raft_entry_t *log_peektail(log_t * me_)
{
log_private_t* me = (log_private_t*)me_;
if (0 == log_count(me_))
return NULL;
if (0 == me->back)
return &me->entries[me->size - 1];
else
return &me->entries[me->back - 1];
}
void *log_poll(log_t * me_)
{
log_private_t* me = (log_private_t*)me_;
if (0 == log_count(me_))
return NULL;
const void *elem = &me->entries[me->front];
if (me->cb && me->cb->log_poll)
me->cb->log_poll(me->raft, raft_get_udata(me->raft),
&me->entries[me->front], me->front);
me->front++;
me->count--;
me->base_log_idx++;
return (void*)elem;
}
void log_delete(log_t* me_, int idx)
{
log_private_t* me = (log_private_t*)me_;
int end;
/* idx starts at 1 */
idx -= 1;
idx -= me->base_log_idx;
for (end = log_count(me_); idx < end; idx++)
{
if (me->cb && me->cb->log_pop)
me->cb->log_pop(me->raft, raft_get_udata(me->raft),
&me->entries[me->back], me->back);
me->back--;
me->count--;
}
}
/*
* Entry point: WordCounter
* The word counter reads file names from the files queue, one by one, and counts the words in them.
* It will write the result to a log file.
* Then it should free the memory of the dequeued file name string (it was allocated by the Listener thread).
* If the dequeue operation fails (returns NULL), it means that the application is trying
* to exit and therefore the thread should simply terminate.
*/
void *run_wordcounter(void *param) {
WordCounterData *data;
BoundedBuffer *buff;
int word_count;
char *dequeued_file;
data = (WordCounterData*) param;
buff = data->buff;
// Keep dequeuing until signal is given to exit application (NULL)
while ((dequeued_file = bounded_buffer_dequeue(buff)) != NULL) {
// Count words in file
word_count = count_words_in_file(dequeued_file);
// Log
log_count(data, dequeued_file, word_count);
// Free buffer holding the file name
free(dequeued_file);
}
return NULL;
}
int raft_get_log_count(raft_server_t* me_)
{
raft_server_private_t* me = (raft_server_private_t*)me_;
return log_count(me->log);
}
int log_get_current_idx(log_t* me_)
{
log_private_t* me = (log_private_t*)me_;
return log_count(me_) + me->base;
}
