public virtual int StartKernel(ServiceProvider serviceProvider)
{
var logger = serviceProvider.GetService <ILogger <KernelApplication> >();
logger.LogDebug("Starting kernel services...");
// Minimally, we need to start a server for each of the heartbeat,
// control and shell sockets.
var heartbeatServer = serviceProvider.GetService <IHeartbeatServer>();
var shellServer = serviceProvider.GetService <IShellServer>();
var engine = serviceProvider.GetService <IExecutionEngine>();
shellServer.ShutdownRequest += OnShutdownRequest;
// We start by launching a heartbeat server, which echoes whatever
// input it gets from the client. Clients can use this to ensure
// that the kernel is still alive and responsive.
engine.Start();
heartbeatServer.Start();
shellServer.Start();
KernelStarted?.Invoke(serviceProvider);
return(0);
}
public virtual int StartKernel(ServiceProvider serviceProvider)
{
var logger = serviceProvider.GetService <ILogger <KernelApplication> >();
logger.LogDebug("Starting kernel services...");
// Minimally, we need to start a server for each of the heartbeat,
// control and shell sockets.
// We start by launching a heartbeat server, which echoes whatever
// input it gets from the client. Clients can use this to ensure
// that the kernel is still alive and responsive.
using (logger.BeginScope("Starting kernel services"))
{
logger.LogDebug("Getting and starting heartbeat service.");
serviceProvider.GetService <IHeartbeatServer>().Start();
logger.LogDebug("Getting and starting shell service.");
var shellServer = serviceProvider.GetService <IShellServer>();
shellServer.ShutdownRequest += OnShutdownRequest;
shellServer.Start();
// Tell the client that we are starting the engine.
shellServer.SendIoPubMessage(
new Message
{
Header = new MessageHeader
{
MessageType = "status"
},
Content = new KernelStatusContent
{
ExecutionState = ExecutionState.Starting
}
}
);
logger.LogDebug("Getting engine service.");
var engine = serviceProvider.GetService <IExecutionEngine>();
logger.LogDebug("Starting engine service.");
engine.Start();
}
KernelStarted?.Invoke(serviceProvider);
return(0);
}