tunnel: add gRPC over unix domain socket to the go backend

With gRPC it will be easier to extend the go backend API.
In this commit the Version function is reimplemented in gRPC.

Gitignore generated protobuf files.

1 files changed, 10 insertions, 0 deletions

diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c7858b7c..e933607b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,10 @@
 [versions]
 agp = "8.0.1"
+grpc = "1.55.1"
 kotlin = "1.8.21"
+protobuf = "0.9.3"
+protoc = "3.22.2"
+protocgengrpc = '1.55.1'
 
 [libraries]
 androidx-activity-ktx = "androidx.activity:activity-ktx:1.7.1"
@@ -17,6 +21,11 @@ androidx-lifecycle-runtime-ktx = "androidx.lifecycle:lifecycle-runtime-ktx:2.6.1
 androidx-preference-ktx = "androidx.preference:preference-ktx:1.2.0"
 desugarJdkLibs = "com.android.tools:desugar_jdk_libs:2.0.3"
 google-material = "com.google.android.material:material:1.8.0"
+grpc-android = "io.grpc:grpc-android:1.55.1"
+grpc-okhttp = "io.grpc:grpc-okhttp:1.55.1"
+grpc-protobuf-lite = "io.grpc:grpc-protobuf-lite:1.55.1"
+grpc-stub = "io.grpc:grpc-stub:1.55.1"
+javax-annotation-api = "javax.annotation:javax.annotation-api:1.2"
 jsr305 = "com.google.code.findbugs:jsr305:3.0.2"
 junit = "junit:junit:4.13.2"
 kotlinx-coroutines-android = "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4"
@@ -25,5 +34,6 @@ zxing-android-embedded = "com.journeyapps:zxing-android-embedded:4.3.0"
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 android-library = { id = "com.android.library", version.ref = "agp" }
+google-protobuf = { id = "com.google.protobuf", version.ref = "protobuf" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-kapt = { id = "org.jetbrains.kotlin.kapt", version.ref = "kotlin" }