Diff

Differences From Artifact [07cd352593]:

To Artifact [7391155930]:


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	unsigned int idx;
	int mutex_init_ret;

	/* Cache may not be re-initialized */
	if (filed_fileinfo_fdcache_size != 0 || filed_fileinfo_fdcache != NULL) {
		return(1);
	}






	/* Allocate cache */
	filed_fileinfo_fdcache_size = cache_size;
	filed_fileinfo_fdcache = malloc(sizeof(*filed_fileinfo_fdcache) * filed_fileinfo_fdcache_size);
	if (filed_fileinfo_fdcache == NULL) {
		return(1);
	}
................................................................................
/* Open a file and return file information */
static struct filed_fileinfo *filed_open_file(const char *path, struct filed_fileinfo *buffer) {
	struct filed_fileinfo *cache;
	unsigned int cache_idx;
	off_t len;
	int fd;


	cache_idx = filed_hash((const unsigned char *) path, filed_fileinfo_fdcache_size);

	cache = &filed_fileinfo_fdcache[cache_idx];

	filed_log_msg_debug("Locking mutex for idx: %lu", (unsigned long) cache_idx);

	pthread_mutex_lock(&cache->mutex);

	filed_log_msg_debug("Completed locking mutex for idx: %lu", (unsigned long) cache_idx);







	if (strcmp(path, cache->path) != 0) {
		filed_log_msg_debug("Cache miss for idx: %lu: OLD \"%s\", NEW \"%s\"", (unsigned long) cache_idx, cache->path, path);

		fd = open(path, O_RDONLY | O_LARGEFILE);
		if (fd < 0) {

			pthread_mutex_unlock(&cache->mutex);


			return(NULL);
		}

		if (cache->fd >= 0) {
			close(cache->fd);
		}
................................................................................

		/* XXX:TODO: Determine */
		cache->lastmod = filed_format_time(cache->lastmod_b, sizeof(cache->lastmod_b), time(NULL) - 30);
	} else {
		filed_log_msg_debug("Cache hit for idx: %lu: PATH \"%s\"", (unsigned long) cache_idx, path);
	}


	/*
	 * We have to make a duplicate FD, because once we release the cache
	 * mutex, the file descriptor may be closed
	 */
	fd = dup(cache->fd);
	if (fd < 0) {
		pthread_mutex_unlock(&cache->mutex);

		return(NULL);
	}

	buffer->fd = fd;
	buffer->len = cache->len;
	buffer->type = cache->type;
	memcpy(buffer->lastmod_b, cache->lastmod_b, sizeof(buffer->lastmod_b));
	memcpy(buffer->etag, cache->etag, sizeof(buffer->etag));
	buffer->lastmod = buffer->lastmod_b + (cache->lastmod - cache->lastmod_b);

	pthread_mutex_unlock(&cache->mutex);


	return(buffer);
}

/* Process an HTTP request and return the path requested */
static struct filed_http_request *filed_get_http_request(FILE *fp, struct filed_http_request *buffer_st, struct filed_options *options) {
	char *method, *path;
	char *buffer, *workbuffer, *workbuffer_next;







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	unsigned int idx;
	int mutex_init_ret;

	/* Cache may not be re-initialized */
	if (filed_fileinfo_fdcache_size != 0 || filed_fileinfo_fdcache != NULL) {
		return(1);
	}

	/* Cache does not need to be allocated if cache is not enabled */
	if (cache_size == 0) {
		return(0);
	}

	/* Allocate cache */
	filed_fileinfo_fdcache_size = cache_size;
	filed_fileinfo_fdcache = malloc(sizeof(*filed_fileinfo_fdcache) * filed_fileinfo_fdcache_size);
	if (filed_fileinfo_fdcache == NULL) {
		return(1);
	}
................................................................................
/* Open a file and return file information */
static struct filed_fileinfo *filed_open_file(const char *path, struct filed_fileinfo *buffer) {
	struct filed_fileinfo *cache;
	unsigned int cache_idx;
	off_t len;
	int fd;

	if (filed_fileinfo_fdcache_size != 0) {
		cache_idx = filed_hash((const unsigned char *) path, filed_fileinfo_fdcache_size);

		cache = &filed_fileinfo_fdcache[cache_idx];

		filed_log_msg_debug("Locking mutex for idx: %lu", (unsigned long) cache_idx);

		pthread_mutex_lock(&cache->mutex);

		filed_log_msg_debug("Completed locking mutex for idx: %lu", (unsigned long) cache_idx);
	} else {
		cache_idx = 0;
		cache = buffer;
		cache->path[0] = '\0';
		cache->fd = -1;
	}

	if (strcmp(path, cache->path) != 0) {
		filed_log_msg_debug("Cache miss for idx: %lu: OLD \"%s\", NEW \"%s\"", (unsigned long) cache_idx, cache->path, path);

		fd = open(path, O_RDONLY | O_LARGEFILE);
		if (fd < 0) {
			if (filed_fileinfo_fdcache_size != 0) {
				pthread_mutex_unlock(&cache->mutex);
			}

			return(NULL);
		}

		if (cache->fd >= 0) {
			close(cache->fd);
		}
................................................................................

		/* XXX:TODO: Determine */
		cache->lastmod = filed_format_time(cache->lastmod_b, sizeof(cache->lastmod_b), time(NULL) - 30);
	} else {
		filed_log_msg_debug("Cache hit for idx: %lu: PATH \"%s\"", (unsigned long) cache_idx, path);
	}

	if (filed_fileinfo_fdcache_size != 0) {
		/*
		 * We have to make a duplicate FD, because once we release the cache
		 * mutex, the file descriptor may be closed
		 */
		fd = dup(cache->fd);
		if (fd < 0) {
			pthread_mutex_unlock(&cache->mutex);

			return(NULL);
		}

		buffer->fd = fd;
		buffer->len = cache->len;
		buffer->type = cache->type;
		memcpy(buffer->lastmod_b, cache->lastmod_b, sizeof(buffer->lastmod_b));
		memcpy(buffer->etag, cache->etag, sizeof(buffer->etag));
		buffer->lastmod = buffer->lastmod_b + (cache->lastmod - cache->lastmod_b);

		pthread_mutex_unlock(&cache->mutex);
	}

	return(buffer);
}

/* Process an HTTP request and return the path requested */
static struct filed_http_request *filed_get_http_request(FILE *fp, struct filed_http_request *buffer_st, struct filed_options *options) {
	char *method, *path;
	char *buffer, *workbuffer, *workbuffer_next;