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//===-- 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));
// Fetch the device list from ADB and if only 1 device found then use that device
// TODO: Handle the case when more device is available
AdbClient adb;
auto error = AdbClient::CreateByDeviceID (nullptr, 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.first, it.second.second);
}
}
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;
std::string device_id;
Error error = ForwardPortWithAdb (port, device_id);
if (error.Fail ())
return 0;
m_port_forwards[pid] = std::make_pair (port, device_id);
return port;
}
bool
PlatformAndroidRemoteGDBServer::KillSpawnedProcess (lldb::pid_t pid)
{
DeleteForwardPort (pid);
return m_gdb_client.KillSpawnedProcess (pid);
}
Error
PlatformAndroidRemoteGDBServer::ConnectRemote (Args& args)
{
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 (!UriParser::Parse (url, scheme, host, port, path))
return Error ("invalid uri");
std::string device_id;
Error error = ForwardPortWithAdb (port, device_id);
if (error.Fail ())
return error;
m_port_forwards[g_remote_platform_pid] = std::make_pair (port, device_id);
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& forward_val = it->second;
const auto error = DeleteForwardPortWithAdb (forward_val.first, forward_val.second);
if (error.Fail ()) {
if (log)
log->Printf ("Failed to delete port forwarding (pid=%" PRIu64 ", port=%d, device=%s): %s",
pid, forward_val.first, forward_val.second.c_str (), error.AsCString ());
}
m_port_forwards.erase (it);
}
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