mirror of
https://github.com/Telecominfraproject/wlan-ap.git
synced 2025-10-31 02:17:58 +00:00
139 lines
3.8 KiB
Diff
139 lines
3.8 KiB
Diff
From b24a5a890ccd19b0f1b50340c79c5087f08d9447 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <john@phrozen.org>
|
|
Date: Fri, 4 Mar 2022 15:56:30 +0100
|
|
Subject: [PATCH] ulog: add ringbuffer and log_event notification
|
|
|
|
Signed-off-by: John Crispin <john@phrozen.org>
|
|
---
|
|
ucode.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
|
|
1 file changed, 73 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/ucode.c b/ucode.c
|
|
index cef50e2..9e0373a 100644
|
|
--- a/ucode.c
|
|
+++ b/ucode.c
|
|
@@ -31,6 +31,17 @@ static const char *exception_types[] = {
|
|
[EXCEPTION_EXIT] = "Exit"
|
|
};
|
|
|
|
+struct log_buffer {
|
|
+ struct list_head list;
|
|
+ int severity;
|
|
+ char entry[];
|
|
+};
|
|
+
|
|
+static LIST_HEAD(log_buffer);
|
|
+static int log_count;
|
|
+static int log_max = 100;
|
|
+static uc_value_t *log_event;
|
|
+
|
|
static void
|
|
ucode_handle_exception(uc_vm_t *vm, uc_exception_t *ex)
|
|
{
|
|
@@ -287,6 +298,7 @@ static uc_value_t *
|
|
uc_ulog(uc_vm_t *vm, size_t nargs, int severity)
|
|
{
|
|
uc_value_t *res;
|
|
+ char *entry;
|
|
|
|
if (!fmtfn) {
|
|
fmtfn = (uc_cfunction_t *)ucv_object_get(uc_vm_scope_get(vm), "sprintf", NULL);
|
|
@@ -300,7 +312,37 @@ uc_ulog(uc_vm_t *vm, size_t nargs, int severity)
|
|
if (!res)
|
|
return ucv_int64_new(-1);
|
|
|
|
- ulog(severity, "%s", ucv_string_get(res));
|
|
+ entry = ucv_string_get(res);
|
|
+
|
|
+ if (log_max) {
|
|
+ struct log_buffer *log = calloc(1, sizeof(*log) + strlen(entry) + 1);
|
|
+
|
|
+ strcpy(log->entry, entry);
|
|
+ log->severity = severity;
|
|
+ list_add_tail(&log->list, &log_buffer);
|
|
+
|
|
+ if (log_event) {
|
|
+ uc_value_t *event = ucv_array_new(vm);
|
|
+
|
|
+ ucv_array_push(event, ucv_int64_new(severity));
|
|
+ ucv_array_push(event, ucv_string_new(entry));
|
|
+
|
|
+ uc_vm_stack_push(vm, ucv_get(log_event));
|
|
+ uc_vm_stack_push(vm, ucv_get(event));
|
|
+ uc_vm_call(vm, false, 1);
|
|
+ }
|
|
+
|
|
+ if (log_count == log_max) {
|
|
+ struct log_buffer *first = list_first_entry(&log_buffer, struct log_buffer, list);
|
|
+
|
|
+ list_del(&first->list);
|
|
+ free(first);
|
|
+ } else {
|
|
+ log_count++;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ ulog(severity, "%s", entry);
|
|
ucv_put(res);
|
|
|
|
return ucv_int64_new(0);
|
|
@@ -330,11 +372,27 @@ uc_ulog_err(uc_vm_t *vm, size_t nargs)
|
|
return uc_ulog(vm, nargs, LOG_ERR);
|
|
}
|
|
|
|
+static uc_value_t *
|
|
+uc_ulog_dump(uc_vm_t *vm, size_t nargs)
|
|
+{
|
|
+ uc_value_t *log = ucv_array_new(vm);
|
|
+ struct log_buffer *iter;
|
|
+
|
|
+ list_for_each_entry(iter, &log_buffer, list) {
|
|
+ uc_value_t *entry = ucv_array_new(vm);
|
|
+ ucv_array_push(entry, ucv_int64_new(iter->severity));
|
|
+ ucv_array_push(entry, ucv_string_new(iter->entry));
|
|
+ ucv_array_push(log, entry);
|
|
+ }
|
|
+
|
|
+ return log;
|
|
+}
|
|
+
|
|
static void
|
|
ucode_init_ulog(ucrun_ctx_t *ucrun)
|
|
{
|
|
uc_value_t *ulog = ucv_object_get(ucrun->scope, "ulog", NULL);
|
|
- uc_value_t *identity, *channels;
|
|
+ uc_value_t *identity, *channels, *logsize;
|
|
int flags = 0, channel;
|
|
|
|
/* make sure the declartion is complete */
|
|
@@ -365,6 +423,18 @@ ucode_init_ulog(ucrun_ctx_t *ucrun)
|
|
flags |= ULOG_STDIO;
|
|
}
|
|
|
|
+ /* set the internal ring buffer size */
|
|
+ logsize = ucv_object_get(ulog, "channels", NULL);
|
|
+ if (ucv_type(logsize) == UC_INTEGER && ucv_int64_get(logsize))
|
|
+ log_max = ucv_int64_get(logsize);
|
|
+
|
|
+ /* find out if ucrun wants a notification when a new log entry is generated */
|
|
+ log_event = ucv_object_get(ulog, "event", NULL);
|
|
+ if (ucv_is_callable(log_event))
|
|
+ ucv_get(log_event);
|
|
+ else
|
|
+ log_event = NULL;
|
|
+
|
|
/* open the log */
|
|
ucrun->ulog_identity = strdup(ucv_string_get(identity));
|
|
ulog_open(flags, LOG_DAEMON, ucrun->ulog_identity);
|
|
@@ -404,6 +474,7 @@ ucode_init(ucrun_ctx_t *ucrun, int argc, const char **argv, int *rc)
|
|
uc_function_register(ucrun->scope, "ulog_note", uc_ulog_note);
|
|
uc_function_register(ucrun->scope, "ulog_warn", uc_ulog_warn);
|
|
uc_function_register(ucrun->scope, "ulog_err", uc_ulog_err);
|
|
+ uc_function_register(ucrun->scope, "ulog_dump", uc_ulog_dump);
|
|
|
|
/* add commandline parameters */
|
|
ARGV = ucv_array_new(&ucrun->vm);
|
|
--
|
|
2.25.1
|
|
|