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// Copyright 2015 The Weave Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <weave/device.h>
#include <weave/enum_to_string.h>
#include <base/bind.h>
#include <base/memory/weak_ptr.h>
namespace weave {
namespace lockstate {
enum class LockState { kUnlocked, kLocked, kPartiallyLocked };
const weave::EnumToStringMap<LockState>::Map kLockMapMethod[] = {
{LockState::kLocked, "locked"},
{LockState::kUnlocked, "unlocked"},
{LockState::kPartiallyLocked, "partiallyLocked"}};
} // namespace lockstate
template <>
EnumToStringMap<lockstate::LockState>::EnumToStringMap()
: EnumToStringMap(lockstate::kLockMapMethod) {}
namespace examples {
namespace daemon {
// LockHandler is a command handler example that shows
// how to handle commands for a Weave lock.
class LockHandler {
public:
LockHandler() = default;
void Register(Device* device) {
device_ = device;
device->AddStateDefinitionsFromJson(R"({
"lock": {"lockedState": ["locked", "unlocked", "partiallyLocked"]}
})");
device->SetStatePropertiesFromJson(R"({
"lock":{"lockedState": "locked"}
})",
nullptr);
device->AddCommandDefinitionsFromJson(R"({
"lock": {
"setConfig":{
"parameters": {
"lockedState": ["locked", "unlocked"]
}
}
}
})");
device->AddCommandHandler(
"lock.setConfig",
base::Bind(&LockHandler::OnLockSetConfig,
weak_ptr_factory_.GetWeakPtr()));
}
private:
void OnLockSetConfig(const std::weak_ptr<Command>& command) {
auto cmd = command.lock();
if (!cmd)
return;
LOG(INFO) << "received command: " << cmd->GetName();
std::string requested_state;
if (cmd->GetParameters()->GetString("lockedState", &requested_state)) {
LOG(INFO) << cmd->GetName() << " state: " << requested_state;
lockstate::LockState new_lock_status;
if (!weave::StringToEnum(requested_state, &new_lock_status)) {
// Invalid lock state was specified.
ErrorPtr error;
Error::AddTo(&error, FROM_HERE, "example", "invalid_parameter_value",
"Invalid parameters");
cmd->Abort(error.get(), nullptr);
return;
}
if (new_lock_status != lock_state_) {
lock_state_ = new_lock_status;
LOG(INFO) << "Lock is now: " << requested_state;
UpdateLockState();
}
cmd->Complete({}, nullptr);
return;
}
ErrorPtr error;
Error::AddTo(&error, FROM_HERE, "example", "invalid_parameter_value",
"Invalid parameters");
cmd->Abort(error.get(), nullptr);
}
void UpdateLockState(void) {
base::DictionaryValue state;
std::string updated_state = weave::EnumToString(lock_state_);
state.SetString("lock.lockedState", updated_state);
device_->SetStateProperties(state, nullptr);
}
Device* device_{nullptr};
// Simulate the state of the light.
lockstate::LockState lock_state_{lockstate::LockState::kLocked};
base::WeakPtrFactory<LockHandler> weak_ptr_factory_{this};
};
} // namespace daemon
} // namespace examples
} // namespace weave
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