fix: corner cases when printing large content through term interface

[lunaix-os.git] / lunaix-os / kernel / kprint / kprintf.c

diff --git a/lunaix-os/kernel/kprint/kprintf.c b/lunaix-os/kernel/kprint/kprintf.c
index c3bd04ccb0ee36890166f5353b773ceb1092300d..158a799ad5d4f8cf52b4f9d5274c1b1fda118883 100644 (file)
--- a/lunaix-os/kernel/kprint/kprintf.c
+++ b/lunaix-os/kernel/kprint/kprintf.c
@@ -2,6 +2,10 @@
 #include <lunaix/fs/twimap.h>
 #include <lunaix/syscall.h>
 #include <lunaix/syslog.h>
+#include <lunaix/device.h>
+#include <lunaix/owloysius.h>
+
+#include <hal/term.h>
 
 #include <klibc/strfmt.h>
 
@@ -19,6 +23,7 @@ static struct kp_records kprecs = {
     .max_recs = MAX_KPENT_NUM,
     .kp_ent_wp = &kprecs.kp_ents.ents
 };
+export_symbol(debug, kprecs);
 
 static char*
 shift_level(const char* str, int* level)
@@ -33,38 +38,44 @@ shift_level(const char* str, int* level)
     return str;
 }
 
-static void
-__kprintf_level(const char* component, int level, const char* fmt, va_list args)
+static inline void
+kprintf_ml(const char* component, int level, const char* fmt, va_list args)
 {
     char* buf = &tmp_buf[MAX_BUFSZ_HLF];
-    ksnprintf(buf, MAX_BUFSZ_HLF, "%s: %s", component, fmt);
+    ksnprintf(buf, MAX_BUFSZ_HLF, "%s: %s\n", component, fmt);
 
     size_t sz = ksnprintfv(tmp_buf, buf, MAX_BUFSZ_HLF, args);
-    kp_rec_put(&kprecs, level, tmp_buf, sz);
+    kprec_put(&kprecs, level, tmp_buf, sz);
+
+    if (likely(sysconsole)) {
+        sysconsole->ops.write(sysconsole, tmp_buf, 0, sz);
+    }
 }
 
 void
-__kprintf(const char* component, const char* fmt, va_list args)
+kprintf_m(const char* component, const char* fmt, va_list args)
 {
     int level;
     fmt = shift_level(fmt, &level);
 
-    __kprintf_level(component, level, fmt, args);
+    kprintf_ml(component, level, fmt, args);
 }
 
 static void
 __twimap_kprintf_read(struct twimap* map)
 {
-    struct kp_records* kprecs = twimap_data(map, struct kp_records*);
+    struct kp_records* __kprecs = twimap_data(map, struct kp_records*);
 
     /*
         XXX we can foreach all records in a single twimap read call,
             as records is monotonic increasing by design.
     */
     struct kp_entry *pos, *n;
-    llist_for_each(pos, n, kprecs->kp_ent_wp, ents)
+    llist_for_each(pos, n, __kprecs->kp_ent_wp, ents)
     {
-        twimap_printf(map, "[%05d] %s\n", pos->time, pos->content);
+        time_t s = pos->time / 1000;
+        time_t ms = pos->time % 1000;
+        twimap_printf(map, "[%05d.%03d] %s\n", s, ms, pos->content);
     }
 }
 
@@ -75,7 +86,21 @@ kprintf_mapping_init()
 }
 EXPORT_TWIFS_PLUGIN(kprintf, kprintf_mapping_init);
 
+
+void 
+kprintf_dump_logs() {
+    if (unlikely(!sysconsole)) {
+        return;
+    }
+
+    struct kp_entry *pos, *n;
+    llist_for_each(pos, n, kprecs.kp_ent_wp, ents)
+    {
+        sysconsole->ops.write(sysconsole, pos->content, 0, pos->len);
+    }
+}
+
 __DEFINE_LXSYSCALL3(void, syslog, int, level, const char*, fmt, va_list, args)
 {
-    __kprintf_level("syslog", level, fmt, args);
+    kprintf_ml("syslog", level, fmt, args);
 }
\ No newline at end of file