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/*
* Copyright 2019-2022 OARC, Inc.
* Copyright 2017-2018 Akamai Technologies
* Copyright 2006-2016 Nominum, Inc.
* All rights reserved.
*
* 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 "result.h"
#include "buffer.h"
#ifndef PERF_DATAFILE_H
#define PERF_DATAFILE_H 1
#include <pthread.h>
#include <stdbool.h>
#include <stdint.h>
typedef enum {
input_format_text_query,
input_format_text_update,
input_format_tcp_wire_format
} perf_input_format_t;
typedef struct perf_datafile perf_datafile_t;
struct perf_datafile {
pthread_mutex_t lock;
int pipe_fd;
int fd;
bool is_file;
size_t size, at, have;
bool cached;
char databuf[(64 * 1024) + sizeof(uint16_t)]; /* pad for null-terminated string or TCP wire length */
unsigned int maxruns;
unsigned int nruns;
bool read_any;
perf_input_format_t format;
perf_result_t (*readfunc)(perf_datafile_t* dfile, perf_buffer_t* lines);
};
perf_datafile_t* perf_datafile_open(const char* filename, perf_input_format_t format);
void perf_datafile_close(perf_datafile_t** dfilep);
void perf_datafile_setmaxruns(perf_datafile_t* dfile, unsigned int maxruns);
void perf_datafile_setpipefd(perf_datafile_t* dfile, int pipe_fd);
perf_result_t perf_datafile_next(perf_datafile_t* dfile, perf_buffer_t* lines);
unsigned int perf_datafile_nruns(const perf_datafile_t* dfile);
#endif
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