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New class FileRotatingStreamReader

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When landed, the FileRotatingStream class can be made write-only.

Bug: webrtc:7811
Change-Id: I6dcd2a869301b9b8273b48d47df51a1065767ffd
Reviewed-on: https://webrtc-review.googlesource.com/c/115302
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26126}
This commit is contained in:
Niels Möller
2019-01-03 14:21:38 +01:00
committed by Commit Bot
parent fd87da7a4b
commit d9ac058464
5 changed files with 98 additions and 27 deletions
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16
sdk/android/src/jni/pc/callsessionfilerotatinglogsink.cc
View File

@ -50,23 +50,17 @@ JNI_CallSessionFileRotatingLogSink_GetLogData(
JNIEnv* jni,
const JavaParamRef<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()) {
RTC_LOG_V(rtc::LoggingSeverity::LS_WARNING)
<< "Failed to open CallSessionFileRotatingStream for path " << dir_path;
return ScopedJavaLocalRef<jbyteArray>(jni, jni->NewByteArray(0));
}
size_t log_size = 0;
if (!stream->GetSize(&log_size) || log_size == 0) {
rtc::CallSessionFileRotatingStreamReader file_reader(dir_path);
size_t log_size = file_reader.GetSize();
if (log_size == 0) {
RTC_LOG_V(rtc::LoggingSeverity::LS_WARNING)
<< "CallSessionFileRotatingStream returns 0 size for path " << dir_path;
return ScopedJavaLocalRef<jbyteArray>(jni, jni->NewByteArray(0));
}
size_t read = 0;
// TODO(nisse, sakal): To avoid copying, change api to use ByteBuffer.
std::unique_ptr<jbyte> buffer(static_cast<jbyte*>(malloc(log_size)));
stream->ReadAll(buffer.get(), log_size, &read, nullptr);
size_t read = file_reader.ReadAll(buffer.get(), log_size);
ScopedJavaLocalRef<jbyteArray> result =
ScopedJavaLocalRef<jbyteArray>(jni, jni->NewByteArray(read));