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commit 657c5b6cadcef470c7ff9bffed3caab227026e6a Author: Neels Hofmeyr neels@hofmeyr.de Date: Mon Sep 18 16:42:06 2017 +0200

vty: derive node name from prompt, use as XML ids

The 'show online-help' produces XML output with <node id="..."> ids. We reference those from the osmo-gsm-manuals.

Instead of numeric IDs coming from internal code, rather use a human-readable node ID -- referencing id='config-msc' is much easier than referencing id='23'.

Add a char name[] to struct cmd_node, to hold this name. This may be provided upon struct definition.

Since callers of the VTY API so far don't have a name yet, we would need to add names everywhere to get meaningful node IDs. There is a way to get node ID names without touching dependent code:

My first idea was to find out which command entered the node, i.e. command 'msc' enters the MSC_NODE. But it is impossible to derive which command entered which node from data structs, it's hidden in the vty command definition.

But in fact all (TM) known API callers indeed provide a prompt string that contains a logical and human readable string name. Thus, if the name is unset in the struct, parse the prompt string and strip all "weird" characters to obtain a node name from that. We can still set names later on, but for now will have meaningful node IDs (e.g. 'config-msc' from '%s(config-msc)# ') without touching any dependent code.

When VTY nodes get identical node names, which is quite possible, the XML export de-dups these by appending _2, _3,... suffixes. The first occurence is called e.g. 'name', the second 'name_2', then 'name_3', and so forth.

If a node has no name (even after parsing the prompt), it will be named merely by the suffix. The first empty node will become id='_1', then '_2', '_3', and so forth. This happens for nodes like VIEW_NODE or AUTH_NODE.

If this is merged, we need to adjust the references in osmo-gsm-manuals.git. This can happen in our own time though, because we manually create the vty reference xml and copy it to the osmo-gsm-manuals.git and then update the references from the vty_additions.xml. This anyway has to happen because currently the references tend to be hopelessly out of sync anyway, placing comments at wildly unrelated VTY commands.

Change-Id: I8fa555570268b231c5e01727c661da92fad265de

http://cgit.osmocom.org/libosmocore/commit/?id=0b723f6a6cdc4171ee67ddd8d8c1b...

commit 0b723f6a6cdc4171ee67ddd8d8c1bb812fb4cf06 Author: Neels Hofmeyr neels@hofmeyr.de Date: Mon Sep 18 17:10:36 2017 +0200

vty: use internal node id for xml ids

The 'show online-help' produces XML output with <node id="..."> ids. We reference those from the osmo-gsm-manuals, but until now, these ids fall out of sync when the amount of VTY nodes changes.

Change these ids to use the internal node ID constant (as in enum bsc_vty_node) instead of a simple counter.

If this is merged, we need to adjust the references in osmo-gsm-manuals.git.

Change-Id: Ib07fb9d9106e19f5be6539493e82b5d5991f8bc2

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Summary of changes: include/osmocom/vty/command.h | 5 +++++ src/vty/command.c | 47 ++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 51 insertions(+), 1 deletion(-)

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