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Encode client-broker messages as json in HTTP body

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Send the client poll request and response in a json-encoded format in
the HTTP request body rather than sending the data in HTTP headers. This
will pave the way for using domain-fronting alternatives for the
Snowflake rendezvous.
This commit is contained in:
Cecylia Bocovich 2021-05-05 15:31:39 -04:00
parent ae7cc478fd
commit 270eb21803
7 changed files with 472 additions and 63 deletions
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22
client/lib/lib_test.go
View file

@ -176,7 +176,7 @@ func TestSnowflakeClient(t *testing.T) {
Convey("Rendezvous", t, func() {
transport := &MockTransport{
http.StatusOK,
[]byte(`{"type":"answer","sdp":"fake"}`),
[]byte(`{"answer": "{\"type\":\"answer\",\"sdp\":\"fake\"}" }`),
}
fakeOffer, err := util.DeserializeSessionDescription(`{"type":"offer","sdp":"test"}`)
if err != nil {
@ -209,26 +209,25 @@ func TestSnowflakeClient(t *testing.T) {
So(answer.SDP, ShouldResemble, "fake")
})
Convey("BrokerChannel.Negotiate fails with 503", func() {
Convey("BrokerChannel.Negotiate fails", func() {
b, err := NewBrokerChannel("test.broker", "",
&MockTransport{http.StatusServiceUnavailable, []byte("\n")},
&MockTransport{http.StatusOK, []byte(`{"error": "no snowflake proxies currently available"}`)},
false)
So(err, ShouldBeNil)
answer, err := b.Negotiate(fakeOffer)
So(err, ShouldNotBeNil)
So(answer, ShouldBeNil)
So(err.Error(), ShouldResemble, BrokerError503)
})
Convey("BrokerChannel.Negotiate fails with 400", func() {
Convey("BrokerChannel.Negotiate fails with unexpected error", func() {
b, err := NewBrokerChannel("test.broker", "",
&MockTransport{http.StatusBadRequest, []byte("\n")},
&MockTransport{http.StatusInternalServerError, []byte("\n")},
false)
So(err, ShouldBeNil)
answer, err := b.Negotiate(fakeOffer)
So(err, ShouldNotBeNil)
So(answer, ShouldBeNil)
So(err.Error(), ShouldResemble, BrokerError400)
So(err.Error(), ShouldResemble, BrokerErrorUnexpected)
})
Convey("BrokerChannel.Negotiate fails with large read", func() {
@ -242,15 +241,6 @@ func TestSnowflakeClient(t *testing.T) {
So(err.Error(), ShouldResemble, "unexpected EOF")
})
Convey("BrokerChannel.Negotiate fails with unexpected error", func() {
b, err := NewBrokerChannel("test.broker", "",
&MockTransport{123, []byte("")}, false)
So(err, ShouldBeNil)
answer, err := b.Negotiate(fakeOffer)
So(err, ShouldNotBeNil)
So(answer, ShouldBeNil)
So(err.Error(), ShouldResemble, BrokerErrorUnexpected)
})
})
}