45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/*
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* Copyright (C) 2018, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_STATS_LOG_STATS_WRITER_H
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#define ANDROID_STATS_LOG_STATS_WRITER_H
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#include <pthread.h>
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#include <stdatomic.h>
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#include <sys/socket.h>
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/**
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* Internal lock should not be exposed. This is bad design.
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* TODO: rewrite it in c++ code and encapsulate the functionality in a
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* StatsdWriter class.
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*/
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void statsd_writer_init_lock();
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int statsd_writer_init_trylock();
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void statsd_writer_init_unlock();
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struct android_log_transport_write {
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const char* name; /* human name to describe the transport */
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atomic_int sock;
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int (*available)(); /* Does not cause resources to be taken */
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int (*open)(); /* can be called multiple times, reusing current resources */
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void (*close)(); /* free up resources */
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/* write log to transport, returns number of bytes propagated, or -errno */
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int (*write)(struct timespec* ts, struct iovec* vec, size_t nr);
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/* note one log drop */
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void (*noteDrop)(int error, int tag);
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};
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#endif // ANDROID_STATS_LOG_STATS_WRITER_H
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