void IServiceConnection.ReceiveState(ServiceStateInfo stateInfo)
{
if (StateChangedCallback != null)
{
StateChangedCallback(stateInfo);
}
}
internal void SaveServiceInstance(
ServiceExecutionHost host,
Guid instanceID,
Guid parentInstanceID,
ServiceConfiguration config,
ServiceStateInfo stateInfo,
SchedulingInfo schedulingInfo
)
{
// The first time we save write the configuration to XML. Otherwise ignore.
string serializedConfig = null;
if (stateInfo.State == ServiceState.Initializing)
{
var stringWriter = new StringWriter();
using (var writer = new XmlTextWriter(stringWriter))
new NetDataContractSerializer().WriteObject(writer, config);
serializedConfig = stringWriter.ToString();
}
var env = this.EnvironmentConfiguration;
using (var connection = new SqlConnection(env.ConnectionString))
{
var command = new SqlCommand(env.SP_InstanceSave, connection);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.AddWithValue("@instanceID", instanceID.ToString("N"));
command.Parameters.AddWithValue("@parentInstanceID", SqlUtility.SqlValue(parentInstanceID, Guid.Empty, () => parentInstanceID.ToString("N")));
command.Parameters.AddWithValue("@profileID", SqlUtility.SqlValue(config.Profile, () => config.Profile.ProfileID.ToString("N")));
command.Parameters.AddWithValue("@serviceName", config.ServiceName);
command.Parameters.AddWithValue("@hostName", host.HostName);
command.Parameters.AddWithValue("@hostGuid", host.HostGuid.ToString("N"));
command.Parameters.AddWithValue("@progress", stateInfo.Progress);
command.Parameters.AddWithValue("@state", stateInfo.State);
command.Parameters.AddWithValue("@outcome", stateInfo.Outcome);
command.Parameters.AddWithValue("@timeInitialized", SqlUtility.SqlValue(stateInfo.TimeInitialized, DateTime.MinValue));
command.Parameters.AddWithValue("@timeStarted", SqlUtility.SqlValue(stateInfo.TimeStarted, DateTime.MinValue));
command.Parameters.AddWithValue("@timeEnded", SqlUtility.SqlValue(stateInfo.TimeEnded, DateTime.MinValue));
command.Parameters.AddWithValue("@timeLastPaused", SqlUtility.SqlValue(stateInfo.TimeLastPaused, DateTime.MinValue));
command.Parameters.AddWithValue("@timeLastResumed", SqlUtility.SqlValue(stateInfo.TimeLastResumed, DateTime.MinValue));
command.Parameters.AddWithValue("@resumeCount", stateInfo.ResumeCount);
command.Parameters.AddWithValue("@configuration", SqlUtility.SqlValue(serializedConfig));
command.Parameters.AddWithValue("@Scheduling_Status", SqlUtility.SqlValue(schedulingInfo, () => schedulingInfo.SchedulingStatus));
command.Parameters.AddWithValue("@Scheduling_Scope", SqlUtility.SqlValue(schedulingInfo, () => schedulingInfo.SchedulingScope));
command.Parameters.AddWithValue("@Scheduling_MaxDeviationBefore", SqlUtility.SqlValue(schedulingInfo, () => schedulingInfo.MaxDeviationBefore));
command.Parameters.AddWithValue("@Scheduling_MaxDeviationAfter", SqlUtility.SqlValue(schedulingInfo, () => schedulingInfo.MaxDeviationAfter));
command.Parameters.AddWithValue("@Scheduling_RequestedTime", SqlUtility.SqlValue(schedulingInfo, () => SqlUtility.SqlValue(schedulingInfo.RequestedTime, DateTime.MinValue)));
command.Parameters.AddWithValue("@Scheduling_ExpectedStartTime", SqlUtility.SqlValue(schedulingInfo, () => SqlUtility.SqlValue(schedulingInfo.ExpectedStartTime, DateTime.MinValue)));
command.Parameters.AddWithValue("@Scheduling_ExpectedEndTime", SqlUtility.SqlValue(schedulingInfo, () => SqlUtility.SqlValue(schedulingInfo.ExpectedEndTime, DateTime.MinValue)));
connection.Open();
command.ExecuteNonQuery();
}
}
private void OnStateChanged(ServiceStateInfo info)
{
StateInfo = info;
if (StateChanged != null)
{
StateChanged(this, EventArgs.Empty);
}
if (_autostart && info.State == ServiceState.Ready)
{
this.Start();
}
}
private void OnStateChanged(ServiceStateInfo info)
{
StateInfo = info;
if (StateChanged != null)
{
StateChanged(this, EventArgs.Empty);
}
if (_autostart && info.State == ServiceState.Ready)
{
this.Start();
}
if (info.State == ServiceState.Ended && this.Connection != null)
{
this.Connection.Dispose();
}
}
private ServiceInstance(SerializationInfo info, StreamingContext context)
{
this.InstanceID = (Guid)info.GetValue("InstanceID", typeof(Guid));
this.Configuration = (ServiceConfiguration)info.GetValue("Configuration", typeof(ServiceConfiguration));
//this.ParentInstance = (ServiceInstance)info.GetValue("ParentInstance", typeof(ServiceInstance));
this.StateInfo = (ServiceStateInfo)info.GetValue("StateInfo", typeof(ServiceStateInfo));
this.SchedulingInfo = (SchedulingInfo)info.GetValue("SchedulingInfo", typeof(SchedulingInfo));
this.Environment = context.Context as ServiceEnvironment;
object pid = info.GetValue("ParentInstanceID", typeof(object));
if (pid != null)
{
this.ParentInstance = this.Environment.GetServiceInstance((Guid)pid);
}
// Was locked before serialization? Lock 'em up and throw away the key!
//if (info.GetBoolean("IsLocked"))
// ((ILockable)this).Lock();
}
