Relanding: Break peerconnection_jni.cc into multiple files, in "pc" directory.

webrtc/sdk/android/src/jni/pc/callsessionfilerotatinglogsink_jni.cc

+/*
+ *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/rtc_base/logsinks.h"
+#include "webrtc/sdk/android/src/jni/jni_helpers.h"
+
+namespace webrtc_jni {
+
+JOW(jlong, CallSessionFileRotatingLogSink_nativeAddSink)
+(JNIEnv* jni, jclass, jstring j_dirPath, jint j_maxFileSize, jint j_severity) {
+  std::string dir_path = JavaToStdString(jni, j_dirPath);
+  rtc::CallSessionFileRotatingLogSink* sink =
+      new rtc::CallSessionFileRotatingLogSink(dir_path, j_maxFileSize);
+  if (!sink->Init()) {
+    LOG_V(rtc::LoggingSeverity::LS_WARNING)
+        << "Failed to init CallSessionFileRotatingLogSink for path "
+        << dir_path;
+    delete sink;
+    return 0;
+  }
+  rtc::LogMessage::AddLogToStream(
+      sink, static_cast<rtc::LoggingSeverity>(j_severity));
+  return (jlong)sink;
+}
+
+JOW(void, CallSessionFileRotatingLogSink_nativeDeleteSink)
+(JNIEnv* jni, jclass, jlong j_sink) {
+  rtc::CallSessionFileRotatingLogSink* sink =
+      reinterpret_cast<rtc::CallSessionFileRotatingLogSink*>(j_sink);
+  rtc::LogMessage::RemoveLogToStream(sink);
+  delete sink;
+}
+
+JOW(jbyteArray, CallSessionFileRotatingLogSink_nativeGetLogData)
+(JNIEnv* jni, jclass, jstring j_dirPath) {
+  std::string dir_path = JavaToStdString(jni, j_dirPath);
+  std::unique_ptr<rtc::CallSessionFileRotatingStream> stream(
+      new rtc::CallSessionFileRotatingStream(dir_path));
+  if (!stream->Open()) {
+    LOG_V(rtc::LoggingSeverity::LS_WARNING)
+        << "Failed to open CallSessionFileRotatingStream for path " << dir_path;
+    return jni->NewByteArray(0);
+  }
+  size_t log_size = 0;
+  if (!stream->GetSize(&log_size) || log_size == 0) {
+    LOG_V(rtc::LoggingSeverity::LS_WARNING)
+        << "CallSessionFileRotatingStream returns 0 size for path " << dir_path;
+    return jni->NewByteArray(0);
+  }
+
+  size_t read = 0;
+  std::unique_ptr<jbyte> buffer(static_cast<jbyte*>(malloc(log_size)));
+  stream->ReadAll(buffer.get(), log_size, &read, nullptr);
+
+  jbyteArray result = jni->NewByteArray(read);
+  jni->SetByteArrayRegion(result, 0, read, buffer.get());
+
+  return result;
+}
+
+}  // namespace webrtc_jni