* Add initial implementation of statistics files handling API

1 files changed, 61 insertions, 0 deletions

diff --git a/src/statfile.h b/src/statfile.h
new file mode 100644
index 000000000..801d1dae2
--- /dev/null
+++ b/src/statfile.h
@@ -0,0 +1,61 @@
+/*
+ * Describes common methods in accessing statistics files and caching them in memory
+ */
+
+#ifndef RSPAMD_STATFILE_H
+#define RSPAMD_STATFILE_H
+
+#include "config.h"
+#include <sys/types.h>
+#include <glib.h>
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#include "mem_pool.h"
+
+struct stat_file_header {
+	u_char magic[3];
+	u_char version[2];
+	uint64_t create_time;
+};
+
+struct stat_file_block {
+	uint32_t hash1;
+	uint32_t hash2;
+	uint32_t value; /* In fact this is float */
+	uint32_t last_access;
+};
+
+struct stat_file {
+	struct stat_file_header header;
+	struct stat_file_block blocks[1];
+};
+
+typedef struct stat_file_s {
+	char *filename;
+	int fd;
+	void *map;
+	time_t open_time;
+	time_t access_time;
+	size_t len;
+	/* Length is in blocks */
+	size_t blocks;
+	gint *lock;
+} stat_file_t;
+
+typedef struct statfile_pool_s {
+	GHashTable *files;
+	int opened;
+	size_t max;
+	size_t occupied;
+	memory_pool_t *pool;
+} statfile_pool_t;
+
+statfile_pool_t* statfile_pool_new (size_t max_size);
+int statfile_pool_open (statfile_pool_t *pool, char *filename);
+int statfile_pool_create (statfile_pool_t *pool, char *filename, size_t len);
+int statfile_pool_close (statfile_pool_t *pool, char *filename);
+void statfile_pool_delete (statfile_pool_t *pool);
+
+#endif