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internal/pipewire: implement Core::Ping, Core::Pong
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I could not get the server to produce these events, however I am confident enough with the implementation to do it by hand.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2025-11-29 23:23:19 +09:00
parent de3fc7ba38
commit 4fd6d6c037
3 changed files with 138 additions and 2 deletions
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50
internal/pipewire/header_test.go
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@@ -335,6 +335,56 @@ func TestHeader(t *testing.T) {
Opcode: pipewire.PW_CORE_EVENT_DONE,
Size: 0x28, Sequence: 44, FileCount: 0,
}, nil},
/* handmade samples */
{"PW_CORE_EVENT_PING", []byte{
/* Id: */ 0, 0, 0, 0,
/* size: */ 0xed, 0xb, 0,
/* opcode: */ 2,
/* seq: */ 0xff, 0xff, 0, 0,
/* n_fds: */ 0xfe, 0xca, 0, 0,
}, pipewire.Header{
ID: pipewire.PW_ID_CORE,
Opcode: pipewire.PW_CORE_EVENT_PING,
Size: 0xbed, Sequence: 0xffff, FileCount: 0xcafe,
}, nil},
{"PW_CORE_EVENT_ERROR", []byte{
/* Id: */ 0, 0, 0, 0,
/* size: */ 0xad, 0xb, 0,
/* opcode: */ 3,
/* seq: */ 0xfe, 0xfe, 0, 0,
/* n_fds: */ 0xfe, 0xca, 0, 0,
}, pipewire.Header{
ID: pipewire.PW_ID_CORE,
Opcode: pipewire.PW_CORE_EVENT_ERROR,
Size: 0xbad, Sequence: 0xfefe, FileCount: 0xcafe,
}, nil},
{"PW_CORE_METHOD_PONG", []byte{
/* Id: */ 0, 0, 0, 0,
/* size: */ 0xed, 0xb, 0,
/* opcode: */ 3,
/* seq: */ 0xff, 0xff, 0, 0,
/* n_fds: */ 0xfe, 0xca, 0, 0,
}, pipewire.Header{
ID: pipewire.PW_ID_CORE,
Opcode: pipewire.PW_CORE_METHOD_PONG,
Size: 0xbed, Sequence: 0xffff, FileCount: 0xcafe,
}, nil},
{"PW_CORE_METHOD_ERROR", []byte{
/* Id: */ 0, 0, 0, 0,
/* size: */ 0xad, 0xb, 0,
/* opcode: */ 4,
/* seq: */ 0xfe, 0xfe, 0, 0,
/* n_fds: */ 0xfe, 0xca, 0, 0,
}, pipewire.Header{
ID: pipewire.PW_ID_CORE,
Opcode: pipewire.PW_CORE_METHOD_ERROR,
Size: 0xbad, Sequence: 0xfefe, FileCount: 0xcafe,
}, nil},
}.run(t)
t.Run("size range", func(t *testing.T) {