Logging: Use ringlogger for logging from the extension

Signed-off-by: Roopesh Chander <roop@roopc.net>
2018-12-13 15:38:10 +05:30
parent 5ae9eec555
commit ae7fb7323f
10 changed files with 121 additions and 69 deletions
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2018 WireGuard LLC. All Rights Reserved.
+ */
+
+#ifndef RINGLOGGER_H
+#define RINGLOGGER_H
+
+enum {
+    MAX_LOG_LINE_LENGTH = 512,
+    MAX_LINES = 1024,
+    MAGIC = 0xdeadbeefU
+};
+
+struct log_line {
+    struct timeval tv;
+    char line[MAX_LOG_LINE_LENGTH];
+};
+
+struct log {
+    struct { uint32_t first, len; } header;
+    struct log_line lines[MAX_LINES];
+    uint32_t magic;
+};
+
+void write_msg_to_log(struct log *log, const char *msg);
+int write_logs_to_file(const char *file_name, const struct log *log1, const struct log *log2);
+struct log *open_log(const char *file_name);
+
+#endif