8000 chore: rework RPC version negotiation by deansheather · Pull Request #15687 · coder/coder · GitHub
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chore: rework RPC version negotiation #15687

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Merged
merged 5 commits into from
Dec 4, 2024
Merged

chore: rework RPC version negotiation #15687

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292c741
chore: rework RPC version negotiation
deansheather Nov 29, 2024
6fa4220
fixup! chore: rework RPC version negotiation
deansheather Dec 4, 2024
ccb1ad0
fixup! chore: rework RPC version negotiation
deansheather Dec 4, 2024
54dd615
Merge branch 'main' into dean/rpc-version-rework
deansheather Dec 4, 2024
60b20de
fixup! fixup! chore: rework RPC version negotiation
deansheather Dec 4, 2024
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fixup! chore: rework RPC version negotiation
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@deansheather
deansheather committed Dec 4, 2024
commit 6fa42207726826f552f007277c54a387d6fa5bbc
4 changes: 2 additions & 2 deletions vpn/speaker_internal_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ func TestSpeaker_RawPeer(t *testing.T) {
require.NoError(t, err)
require.Equal(t, expectedHandshake, string(b[:n]))

_, err = mp.Write([]byte("codervpn manager 1.0\n"))
_, err = mp.Write([]byte("codervpn manager 1.3,2.1\n"))
require.NoError(t, err)

err = testutil.RequireRecvCtx(ctx, t, errCh)
Expand Down Expand Up @@ -179,7 +179,7 @@ func TestSpeaker_HandshakeInvalid(t *testing.T) {
}{
{name: "preamble", handshake: "ssh manager 1.0\n"},
{name: "2components", handshake: "ssh manager\n"},
{name: "newmajor", handshake: "codervpn manager 2.0\n"},
{name: "newmajors", handshake: "codervpn manager 2.0,3.0\n"},
{name: "0version", handshake: "codervpn 0.1 manager\n"},
{name: "unknown_role", handshake: "codervpn 1.0 supervisor\n"},
{name: "unexpected_role", handshake: "codervpn 1.0 tunnel\n"},
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11 changes: 7 additions & 4 deletions vpn/version.go
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Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,7 @@ func ParseRPCVersionList(str string) (RPCVersionList, error) {
for i, v := range split {
version, err := ParseRPCVersion(v)
if err != nil {
return RPCVersionList{}, xerrors.Errorf("invalid version string: %s", v)
return RPCVersionList{}, xerrors.Errorf("invalid version list: %s", str)
}
versions[i] = version
}
Expand All @@ -105,11 +105,14 @@ func (vl RPCVersionList) Validate() error {
if len(vl.Versions) == 0 {
return xerrors.New("no versions")
}
for i := 1; i < len(vl.Versions); i++ {
if vl.Versions[i-1].Major == vl.Versions[i].Major {
for i := 0; i < len(vl.Versions); i++ {
if vl.Versions[i].Major == 0 {
return xerrors.Errorf("invalid version: %s", vl.Versions[i].String())
}
if i > 0 && vl.Versions[i-1].Major == vl.Versions[i].Major {
return xerrors.Errorf("duplicate major version: %d", vl.Versions[i].Major)
}
if vl.Versions[i-1].Major > vl.Versions[i].Major {
if i > 0 && vl.Versions[i-1].Major > vl.Versions[i].Major {
return xerrors.Errorf("versions are not sorted")
}
}
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