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removed bespoke stream semantics of l2cap socket and replaced with generic linux version

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This commit is contained in:
Lasan Mahaliyana
2026-06-19 11:27:37 +05:30
parent 14fbeb67c4
commit b504039bcb
3 changed files with 17 additions and 147 deletions
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internal/platform/implementation/linux/ble_l2cap_socket.cc
+3 -96
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@@ -34,101 +34,8 @@
namespace nearby {
namespace linux {
BleL2capInputStream::~BleL2capInputStream() {
Close();
}
ExceptionOr<ByteArray> BleL2capInputStream::Read(std::int64_t size) {
std::vector<char> buffer(size);
pollfd pfds[1];
pfds[0].fd = fd_raw_->get();
pfds[0].events = POLLIN;
ssize_t rcvd = 0;
while (rcvd < size) {
int r = poll(pfds, 1, -1);
if (r < 0) {
if (errno == EINTR) {
continue;
}
return Exception{Exception::kIo};
}
if (pfds[0].revents & POLLIN) {
auto r = recv(fd_raw_->get(), buffer.data() + rcvd, size - rcvd, 0);
if (r < 0) {
return Exception{Exception::kIo};
}
rcvd += r;
}
}
return ExceptionOr{ByteArray(std::string(buffer.begin(), buffer.end()))};
}
Exception BleL2capInputStream::Close() {
if (!fd_raw_->isValid()) return {Exception::kSuccess};
fd_raw_->reset();
return {Exception::kSuccess};
}
BleL2capOutputStream::~BleL2capOutputStream() {
Close();
}
Exception BleL2capOutputStream::Write(absl::string_view data) {
pollfd pfds[1];
pfds[0].fd = fd_raw_->get();
pfds[0].events = POLLOUT;
ssize_t sent = 0;
while (sent < data.size()) {
int r = poll(pfds, 1, -1);
if (r < 0) {
if (errno == EINTR) {
continue;
}
return Exception{Exception::kIo};
}
if (pfds[0].revents & POLLOUT) {
auto r = send(fd_raw_->get(), data.data() + sent, data.size(), 0);
if (r < 0) {
return Exception{Exception::kIo};
}
sent += r;
}
}
return {Exception::kSuccess};
}
Exception BleL2capOutputStream::Close() {
if (!fd_raw_->isValid()) return {Exception::kSuccess};
fd_raw_->reset();
return {Exception::kSuccess};
}
BleL2capSocket::BleL2capSocket(int fd,
api::ble::BlePeripheral::UniqueId peripheral_id,
std::string service_id)
: fd_(std::make_shared<sdbus::UnixFd>(fd)),
input_stream_(std::make_unique<BleL2capInputStream>(fd_)),
output_stream_(std::make_unique<BleL2capOutputStream>(fd_)),
peripheral_id_(peripheral_id) {}
BleL2capSocket::~BleL2capSocket() {
Close();
}
Exception BleL2capSocket::Close() {
if (!fd_->isValid()) return {Exception::kIo};
fd_->reset();
return {Exception::kSuccess};
}
void BleL2capSocket::SetCloseNotifier(absl::AnyInvocable<void()> notifier) {}
bool BleL2capSocket::IsClosed() const {
return closed_;
}
// Migrated from bespoke l2cap socket stream semantics to linux platform stream
// semantics
//
} // namespace linux
} // namespace nearby