// Return the current communication channel between the external client and this web role instance;
// Plus, return the internal channel between this web role instance and all work role instances.
public string GetCommunicationChannel()
{
string thisWebRoleChannel = string.Format("You are talking to the workroles via {0}.",
OperationContext.Current.Channel.LocalAddress.Uri.ToString());
// Contact the workrole and get the channel info
string workRoleChannel = string.Empty;
System.Text.StringBuilder sb = new StringBuilder();
var roles = RoleEnvironment.Roles["WorkerRole1"];
foreach (var instance in roles.Instances)
{
RoleInstanceEndpoint workRoleInternalEndPoint = instance.InstanceEndpoints["Internal"];
NetTcpBinding binding = new NetTcpBinding(SecurityMode.None, false);
EndpointAddress myEndpoint = new EndpointAddress(String.Format("net.tcp://{0}/Internal",
workRoleInternalEndPoint.IPEndpoint));
ChannelFactory <IContract> myChanFac = new ChannelFactory <WCFContract.IContract>(binding, myEndpoint);
WCFContract.IContract myClient = myChanFac.CreateChannel();
sb.Append(myClient.GetCommunicationChannel() + "\n");
}
workRoleChannel = sb.ToString();
return(thisWebRoleChannel + "\n" + workRoleChannel);
}
// Return the current web role's name and instance id;
// Plus, this web role instance talks to a work role instance via internal endpoint, and get
// the work role's instance data.
public string GetRoleInfo()
{
RoleInstance currentRoleInstance = RoleEnvironment.CurrentRoleInstance;
string roleName = currentRoleInstance.Role.Name;
string roleInstanceID = currentRoleInstance.Id;
string thisWR = string.Format("You are talking to the workroles via role {0}, instance ID {1}\n.",
roleName, roleInstanceID);
// Contact the workrole and get its info
string workRoleInfo = string.Empty;
System.Text.StringBuilder sb = new StringBuilder();
var roles = RoleEnvironment.Roles["WorkerRole1"];
foreach (var instance in roles.Instances)
{
RoleInstanceEndpoint WorkRoleInternalEndPoint = instance.InstanceEndpoints["Internal"];
NetTcpBinding binding = new NetTcpBinding(SecurityMode.None, false);
EndpointAddress myEndpoint = new EndpointAddress(String.Format("net.tcp://{0}/Internal",
WorkRoleInternalEndPoint.IPEndpoint));
ChannelFactory <IContract> myChanFac = new ChannelFactory <WCFContract.IContract>(binding, myEndpoint);
WCFContract.IContract myClient = myChanFac.CreateChannel();
sb.Append(myClient.GetRoleInfo() + "\n");
}
workRoleInfo = sb.ToString();
return(thisWR + "\n" + workRoleInfo);
}
