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Update the QUIC packet format.

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The QUIC packet format has changed again. Update the test to
ensure that the GFE can drop support for the old packet format
without causing all devices to fail CTS.

Packet format changes suggested by dschinazi@.

Bug: 170724836
Test: atest --rerun-until-failure 100 CtsNetTestCasesLatestSdk:MultinetworkApiTest#testNativeDatagramTransmission
Change-Id: I8625ac9a58c55fc19dfb9fdb5f34a89cee40caaf
Merged-In: I8625ac9a58c55fc19dfb9fdb5f34a89cee40caaf
(cherry picked from commit c2b9b83bf353a1fe0669e327fa03ddb024e4f21d)
This commit is contained in:
Lorenzo Colitti
2020-10-13 23:40:57 +09:00
parent af4499cf45
commit 25da49b7ff
1 changed files with 8 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
tests/cts/net/jni/NativeMultinetworkJni.c
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@@ -177,20 +177,16 @@ JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo));
// For reference see:
// https://tools.ietf.org/html/draft-tsvwg-quic-protocol#section-6.1
// https://datatracker.ietf.org/doc/html/draft-ietf-quic-invariants
uint8_t quic_packet[1200] = {
0x0d, // public flags:
// - version present (0x01),
// - 64bit connection ID (0x0c),
// - 1 byte packet number (0x00)
0xc0, // long header
0xaa, 0xda, 0xca, 0xca, // reserved-space version number
0x08, // destination connection ID length
0, 0, 0, 0, 0, 0, 0, 0, // 64bit connection ID
0xaa, 0xda, 0xca, 0xaa, // reserved-space version number
1, // 1 byte packet number
0x00, // private flags
0x07, // PING frame (cuz why not)
0x00, // source connection ID length
};
arc4random_buf(quic_packet + 1, 8); // random connection ID
arc4random_buf(quic_packet + 6, 8); // random connection ID
uint8_t response[1500];
ssize_t sent, rcvd;
@@ -215,7 +211,7 @@ JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
i + 1, MAX_RETRIES, rcvd, errnum);
}
}
if (rcvd < 9) {
if (rcvd < 15) {
ALOGD("QUIC UDP %s: sent=%zd but rcvd=%zd, errno=%d", kPort, sent, rcvd, errnum);
if (rcvd <= 0) {
ALOGD("Does this network block UDP port %s?", kPort);
@@ -224,7 +220,7 @@ JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
return -EPROTO;
}
int conn_id_cmp = memcmp(quic_packet + 1, response + 1, 8);
int conn_id_cmp = memcmp(quic_packet + 6, response + 7, 8);
if (conn_id_cmp != 0) {
ALOGD("sent and received connection IDs do not match");
close(fd);