mirror of
https://github.com/ibm-s390-linux/s390-tools.git
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b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/*
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* FCP report generators
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*
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* Class for reading messages into frames.
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*
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* Copyright IBM Corp. 2008, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef ZIOREP_FRAMER
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#define ZIOREP_FRAMER
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#include <list>
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#include "ziorep_filters.hpp"
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#include "ziorep_frameset.hpp"
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using std::list;
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extern "C" {
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#include "ziomon_dacc.h"
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}
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class Framer {
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public:
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/**
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* Note: Filter parameters transfer memory ownership to class.
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* 'filter_types' is an optional list of message types that should
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* be processed exclusively, anything else will be ignored. If not set,
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* all messages will be processed.
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*/
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Framer(__u64 begin, __u64 end, __u32 interval_length,
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list<MsgTypes> *filter_types, DeviceFilter *devFilter,
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const char *filename, int *rc);
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~Framer();
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/**
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* Retrieve the next set of messages.
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* Returns 0 in case of success, <0 in case of failure
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* and >0 in case end of data has been reached.
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* Set 'replace_missing' to fill in for non-present datasets.
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* E.g. if no utilization data was found in the interval (since there
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* was no traffic), a dataset with the expected number of samples
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* (but all 0s for the values) will be generated.
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*/
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int get_next_frameset(Frameset &frameset, bool replace_missing = false);
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private:
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void handle_msg(struct message *msg, Frameset &frameset) const;
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bool handle_agg_data(Frameset &frameset) const;
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/* timestamps of samples to consider
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* These are exact timestamps, we shift them a bit to make sure that
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* we catch any late or early messages as well */
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__u64 m_begin;
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__u64 m_end;
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/// user-specified interval length
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__u32 m_interval_length;
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/* Criteria to identify the right messages */
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MsgTypeFilter *m_type_filter;
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DeviceFilter *m_device_filter;
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// filename without extension
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const char *m_filename;
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FILE *m_fp;
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struct file_header m_fhdr;
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struct aggr_data *m_agg_data;
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/// indicates whether the .agg file was already read or not
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bool m_agg_read;
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};
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#endif
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