From 6ba612ef6e056de02cd85ae801c3ac3fe456014a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Machado?= <jocrismachado@gmail.com>
Date: Fri, 3 Apr 2026 14:39:26 +0100
Subject: [PATCH] logfile fflush() timer

---
 code/bngblaster/src/bbl.c     | 14 ++++++++++++++
 code/bngblaster/src/bbl_ctx.h |  1 +
 2 files changed, 15 insertions(+)

diff --git a/code/bngblaster/src/bbl.c b/code/bngblaster/src/bbl.c
index 3245b4eb..d1212c12 100644
--- a/code/bngblaster/src/bbl.c
+++ b/code/bngblaster/src/bbl.c
@@ -395,6 +395,15 @@ bbl_ctrl_job(timer_s *timer)
     }
 }
 
+void
+logfile_fflush_job(timer_s *timer)
+{
+    UNUSED(timer);
+    if(g_log_fp) {
+        fflush(g_log_fp);
+    }
+}
+
 /**
  * @brief BNG BLASTER MAIN FUNCTION
  *
@@ -520,6 +529,11 @@ main(int argc, char *argv[])
 
     /* Open logfile. */
     log_open();
+    if(g_log_fp) {
+        timer_add_periodic(&g_ctx->timer_root, &g_ctx->logfile_fflush_timer, 
+                    "logfile fflush()", 0, 100 * MSEC, g_ctx, 
+                    &logfile_fflush_job);
+    }
 
     /* Init config. */
     bbl_config_init_defaults();
diff --git a/code/bngblaster/src/bbl_ctx.h b/code/bngblaster/src/bbl_ctx.h
index 5a358dce..0ad090e2 100644
--- a/code/bngblaster/src/bbl_ctx.h
+++ b/code/bngblaster/src/bbl_ctx.h
@@ -19,6 +19,7 @@ typedef struct bbl_ctx_
     struct timer_ *smear_timer;
     struct timer_ *stats_timer;
     struct timer_ *keyboard_timer;
+    struct timer_ *logfile_fflush_timer;
 
     struct timer_ *tcp_timer;
     struct timer_ *fragmentation_timer;