llvm-project/lldb/source/Plugins/Platform/Android/PlatformAndroidRemoteGDBSer...

138 lines
3.6 KiB
C++

//===-- PlatformAndroidRemoteGDBServer.cpp ----------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Other libraries and framework includes
#include "lldb/Core/Error.h"
#include "lldb/Core/Log.h"
// Project includes
#include "AdbClient.h"
#include "PlatformAndroidRemoteGDBServer.h"
#include "Utility/UriParser.h"
using namespace lldb;
using namespace lldb_private;
using namespace platform_android;
static const lldb::pid_t g_remote_platform_pid = 0; // Alias for the process id of lldb-platform
static Error
ForwardPortWithAdb (uint16_t port, std::string& device_id)
{
Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_PLATFORM));
AdbClient adb;
auto error = AdbClient::CreateByDeviceID(device_id, adb);
if (error.Fail ())
return error;
device_id = adb.GetDeviceID();
if (log)
log->Printf("Connected to Android device \"%s\"", device_id.c_str ());
return adb.SetPortForwarding(port);
}
static Error
DeleteForwardPortWithAdb (uint16_t port, const std::string& device_id)
{
AdbClient adb (device_id);
return adb.DeletePortForwarding (port);
}
PlatformAndroidRemoteGDBServer::PlatformAndroidRemoteGDBServer ()
{
}
PlatformAndroidRemoteGDBServer::~PlatformAndroidRemoteGDBServer ()
{
for (const auto& it : m_port_forwards)
DeleteForwardPortWithAdb(it.second, m_device_id);
}
uint16_t
PlatformAndroidRemoteGDBServer::LaunchGDBserverAndGetPort (lldb::pid_t &pid)
{
uint16_t port = m_gdb_client.LaunchGDBserverAndGetPort (pid, "127.0.0.1");
if (port == 0)
return port;
Error error = ForwardPortWithAdb(port, m_device_id);
if (error.Fail ())
return 0;
m_port_forwards[pid] = port;
return port;
}
bool
PlatformAndroidRemoteGDBServer::KillSpawnedProcess (lldb::pid_t pid)
{
DeleteForwardPort (pid);
return m_gdb_client.KillSpawnedProcess (pid);
}
Error
PlatformAndroidRemoteGDBServer::ConnectRemote (Args& args)
{
m_device_id.clear();
if (args.GetArgumentCount() != 1)
return Error("\"platform connect\" takes a single argument: <connect-url>");
int port;
std::string scheme, host, path;
const char *url = args.GetArgumentAtIndex (0);
if (!url)
return Error("URL is null.");
if (!UriParser::Parse (url, scheme, host, port, path))
return Error("Invalid URL: %s", url);
if (scheme == "adb")
m_device_id = host;
Error error = ForwardPortWithAdb(port, m_device_id);
if (error.Fail())
return error;
m_port_forwards[g_remote_platform_pid] = port;
error = PlatformRemoteGDBServer::ConnectRemote(args);
if (error.Fail ())
DeleteForwardPort (g_remote_platform_pid);
return error;
}
Error
PlatformAndroidRemoteGDBServer::DisconnectRemote ()
{
DeleteForwardPort (g_remote_platform_pid);
return PlatformRemoteGDBServer::DisconnectRemote ();
}
void
PlatformAndroidRemoteGDBServer::DeleteForwardPort (lldb::pid_t pid)
{
Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PLATFORM));
auto it = m_port_forwards.find(pid);
if (it == m_port_forwards.end())
return;
const auto port = it->second;
const auto error = DeleteForwardPortWithAdb(port, m_device_id);
if (error.Fail()) {
if (log)
log->Printf("Failed to delete port forwarding (pid=%" PRIu64 ", port=%d, device=%s): %s",
pid, port, m_device_id.c_str(), error.AsCString());
}
m_port_forwards.erase(it);
}