91 lines
1.5 KiB
C++
91 lines
1.5 KiB
C++
/*
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* Copyright (C) 2022 Intel Corporation.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <iostream>
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#include <unordered_map>
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#include <string>
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#include <semaphore.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "ivshmemlib.h"
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using namespace std;
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class LatencyCounter
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{
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public:
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//A total count of the latencies
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unsigned int latenciesCount;
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/*Used for sending the data needed for the histogram to python
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First value is the latency data point, second value is the count*/
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unordered_map<int,int> *latencyValues;
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LatencyCounter()
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{
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latenciesCount = 0;
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latencyValues = new unordered_map<int,int>();
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}
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~LatencyCounter()
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{
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latenciesCount = 0;
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delete latencyValues;
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}
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/*
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void clear(void)
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This method clears the latency counter
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*/
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void clear(void)
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{
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latenciesCount = 0;
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latencyValues->clear();
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}
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};
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#define SHM_KEY "/pyservershm"
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#define SHM_ID 1337
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#define SHM_SIZE 1048576
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#define SEM_KEY "/pyserversem"
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#define BUFFERSIZE 256
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//Used for synchronizing between the webserver and the data
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sem_t *web_sem;
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//Shared memory region between userapp and webapp
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char *shm_addr;
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//Used for holding the data from cyclictest
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char data_buffer[BUFFERSIZE] = {0};
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char *search_str;
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char *setup_ipcomms(void);
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char *setup_shm_region(void);
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int remove_shm_region(void *);
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int process_data(LatencyCounter&);
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int dump_data(LatencyCounter&, char *);
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void sig_handler(int);
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