Interpreting Traces
The Host Integration Server Trace feature provides message, client API, SnaBase, Transaction Integrator, PU 2.1 node, and link service tracing.
The following table shows the information needed for interpreting each type.
| Type of tracing | Software component traced | Area of expertise needed |
|---|---|---|
| APPC API | SNA applications | APPC programming |
| CPI-C API | SNA applications | CPI-C programming |
| LUA API | SNA applications | LUA programming |
| SNA Formats | SnaServer (PU 2.1 Node) | SNA formats |
| Data Link Control (messages) | SnaServer (PU 2.1 node) or link service | DLC interface |
| Level 2 Messages | Link service | Link service interface |
| 3270 Messages | SNA Applications, SnaServer (PU 2.1 Node), or SnaBase | 3270 emulator interface |
| Internal Messages | All software components for Host Integration Server | Intended for product support personnel |
| APPC Messages | SNA Applications, SnaServer (PU 2.1 Node), or SnaBase | Intended for product support personnel |
| Internal | All software components for Host Integration Server | Intended for product support personnel |