X-Git-Url: http://git.bytex64.net/?a=blobdiff_plain;f=common%2Fstringring.h;fp=common%2Fstringring.h;h=7aedeb4724319462758b749dae1f24ba249ddd86;hb=973130f7802a00204d7b032bd941b2d9cdac8e81;hp=0000000000000000000000000000000000000000;hpb=b8fe46e27d53b5a03b5d27b59bae40a6445e9b8d;p=blerg.git

diff --git a/common/stringring.h b/common/stringring.h
new file mode 100644
index 0000000..7aedeb4
--- /dev/null
+++ b/common/stringring.h
@@ -0,0 +1,30 @@
+#ifndef _STRINGRING_H
+#define _STRINGRING_H
+
+#include <stdint.h>
+
+#define STRINGRING_DATA_SIZE 32
+#define STRINGRING_N_ENTRIES 102
+
+struct stringring {
+	uint8_t counter;
+	uint8_t reserved[15];
+	struct {
+		uint64_t timestamp;
+		uint8_t data[STRINGRING_DATA_SIZE];
+	} entries[STRINGRING_N_ENTRIES];
+};
+
+struct stringring_handle {
+	int fd;
+	struct stringring *sr;
+};
+
+struct stringring_handle * stringring_open(const char *filename);
+void stringring_close(struct stringring_handle *sh);
+int stringring_add(struct stringring_handle *sh, const char *data);
+int stringring_find(struct stringring_handle *sh, const char *data, unsigned int max_age);
+int stringring_remove(struct stringring_handle *sh, const char *data);
+int stringring_clear(struct stringring_handle *sh);
+
+#endif /* _STRINGRING_H */