/// <summary>
/// Deserialize a <see cref="RequestCall"/>.
/// </summary>
/// <param name="sessionState">PerSession state</param>
/// <returns>Deserialized <see cref="RequestCall"/></returns>
public ProtocolRequestCall DeserializeRequest(ZkprPerSessionState sessionState)
{
int callId;
ZooKeeperRequestType type = ZooKeeperRequestType.Notification;
if (sessionState == null)
{
throw new ArgumentNullException("sessionState");
}
if (!sessionState.ConnectRecieved)
{
type = ZooKeeperRequestType.CreateSession;
callId = 0;
}
else
{
callId = this.binaryReader.ReadInt32BE();
type = (ZooKeeperRequestType)this.binaryReader.ReadInt32BE();
}
IRingMasterRequest ringMasterRequest;
IZooKeeperRequest zkprRequest = this.DeserializeZooKeeperRequest(callId, type, sessionState, out ringMasterRequest);
return(new ProtocolRequestCall()
{
CallId = (ulong)callId,
Request = ringMasterRequest,
ProtocolRequest = zkprRequest,
});
}
/// <summary>
/// Deserialize a <see cref="RequestCall"/>.
/// </summary>
/// <param name="serializedRequest">Serialized representation of the request</param>
/// <param name="serializedRequestLength">Length of serialized request</param>
/// <param name="version">Serialization protocol version to use</param>
/// <param name="sessionState">The Session State</param>
/// <returns>The deserialized <see cref="RequestCall"/></returns>
public ProtocolRequestCall DeserializeRequest(byte[] serializedRequest, int serializedRequestLength, uint version, ISessionState sessionState)
{
using (var deserializer = new ZkprDeserializer(serializedRequest, serializedRequestLength, version))
{
ZkprPerSessionState zkprSessionState = sessionState as ZkprPerSessionState;
ProtocolRequestCall theCall = deserializer.DeserializeRequest(zkprSessionState);
return(theCall);
}
}
/// <summary>
/// Deserialize <see cref="IZooKeeperRequest"/>
/// </summary>
/// <param name="xid">the callid</param>
/// <param name="type">type of the call</param>
/// <param name="sessionState">The PerSession State</param>
/// <param name="ringMasterRequest">The ring master request.</param>
/// <exception cref="System.ArgumentException">unknown type + type</exception>
/// <returns>The Zookeeper Request</returns>
private IZooKeeperRequest DeserializeZooKeeperRequest(int xid, ZooKeeperRequestType type, ZkprPerSessionState sessionState, out IRingMasterRequest ringMasterRequest)
{
ringMasterRequest = null;
switch (type)
{
case ZooKeeperRequestType.Notification: // "0" for Createing a session
ringMasterRequest = null;
return(this.DeserializeNotification(xid));
case ZooKeeperRequestType.CreateSession:
ZkprProtocolMessages.CreateSession cs = this.DeserializeCreateSession();
ringMasterRequest = new RequestInit((ulong)cs.SessionId, cs.IsNullPassword ? string.Empty : cs.Password);
sessionState.ConnectRecieved = true;
return(cs);
case ZooKeeperRequestType.Exists:
ZkprProtocolMessages.Exists ex = this.DeserializeExists(xid);
ringMasterRequest = new RequestExists(ex.Path, ex.Watch == false ? null : new Watcher((ulong)xid, WatcherKind.OneUse));
return(ex);
case ZooKeeperRequestType.GetChildren:
ZkprProtocolMessages.GetChildren gc = this.DeserializeGetChildren(xid);
ringMasterRequest = new RequestGetChildren(gc.Path, gc.Watch == false ? null : new Watcher((ulong)xid, WatcherKind.OneUse), null);
return(gc);
case ZooKeeperRequestType.GetChildren2:
ZkprProtocolMessages.GetChildren2 gc2 = this.DeserializeGetChildren2(xid);
ringMasterRequest = new RequestGetChildren(gc2.Path, gc2.Watch == false ? null : new Watcher((ulong)xid, WatcherKind.OneUse), null);
return(gc2);
case ZooKeeperRequestType.GetData:
ZkprProtocolMessages.GetData gd = this.DeserializeGetData(xid);
ringMasterRequest = new RequestGetData(gd.Path, RequestGetData.GetDataOptions.None, gd.Watch == false ? null : new Watcher((ulong)xid, WatcherKind.OneUse));
return(gd);
case ZooKeeperRequestType.Create:
ZkprProtocolMessages.Create cr = this.DeserializeCreate(xid);
IReadOnlyList <Acl> acls = this.TranslateZkprAclListToRMAclList(cr.Acls);
CreateMode cm = this.TranslateZkprCreatFlagsToRmCreateMode(cr.Flags);
ringMasterRequest = new RequestCreate(cr.Path, cr.Data, acls, cm);
return(cr);
case ZooKeeperRequestType.Create2:
ZkprProtocolMessages.Create2 cr2 = this.DeserializeCreate2(xid);
IReadOnlyList <Acl> acls2 = this.TranslateZkprAclListToRMAclList(cr2.Acls);
CreateMode cm2 = this.TranslateZkprCreatFlagsToRmCreateMode(cr2.Flags);
ringMasterRequest = new RequestCreate(cr2.Path, cr2.Data, acls2, cm2);
return(cr2);
case ZooKeeperRequestType.SetData:
ZkprProtocolMessages.SetData sd = this.DeserializeSetData(xid);
ringMasterRequest = new RequestSetData(sd.Path, sd.Data, sd.Version);
return(sd);
case ZooKeeperRequestType.Delete:
ZkprProtocolMessages.Delete dl = this.DeserializeDelete(xid);
ringMasterRequest = new RequestDelete(dl.Path, dl.Version, false);
return(dl);
case ZooKeeperRequestType.Ping:
ringMasterRequest = null;
return(this.DeserializePing(xid));
case ZooKeeperRequestType.CloseSession:
ringMasterRequest = null;
sessionState.ConnectRecieved = false; // Renegotiate the CreateSession
return(this.DeserializeCloseSession(xid));
case ZooKeeperRequestType.GetACL:
ZkprProtocolMessages.GetACL ga = this.DeserializeGetACL(xid);
ringMasterRequest = new RequestGetAcl(ga.Path, null);
return(ga);
case ZooKeeperRequestType.SetACL:
ZkprProtocolMessages.SetACL sa = this.DeserializeSetACL(xid);
IReadOnlyList <Acl> sa_acls = this.TranslateZkprAclListToRMAclList(sa.Acls);
ringMasterRequest = new RequestSetAcl(sa.Path, sa_acls, sa.Version);
return(sa);
case ZooKeeperRequestType.Multi:
ZkprProtocolMessages.Multi mu = this.DeserializeMulti(xid);
IReadOnlyList <Op> rmOps = this.TranslateZkprOpsListToRmOpsList(mu.Ops);
ringMasterRequest = new RequestMulti(rmOps, false);
return(mu);
case ZooKeeperRequestType.Auth:
ZkprProtocolMessages.Auth au = this.DeserializeAuth(xid);
ringMasterRequest = new RequestSetAuth(au.RmAuthId);
return(au);
case ZooKeeperRequestType.Check:
case ZooKeeperRequestType.Sync:
case ZooKeeperRequestType.Reconfig:
case ZooKeeperRequestType.SetWatches:
case ZooKeeperRequestType.RemoveWatches:
case ZooKeeperRequestType.CreateContainer:
case ZooKeeperRequestType.DeleteContainer:
case ZooKeeperRequestType.Sasl:
case ZooKeeperRequestType.Error:
default:
break;
}
return(null);
}