am e1bbb869: am 19467ab3: am 28c60e6e: am d20107df: Merge "Add trivial retransmission of QUIC packets" into mnc-dev
* commit 'e1bbb86947e2933f192b760e25551d0edc00597d': Add trivial retransmission of QUIC packets
This commit is contained in:
@@ -93,7 +93,8 @@ static const int kSockaddrStrLen = INET6_ADDRSTRLEN + strlen("[]:65535");
|
||||
void sockaddr_ntop(const struct sockaddr *sa, socklen_t salen, char *dst, const size_t size) {
|
||||
char addrstr[INET6_ADDRSTRLEN];
|
||||
char portstr[sizeof("65535")];
|
||||
char buf[sizeof(addrstr) + sizeof(portstr) + sizeof("[]:")];
|
||||
char buf[kSockaddrStrLen+1];
|
||||
|
||||
int ret = getnameinfo(sa, salen,
|
||||
addrstr, sizeof(addrstr),
|
||||
portstr, sizeof(portstr),
|
||||
@@ -106,7 +107,7 @@ void sockaddr_ntop(const struct sockaddr *sa, socklen_t salen, char *dst, const
|
||||
sprintf(buf, "???");
|
||||
}
|
||||
|
||||
strlcpy(dst, buf, (strlen(buf) < size - 1) ? strlen(buf) : size - 1);
|
||||
strlcpy(dst, buf, size);
|
||||
}
|
||||
|
||||
JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
|
||||
@@ -122,7 +123,8 @@ JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
|
||||
struct addrinfo *res = NULL;
|
||||
net_handle_t handle = (net_handle_t) nethandle;
|
||||
|
||||
int rval = android_getaddrinfofornetwork(handle, kHostname, "443", &kHints, &res);
|
||||
static const char kPort[] = "443";
|
||||
int rval = android_getaddrinfofornetwork(handle, kHostname, kPort, &kHints, &res);
|
||||
if (rval != 0) {
|
||||
ALOGD("android_getaddrinfofornetwork(%llu, %s) returned rval=%d errno=%d",
|
||||
handle, kHostname, rval, errno);
|
||||
@@ -148,9 +150,9 @@ JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
|
||||
return -errno;
|
||||
}
|
||||
|
||||
char addrstr[kSockaddrStrLen];
|
||||
char addrstr[kSockaddrStrLen+1];
|
||||
sockaddr_ntop(res->ai_addr, res->ai_addrlen, addrstr, sizeof(addrstr));
|
||||
ALOGD("Attempting connect() to %s...", addrstr);
|
||||
ALOGD("Attempting connect() to %s ...", addrstr);
|
||||
|
||||
rval = connect(fd, res->ai_addr, res->ai_addrlen);
|
||||
if (rval != 0) {
|
||||
@@ -170,10 +172,12 @@ JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
|
||||
ALOGD("... from %s", addrstr);
|
||||
|
||||
// Don't let reads or writes block indefinitely.
|
||||
const struct timeval timeo = { 5, 0 }; // 5 seconds
|
||||
const struct timeval timeo = { 2, 0 }; // 2 seconds
|
||||
setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeo, sizeof(timeo));
|
||||
setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo));
|
||||
|
||||
// For reference see:
|
||||
// https://tools.ietf.org/html/draft-tsvwg-quic-protocol-01#section-6.1
|
||||
uint8_t quic_packet[] = {
|
||||
0x0c, // public flags: 64bit conn ID, 8bit sequence number
|
||||
0, 0, 0, 0, 0, 0, 0, 0, // 64bit connection ID
|
||||
@@ -184,19 +188,36 @@ JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
|
||||
|
||||
arc4random_buf(quic_packet + 1, 8); // random connection ID
|
||||
|
||||
ssize_t sent = send(fd, quic_packet, sizeof(quic_packet), 0);
|
||||
if (sent < (ssize_t)sizeof(quic_packet)) {
|
||||
ALOGD("send(QUIC packet) returned sent=%zd, errno=%d", sent, errno);
|
||||
close(fd);
|
||||
return -errno;
|
||||
}
|
||||
|
||||
uint8_t response[1500];
|
||||
ssize_t rcvd = recv(fd, response, sizeof(response), 0);
|
||||
ssize_t sent, rcvd;
|
||||
static const int MAX_RETRIES = 5;
|
||||
int i, errnum = 0;
|
||||
|
||||
for (i = 0; i < MAX_RETRIES; i++) {
|
||||
sent = send(fd, quic_packet, sizeof(quic_packet), 0);
|
||||
if (sent < (ssize_t)sizeof(quic_packet)) {
|
||||
errnum = errno;
|
||||
ALOGD("send(QUIC packet) returned sent=%zd, errno=%d", sent, errnum);
|
||||
close(fd);
|
||||
return -errnum;
|
||||
}
|
||||
|
||||
rcvd = recv(fd, response, sizeof(response), 0);
|
||||
if (rcvd > 0) {
|
||||
break;
|
||||
} else {
|
||||
errnum = errno;
|
||||
ALOGD("[%d/%d] recv(QUIC response) returned rcvd=%zd, errno=%d",
|
||||
i + 1, MAX_RETRIES, rcvd, errnum);
|
||||
}
|
||||
}
|
||||
if (rcvd < sent) {
|
||||
ALOGD("recv() returned rcvd=%zd, errno=%d", rcvd, errno);
|
||||
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);
|
||||
}
|
||||
close(fd);
|
||||
return -errno;
|
||||
return -EPROTO;
|
||||
}
|
||||
|
||||
int conn_id_cmp = memcmp(quic_packet + 1, response + 1, 8);
|
||||
|
||||
Reference in New Issue
Block a user