liblog: convert to C++
Bug: 119867234
Test: liblog, logcat, logd unit tests
Change-Id: I2a33b6fc37f9860c0041e3573bfb59ea389f623c
diff --git a/liblog/config_read.cpp b/liblog/config_read.cpp
new file mode 100644
index 0000000..80177a4
--- /dev/null
+++ b/liblog/config_read.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <log/log_transport.h>
+
+#include "config_read.h"
+#include "logger.h"
+
+LIBLOG_HIDDEN struct listnode __android_log_transport_read = {&__android_log_transport_read,
+ &__android_log_transport_read};
+LIBLOG_HIDDEN struct listnode __android_log_persist_read = {&__android_log_persist_read,
+ &__android_log_persist_read};
+
+static void __android_log_add_transport(struct listnode* list,
+ struct android_log_transport_read* transport) {
+ uint32_t i;
+
+ /* Try to keep one functioning transport for each log buffer id */
+ for (i = LOG_ID_MIN; i < LOG_ID_MAX; i++) {
+ struct android_log_transport_read* transp;
+
+ if (list_empty(list)) {
+ if (!transport->available || ((*transport->available)(static_cast<log_id_t>(i)) >= 0)) {
+ list_add_tail(list, &transport->node);
+ return;
+ }
+ } else {
+ read_transport_for_each(transp, list) {
+ if (!transp->available) {
+ return;
+ }
+ if (((*transp->available)(static_cast<log_id_t>(i)) < 0) &&
+ (!transport->available || ((*transport->available)(static_cast<log_id_t>(i)) >= 0))) {
+ list_add_tail(list, &transport->node);
+ return;
+ }
+ }
+ }
+ }
+}
+
+LIBLOG_HIDDEN void __android_log_config_read() {
+#if (FAKE_LOG_DEVICE == 0)
+ if ((__android_log_transport == LOGGER_DEFAULT) || (__android_log_transport & LOGGER_LOGD)) {
+ extern struct android_log_transport_read logdLoggerRead;
+ extern struct android_log_transport_read pmsgLoggerRead;
+
+ __android_log_add_transport(&__android_log_transport_read, &logdLoggerRead);
+ __android_log_add_transport(&__android_log_persist_read, &pmsgLoggerRead);
+ }
+#endif
+}
+
+LIBLOG_HIDDEN void __android_log_config_read_close() {
+ struct android_log_transport_read* transport;
+ struct listnode* n;
+
+ read_transport_for_each_safe(transport, n, &__android_log_transport_read) {
+ list_remove(&transport->node);
+ }
+ read_transport_for_each_safe(transport, n, &__android_log_persist_read) {
+ list_remove(&transport->node);
+ }
+}