Transmit protocol from agent

Using Satellite to receive the SkyWalking protocols from agent, and transport data to the SkyWalking backend or another Satellite.

Protocols

Support these protocols transport via gRPC:

1. Tracing
2. Log
3. Management
4. CDS
5. Event
6. JVM
7. Profile

Config

Here is config file, set out as follows:

• Declare gRPC server and client to receive and transmit data.
• Declare each protocol gatherer and sender to transmit protocol via pipeline.
• Expose Self-Observability telemetry data to Prometheus.