Add powerbtn_cvd command

Triggers a power button event to:
- Wake up an instance when the instance is in S0ix/S3 power mode
- Switch the display mode when the instance is in S0 power mode

Test: Run `cvd powerbtn` to wake up a guest
Bug: 318540621
Change-Id: Ib4d1e1cede7a57739282974ab073f5c7c6da7526

9 files changed, 258 insertions, 123 deletions

diff --git a/build/Android.bp b/build/Android.bp
index e8abe8b4b..b9fd18d72 100644
--- a/build/Android.bp
+++ b/build/Android.bp
@@ -132,6 +132,7 @@ cvd_host_tools = [
     "newfs_msdos",
     "openwrt_control_server",
     "pica",
+    "powerbtn_cvd",
     "powerwash_cvd",
     "process_restarter",
     "process_sandboxer",
@@ -325,7 +326,7 @@ prebuilt_etc_host {
 }
 
 automotive_proxy_config = [
-    "automotive_proxy_config"
+    "automotive_proxy_config",
 ]
 
 cvd_host_avb_testkey = [
diff --git a/host/commands/cvd/doc/all_handlers.dot b/host/commands/cvd/doc/all_handlers.dot
index 13d041962..83f9b1f8d 100644
--- a/host/commands/cvd/doc/all_handlers.dot
+++ b/host/commands/cvd/doc/all_handlers.dot
@@ -42,6 +42,7 @@ digraph {
 
     launch_cvd
     restart_cvd
+    powerbtn_cvd
     powerwash_cvd
     all_cvd [label = "*_cvd"]
     cvd_status
@@ -84,6 +85,7 @@ digraph {
 
   CvdStartCommandHandler -> launch_cvd [label = "fork/exec"]
   CvdGenericCommandHandler -> restart_cvd [label = "fork/exec"]
+  CvdGenericCommandHandler -> powerbtn_cvd [label = "fork/exec"]
   CvdGenericCommandHandler -> powerwash_cvd [label = "fork/exec"]
   CvdHelpHandler -> all_cvd [label = "fork/exec"]
   CvdFleetCommandHandler -> cvd_status [label = "fork/exec"]
diff --git a/host/commands/cvd/doc/all_handlers.png b/host/commands/cvd/doc/all_handlers.png
index db5de632f..cc6b11cb5 100644
--- a/host/commands/cvd/doc/all_handlers.png
+++ b/host/commands/cvd/doc/all_handlers.png
diff --git a/host/commands/cvd/doc/all_handlers.svg b/host/commands/cvd/doc/all_handlers.svg
index 2544ed8c9..2915fd377 100644
--- a/host/commands/cvd/doc/all_handlers.svg
+++ b/host/commands/cvd/doc/all_handlers.svg
@@ -28,18 +28,18 @@
 <!-- CvdServer -->
 <g id="node2" class="node">
 <title>CvdServer</title>
-<ellipse fill="none" stroke="black" cx="317.33" cy="-400" rx="48.19" ry="18"/>
-<text text-anchor="middle" x="317.33" y="-396.3" font-family="Times,serif" font-size="14.00">CvdServer</text>
+<ellipse fill="none" stroke="black" cx="317.33" cy="-401" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="317.33" y="-397.3" font-family="Times,serif" font-size="14.00">CvdServer</text>
 </g>
 <!-- CvdClient&#45;&gt;CvdServer -->
 <g id="edge1" class="edge">
 <title>CvdClient&#45;&gt;CvdServer</title>
-<path fill="none" stroke="black" d="M70.75,-56.79C87.91,-99.37 135.27,-209.44 195.59,-288 222.46,-322.99 260.8,-356.49 287.03,-377.58"/>
-<polygon fill="black" stroke="black" points="285.08,-380.5 295.09,-383.98 289.43,-375.02 285.08,-380.5"/>
-<text text-anchor="middle" x="156.59" y="-272.8" font-family="Times,serif" font-size="14.00">AF_UNIX</text>
+<path fill="none" stroke="black" d="M70.7,-56.95C87.73,-99.92 134.84,-210.99 195.59,-290 222.21,-324.63 260.28,-357.61 286.52,-378.49"/>
+<polygon fill="black" stroke="black" points="284.57,-381.41 294.6,-384.83 288.89,-375.9 284.57,-381.41"/>
+<text text-anchor="middle" x="156.59" y="-274.8" font-family="Times,serif" font-size="14.00">AF_UNIX</text>
 </g>
 <!-- acloud -->
-<g id="node29" class="node">
+<g id="node30" class="node">
 <title>acloud</title>
 <ellipse fill="none" stroke="black" cx="1443.45" cy="-18" rx="66.89" ry="18"/>
 <text text-anchor="middle" x="1443.45" y="-14.3" font-family="Times,serif" font-size="14.00">acloud (python)</text>
@@ -60,128 +60,128 @@
 <!-- CvdServer&#45;&gt;CvdServerHandler -->
 <g id="edge3" class="edge">
 <title>CvdServer&#45;&gt;CvdServerHandler</title>
-<path fill="none" stroke="black" d="M358.37,-390.41C392.32,-382.28 441.59,-370.48 480.8,-361.08"/>
-<polygon fill="black" stroke="black" points="481.63,-364.48 490.54,-358.75 480,-357.68 481.63,-364.48"/>
+<path fill="none" stroke="black" d="M358.12,-391.29C392.14,-382.99 441.71,-370.9 481.06,-361.3"/>
+<polygon fill="black" stroke="black" points="481.95,-364.68 490.84,-358.91 480.29,-357.88 481.95,-364.68"/>
 </g>
 <!-- AcloudMixSuperImageCommand -->
 <g id="node5" class="node">
 <title>AcloudMixSuperImageCommand</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-208" rx="131.88" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-204.3" font-family="Times,serif" font-size="14.00">AcloudMixSuperImageCommand</text>
+<ellipse fill="none" stroke="black" cx="1142.27" cy="-209" rx="131.88" ry="18"/>
+<text text-anchor="middle" x="1142.27" y="-205.3" font-family="Times,serif" font-size="14.00">AcloudMixSuperImageCommand</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;AcloudMixSuperImageCommand -->
 <g id="edge7" class="edge">
 <title>CvdServerHandler&#45;&gt;AcloudMixSuperImageCommand</title>
-<path fill="none" stroke="black" d="M600.82,-333.64C632.46,-326.94 673.03,-319.03 709.46,-314 771.94,-305.38 942.92,-330.19 992.33,-291 1012.82,-274.76 990.88,-252.46 1010.33,-235 1015.44,-230.42 1021.11,-226.53 1027.15,-223.24"/>
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+<polygon fill="black" stroke="black" points="1028.8,-227.38 1036.28,-219.89 1025.75,-221.08 1028.8,-227.38"/>
 </g>
 <!-- CvdFetchCommandHandler -->
 <g id="node6" class="node">
 <title>CvdFetchCommandHandler</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-262" rx="110.48" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-258.3" font-family="Times,serif" font-size="14.00">CvdFetchCommandHandler</text>
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+<text text-anchor="middle" x="1142.27" y="-259.3" font-family="Times,serif" font-size="14.00">CvdFetchCommandHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdFetchCommandHandler -->
 <g id="edge9" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdFetchCommandHandler</title>
-<path fill="none" stroke="black" d="M616.24,-339.22C645.12,-336.52 678.88,-333.48 709.46,-331 772.27,-325.9 936.37,-339.98 992.33,-311 1003.55,-305.19 999.53,-295.54 1010.33,-289 1019.86,-283.24 1030.41,-278.69 1041.26,-275.1"/>
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+<polygon fill="black" stroke="black" points="1042.78,-279.54 1051.36,-273.33 1040.77,-272.84 1042.78,-279.54"/>
 </g>
 <!-- CvdFleetCommandHandler -->
 <g id="node7" class="node">
 <title>CvdFleetCommandHandler</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-586" rx="108.58" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-582.3" font-family="Times,serif" font-size="14.00">CvdFleetCommandHandler</text>
+<ellipse fill="none" stroke="black" cx="1142.27" cy="-587" rx="108.58" ry="18"/>
+<text text-anchor="middle" x="1142.27" y="-583.3" font-family="Times,serif" font-size="14.00">CvdFleetCommandHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdFleetCommandHandler -->
 <g id="edge10" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdFleetCommandHandler</title>
-<path fill="none" stroke="black" d="M600.34,-358.6C607.81,-361.64 615.09,-365.39 621.46,-370 632.55,-378.03 628.57,-386.7 639.46,-395 665.85,-415.12 677.25,-412.99 709.46,-421 766.86,-435.28 927.3,-418.86 973.33,-456 1011.19,-486.54 973.59,-527.12 1010.33,-559 1017.69,-565.38 1026.14,-570.39 1035.14,-574.32"/>
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+<polygon fill="black" stroke="black" points="1034.09,-578.69 1044.68,-579.05 1036.62,-572.17 1034.09,-578.69"/>
 </g>
 <!-- CvdHelpHandler -->
 <g id="node8" class="node">
 <title>CvdHelpHandler</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-424" rx="70.69" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-420.3" font-family="Times,serif" font-size="14.00">CvdHelpHandler</text>
+<ellipse fill="none" stroke="black" cx="1142.27" cy="-425" rx="70.69" ry="18"/>
+<text text-anchor="middle" x="1142.27" y="-421.3" font-family="Times,serif" font-size="14.00">CvdHelpHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdHelpHandler -->
 <g id="edge13" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdHelpHandler</title>
-<path fill="none" stroke="black" d="M613.68,-354.1C719.97,-366.83 920.86,-391.08 992.33,-401 1018.3,-404.6 1046.76,-408.91 1071.77,-412.82"/>
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+<polygon fill="black" stroke="black" points="1072.56,-416.93 1082.99,-415.09 1073.69,-410.02 1072.56,-416.93"/>
 </g>
 <!-- CvdGenericCommandHandler -->
 <g id="node9" class="node">
 <title>CvdGenericCommandHandler</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-370" rx="118.88" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-366.3" font-family="Times,serif" font-size="14.00">CvdGenericCommandHandler</text>
+<ellipse fill="none" stroke="black" cx="1142.27" cy="-371" rx="118.88" ry="18"/>
+<text text-anchor="middle" x="1142.27" y="-367.3" font-family="Times,serif" font-size="14.00">CvdGenericCommandHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdGenericCommandHandler -->
 <g id="edge11" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdGenericCommandHandler</title>
-<path fill="none" stroke="black" d="M619.66,-350.05C626.36,-350.39 633.03,-350.71 639.46,-351 767.55,-356.84 914.09,-362.24 1015.6,-365.78"/>
-<polygon fill="black" stroke="black" points="1015.79,-369.29 1025.9,-366.14 1016.03,-362.29 1015.79,-369.29"/>
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+<polygon fill="black" stroke="black" points="1016.28,-369.99 1026.4,-366.86 1016.54,-362.99 1016.28,-369.99"/>
 </g>
 <!-- CvdResetCommandHandler -->
 <g id="node10" class="node">
 <title>CvdResetCommandHandler</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-478" rx="110.48" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-474.3" font-family="Times,serif" font-size="14.00">CvdResetCommandHandler</text>
+<ellipse fill="none" stroke="black" cx="1142.27" cy="-479" rx="110.48" ry="18"/>
+<text text-anchor="middle" x="1142.27" y="-475.3" font-family="Times,serif" font-size="14.00">CvdResetCommandHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdResetCommandHandler -->
 <g id="edge15" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdResetCommandHandler</title>
-<path fill="none" stroke="black" d="M595.23,-359.68C627.54,-368.22 670.76,-378.9 709.46,-386 771.76,-397.43 939.24,-386.46 992.33,-421 1005.37,-429.48 997.65,-442.01 1010.33,-451 1018.73,-456.95 1028.14,-461.65 1037.97,-465.36"/>
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 <!-- CvdShutdownHandler -->
 <g id="node11" class="node">
 <title>CvdShutdownHandler</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-532" rx="89.08" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-528.3" font-family="Times,serif" font-size="14.00">CvdShutdownHandler</text>
+<ellipse fill="none" stroke="black" cx="1142.27" cy="-533" rx="89.08" ry="18"/>
+<text text-anchor="middle" x="1142.27" y="-529.3" font-family="Times,serif" font-size="14.00">CvdShutdownHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdShutdownHandler -->
 <g id="edge18" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdShutdownHandler</title>
-<path fill="none" stroke="black" d="M582.76,-361.66C615.47,-374.83 664.81,-393.06 709.46,-403 771.37,-416.78 944.45,-399.41 992.33,-441 1014.64,-460.37 988.71,-484.86 1010.33,-505 1020.31,-514.29 1032.6,-520.74 1045.62,-525.17"/>
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 <!-- CvdStartCommandHandler -->
 <g id="node12" class="node">
 <title>CvdStartCommandHandler</title>
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-<text text-anchor="middle" x="1142.27" y="-312.3" font-family="Times,serif" font-size="14.00">CvdStartCommandHandler</text>
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+<text text-anchor="middle" x="1142.27" y="-313.3" font-family="Times,serif" font-size="14.00">CvdStartCommandHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdStartCommandHandler -->
 <g id="edge19" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdStartCommandHandler</title>
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+<polygon fill="black" stroke="black" points="1040.32,-330.83 1049.97,-326.46 1039.7,-323.86 1040.32,-330.83"/>
 </g>
 <!-- CvdVersionHandler -->
 <g id="node13" class="node">
 <title>CvdVersionHandler</title>
-<ellipse fill="none" stroke="black" cx="1142.27" cy="-100" rx="80.69" ry="18"/>
-<text text-anchor="middle" x="1142.27" y="-96.3" font-family="Times,serif" font-size="14.00">CvdVersionHandler</text>
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+<text text-anchor="middle" x="1142.27" y="-97.3" font-family="Times,serif" font-size="14.00">CvdVersionHandler</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;CvdVersionHandler -->
 <g id="edge20" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdVersionHandler</title>
-<path fill="none" stroke="black" d="M572.33,-329.11C590.62,-318.1 615.79,-304.14 639.46,-295 738.47,-256.78 957.57,-268.94 973.33,-256 1019.44,-218.16 966.59,-167.54 1010.33,-127 1021.93,-116.26 1036.61,-109.32 1051.93,-104.92"/>
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 <!-- TryAcloudCommand -->
 <g id="node14" class="node">
 <title>TryAcloudCommand</title>
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-<text text-anchor="middle" x="1142.27" y="-150.3" font-family="Times,serif" font-size="14.00">TryAcloudCommand</text>
+<ellipse fill="none" stroke="black" cx="1142.27" cy="-155" rx="87.18" ry="18"/>
+<text text-anchor="middle" x="1142.27" y="-151.3" font-family="Times,serif" font-size="14.00">TryAcloudCommand</text>
 </g>
 <!-- CvdServerHandler&#45;&gt;TryAcloudCommand -->
 <g id="edge4" class="edge">
 <title>CvdServerHandler&#45;&gt;TryAcloudCommand</title>
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 <!-- AcloudCommand -->
 <g id="node15" class="node">
@@ -216,8 +216,8 @@
 <!-- CvdServerHandler&#45;&gt;CvdServerHandlerProxy -->
 <g id="edge12" class="edge">
 <title>CvdServerHandler&#45;&gt;CvdServerHandlerProxy</title>
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 </g>
 <!-- CvdVmControlCommandHandler -->
 <g id="node18" class="node">
@@ -228,8 +228,8 @@
 <!-- CvdServerHandler&#45;&gt;CvdVmControlCommandHandler -->
 <g id="edge8" class="edge">
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+<polygon fill="black" stroke="black" points="1387.12,-203.65 1397.36,-200.93 1387.66,-196.67 1387.12,-203.65"/>
+<text text-anchor="middle" x="1318.21" y="-229.8" font-family="Times,serif" font-size="14.00">fork/exec</text>
 </g>
 </g>
 </svg>
diff --git a/host/commands/cvd/server_command/host_tool_target.cpp b/host/commands/cvd/server_command/host_tool_target.cpp
index 316544aff..5d290dd84 100644
--- a/host/commands/cvd/server_command/host_tool_target.cpp
+++ b/host/commands/cvd/server_command/host_tool_target.cpp
@@ -40,6 +40,7 @@ const std::map<std::string, std::vector<std::string>>& OpToBinsMap() {
       {"cvd_status", {"cvd_internal_status", "cvd_status"}},
       {"restart", {"restart_cvd"}},
       {"powerwash", {"powerwash_cvd"}},
+      {"powerbtn", {"powerbtn_cvd"}},
       {"suspend", {"snapshot_util_cvd"}},
       {"resume", {"snapshot_util_cvd"}},
       {"snapshot_take", {"snapshot_util_cvd"}},
diff --git a/host/commands/cvd/server_command/power.cpp b/host/commands/cvd/server_command/power.cpp
index bb17ca501..226c0cf6c 100644
--- a/host/commands/cvd/server_command/power.cpp
+++ b/host/commands/cvd/server_command/power.cpp
@@ -56,6 +56,10 @@ class CvdDevicePowerCommandHandler : public CvdServerHandler {
         [this](const std::string& android_host_out) -> Result<std::string> {
       return CF_EXPECT(PowerwashBin(android_host_out));
     };
+    cvd_power_operations_["powerbtn"] =
+        [this](const std::string& android_host_out) -> Result<std::string> {
+      return CF_EXPECT(PowerbtnBin(android_host_out));
+    };
   }
 
   Result<bool> CanHandle(const RequestWithStdio& request) const {
@@ -120,6 +124,14 @@ class CvdDevicePowerCommandHandler : public CvdServerHandler {
     return powerwash_bin;
   }
 
+  Result<std::string> PowerbtnBin(const std::string& android_host_out) const {
+    auto powerbtn_bin = CF_EXPECT(host_tool_target_manager_.ExecBaseName({
+        .artifacts_path = android_host_out,
+        .op = "powerbtn",
+    }));
+    return powerbtn_bin;
+  }
+
   Result<Command> HelpCommand(const RequestWithStdio& request,
                               const std::string& op,
                               const cvd_common::Args& subcmd_args,
@@ -207,11 +219,12 @@ class CvdDevicePowerCommandHandler : public CvdServerHandler {
     if (cmd_args.empty()) {
       return false;
     }
-    // cvd restart/powerwash --help, --helpxml, etc or simply cvd restart
+    // cvd restart/powerwash/powerbtn --help, --helpxml, etc or simply cvd
+    // restart
     if (CF_EXPECT(IsHelpSubcmd(cmd_args))) {
       return true;
     }
-    // cvd restart/powerwash help <subcommand> format
+    // cvd restart/powerwash/powerbtn help <subcommand> format
     return (cmd_args.front() == "help");
   }
 
diff --git a/host/commands/cvd/server_command/power.h b/host/commands/cvd/server_command/power.h
index 03e90586f..9dbce56b8 100644
--- a/host/commands/cvd/server_command/power.h
+++ b/host/commands/cvd/server_command/power.h
@@ -25,7 +25,7 @@
 
 namespace cuttlefish {
 
-// restart, powerwash
+// restart, powerwash, powerbtn
 std::unique_ptr<CvdServerHandler> NewCvdDevicePowerCommandHandler(
     HostToolTargetManager& host_tool_target_manager,
     InstanceManager& instance_manager, SubprocessWaiter& subprocess_waiter);
diff --git a/host/commands/powerbtn_cvd/Android.bp b/host/commands/powerbtn_cvd/Android.bp
new file mode 100644
index 000000000..bdfa65a97
--- /dev/null
+++ b/host/commands/powerbtn_cvd/Android.bp
@@ -0,0 +1,37 @@
+//
+// Copyright (C) 2024 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_binary {
+    name: "powerbtn_cvd",
+    srcs: [
+        "powerbtn_cvd.cc",
+    ],
+    shared_libs: [
+        "libbase",
+        "libcuttlefish_fs",
+        "libcuttlefish_utils",
+        "libjsoncpp",
+    ],
+    static_libs: [
+        "libcuttlefish_command_util",
+        "libcuttlefish_host_config",
+        "libgflags",
+    ],
+    defaults: ["cuttlefish_host"],
+}
diff --git a/host/commands/powerbtn_cvd/powerbtn_cvd.cc b/host/commands/powerbtn_cvd/powerbtn_cvd.cc
new file mode 100644
index 000000000..dbd01426e
--- /dev/null
+++ b/host/commands/powerbtn_cvd/powerbtn_cvd.cc
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cstdint>
+#include <cstdlib>
+
+#include <android-base/logging.h>
+#include <gflags/gflags.h>
+
+#include "common/libs/fs/shared_fd.h"
+#include "common/libs/utils/result.h"
+#include "common/libs/utils/subprocess.h"
+#include "host/libs/command_util/runner/defs.h"
+#include "host/libs/command_util/util.h"
+#include "host/libs/config/cuttlefish_config.h"
+
+DEFINE_int32(instance_num, cuttlefish::GetInstance(),
+             "Which instance to trigger a power button event.");
+
+namespace cuttlefish {
+namespace {
+
+Result<void> PowerbtnCvdMain() {
+  const CuttlefishConfig* config =
+      CF_EXPECT(CuttlefishConfig::Get(), "Failed to obtain config object");
+  auto instance = config->ForInstance(FLAGS_instance_num);
+
+  Command command(instance.crosvm_binary());
+  command.AddParameter("powerbtn");
+  command.AddParameter(instance.CrosvmSocketPath());
+
+  LOG(INFO) << "Pressing power button";
+  std::string output;
+  std::string error;
+  auto ret = RunWithManagedStdio(std::move(command), NULL, &output, &error);
+  CF_EXPECT_EQ(ret, 0,
+               "crosvm powerbtn returned: " << ret << "\n"
+                                            << output << "\n"
+                                            << error);
+  return {};
+}
+
+}  // namespace
+}  // namespace cuttlefish
+
+int main(int argc, char** argv) {
+  ::android::base::InitLogging(argv, android::base::StderrLogger);
+  google::ParseCommandLineFlags(&argc, &argv, true);
+  cuttlefish::Result<void> result = cuttlefish::PowerbtnCvdMain();
+  if (!result.ok()) {
+    LOG(ERROR) << result.error().FormatForEnv();
+    return EXIT_FAILURE;
+  }
+  return EXIT_SUCCESS;
+}