to replicate to/from</param>
/// <param name="remote">The remote Uri to sync with</param>
/// <param name="continuous">If set to <c>true</c> continuous.</param>
/// <param name="clientFactory">The client factory for instantiating the HttpClient used to create web requests</param>
/// <param name="workExecutor">The TaskFactory to execute work on</param>
protected Replication(Database db, Uri remote, bool continuous, IHttpClientFactory clientFactory, TaskFactory workExecutor)
{
LocalDatabase = db;
Continuous = continuous;
// NOTE: Consider running a separate scheduler for all http requests.
WorkExecutor = workExecutor;
CancellationTokenSource = new CancellationTokenSource();
RemoteUrl = remote;
Options = new ReplicationOptionsDictionary();
RequestHeaders = new Dictionary<String, Object>();
_requests = new ConcurrentDictionary<HttpRequestMessage, Task>();
// FIXME: Refactor to visitor pattern.
if (RemoteUrl.GetQuery() != null && !StringEx.IsNullOrWhiteSpace(RemoteUrl.GetQuery()))
{
var uri = new Uri(remote.ToString());
var personaAssertion = URIUtils.GetQueryParameter(uri, PersonaAuthorizer.QueryParameter);
if (personaAssertion != null && !StringEx.IsNullOrWhiteSpace(personaAssertion))
{
var email = PersonaAuthorizer.RegisterAssertion(personaAssertion);
var authorizer = new PersonaAuthorizer(email);
Authenticator = authorizer;
}
var facebookAccessToken = URIUtils.GetQueryParameter(uri, FacebookAuthorizer.QUERY_PARAMETER);
if (facebookAccessToken != null && !StringEx.IsNullOrWhiteSpace(facebookAccessToken))
{
var email = URIUtils.GetQueryParameter(uri, FacebookAuthorizer.QUERY_PARAMETER_EMAIL);
var authorizer = new FacebookAuthorizer(email);
Uri remoteWithQueryRemoved = null;
try
{
remoteWithQueryRemoved = new UriBuilder(remote.Scheme, remote.GetHost(), remote.Port, remote.AbsolutePath).Uri;
}
catch (UriFormatException e)
{
throw new ArgumentException("Invalid URI format.", "remote", e);
}
FacebookAuthorizer.RegisterAccessToken(facebookAccessToken, email, remoteWithQueryRemoved);
Authenticator = authorizer;
}
// we need to remove the query from the URL, since it will cause problems when
// communicating with sync gw / couchdb
try
{
RemoteUrl = new UriBuilder(remote.Scheme, remote.GetHost(), remote.Port, remote.AbsolutePath).Uri;
}
catch (UriFormatException e)
{
throw new ArgumentException("Invalid URI format.", "remote", e);
}
}
Batcher = new Batcher<RevisionInternal>(workExecutor, INBOX_CAPACITY, PROCESSOR_DELAY, inbox =>
{
try {
Log.V(TAG, "*** BEGIN ProcessInbox ({0} sequences)", inbox.Count);
if(Continuous) {
FireTrigger(ReplicationTrigger.Resume);
}
ProcessInbox (new RevisionList(inbox));
Log.V(TAG, "*** END ProcessInbox (lastSequence={0})", LastSequence);
} catch (Exception e) {
Log.E(TAG, "ProcessInbox failed: ", e);
throw new RuntimeException(e);
}
});
ClientFactory = clientFactory;
_stateMachine = new StateMachine<ReplicationState, ReplicationTrigger>(ReplicationState.Initial);
InitializeStateMachine();
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="db">The local database to replicate to/from</param>
/// <param name="remote">The remote Uri to sync with</param>
/// <param name="continuous">If set to <c>true</c> continuous.</param>
/// <param name="clientFactory">The client factory for instantiating the HttpClient used to create web requests</param>
/// <param name="workExecutor">The TaskFactory to execute work on</param>
internal Replication(Database db, Uri remote, bool continuous, IHttpClientFactory clientFactory, TaskFactory workExecutor)
{
sessionID = $"repl{ Interlocked.Increment(ref _lastSessionID):000}";
var opts = new RemoteSessionContructorOptions {
BaseUrl = remote,
WorkExecutor = workExecutor,
Id = _replicatorID,
CancellationTokenSource = CancellationTokenSource
};
_remoteSession = new RemoteSession(opts);
Username = remote.UserInfo;
LocalDatabase = db;
_eventContext = LocalDatabase.Manager.CapturedContext;
Continuous = continuous;
// NOTE: Consider running a separate scheduler for all http requests.
WorkExecutor = workExecutor;
RemoteUrl = remote;
#pragma warning disable 618
Options = new ReplicationOptionsDictionary();
#pragma warning restore 618
ReplicationOptions = new ReplicationOptions();
if (RemoteUrl.Query != null && !StringEx.IsNullOrWhiteSpace(RemoteUrl.Query)) {
Authenticator = AuthenticatorFactory.CreateFromUri(remote);
// we need to remove the query from the URL, since it will cause problems when
// communicating with sync gw / couchdb
try {
RemoteUrl = new UriBuilder(remote.Scheme, remote.Host, remote.Port, remote.AbsolutePath).Uri;
} catch (UriFormatException e) {
throw Misc.CreateExceptionAndLog(Log.To.Sync, e, Tag,
"Invalid URI format for remote endpoint");
}
}
Batcher = new Batcher<RevisionInternal>(workExecutor, INBOX_CAPACITY, ProcessorDelay, inbox =>
{
try {
Log.To.Sync.V(Tag, "*** {0} BEGIN ProcessInbox ({1} sequences)", this, inbox.Count);
if(Continuous) {
FireTrigger(ReplicationTrigger.Resume);
}
ProcessInbox (new RevisionList(inbox));
Log.To.Sync.V(Tag, "*** {0} END ProcessInbox (lastSequence={1})", this, LastSequence);
} catch(Exception e) {
throw Misc.CreateExceptionAndLog(Log.To.Sync, e, Tag,
"{0} ProcessInbox failed", this);
}
});
ClientFactory = clientFactory;
_stateMachine = new StateMachine<ReplicationState, ReplicationTrigger>(ReplicationState.Initial);
InitializeStateMachine();
}
