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fix error code when there are no common version in version negotiation

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This commit is contained in:
Marten Seemann 2017-01-18 10:22:04 +07:00
parent 16448cb2db
commit f286ba3d36
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GPG key ID: 3603F40B121FCDEA
2 changed files with 12 additions and 5 deletions
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13
client.go
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@ -38,7 +38,6 @@ var errHostname = errors.New("Invalid hostname")
var (
errCloseSessionForNewVersion = errors.New("closing session in order to recreate it with a new version")
errInvalidVersionNegotiation = qerr.Error(qerr.InvalidVersionNegotiationPacket, "Server already supports client's version and should have accepted the connection.")
)
// NewClient makes a new client
@ -153,11 +152,19 @@ func (c *Client) handlePacket(packet []byte) error {
}
if hdr.VersionFlag {
// check if the server sent the offered version in supported versions
var hasCommonVersion bool // check if we're supporting any of the offered versions
for _, v := range hdr.SupportedVersions {
// check if the server sent the offered version in supported versions
if v == c.version {
return errInvalidVersionNegotiation
return qerr.Error(qerr.InvalidVersionNegotiationPacket, "Server already supports client's version and should have accepted the connection.")
}
if v != protocol.VersionUnsupported {
hasCommonVersion = true
}
}
if !hasCommonVersion {
utils.Infof("No common version found.")
return qerr.InvalidVersion
}
ok, highestSupportedVersion := protocol.HighestSupportedVersion(hdr.SupportedVersions)

4
client_test.go
View file

@ -228,7 +228,7 @@ var _ = Describe("Client", func() {
It("errors if no matching version is found", func() {
err := client.handlePacket(getVersionNegotiation([]protocol.VersionNumber{1}))
Expect(err).To(MatchError(qerr.VersionNegotiationMismatch))
Expect(err).To(MatchError(qerr.InvalidVersion))
})
It("ignores delayed version negotiation packets", func() {
@ -244,7 +244,7 @@ var _ = Describe("Client", func() {
It("errors if the server should have accepted the offered version", func() {
err := client.handlePacket(getVersionNegotiation([]protocol.VersionNumber{client.version}))
Expect(err).To(MatchError(errInvalidVersionNegotiation))
Expect(err).To(MatchError(qerr.Error(qerr.InvalidVersionNegotiationPacket, "Server already supports client's version and should have accepted the connection.")))
})
})
})