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#pragma once
#include "smb.hpp"
#include "system.hpp"
namespace interfaces
{
struct MountPointStateMachine;
}
namespace resource
{
class Error : public std::runtime_error
{
public:
Error(std::errc errorCode, std::string message) :
std::runtime_error(message), errorCode(errorCode)
{
}
const std::errc errorCode;
};
class Directory
{
public:
Directory() = delete;
Directory(const Directory&) = delete;
Directory(Directory&& other) = delete;
Directory& operator=(const Directory&) = delete;
Directory& operator=(Directory&& other) = delete;
explicit Directory(std::filesystem::path name) :
path(std::filesystem::temp_directory_path() / name)
{
std::error_code ec;
if (!std::filesystem::create_directory(path, ec))
{
LogMsg(Logger::Error, ec,
" : Unable to create mount directory: ", path);
throw Error(std::errc::io_error,
"Failed to create mount directory");
}
}
~Directory()
{
std::error_code ec;
if (!std::filesystem::remove(path, ec))
{
LogMsg(Logger::Error, ec, " : Unable to remove directory ", path);
}
}
std::filesystem::path getPath() const
{
return path;
}
private:
std::filesystem::path path;
};
class Mount
{
public:
Mount() = delete;
Mount(const Mount&) = delete;
Mount(Mount&& other) = delete;
Mount& operator=(const Mount&) = delete;
Mount& operator=(Mount&& other) = delete;
explicit Mount(
std::unique_ptr<Directory> directory, SmbShare& smb,
const std::filesystem::path& remote, bool rw,
const std::unique_ptr<utils::CredentialsProvider>& credentials) :
directory(std::move(directory))
{
if (!smb.mount(remote, rw, credentials))
{
throw Error(std::errc::invalid_argument,
"Failed to mount CIFS share");
}
}
~Mount()
{
if (int result = ::umount(directory->getPath().string().c_str()))
{
LogMsg(Logger::Error, result, " : Unable to unmout directory ",
directory->getPath());
}
}
std::filesystem::path getPath() const
{
return directory->getPath();
}
private:
std::unique_ptr<Directory> directory;
};
class Process
{
public:
Process() = delete;
Process(const Process&) = delete;
Process(Process&& other) = delete;
Process& operator=(const Process&) = delete;
Process& operator=(Process&& other) = delete;
Process(interfaces::MountPointStateMachine& machine,
std::shared_ptr<::Process> process) :
machine(&machine),
process(std::move(process))
{
if (!this->process)
{
throw Error(std::errc::io_error, "Failed to create process");
}
}
~Process();
template <class... Args>
auto spawn(Args&&... args)
{
if (process->spawn(std::forward<Args>(args)...))
{
spawned = true;
return true;
}
return false;
}
private:
interfaces::MountPointStateMachine* machine;
std::shared_ptr<::Process> process = nullptr;
bool spawned = false;
};
class Gadget
{
public:
Gadget() = delete;
Gadget& operator=(const Gadget&) = delete;
Gadget& operator=(Gadget&& other) = delete;
Gadget(const Gadget&) = delete;
Gadget(Gadget&& other) = delete;
Gadget(interfaces::MountPointStateMachine& machine, StateChange devState);
~Gadget();
private:
interfaces::MountPointStateMachine* machine;
int32_t status;
};
} // namespace resource
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