stasis-aries-wal/test/lladd/check_multiplexer.c

/*---
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---*/
#include <lladd/transactional.h>
#include <pbl/pbl.h>
#include <stdlib.h>
#include <string.h>
#include <config.h>
#include <check.h>

#include <assert.h>

#include "../check_includes.h"

#include <lladd/multiplexer.h>
#include "../../src/lladd/logger/logMemory.h"
//#include <lladd/fifo.h>

#include <sys/time.h>
#include <time.h>

#define LOG_NAME   "check_iterator.log"

#define NUM_BYTES_IN_FIFO 1000
#define NUM_INSERTS 100000
#define NUM_THREADS 500

lsn_t * array;

static pthread_mutex_t mutex;
static pthread_cond_t  never;


static void * go( void * arg) {
  lladdIterator_t * it = (lladdIterator_t *) arg;

  pthread_mutex_lock(&mutex);
  pthread_mutex_unlock(&mutex);
  
  int itRet = 0;
  while((itRet = Titerator_next(-1, it))) {
    byte * key, * value;
    int keySize, valueSize;
    
    keySize   = Titerator_key  (-1, it, &key);
    valueSize = Titerator_value(-1, it, &value);
    
    assert(keySize == sizeof(lsn_t));
    LogEntry * e = (LogEntry*)value;
    linearHash_remove_arg * arg = (linearHash_remove_arg*)getUpdateArgs(e);
    
    assert(arg->keySize == sizeof(lsn_t));
    assert(arg->valueSize == sizeof(char));
    
    lsn_t i = *(lsn_t*)(arg+1);
    array[i]++;
    assert(array[i] == 1);

    Titerator_tupleDone(-1, it);

  }  
  Titerator_close(-1, it);
  return NULL;
}
static void * trygo( void * arg) {
  lladdIterator_t * it = (lladdIterator_t *) arg;

  pthread_mutex_lock(&mutex);
  pthread_mutex_unlock(&mutex);
  
  int itRet = 0;
  assert(it->type >= 0 && it->type < MAX_ITERATOR_TYPES);
  while((itRet = Titerator_tryNext(-1, it))) {
    assert(it->type >= 0 && it->type < MAX_ITERATOR_TYPES);
  
    byte * key, * value;
    int keySize, valueSize;
    
    keySize   = Titerator_key  (-1, it, &key);
    valueSize = Titerator_value(-1, it, &value);
    
    assert(keySize == sizeof(lsn_t));
    LogEntry * e = (LogEntry*)value;
    linearHash_remove_arg * arg = (linearHash_remove_arg*)getUpdateArgs(e);
    
    assert(arg->keySize == sizeof(lsn_t));
    assert(arg->valueSize == sizeof(char));
    
    lsn_t i = *(lsn_t*)(arg+1);
    array[i]++;
    assert(*(lsn_t*)key == i);
    assert(array[i] == 1);

    Titerator_tupleDone(-1, it);

  }  
  return NULL;
}

static void * go2( void * arg) {
  lladdIterator_t * it = (lladdIterator_t *) arg;

  pthread_mutex_lock(&mutex);
  pthread_mutex_unlock(&mutex);
  
  int itRet = 0;
  while((itRet = Titerator_next(-1, it))) {

    lladdFifo_t ** dirtyFifo_ptr;
    lladdFifo_t *** bdirtyFifo_ptr = &dirtyFifo_ptr;
    lladdFifo_t *  dirtyFifo;
    int dirtyFifoSize = Titerator_value(-1, it, (byte**)bdirtyFifo_ptr);
    
    dirtyFifo = * dirtyFifo_ptr;

    assert(dirtyFifo->iterator->type >= 0 && dirtyFifo->iterator->type < MAX_ITERATOR_TYPES);    

    Titerator_tupleDone(-1, it);

    assert(dirtyFifoSize == sizeof(lladdFifo_t *));
    assert(dirtyFifo->iterator->type >= 0 && dirtyFifo->iterator->type < MAX_ITERATOR_TYPES);    

    trygo(dirtyFifo->iterator);
  }  
  return NULL;
}

/**
   @test 

*/


START_TEST(multiplexTest) {
  Tinit();
  int xid = Tbegin();

  recordid hash = ThashCreate(xid, sizeof(lsn_t), VARIABLE_LENGTH);
  linearHash_remove_arg * arg = malloc(sizeof(linearHash_remove_arg) + sizeof(lsn_t) + sizeof(char));
  arg->keySize = sizeof(lsn_t);
  arg->valueSize = sizeof(char);


  lsn_t i;

  array = (lsn_t*)calloc(NUM_INSERTS, sizeof(lsn_t));

  for(i = 0; i < NUM_INSERTS; i++) { 

    (*(lsn_t*)(arg+1)) = i;
    LogEntry * e = allocUpdateLogEntry(-1, -1, OPERATION_LINEAR_HASH_INSERT, NULLRID, (byte*)arg,
				       sizeof(linearHash_remove_arg) + sizeof(lsn_t) + sizeof(char), NULL);
    
    ThashInsert(xid, hash, (byte*)&i, sizeof(lsn_t), (byte*)e, sizeofLogEntry(e));


    free(e);

  }

  free(arg);
  Tcommit(xid);

  lladdIterator_t * it = ThashGenericIterator(xid, hash);
  lladdFifo_t * dirtyFifos = logMemoryFifo((lsn_t)(((double)NUM_INSERTS) * 0.5), 0);   //  8 bytes of memory used per queued request.
  //lladdFifoPool_t * fifoPool = lladdFifoPool_ringBufferInit(NUM_THREADS, NUM_BYTES_IN_FIFO, NULL, dirtyFifos);
  lladdFifoPool_t * fifoPool = lladdFifoPool_pointerPoolInit(NUM_THREADS, NUM_BYTES_IN_FIFO/10, NULL, dirtyFifos);

  lladdMultiplexer_t * mux = lladdMultiplexer_alloc(xid, it, 
						    &multiplexHashLogByKey, 
						    fifoPool);
  

  // now, read from fifos, checking to see if everything is well.  (Need to spawn one thread per fifo.) 

  
  /* threads have static stack sizes.  Ughh. */
  pthread_attr_t attr;
  pthread_attr_init(&attr);

  pthread_mutex_init(&mutex, NULL);
  pthread_cond_init(&never, NULL);

  pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
  // pthread_attr_setschedpolicy(&attr, SCHED_FIFO);
  pthread_mutex_lock(&mutex);

  lladdMultiplexer_start(mux, &attr);

  //  printf("->(%d)", fifoPool->fifoCount); fflush(stdout);

  pthread_t * workers = malloc(sizeof(pthread_t) * fifoPool->fifoCount);

  for(i = 0 ; i < fifoPool->fifoCount; i+=2) {
    //   lladdConsumer_t * consumer = fifoPool->pool[i]->consumer;
    lladdIterator_t * iterator = fifoPool->pool[i]->iterator;

    //    printf("%d ", i);

    pthread_create(&workers[i], &attr, go, iterator);
    pthread_create(&workers[i+1], &attr, go2, dirtyFifos->iterator);
    
  }
  //  printf("<-(%d)", fifoPool->fifoCount); fflush(stdout);
				
  // This thread runs down the dirty list, consuming idle fifos' contents in
  // case other threads are busy, or not interested.

  //  pthread_create(&cleaner, &attr, go2, dirtyFifos->iterator);  

  pthread_mutex_unlock(&mutex);
  
  lladdMultiplexer_join(mux);

  for(i = 0; i < fifoPool->fifoCount; i+=2) {
    pthread_join(workers[i], NULL);    
    pthread_join(workers[i+1], NULL);    
  }

  for(i = 0; i < NUM_INSERTS; i++) {
    assert(array[i] == 1);
  }

  //  pthread_join(cleaner, NULL);

} END_TEST


Suite * check_suite(void) {
  Suite *s = suite_create("multiplexer");
  /* Begin a new test */
  TCase *tc = tcase_create("multiplexer");

  tcase_set_timeout(tc, 0); // disable timeouts
  /* Sub tests are added, one per line, here */

  tcase_add_test(tc, multiplexTest);

  /* --------------------------------------------- */
  
  tcase_add_checked_fixture(tc, setup, teardown);


  suite_add_tcase(s, tc);
  return s;
}

#include "../check_setup.h"