1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "host/commands/cvd/server_command/cmd_list.h"
18
19 #include <mutex>
20 #include <vector>
21
22 #include <android-base/strings.h>
23
24 #include "common/libs/fs/shared_buf.h"
25 #include "common/libs/utils/json.h"
26 #include "host/commands/cvd/server_command/server_handler.h"
27 #include "host/commands/cvd/server_command/utils.h"
28 #include "host/commands/cvd/types.h"
29
30 namespace cuttlefish {
31
32 class CvdCmdlistHandler : public CvdServerHandler {
33 public:
INJECT(CvdCmdlistHandler (CommandSequenceExecutor & executor))34 INJECT(CvdCmdlistHandler(CommandSequenceExecutor& executor))
35 : executor_(executor) {}
36
CanHandle(const RequestWithStdio & request) const37 Result<bool> CanHandle(const RequestWithStdio& request) const override {
38 auto invocation = ParseInvocation(request.Message());
39 return (invocation.command == "cmd-list");
40 }
41
Handle(const RequestWithStdio & request)42 Result<cvd::Response> Handle(const RequestWithStdio& request) override {
43 std::lock_guard interrupt_lock(interruptible_);
44 CF_EXPECT(!interrupted_, "Interrupted");
45
46 cvd::Response response;
47 response.mutable_command_response(); // Sets oneof member
48 response.mutable_status()->set_code(cvd::Status::OK);
49
50 CF_EXPECT(CanHandle(request));
51
52 auto [subcmd, subcmd_args] = ParseInvocation(request.Message());
53 const auto subcmds = executor_.CmdList();
54
55 std::vector<std::string> subcmds_vec{subcmds.begin(), subcmds.end()};
56 const auto subcmds_str = android::base::Join(subcmds_vec, ",");
57 Json::Value subcmd_info;
58 subcmd_info["subcmd"] = subcmds_str;
59 WriteAll(request.Out(), subcmd_info.toStyledString());
60 return response;
61 }
62
Interrupt()63 Result<void> Interrupt() override {
64 std::scoped_lock interrupt_lock(interruptible_);
65 interrupted_ = true;
66 CF_EXPECT(executor_.Interrupt());
67 return {};
68 }
69
70 // not intended to be used by the user
CmdList() const71 cvd_common::Args CmdList() const override { return {}; }
72
73 private:
74 std::mutex interruptible_;
75 bool interrupted_ = false;
76 CommandSequenceExecutor& executor_;
77 };
78
79 fruit::Component<fruit::Required<CommandSequenceExecutor>>
CvdCmdlistComponent()80 CvdCmdlistComponent() {
81 return fruit::createComponent()
82 .addMultibinding<CvdServerHandler, CvdCmdlistHandler>();
83 }
84
85 } // namespace cuttlefish
86