add new jni methods (untested)

xwords4/android/app/src/main/java/org/eehouse/android/xw4/jni/XwJNI.java

@@ -165,6 +165,16 @@ public class XwJNI {
         dvc_parseMQTTPacket( getJNI().m_ptrGlobals, buf );
     }
 
+    public static String[] kplr_getPlayers()
+    {
+        return kplr_getPlayers( getJNI().m_ptrGlobals );
+    }
+
+    public static CommsAddrRec kplr_getAddr( String name )
+    {
+        return kplr_getAddr( getJNI().m_ptrGlobals, name );
+    }
+
     private static void cleanGlobals()
     {
         synchronized( XwJNI.class ) { // let's be safe here
@@ -679,6 +689,10 @@ public class XwJNI {
                                                          String[] addrToTopic );
 
     private static native void dvc_parseMQTTPacket( long jniState, byte[] buf );
+
+    private static native String[] kplr_getPlayers( long jniState );
+    private static native CommsAddrRec kplr_getAddr( long jniState, String name );
+
     private static native void cleanGlobals( long jniState );
     private static native byte[] gi_to_stream( long jniState, CurGameInfo gi );
     private static native void gi_from_stream( long jniState, CurGameInfo gi,

xwords4/android/jni/Android.mk

@@ -87,6 +87,7 @@ COMMON_SRC_FILES +=        \
 	$(COMMON_PATH)/nli.c    	\
 	$(COMMON_PATH)/smsproto.c  	\
 	$(COMMON_PATH)/device.c  	\
+	$(COMMON_PATH)/knownplyr.c  \
 
 LOCAL_CFLAGS+=$(LOCAL_C_INCLUDES) $(LOCAL_DEFINES) -Wall -std=c99
 LOCAL_SRC_FILES := $(linux_SRC_FILES) $(LOCAL_SRC_FILES) $(COMMON_SRC_FILES)

xwords4/android/jni/xwjni.c

@@ -36,6 +36,7 @@
 #include "nli.h"
 #include "smsproto.h"
 #include "device.h"
+#include "knownplyr.h"
 
 #include "utilwrapper.h"
 #include "drawwrapper.h"
@@ -770,6 +771,42 @@ Java_org_eehouse_android_xw4_jni_XwJNI_dvc_1parseMQTTPacket
     DVC_HEADER_END();
 }
 
+JNIEXPORT jobjectArray JNICALL
+Java_org_eehouse_android_xw4_jni_XwJNI_kplr_1getPlayers
+( JNIEnv* env, jclass C, jlong jniGlobalPtr )
+{
+    jobjectArray jnames = NULL;
+    DVC_HEADER(jniGlobalPtr);
+
+    XP_U16 nFound = 0;
+    kplr_getPlayers( globalState->dutil, env, NULL, &nFound );
+    if ( 0 < nFound ) {
+        const XP_UCHAR* names[nFound];
+        kplr_getPlayers( globalState->dutil, env, names, &nFound );
+        jnames = makeStringArray( env, nFound, names );
+    }
+    DVC_HEADER_END();
+    return jnames;
+}
+
+JNIEXPORT jobject JNICALL
+Java_org_eehouse_android_xw4_jni_XwJNI_kplr_1getAddr
+( JNIEnv* env, jclass C, jlong jniGlobalPtr, jstring jName )
+{
+    jobject jaddr = NULL;
+    DVC_HEADER(jniGlobalPtr);
+
+    CommsAddrRec addr;
+    const char* name = (*env)->GetStringUTFChars( env, jName, NULL );
+    kplr_getAddr( globalState->dutil, env, name, &addr );
+    (*env)->ReleaseStringUTFChars( env, jName, name );
+    jaddr = makeObjectEmptyConst( env, PKG_PATH("jni/CommsAddrRec") );
+    setJAddrRec( env, jaddr, &addr );
+
+    DVC_HEADER_END();
+    return jaddr;
+}
+
 JNIEXPORT jbyteArray JNICALL
 Java_org_eehouse_android_xw4_jni_XwJNI_gi_1to_1stream
 ( JNIEnv* env, jclass C, jlong jniGlobalPtr, jobject jgi )