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//===-- SBCommunication.cpp -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBCommunication.h"
#include "lldb/API/SBBroadcaster.h"
#include "lldb/Core/Communication.h"
#include "lldb/Host/ConnectionFileDescriptor.h"
#include "lldb/Host/Host.h"
#include "lldb/Utility/Log.h"
using namespace lldb;
using namespace lldb_private;
SBCommunication::SBCommunication() : m_opaque(NULL), m_opaque_owned(false) {}
SBCommunication::SBCommunication(const char *broadcaster_name)
: m_opaque(new Communication(broadcaster_name)), m_opaque_owned(true) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommunication::SBCommunication (broadcaster_name=\"%s\") => "
"SBCommunication(%p)",
broadcaster_name, static_cast<void *>(m_opaque));
}
SBCommunication::~SBCommunication() {
if (m_opaque && m_opaque_owned)
delete m_opaque;
m_opaque = NULL;
m_opaque_owned = false;
}
bool SBCommunication::IsValid() const { return m_opaque != NULL; }
bool SBCommunication::GetCloseOnEOF() {
if (m_opaque)
return m_opaque->GetCloseOnEOF();
return false;
}
void SBCommunication::SetCloseOnEOF(bool b) {
if (m_opaque)
m_opaque->SetCloseOnEOF(b);
}
ConnectionStatus SBCommunication::Connect(const char *url) {
if (m_opaque) {
if (!m_opaque->HasConnection())
m_opaque->SetConnection(Host::CreateDefaultConnection(url).release());
return m_opaque->Connect(url, NULL);
}
return eConnectionStatusNoConnection;
}
ConnectionStatus SBCommunication::AdoptFileDesriptor(int fd, bool owns_fd) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
ConnectionStatus status = eConnectionStatusNoConnection;
if (m_opaque) {
if (m_opaque->HasConnection()) {
if (m_opaque->IsConnected())
m_opaque->Disconnect();
}
m_opaque->SetConnection(new ConnectionFileDescriptor(fd, owns_fd));
if (m_opaque->IsConnected())
status = eConnectionStatusSuccess;
else
status = eConnectionStatusLostConnection;
}
if (log)
log->Printf(
"SBCommunication(%p)::AdoptFileDescriptor (fd=%d, ownd_fd=%i) => %s",
static_cast<void *>(m_opaque), fd, owns_fd,
Communication::ConnectionStatusAsCString(status));
return status;
}
ConnectionStatus SBCommunication::Disconnect() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
ConnectionStatus status = eConnectionStatusNoConnection;
if (m_opaque)
status = m_opaque->Disconnect();
if (log)
log->Printf("SBCommunication(%p)::Disconnect () => %s",
static_cast<void *>(m_opaque),
Communication::ConnectionStatusAsCString(status));
return status;
}
bool SBCommunication::IsConnected() const {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
bool result = false;
if (m_opaque)
result = m_opaque->IsConnected();
if (log)
log->Printf("SBCommunication(%p)::IsConnected () => %i",
static_cast<void *>(m_opaque), result);
return false;
}
size_t SBCommunication::Read(void *dst, size_t dst_len, uint32_t timeout_usec,
ConnectionStatus &status) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommunication(%p)::Read (dst=%p, dst_len=%" PRIu64
", timeout_usec=%u, &status)...",
static_cast<void *>(m_opaque), static_cast<void *>(dst),
static_cast<uint64_t>(dst_len), timeout_usec);
size_t bytes_read = 0;
Timeout<std::micro> timeout = timeout_usec == UINT32_MAX
? Timeout<std::micro>(llvm::None)
: std::chrono::microseconds(timeout_usec);
if (m_opaque)
bytes_read = m_opaque->Read(dst, dst_len, timeout, status, NULL);
else
status = eConnectionStatusNoConnection;
if (log)
log->Printf("SBCommunication(%p)::Read (dst=%p, dst_len=%" PRIu64
", timeout_usec=%u, &status=%s) => %" PRIu64,
static_cast<void *>(m_opaque), static_cast<void *>(dst),
static_cast<uint64_t>(dst_len), timeout_usec,
Communication::ConnectionStatusAsCString(status),
static_cast<uint64_t>(bytes_read));
return bytes_read;
}
size_t SBCommunication::Write(const void *src, size_t src_len,
ConnectionStatus &status) {
size_t bytes_written = 0;
if (m_opaque)
bytes_written = m_opaque->Write(src, src_len, status, NULL);
else
status = eConnectionStatusNoConnection;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommunication(%p)::Write (src=%p, src_len=%" PRIu64
", &status=%s) => %" PRIu64,
static_cast<void *>(m_opaque), static_cast<const void *>(src),
static_cast<uint64_t>(src_len),
Communication::ConnectionStatusAsCString(status),
static_cast<uint64_t>(bytes_written));
return 0;
}
bool SBCommunication::ReadThreadStart() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
bool success = false;
if (m_opaque)
success = m_opaque->StartReadThread();
if (log)
log->Printf("SBCommunication(%p)::ReadThreadStart () => %i",
static_cast<void *>(m_opaque), success);
return success;
}
bool SBCommunication::ReadThreadStop() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommunication(%p)::ReadThreadStop ()...",
static_cast<void *>(m_opaque));
bool success = false;
if (m_opaque)
success = m_opaque->StopReadThread();
if (log)
log->Printf("SBCommunication(%p)::ReadThreadStop () => %i",
static_cast<void *>(m_opaque), success);
return success;
}
bool SBCommunication::ReadThreadIsRunning() {
bool result = false;
if (m_opaque)
result = m_opaque->ReadThreadIsRunning();
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommunication(%p)::ReadThreadIsRunning () => %i",
static_cast<void *>(m_opaque), result);
return result;
}
bool SBCommunication::SetReadThreadBytesReceivedCallback(
ReadThreadBytesReceived callback, void *callback_baton) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
bool result = false;
if (m_opaque) {
m_opaque->SetReadThreadBytesReceivedCallback(callback, callback_baton);
result = true;
}
if (log)
log->Printf("SBCommunication(%p)::SetReadThreadBytesReceivedCallback "
"(callback=%p, baton=%p) => %i",
static_cast<void *>(m_opaque),
reinterpret_cast<void *>(reinterpret_cast<intptr_t>(callback)),
static_cast<void *>(callback_baton), result);
return result;
}
SBBroadcaster SBCommunication::GetBroadcaster() {
SBBroadcaster broadcaster(m_opaque, false);
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBCommunication(%p)::GetBroadcaster () => SBBroadcaster (%p)",
static_cast<void *>(m_opaque),
static_cast<void *>(broadcaster.get()));
return broadcaster;
}
const char *SBCommunication::GetBroadcasterClass() {
return Communication::GetStaticBroadcasterClass().AsCString();
}
//
// void
// SBCommunication::CreateIfNeeded ()
//{
// if (m_opaque == NULL)
// {
// static uint32_t g_broadcaster_num;
// char broadcaster_name[256];
// ::snprintf (name, broadcaster_name, "%p SBCommunication", this);
// m_opaque = new Communication (broadcaster_name);
// m_opaque_owned = true;
// }
// assert (m_opaque);
//}
//
//
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