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#include <stdio.h>
#include <string.h>
#include <wctype.h>
#include <wchar.h>
#include <pthread.h>
#include "parsing.h"
#include "channel.h"
#include "user.h"
#include "word.h"
#include "export_xml.h"
#define NICK_BUFFER_SIZE 0x100
#define TEXT_BUFFER_SIZE 0x400
#define LINE_BUFFER_SIZE 0x400
#define TIME_BUFFER_SIZE 0xf
pthread_mutex_t user_mutex, word_mutex;
static void process_file(FILE *f, struct channel_t *channel, struct regexset_t *rs) {
char line[LINE_BUFFER_SIZE];
while(fgets(line, LINE_BUFFER_SIZE, f)) {
int rc;
int ovector[30];
rc = pcre_exec(rs->text, rs->text_e, line, strlen(line), 0, 0, ovector, 30);
if(rc > 0) {
char nick[NICK_BUFFER_SIZE], text[TEXT_BUFFER_SIZE], hour_s[TIME_BUFFER_SIZE], min_s[TIME_BUFFER_SIZE];
pcre_copy_named_substring(rs->text, line, ovector, rc, "nick", nick, NICK_BUFFER_SIZE);
pcre_copy_named_substring(rs->text, line, ovector, rc, "text", text, TEXT_BUFFER_SIZE);
pcre_copy_named_substring(rs->text, line, ovector, rc, "hour", hour_s, TIME_BUFFER_SIZE);
pcre_copy_named_substring(rs->text, line, ovector, rc, "minute", min_s, TIME_BUFFER_SIZE);
pthread_mutex_lock(&user_mutex);
struct user_t *user = user_get(nick);
pthread_mutex_unlock(&user_mutex);
/* Calculate array index for lines. */
int hour, min, time_i;
hour = atoi(hour_s);
min = atoi(min_s);
time_i = hour*4 + min / 15;
user->lines[time_i]++;
channel->hours[time_i]++;
/* Count words. */
wchar_t wtext[TEXT_BUFFER_SIZE];
mbstowcs(wtext, text, TEXT_BUFFER_SIZE);
user->characters += wcslen(wtext);
wchar_t word[TEXT_BUFFER_SIZE];
wchar_t *end = wcschr(wtext, '\0');
*word = '\0';
int len = 0;
for(wchar_t *pos = wtext; pos < end; pos++) {
if(iswblank(*pos)) {
if(len) {
user->words++;
word[len] = '\0';
char mbword[TEXT_BUFFER_SIZE];
wcstombs(mbword, word, TEXT_BUFFER_SIZE);
pthread_mutex_lock(&word_mutex);
struct word_t *word_s = word_get(mbword);
pthread_mutex_unlock(&word_mutex);
word_s->count++;
}
len = 0;
*word = '\0';
} else if(iswalpha(*pos)) {
word[len++] = towlower(*pos);
} else {
len = 0;
*word = '\0';
}
}
if(len) {
user->words++;
word[len] = '\0';
char mbword[TEXT_BUFFER_SIZE];
wcstombs(mbword, word, TEXT_BUFFER_SIZE);
pthread_mutex_lock(&word_mutex);
struct word_t *word_s = word_get(mbword);
pthread_mutex_unlock(&word_mutex);
word_s->count++;
}
continue;
}
rc = pcre_exec(rs->join, rs->join_e, line, strlen(line), 0, 0, ovector, 30);
if(rc > 0) {
char nick[NICK_BUFFER_SIZE];
pcre_copy_named_substring(rs->join, line, ovector, rc, "nick", nick, NICK_BUFFER_SIZE);
pthread_mutex_lock(&user_mutex);
struct user_t *user = user_get(nick);
pthread_mutex_unlock(&user_mutex);
continue;
}
rc = pcre_exec(rs->kick, rs->kick_e, line, strlen(line), 0, 0, ovector, 30);
if(rc > 0) {
char nick[NICK_BUFFER_SIZE], victim[NICK_BUFFER_SIZE];
pcre_copy_named_substring(rs->kick, line, ovector, rc, "nick", nick, NICK_BUFFER_SIZE);
pcre_copy_named_substring(rs->kick, line, ovector, rc, "victim", victim, NICK_BUFFER_SIZE);
pthread_mutex_lock(&user_mutex);
struct user_t *user = user_get(nick),
*victim_user = user_get(victim);
pthread_mutex_unlock(&user_mutex);
user->kicks++;
victim_user->kicked++;
continue;
}
}
}
struct thread_arg_t {
FILE *f;
struct channel_t *channel;
struct regexset_t *rs;
};
static void *thread_func(void *arg) {
struct thread_arg_t *ta = arg;
process_file(ta->f, ta->channel, ta->rs);
}
void process(int thread_n) {
pthread_mutex_init(&user_mutex, NULL);
pthread_mutex_init(&word_mutex, NULL);
/* Parsing stuff goes here. */
for(int chan_i = 0; chan_i < channel_get_count(); chan_i++) {
user_init();
word_init();
struct channel_t *channel = channel_get(chan_i);
printf("Channel %s\n", channel->name);
struct channel_file_t *file = channel->files;
while(file) {
struct regexset_t *rs = file->rs;
FILE *f = fopen(file->path, "r");
if(!f) {
fprintf(stderr, "\tFailed to open %s\n", file->path);
file = file->next;
continue;
} else
printf("\tParsing %s\n", file->path);
pthread_t *threads;
threads = malloc(sizeof(pthread_t) * thread_n);
struct thread_arg_t ta;
ta.f = f;
ta.channel = channel;
ta.rs = rs;
for(int i = 0; i < thread_n; i++) {
pthread_create(&threads[i], NULL, thread_func, &ta);
}
for(int i = 0; i < thread_n; i++) {
pthread_join(threads[i], NULL);
}
free(threads);
fclose(f);
file = file->next;
}
export_xml(channel, users);
user_free();
word_free();
}
pthread_mutex_destroy(&user_mutex);
pthread_mutex_destroy(&word_mutex);
}
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