go-sccp: SCCP in Golang
Package sccp provides simple and painless handling of SCCP(Signaling Connection Control Part) in SS7/SIGTRAN stack, implemented in the Go Programming Language.
Disclaimer
This is still an experimental project, and currently in its very early stage of development. Any part of implementations(including exported APIs) may be changed before released as v1.0.0.
Getting started
The following package should be installed before getting started.
go get -u github.com/google/go-cmp
go get -u github.com/pascaldekloe/goe
go get -u github.com/pkg/errors
If you use Go 1.11+, you can also use Go Modules.
GO111MODULE=on go [test | build | run | etc...]
Supported Features
Message Types
| Message type | Abbreviation | Reference | Supported? |
|---|---|---|---|
| Connection request | CR | 4.2 | - |
| Connection confirm | CC | 4.3 | - |
| Connection refused | CREF | 4.4 | - |
| Released | RLSD | 4.5 | - |
| Release complete | RLC | 4.6 | - |
| Data form 1 | DT1 | 4.7 | - |
| Data form 2 | DT2 | 4.8 | - |
| Data acknowledgement | AK | 4.9 | - |
| Unitdata | UDT | 4.10 | Yes |
| Unitdata service | UDTS | 4.11 | - |
| Expedited data | ED | 4.12 | - |
| Expedited data acknowledgement | EA | 4.13 | - |
| Reset request | RSR | 4.14 | - |
| Reset confirm | RSC | 4.15 | - |
| Protocol data unit error | ERR | 4.16 | - |
| Inactivity test | IT | 4.17 | - |
| Extended unitdata | XUDT | 4.18 | - |
| Extended unitdata service | XUDTS | 4.19 | - |
| Long unitdata | LUDT | 4.20 | - |
| Long unitdata service | LUDTS | 4.21 | - |
Parameters
| Parameter name | Reference | Supported? |
|---|---|---|
| End of optional parameters | 3.1 | |
| Destination local reference | 3.2 | |
| Source local reference | 3.3 | |
| Called party address | 3.4 | Yes |
| Calling party address | 3.5 | Yes |
| Protocol class | 3.6 | Yes |
| Segmenting/reassembling | 3.7 | |
| Receive sequence number | 3.8 | |
| Sequencing/segmenting | 3.9 | |
| Credit | 3.10 | |
| Release cause | 3.11 | |
| Return cause | 3.12 | |
| Reset cause | 3.13 | |
| Error cause | 3.14 | |
| Refusal cause | 3.15 | |
| Data | 3.16 | Yes |
| Segmentation | 3.17 | |
| Hop counter | 3.18 | |
| Importance | 3.19 | |
| Long data | 3.20 |
Author(s)
Yoshiyuki Kurauchi (My Website / Twitter)
I'm always open to welcome co-authors! Please feel free to talk to me.