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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 "examples/daemon/common/daemon.h"
#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 weave
namespace {
const char kTraits[] = R"({
"lock": {
"commands": {
"setConfig": {
"minimalRole": "user",
"parameters": {
"lockedState": {
"type": "string",
"enum": [ "locked", "unlocked" ]
}
},
"errors": [ "jammed", "lockingNotSupported" ]
}
},
"state": {
"lockedState": {
"type": "string",
"enum": [ "locked", "unlocked", "partiallyLocked" ],
"isRequired": true
},
"isLockingSupported": {
"type": "boolean",
"isRequired": true
}
}
}
})";
const char kDefaultState[] = R"({
"lock":{"isLockingSupported": true}
})";
const char kComponent[] = "lock";
} // anonymous namespace
// LockHandler is a command handler example that shows
// how to handle commands for a Weave lock.
class LockHandler {
public:
LockHandler() = default;
void Register(weave::Device* device) {
device_ = device;
device->AddTraitDefinitionsFromJson(kTraits);
CHECK(device->AddComponent(kComponent, {"lock"}, nullptr));
CHECK(
device->SetStatePropertiesFromJson(kComponent, kDefaultState, nullptr));
UpdateLockState();
device->AddCommandHandler(kComponent, "lock.setConfig",
base::Bind(&LockHandler::OnLockSetConfig,
weak_ptr_factory_.GetWeakPtr()));
}
private:
void OnLockSetConfig(const std::weak_ptr<weave::Command>& command) {
auto cmd = command.lock();
if (!cmd)
return;
LOG(INFO) << "received command: " << cmd->GetName();
const auto& params = cmd->GetParameters();
std::string requested_state;
if (params.GetString("lockedState", &requested_state)) {
LOG(INFO) << cmd->GetName() << " state: " << requested_state;
weave::lockstate::LockState new_lock_status;
if (!weave::StringToEnum(requested_state, &new_lock_status)) {
// Invalid lock state was specified.
weave::ErrorPtr error;
weave::Error::AddTo(&error, FROM_HERE, "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;
}
weave::ErrorPtr error;
weave::Error::AddTo(&error, FROM_HERE, "invalid_parameter_value",
"Invalid parameters");
cmd->Abort(error.get(), nullptr);
}
void UpdateLockState() {
std::string updated_state = weave::EnumToString(lock_state_);
device_->SetStateProperty(kComponent, "lock.lockedState",
base::StringValue{updated_state}, nullptr);
}
weave::Device* device_{nullptr};
// Simulate the state of the light.
weave::lockstate::LockState lock_state_{weave::lockstate::LockState::kLocked};
base::WeakPtrFactory<LockHandler> weak_ptr_factory_{this};
};
int main(int argc, char** argv) {
Daemon::Options opts;
opts.model_id = "AOAAA";
if (!opts.Parse(argc, argv)) {
Daemon::Options::ShowUsage(argv[0]);
return 1;
}
Daemon daemon{opts};
LockHandler handler;
handler.Register(daemon.GetDevice());
daemon.Run();
return 0;
}
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