Add chirp APIs

Add all chirp related APIs.

Bug: 162859057
Test: manually verify each added test in idlcli
Change-Id: I5ee0ff6ea21338cd306c85441644f47455a4a83f
diff --git a/cmds/idlcli/vibrator/CommandComposePwle.cpp b/cmds/idlcli/vibrator/CommandComposePwle.cpp
new file mode 100644
index 0000000..b8308ce
--- /dev/null
+++ b/cmds/idlcli/vibrator/CommandComposePwle.cpp
@@ -0,0 +1,201 @@
+/*
+ * Copyright (C) 2019 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 <stdlib.h>
+
+#include <charconv>
+
+#include "utils.h"
+#include "vibrator.h"
+
+namespace android {
+namespace idlcli {
+
+class CommandVibrator;
+
+namespace vibrator {
+
+using aidl::ActivePwle;
+using aidl::Braking;
+using aidl::BrakingPwle;
+using aidl::PrimitivePwle;
+
+class CommandComposePwle : public Command {
+    std::string getDescription() const override { return "Compose PWLE vibration."; }
+
+    std::string getUsageSummary() const override {
+        return "[options] a <active pwle params> b <braking pwle params> ...";
+    }
+
+    UsageDetails getUsageDetails() const override {
+        UsageDetails details{
+            {"-b", {"Block for duration of vibration."}},
+            {"a <startAmplitude> <startFrequency> <endAmplitude> <endFrequency> <duration>",
+             {"Enter the active PWLE segment parameters"}},
+            {"b <brakingMethod> <duration>", {"Enter the braking PWLE segment parameters"}},
+            {"...", {"May repeat multiple times."}},
+        };
+        return details;
+    }
+
+    int getIntFromString(std::string input, int *output) {
+        int rc = 0;
+        int value;
+        const auto res = std::from_chars(input.data(), input.data() + input.size(), value);
+        if (res.ec == std::errc::invalid_argument) {
+            std::cerr << "Invalid int argument: " << input << std::endl;
+            rc = (int)std::errc::invalid_argument;
+        } else if (res.ec == std::errc::result_out_of_range) {
+            std::cerr << "Result out of range: " << input << std::endl;
+            rc = (int)std::errc::result_out_of_range;
+        }
+        *output = value;
+        return rc;
+    }
+
+    float getFloatFromString(std::string_view input, float *output) {
+        int rc = 0;
+        errno = 0;
+        // from_chars doesn't support conversion to float so we need to first
+        // convert the string_view to string and use the C-string for strtof
+        float value = strtof(std::string(input).c_str(), NULL);
+
+        if (input == "0.0" || input == "0") {
+            return rc;
+        }
+
+        if (value <= 0.0) {
+            std::cerr << "Invalid float argument: " << input << std::endl;
+            rc = EINVAL;
+        } else if (errno == ERANGE) {
+            std::cerr << "Result out of range: " << input << std::endl;
+            rc = errno;
+        } else {
+            *output = value;
+        }
+        return rc;
+    }
+
+    Status doArgs(Args &args) override {
+        while (args.get<std::string>().value_or("").find("-") == 0) {
+            auto opt = *args.pop<std::string>();
+            if (opt == "--") {
+                break;
+            } else if (opt == "-b") {
+                mBlocking = true;
+            } else {
+                std::cerr << "Invalid Option '" << opt << "'!" << std::endl;
+                return USAGE;
+            }
+        }
+        if (args.empty()) {
+            std::cerr << "Missing arguments! Please see usage" << std::endl;
+            return USAGE;
+        }
+        while (!args.empty()) {
+            PrimitivePwle pwle;
+            auto nextArg = args.pop();
+
+            if (*nextArg == "a") {
+                auto startAmplitude = args.pop();
+                float startAmp;
+                if (getFloatFromString(*startAmplitude, &startAmp))
+                    return USAGE;
+
+                auto startFrequency = args.pop();
+                float startFreq;
+                if (getFloatFromString(*startFrequency, &startFreq))
+                    return USAGE;
+
+                auto endAmplitude = args.pop();
+                float endAmp;
+                if (getFloatFromString(*endAmplitude, &endAmp))
+                    return USAGE;
+
+                auto endFrequency = args.pop();
+                float endFreq;
+                if (getFloatFromString(*endFrequency, &endFreq))
+                    return USAGE;
+
+                auto duration = args.pop();
+                int dur;
+                if (getIntFromString(*duration, &dur))
+                    return USAGE;
+
+                ActivePwle active = {startAmp, startFreq, endAmp, endFreq, dur};
+                pwle = active;
+            } else if (*nextArg == "b") {
+                auto brakingMethod = args.pop();
+                Braking brakingMeth;
+                if (getIntFromString(*brakingMethod, (int *)&brakingMeth))
+                    return USAGE;
+
+                auto duration = args.pop();
+                int dur;
+                if (getIntFromString(*duration, &dur))
+                    return USAGE;
+
+                BrakingPwle braking = {brakingMeth, dur};
+                pwle = braking;
+            } else {
+                std::cerr << "Invalid arguments! Please see usage" << std::endl;
+                return USAGE;
+            }
+            mCompositePwle.emplace_back(std::move(pwle));
+        }
+        if (!args.empty()) {
+            std::cerr << "Unexpected Arguments!" << std::endl;
+            return USAGE;
+        }
+        return OK;
+    }
+
+    Status doMain(Args && /*args*/) override {
+        auto hal = getHal<aidl::IVibrator>();
+
+        if (!hal) {
+            return UNAVAILABLE;
+        }
+
+        ABinderProcess_setThreadPoolMaxThreadCount(1);
+        ABinderProcess_startThreadPool();
+
+        std::shared_ptr<VibratorCallback> callback;
+
+        if (mBlocking) {
+            callback = ndk::SharedRefBase::make<VibratorCallback>();
+        }
+
+        auto status = hal->call(&aidl::IVibrator::composePwle, mCompositePwle, callback);
+
+        if (status.isOk() && callback) {
+            callback->waitForComplete();
+        }
+
+        std::cout << "Status: " << status.getDescription() << std::endl;
+
+        return status.isOk() ? OK : ERROR;
+    }
+
+    bool mBlocking;
+    std::vector<PrimitivePwle> mCompositePwle;
+};
+
+static const auto Command =
+    CommandRegistry<CommandVibrator>::Register<CommandComposePwle>("composePwle");
+
+}  // namespace vibrator
+}  // namespace idlcli
+}  // namespace android