63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
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* Copyright 2019-2024 OARC, Inc.
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* Copyright 2017-2018 Akamai Technologies
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* Copyright 2006-2016 Nominum, Inc.
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* All rights reserved.
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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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#include "result.h"
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#include "buffer.h"
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#ifndef PERF_DATAFILE_H
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#define PERF_DATAFILE_H 1
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#include <pthread.h>
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#include <stdbool.h>
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#include <stdint.h>
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typedef enum {
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input_format_text_query,
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input_format_text_update,
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input_format_tcp_wire_format
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} perf_input_format_t;
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typedef struct perf_datafile perf_datafile_t;
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struct perf_datafile {
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pthread_mutex_t lock;
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int pipe_fd;
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int fd;
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bool is_file;
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size_t size, at, have;
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bool cached;
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char databuf[(64 * 1024) + sizeof(uint16_t)]; /* pad for null-terminated string or TCP wire length */
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unsigned int maxruns;
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unsigned int nruns;
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bool read_any;
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perf_input_format_t format;
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perf_result_t (*readfunc)(perf_datafile_t* dfile, perf_buffer_t* lines);
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};
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perf_datafile_t* perf_datafile_open(const char* filename, perf_input_format_t format);
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void perf_datafile_close(perf_datafile_t** dfilep);
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void perf_datafile_setmaxruns(perf_datafile_t* dfile, unsigned int maxruns);
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void perf_datafile_setpipefd(perf_datafile_t* dfile, int pipe_fd);
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perf_result_t perf_datafile_next(perf_datafile_t* dfile, perf_buffer_t* lines);
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unsigned int perf_datafile_nruns(const perf_datafile_t* dfile);
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#endif
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