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LookupServer: Switch to LibIPC :^)

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The ad-hoc IPC we were doing with LookupServer was kinda gross. With this,
LookupServer is a regular IPC server. In the future, we want to add more APIs
for LookupServer to talk to its clients (such as DHCPClient telling LookupServer
about the DNS server discovered via DHCP, and DNS-SD client browsing for
services), which calls for a more expressive IPC format; this is what LibIPC is
perfect for.

While the LookupServer side is using the regular LibIPC mechanics and patterns,
the LibC side has to hand-roll LibIPC format serialization without actually
using LibIPC. We might be able to get rid of this in the future, but for now it
has to be like that. The good news is the format is not that bad at all.
This commit is contained in:
Sergey Bugaev 2021-02-05 13:20:05 +03:00 • committed by Andreas Kling
parent 314f966745
commit 547130584c
8 changed files with 273 additions and 74 deletions
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5
Userland/Services/LookupServer/LookupServer.ipc Normal file
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@ -0,0 +1,5 @@
endpoint LookupServer = 9001
{
LookupName(String name) => (int code, Vector<String> addresses)
LookupAddress(String address) => (int code, String name)
}