public serverImplementer(ServerHandler handler, ServerEndPoint sep, Type contract)
{
Handler = handler;
ServerEndPoint = sep;
Contract = contract;
var implementers = sep.ContractServers.Where(ts => contract.IsAssignableFrom(ts)).ToArray();
if (implementers.Length == 0)
{
throw new ServerContractException(string.Format(StringConsts.GLUE_ENDPOINT_CONTRACT_NOT_IMPLEMENTED_ERROR, sep.Name, contract.FullName));
}
if (implementers.Length > 1)
{
handler.WriteLog(LogSrc.Server,
MessageType.Warning,
string.Format(StringConsts.GLUE_ENDPOINT_CONTRACT_MANY_SERVERS_WARNING, contract.FullName, sep.Name),
from: "serverImplementer");
}
Implementation = implementers[0];
//pre-alloc Contract/Implementation method infos
var intfMapping = Implementation.GetInterfaceMap(Contract);
foreach (var miContract in Contract.GetMethods())
{
var mspec = new MethodSpec(miContract);
var miImpl = intfMapping.TargetMethods.FirstOrDefault(tmi => new MethodSpec(tmi).Equals(mspec));
if (miImpl == null)
{
throw new ServerContractException(StringConsts.GLUE_ENDPOINT_CONTRACT_INTF_MAPPING_ERROR.Args(sep.Name,
contract.FullName,
miContract.Name,
Implementation.FullName));
}
var fBody = getFBody(miContract);
methodMap.Add(mspec, new mapping(miContract, miImpl, fBody));//todo DODELAT Functor!
}
var lifeCycle = Contract.GetCustomAttributes(typeof(LifeCycleAttribute), false).FirstOrDefault() as LifeCycleAttribute;
if (lifeCycle != null)
{
InstanceMode = lifeCycle.Mode;
InstanceTimeoutMs = lifeCycle.TimeoutMs;
}
if (InstanceTimeoutMs == 0)
{
InstanceTimeoutMs = DEFAULT_INSTANCE_TIMEOUT_MS;
}
ThreadSafe = Attribute.IsDefined(Implementation, typeof(ThreadSafeAttribute), false);
AuthenticationSupport = Attribute.IsDefined(Contract, typeof(AuthenticationSupportAttribute), false);
SupportsGlueCtor = Implementation.GetConstructor(ServerHandler.GLUE_CTOR_SIGNATURE) != null;
}
protected override void DoWaitForCompleteStop()
{
const string FROM = "GlueService.DoWaitForCompleteStop()";
const string STOP = "stopping";
base.DoWaitForCompleteStop();
try
{
m_Thread.Join();
m_Thread = null;
foreach (var s in m_Servers)
{
run(() => s.Close(), STOP, "server", s.Name, s.GetType(), false);
}
foreach (var b in m_Bindings)
{
run(() => b.WaitForCompleteStop(), STOP, "binding", b.Name, b.GetType(), false);
}
foreach (var p in m_Providers)
{
run(() => p.WaitForCompleteStop(), STOP, "provider", p.Name, p.GetType(), false);
}
run(() => m_ServerHandler.WaitForCompleteStop(), STOP, "server handler", m_ServerHandler.Name, m_ServerHandler.GetType(), false);
m_ServerHandler.Dispose();
m_ServerHandler = null;
m_Calls = null;
}
catch (Exception error)
{
if (m_ServerHandler != null)
{
try
{
m_ServerHandler.Dispose();
m_ServerHandler = null;
}
catch
{
}
}
log(MessageType.CatastrophicError, "Exception: " + error.ToMessageWithType(), FROM);
throw error;
}
}
protected override void DoStart()
{
const string FROM = "GlueService.DoStart()";
const string START = "starting";
const string STOP = "stopping";
base.DoStart();
try
{
m_ServerHandler = new ServerHandler(this);
m_Calls = new Calls(0);
run(() => m_ServerHandler.Start(), START, "server handler", m_ServerHandler.Name, m_ServerHandler.GetType());
//todo Add partial failure handling, i.e. what if 2nd binding fails? then Providers that have started already need to stop
foreach (var p in m_Providers)
{
run(() => p.Start(), START, "provider", p.Name, p.GetType());
}
foreach (var b in m_Bindings)
{
run(() => b.Start(), START, "binding", b.Name, b.GetType());
}
foreach (var s in m_Servers)
{
run(() => s.Open(), START, "server", s.Name, s.GetType());
}
m_Thread = new Thread(threadSpin);
m_Thread.Name = THREAD_NAME;
m_Thread.Start();
log(MessageType.Info, "Started OK", FROM);
}
catch (Exception error)
{
AbortStart();
log(MessageType.CatastrophicError, "Exception: " + error.ToMessageWithType(), FROM);
if (m_Thread != null)
{
m_Thread.Join();
m_Thread = null;
}
foreach (var s in m_Servers)
{
run(() => s.Close(), STOP, "server", s.Name, s.GetType(), false);
}
foreach (var b in m_Bindings)
{
run(() => b.WaitForCompleteStop(), STOP, "binding", b.Name, b.GetType(), false);
}
foreach (var p in m_Providers)
{
run(() => p.WaitForCompleteStop(), STOP, "provider", p.Name, p.GetType(), false);
}
if (m_ServerHandler != null)
{
run(() => m_ServerHandler.Dispose(), STOP, "server handler", m_ServerHandler.Name, m_ServerHandler.GetType(), false);
m_ServerHandler = null;
}
throw error;
}
}
protected override void DoWaitForCompleteStop()
{
const string FROM = "GlueService.DoWaitForCompleteStop()";
const string STOP = "stopping";
base.DoWaitForCompleteStop();
try
{
m_Thread.Join();
m_Thread = null;
foreach(var s in m_Servers) run(() => s.Close(), STOP, "server", s.Name, s.GetType(), false);
foreach(var b in m_Bindings) run(() => b.WaitForCompleteStop(), STOP, "binding", b.Name, b.GetType(), false);
foreach(var p in m_Providers) run(() => p.WaitForCompleteStop(), STOP, "provider", p.Name, p.GetType(), false);
run(() => m_ServerHandler.WaitForCompleteStop(), STOP, "server handler", m_ServerHandler.Name, m_ServerHandler.GetType(), false);
m_ServerHandler.Dispose();
m_ServerHandler = null;
m_Calls = null;
}
catch(Exception error)
{
if (m_ServerHandler != null)
try
{
m_ServerHandler.Dispose();
m_ServerHandler = null;
}
catch
{
}
log(MessageType.CatastrophicError, "Exception: " + error.ToMessageWithType(), FROM);
throw error;
}
}
protected override void DoStart()
{
const string FROM = "GlueService.DoStart()";
const string START = "starting";
const string STOP = "stopping";
base.DoStart();
try
{
m_ServerHandler = new ServerHandler(this);
m_Calls = new Calls(0);
run(() => m_ServerHandler.Start(), START, "server handler", m_ServerHandler.Name, m_ServerHandler.GetType());
//todo Add partial failure handling, i.e. what if 2nd binding fails? then Providers that have started already need to stop
foreach(var p in m_Providers) run(() => p.Start(), START, "provider", p.Name, p.GetType());
foreach(var b in m_Bindings) run(() => b.Start(), START, "binding", b.Name, b.GetType());
foreach(var s in m_Servers) run(() => s.Open(), START, "server", s.Name, s.GetType());
m_Thread = new Thread(threadSpin);
m_Thread.Name = THREAD_NAME;
m_Thread.Start();
log(MessageType.Info, "Started OK", FROM);
}
catch(Exception error)
{
AbortStart();
log(MessageType.CatastrophicError, "Exception: " + error.ToMessageWithType(), FROM);
if (m_Thread != null)
{
m_Thread.Join();
m_Thread = null;
}
foreach (var s in m_Servers) run(() => s.Close(), STOP, "server", s.Name, s.GetType(), false);
foreach (var b in m_Bindings) run(() => b.WaitForCompleteStop(), STOP, "binding", b.Name, b.GetType(), false);
foreach (var p in m_Providers) run(() => p.WaitForCompleteStop(), STOP, "provider", p.Name, p.GetType(), false);
if (m_ServerHandler != null)
{
run(() => m_ServerHandler.Dispose(), STOP, "server handler", m_ServerHandler.Name, m_ServerHandler.GetType(), false);
m_ServerHandler = null;
}
throw error;
}
}
public serverImplementer(ServerHandler handler, ServerEndPoint sep, Type contract)
{
Handler = handler;
ServerEndPoint = sep;
Contract = contract;
var implementers = sep.ContractServers.Where(ts => contract.IsAssignableFrom(ts)).ToArray();
if (implementers.Length==0)
throw new ServerContractException(string.Format(StringConsts.GLUE_ENDPOINT_CONTRACT_NOT_IMPLEMENTED_ERROR, sep.Name, contract.FullName));
if (implementers.Length>1)
{
handler.WriteLog(LogSrc.Server,
MessageType.Warning,
string.Format(StringConsts.GLUE_ENDPOINT_CONTRACT_MANY_SERVERS_WARNING, contract.FullName, sep.Name),
from: "serverImplementer");
}
Implementation = implementers[0];
//pre-alloc Contract/Implementation method infos
var intfMapping = Implementation.GetInterfaceMap(Contract);
foreach(var miContract in Contract.GetMethods())
{
var mspec = new MethodSpec(miContract);
var miImpl = intfMapping.TargetMethods.FirstOrDefault( tmi => new MethodSpec(tmi).Equals( mspec ));
if (miImpl==null)
throw new ServerContractException(StringConsts.GLUE_ENDPOINT_CONTRACT_INTF_MAPPING_ERROR.Args( sep.Name,
contract.FullName,
miContract.Name,
Implementation.FullName));
var fBody = getFBody(miContract);
methodMap.Add(mspec, new mapping(miContract, miImpl, fBody));//todo DODELAT Functor!
}
var lifeCycle = Contract.GetCustomAttributes(typeof(LifeCycleAttribute), false).FirstOrDefault() as LifeCycleAttribute;
if (lifeCycle!=null)
{
InstanceMode = lifeCycle.Mode;
InstanceTimeoutMs = lifeCycle.TimeoutMs;
}
if (InstanceTimeoutMs==0) InstanceTimeoutMs = DEFAULT_INSTANCE_TIMEOUT_MS;
ThreadSafe = Attribute.IsDefined(Implementation, typeof(ThreadSafeAttribute), false);
AuthenticationSupport = Attribute.IsDefined(Contract, typeof(AuthenticationSupportAttribute), false);
SupportsGlueCtor = Implementation.GetConstructor(ServerHandler.GLUE_CTOR_SIGNATURE) != null;
}
