Support dump and add more unit tests.

Support dump in reference ivn HAL and add more unit tests.

Test: atest IvnAndroidDeviceServiceUnitTest
Bug: 274139217
Change-Id: I3d882dcf84f8ae89104e06deb65fbad148fad54c
diff --git a/automotive/ivn_android_device/impl/default/include/IvnAndroidDeviceService.h b/automotive/ivn_android_device/impl/default/include/IvnAndroidDeviceService.h
index c0cc9fe..0cff8fe 100644
--- a/automotive/ivn_android_device/impl/default/include/IvnAndroidDeviceService.h
+++ b/automotive/ivn_android_device/impl/default/include/IvnAndroidDeviceService.h
@@ -20,6 +20,7 @@
 #include <aidl/android/hardware/automotive/ivn/EndpointInfo.h>
 #include <aidl/android/hardware/automotive/ivn/OccupantZoneInfo.h>
 #include <android/binder_auto_utils.h>
+#include <json/json.h>
 #include <vector>
 
 #include <unordered_map>
@@ -60,7 +61,10 @@
             int androidDeviceId,
             aidl::android::hardware::automotive::ivn::EndpointInfo* endpointInfo) override;
 
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
   private:
+    Json::Value mConfigRootNode;
     int mMyDeviceId;
     std::unordered_map<int, DeviceInfo> mDeviceInfoById;
     std::string_view mConfigPath;
diff --git a/automotive/ivn_android_device/impl/default/src/IvnAndroidDeviceService.cpp b/automotive/ivn_android_device/impl/default/src/IvnAndroidDeviceService.cpp
index 71454d5..81f18b2 100644
--- a/automotive/ivn_android_device/impl/default/src/IvnAndroidDeviceService.cpp
+++ b/automotive/ivn_android_device/impl/default/src/IvnAndroidDeviceService.cpp
@@ -54,26 +54,25 @@
         return false;
     }
     Json::CharReaderBuilder builder;
-    Json::Value root;
     std::string errs;
-    if (!Json::parseFromStream(builder, configStream, &root, &errs)) {
+    if (!Json::parseFromStream(builder, configStream, &mConfigRootNode, &errs)) {
         LOG(ERROR) << "Failed to parse config JSON stream, error: " << errs;
         return false;
     }
-    if (!root.isObject()) {
+    if (!mConfigRootNode.isObject()) {
         LOG(ERROR) << "Root must be an object";
         return false;
     }
-    if (!root.isMember("MyDeviceId")) {
+    if (!mConfigRootNode.isMember("MyDeviceId")) {
         LOG(ERROR) << "Must contain 'MyDeviceId' field";
         return false;
     }
-    mMyDeviceId = root["MyDeviceId"].asInt();
-    if (!root.isMember("Devices") || !root["Devices"].isArray()) {
+    mMyDeviceId = mConfigRootNode["MyDeviceId"].asInt();
+    if (!mConfigRootNode.isMember("Devices") || !mConfigRootNode["Devices"].isArray()) {
         LOG(ERROR) << "Must contain 'Devices' field as array";
         return false;
     }
-    Json::Value& devices = root["Devices"];
+    Json::Value& devices = mConfigRootNode["Devices"];
     for (unsigned int i = 0; i < devices.size(); i++) {
         Json::Value& device = devices[i];
         int deviceId = device["DeviceId"].asInt();
@@ -190,6 +189,13 @@
     return ScopedAStatus::ok();
 }
 
+binder_status_t IvnAndroidDeviceService::dump(int fd, [[maybe_unused]] const char** args,
+                                              [[maybe_unused]] uint32_t numArgs) {
+    dprintf(fd, "IVN Android Device debug interface, Config: \n%s\n",
+            mConfigRootNode.toStyledString().c_str());
+    return STATUS_OK;
+}
+
 }  // namespace ivn
 }  // namespace automotive
 }  // namespace hardware
diff --git a/automotive/ivn_android_device/impl/default/test/IvnAndroidDeviceServiceUnittest.cpp b/automotive/ivn_android_device/impl/default/test/IvnAndroidDeviceServiceUnittest.cpp
index bc8e69f..6a4d26d 100644
--- a/automotive/ivn_android_device/impl/default/test/IvnAndroidDeviceServiceUnittest.cpp
+++ b/automotive/ivn_android_device/impl/default/test/IvnAndroidDeviceServiceUnittest.cpp
@@ -16,6 +16,7 @@
 
 #include "IvnAndroidDeviceService.h"
 
+#include <aidl/android/hardware/automotive/ivn/EndpointInfo.h>
 #include <aidl/android/hardware/automotive/ivn/OccupantType.h>
 #include <aidl/android/hardware/automotive/ivn/OccupantZoneInfo.h>
 #include <android-base/file.h>
@@ -26,6 +27,8 @@
 namespace automotive {
 namespace ivn {
 
+using ::aidl::android::hardware::automotive::ivn::ConnectProtocol;
+using ::aidl::android::hardware::automotive::ivn::EndpointInfo;
 using ::aidl::android::hardware::automotive::ivn::OccupantType;
 using ::aidl::android::hardware::automotive::ivn::OccupantZoneInfo;
 using ::ndk::ScopedAStatus;
@@ -92,6 +95,7 @@
 
     ScopedAStatus status =
             mService->getOccupantZonesForDevice(/*androidDeviceId=*/0, &occupantZones);
+
     ASSERT_TRUE(status.isOk());
     EXPECT_EQ(occupantZones.size(), 2);
     if (occupantZones.size() == 2) {
@@ -104,6 +108,41 @@
     }
 }
 
+TEST_F(IvnAndroidDeviceServiceUnitTest, TestGetMyEndpointInfo) {
+    EndpointInfo endpointInfo;
+
+    ScopedAStatus status = mService->getMyEndpointInfo(&endpointInfo);
+
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(endpointInfo.connectProtocol, ConnectProtocol::TCP_IP);
+    EXPECT_EQ(endpointInfo.ipAddress, "10.10.10.1");
+    EXPECT_EQ(endpointInfo.portNumber, 1234);
+    EXPECT_EQ(endpointInfo.hardwareId.brandName, "MyBrand");
+    EXPECT_EQ(endpointInfo.hardwareId.deviceName, "MyDevice");
+    EXPECT_EQ(endpointInfo.hardwareId.productName, "MyProduct");
+    EXPECT_EQ(endpointInfo.hardwareId.manufacturerName, "MyCompany");
+    EXPECT_EQ(endpointInfo.hardwareId.modelName, "MyModel");
+    EXPECT_EQ(endpointInfo.hardwareId.serialNumber, "Serial1234");
+}
+
+TEST_F(IvnAndroidDeviceServiceUnitTest, TestGetEndpointInfoForDevice) {
+    EndpointInfo endpointInfo;
+
+    ScopedAStatus status = mService->getEndpointInfoForDevice(/*androidDeviceId=*/0, &endpointInfo);
+
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(endpointInfo.connectProtocol, ConnectProtocol::TCP_IP);
+    EXPECT_EQ(endpointInfo.ipAddress, "10.10.10.1");
+    EXPECT_EQ(endpointInfo.portNumber, 1234);
+
+    status = mService->getEndpointInfoForDevice(/*androidDeviceId=*/1, &endpointInfo);
+
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(endpointInfo.connectProtocol, ConnectProtocol::TCP_IP);
+    EXPECT_EQ(endpointInfo.ipAddress, "10.10.10.2");
+    EXPECT_EQ(endpointInfo.portNumber, 2345);
+}
+
 }  // namespace ivn
 }  // namespace automotive
 }  // namespace hardware