Init Session in Android

android/app/src/main/cpp/chiaki-jni.c

@@ -4,6 +4,9 @@
 
 #include <chiaki/common.h>
 #include <chiaki/log.h>
+#include <chiaki/session.h>
+
+#include <string.h>
 
 #define LOG_TAG "Chiaki"
 
@@ -31,7 +34,7 @@ static void log_cb_android(ChiakiLogLevel level, const char *msg, void *user)
             prio = ANDROID_LOG_INFO;
             break;
     }
-    __android_log_print(prio, LOG_TAG, "%s", msg);
+    __android_log_write(prio, LOG_TAG, msg);
 }
 
 ChiakiLog log_ctx;
@@ -45,7 +48,75 @@ JNIEXPORT jint JNI_OnLoad(JavaVM *vm, void *reserved)
     return JNI_VERSION_1_2;
 }
 
-JNIEXPORT jstring JNICALL Java_com_metallic_chiaki_lib_Chiaki_stringFromJNI(JNIEnv *env, jobject thiz)
+#define E (*env)
+
+JNIEXPORT jstring JNICALL Java_com_metallic_chiaki_lib_ChiakiNative_errorCodeToString(JNIEnv *env, jobject obj, jint value)
 {
-    return (*env)->NewStringUTF(env, chiaki_error_string(CHIAKI_ERR_SUCCESS));
+    return E->NewStringUTF(env, chiaki_error_string((ChiakiErrorCode)value));
 }
+
+JNIEXPORT void JNICALL Java_com_metallic_chiaki_lib_ChiakiNative_createSession(JNIEnv *env, jobject obj, jobject result, jobject connect_info_obj)
+{
+    ChiakiSession *session = NULL;
+    ChiakiErrorCode err = CHIAKI_ERR_SUCCESS;
+    char *host_str = NULL;
+
+    jclass result_class = E->GetObjectClass(env, result);
+
+    jclass connect_info_class = E->GetObjectClass(env, connect_info_obj);
+    jstring host_string = E->GetObjectField(env, connect_info_obj, E->GetFieldID(env, connect_info_class, "host", "Ljava/lang/String;"));
+    jbyteArray regist_key_array = E->GetObjectField(env, connect_info_obj, E->GetFieldID(env, connect_info_class, "registKey", "[B"));
+    jbyteArray morning_array = E->GetObjectField(env, connect_info_obj, E->GetFieldID(env, connect_info_class, "morning", "[B"));
+    jobject connect_video_profile_obj = E->GetObjectField(env, connect_info_obj, E->GetFieldID(env, connect_info_class, "videoProfile", "Lcom/metallic/chiaki/lib/ConnectVideoProfile;"));
+    jclass connect_video_profile_class = E->GetObjectClass(env, connect_video_profile_obj);
+
+    ChiakiConnectInfo connect_info;
+    const char *str_borrow = E->GetStringUTFChars(env, host_string, NULL);
+    connect_info.host = host_str = strdup(str_borrow);
+    E->ReleaseStringUTFChars(env, host_string, str_borrow);
+    if(!connect_info.host)
+    {
+        err = CHIAKI_ERR_MEMORY;
+        goto beach;
+    }
+
+    if(E->GetArrayLength(env, regist_key_array) != sizeof(connect_info.regist_key))
+    {
+        CHIAKI_LOGE(&log_ctx, "Regist Key passed from Java has invalid length");
+        err = CHIAKI_ERR_INVALID_DATA;
+        goto beach;
+    }
+    jbyte *bytes = E->GetByteArrayElements(env, regist_key_array, NULL);
+    memcpy(connect_info.regist_key, bytes, sizeof(connect_info.regist_key));
+    E->ReleaseByteArrayElements(env, regist_key_array, bytes, JNI_ABORT);
+
+    if(E->GetArrayLength(env, morning_array) != sizeof(connect_info.morning))
+    {
+        CHIAKI_LOGE(&log_ctx, "Morning passed from Java has invalid length");
+        err = CHIAKI_ERR_INVALID_DATA;
+        goto beach;
+    }
+    bytes = E->GetByteArrayElements(env, morning_array, NULL);
+    memcpy(connect_info.morning, bytes, sizeof(connect_info.morning));
+    E->ReleaseByteArrayElements(env, morning_array, bytes, JNI_ABORT);
+
+
+    connect_info.video_profile.width = (unsigned int)E->GetIntField(env, connect_video_profile_obj, E->GetFieldID(env, connect_video_profile_class, "width", "I"));
+    connect_info.video_profile.height = (unsigned int)E->GetIntField(env, connect_video_profile_obj, E->GetFieldID(env, connect_video_profile_class, "height", "I"));
+    connect_info.video_profile.max_fps = (unsigned int)E->GetIntField(env, connect_video_profile_obj, E->GetFieldID(env, connect_video_profile_class, "maxFPS", "I"));
+    connect_info.video_profile.bitrate = (unsigned int)E->GetIntField(env, connect_video_profile_obj, E->GetFieldID(env, connect_video_profile_class, "bitrate", "I"));
+
+    session = CHIAKI_NEW(ChiakiSession);
+    if(!session)
+    {
+        err = CHIAKI_ERR_MEMORY;
+        goto beach;
+    }
+
+    err = chiaki_session_init(session, &connect_info, &log_ctx);
+
+beach:
+    free(host_str);
+    E->SetIntField(env, result, E->GetFieldID(env, result_class, "errorCode", "I"), (jint)err);
+    E->SetLongField(env, result, E->GetFieldID(env, result_class, "sessionPtr", "J"), (jlong)session);
+}

android/app/src/main/java/com/metallic/chiaki/MainActivity.kt

@@ -2,7 +2,10 @@ package com.metallic.chiaki
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import com.metallic.chiaki.lib.Chiaki
+import com.metallic.chiaki.lib.ChiakiNative
+import com.metallic.chiaki.lib.ConnectInfo
+import com.metallic.chiaki.lib.ConnectVideoProfile
+import com.metallic.chiaki.lib.ErrorCode
 import kotlinx.android.synthetic.main.activity_main.*
 
 class MainActivity : AppCompatActivity()
@@ -12,6 +15,12 @@ class MainActivity : AppCompatActivity()
 		super.onCreate(savedInstanceState)
 		setContentView(R.layout.activity_main)
 
-		testTextView.text = Chiaki.stringFromJNI()
+		val result = ChiakiNative.CreateSessionResult(0, 0)
+		ChiakiNative.createSession(result, ConnectInfo("host",
+			ByteArray(0x10) { 0 },
+			ByteArray(0x10) { 0 },
+			ConnectVideoProfile(0, 0, 0, 0)))
+
+		testTextView.text = "${ErrorCode(0).toString()}\n${result}\n${ErrorCode(result.errorCode)}"
 	}
 }

android/app/src/main/java/com/metallic/chiaki/lib/Chiaki.kt

@@ -1,14 +1,39 @@
 package com.metallic.chiaki.lib
 
-class Chiaki
+data class ConnectVideoProfile(
+	val width: Int,
+	val height: Int,
+	val maxFPS: Int,
+	val bitrate: Int
+)
+
+data class ConnectInfo(
+	val host: String,
+	val registKey: ByteArray,
+	val morning: ByteArray,
+	val videoProfile: ConnectVideoProfile
+)
+
+class ChiakiNative
 {
+	data class CreateSessionResult(var errorCode: Int, var sessionPtr: Long)
 	companion object
 	{
 		init
 		{
 			System.loadLibrary("chiaki-jni")
 		}
-
-		@JvmStatic external fun stringFromJNI(): String
+		@JvmStatic external fun errorCodeToString(value: Int): String
+		@JvmStatic external fun createSession(result: CreateSessionResult, connectInfo: ConnectInfo)
 	}
+}
+
+class ErrorCode(val value: Int)
+{
+	override fun toString() = ChiakiNative.errorCodeToString(value)
+}
+
+class Session
+{
+	private val nativePtr: Long = 0
 }