Bind a socket to a network if the network handle is set.

talk/app/webrtc/java/jni/jni_helpers.cc

Index: talk/app/webrtc/java/jni/jni_helpers.cc
diff --git a/talk/app/webrtc/java/jni/jni_helpers.cc b/talk/app/webrtc/java/jni/jni_helpers.cc
index 3a7ff21e77257bb094c0ab0ce3b34d28e0665103..25b340ff79a9902ba2ad7e7a0eeb72db497cbee6 100644
--- a/talk/app/webrtc/java/jni/jni_helpers.cc
+++ b/talk/app/webrtc/java/jni/jni_helpers.cc
@@ -27,6 +27,8 @@
  */
 #include "talk/app/webrtc/java/jni/jni_helpers.h"
 
+#include "talk/app/webrtc/java/jni/classreferenceholder.h"
+
 #include <asm/unistd.h>
 #include <sys/prctl.h>
 #include <sys/syscall.h>
@@ -256,6 +258,19 @@ jobject JavaEnumFromIndex(JNIEnv* jni, jclass state_class,
   return ret;
 }
 
+std::string GetJavaEnumName(JNIEnv* jni,
+                            const std::string& className,
+                            jobject j_enum) {
+  jclass enumClass = FindClass(jni, className.c_str());
+  jmethodID nameMethod =
+      GetMethodID(jni, enumClass, "name", "()Ljava/lang/String;");
+  jstring name =
+      reinterpret_cast<jstring>(jni->CallObjectMethod(j_enum, nameMethod));
+  CHECK_EXCEPTION(jni) << "error during CallObjectMethod for " << className
+                       << ".name";
+  return JavaToStdString(jni, name);
+}
+
 jobject NewGlobalRef(JNIEnv* jni, jobject o) {
   jobject ret = jni->NewGlobalRef(o);
   CHECK_EXCEPTION(jni) << "error during NewGlobalRef";