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Bluetooth: Sleep instead of dying on EOF

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am: 0d63f8af7c

Change-Id: I8f86685ba2000817dcfbdf566449826b121936dd
This commit is contained in:
Myles Watson
2018-01-10 01:38:39 +00:00
committed by android-build-merger
parent fc0e8c6f48 0d63f8af7c
commit e63d6a08ce
2 changed files with 18 additions and 9 deletions
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6
bluetooth/1.0/default/h4_protocol.cc
View File

@@ -71,8 +71,10 @@ void H4Protocol::OnDataReady(int fd) {
ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, 1));
if (bytes_read != 1) {
if (bytes_read == 0) {
LOG_ALWAYS_FATAL("%s: Unexpected EOF reading the packet type!",
__func__);
// This is only expected if the UART got closed when shutting down.
ALOGE("%s: Unexpected EOF reading the packet type!", __func__);
sleep(5); // Expect to be shut down within 5 seconds.
return;
} else if (bytes_read < 0) {
LOG_ALWAYS_FATAL("%s: Read packet type error: %s", __func__,
strerror(errno));

21
bluetooth/1.0/default/hci_packetizer.cc
View File

@@ -56,9 +56,13 @@ void HciPacketizer::OnDataReady(int fd, HciPacketType packet_type) {
ssize_t bytes_read = TEMP_FAILURE_RETRY(
read(fd, preamble_ + bytes_read_,
preamble_size_for_type[packet_type] - bytes_read_));
if (bytes_read <= 0) {
LOG_ALWAYS_FATAL_IF((bytes_read == 0),
"%s: Unexpected EOF reading the header!", __func__);
if (bytes_read == 0) {
// This is only expected if the UART got closed when shutting down.
ALOGE("%s: Unexpected EOF reading the header!", __func__);
sleep(5); // Expect to be shut down within 5 seconds.
return;
}
if (bytes_read < 0) {
LOG_ALWAYS_FATAL("%s: Read header error: %s", __func__,
strerror(errno));
}
@@ -80,10 +84,13 @@ void HciPacketizer::OnDataReady(int fd, HciPacketType packet_type) {
fd,
packet_.data() + preamble_size_for_type[packet_type] + bytes_read_,
bytes_remaining_));
if (bytes_read <= 0) {
LOG_ALWAYS_FATAL_IF((bytes_read == 0),
"%s: Unexpected EOF reading the payload!",
__func__);
if (bytes_read == 0) {
// This is only expected if the UART got closed when shutting down.
ALOGE("%s: Unexpected EOF reading the payload!", __func__);
sleep(5); // Expect to be shut down within 5 seconds.
return;
}
if (bytes_read < 0) {
LOG_ALWAYS_FATAL("%s: Read payload error: %s", __func__,
strerror(errno));
}