d981d91dfa
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@816 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
/*
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* mergeManager.h
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*
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* Created on: May 19, 2010
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* Author: sears
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*/
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#ifndef MERGEMANAGER_H_
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#define MERGEMANAGER_H_
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#include <stasis/common.h>
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#undef try
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#undef end
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#include <sys/time.h>
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#include <stdio.h>
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#include <datatuple.h>
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template<class TUPLE>
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class logtable;
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class mergeStats;
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class mergeManager {
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public:
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double tv_to_double(struct timeval * tv) {
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return (double)tv->tv_sec + ((double)tv->tv_usec)/1000000.0;
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}
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double ts_to_double(struct timespec * ts) {
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return (double)ts->tv_sec + ((double)ts->tv_nsec)/1000000000.0;
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}
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void double_to_ts(struct timespec *ts, double time) {
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ts->tv_sec = (time_t)(time);
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ts->tv_nsec = (long)((time - (double)ts->tv_sec) * 1000000000.0);
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}
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uint64_t long_tv(struct timeval& tv) {
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return (1000000ULL * (uint64_t)tv.tv_sec) + ((uint64_t)tv.tv_usec);
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}
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mergeManager(logtable<datatuple> *ltable);
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~mergeManager();
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void new_merge(mergeStats * s);
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void set_c0_size(int64_t size);
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void tick(mergeStats * s, bool block);
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void pretty_print(FILE * out);
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mergeStats* get_merge_stats(int mergeLevel);
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private:
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pthread_mutex_t mut;
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logtable<datatuple>* ltable;
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double throttle_seconds;
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// double elapsed_seconds;
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double last_throttle_seconds;
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// double last_elapsed_seconds;
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mergeStats * c0;
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mergeStats * c1;
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mergeStats * c2;
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pthread_mutex_t throttle_mut;
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pthread_mutex_t dummy_throttle_mut;
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pthread_cond_t dummy_throttle_cond;
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pthread_cond_t throttle_wokeup_cond;
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bool sleeping[3];
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int print_skipped;
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};
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#endif /* MERGEMANAGER_H_ */
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