From 0e9e6035cf076cb139c756ac4411a5180d857575 Mon Sep 17 00:00:00 2001
From: DmitriyEshenko <snooppy@mail.ua>
Date: Sun, 25 Aug 2019 22:56:26 +0300
Subject: shaper: adding default rate-limit

---
 accel-pppd/accel-ppp.conf   |  1 +
 accel-pppd/accel-ppp.conf.5 |  3 +++
 accel-pppd/shaper/shaper.c  | 36 +++++++++++++++++++++++++++++++++---
 3 files changed, 37 insertions(+), 3 deletions(-)

(limited to 'accel-pppd')

diff --git a/accel-pppd/accel-ppp.conf b/accel-pppd/accel-ppp.conf
index 530c341..02db127 100644
--- a/accel-pppd/accel-ppp.conf
+++ b/accel-pppd/accel-ppp.conf
@@ -264,6 +264,7 @@ down-limiter=tbf
 #leaf-qdisc=fq_codel [limit PACKETS] [flows NUMBER] [target TIME] [interval TIME] [quantum BYTES] [[no]ecn]
 #rate-multiplier=1
 #fwmark=1
+#rate-limit=2048/1024
 verbose=1
 
 [cli]
diff --git a/accel-pppd/accel-ppp.conf.5 b/accel-pppd/accel-ppp.conf.5
index 52cd1e6..65b0037 100644
--- a/accel-pppd/accel-ppp.conf.5
+++ b/accel-pppd/accel-ppp.conf.5
@@ -1102,6 +1102,9 @@ fq_codel [ limit PACKETS ] [flows NUMBER ] [ target TIME ] [ interval TIME ] [qu
 .TP
 .BI "rate-multiplier=" n
 Due to accel-ppp operates with rates in kilobit basis if you send rates in different basis then you can use this option to bring your values to kilobits.
+.TP
+.BI "rate-limit=" download_speed/upload_speed
+Specifies, should accel-ppp set default rate-limit for clients. Clients rate-limit will be overwritten by RADIUS filter attributes or chap-secrets rate-limit params.
 .SH [cli]
 .br
 Configuration of the command line interface.
diff --git a/accel-pppd/shaper/shaper.c b/accel-pppd/shaper/shaper.c
index 304a129..13f75c0 100644
--- a/accel-pppd/shaper/shaper.c
+++ b/accel-pppd/shaper/shaper.c
@@ -64,6 +64,9 @@ int conf_lq_arg6;
 static int temp_down_speed;
 static int temp_up_speed;
 
+static int dflt_down_speed;
+static int dflt_up_speed;
+
 static pthread_rwlock_t shaper_lock = PTHREAD_RWLOCK_INITIALIZER;
 static LIST_HEAD(shaper_list);
 
@@ -515,9 +518,7 @@ static void ev_ppp_pre_up(struct ap_session *ses)
 		up_speed = temp_up_speed;
 		down_burst = 0;
 		up_burst = 0;
-	} else {
-		if (!pd->cur_tr)
-			return;
+	} else if (pd->cur_tr){
 		pd->down_speed = pd->cur_tr->down_speed;
 		pd->up_speed = pd->cur_tr->up_speed;
 		down_speed = pd->cur_tr->down_speed;
@@ -525,6 +526,15 @@ static void ev_ppp_pre_up(struct ap_session *ses)
 		down_burst = pd->cur_tr->down_burst;
 		up_burst = pd->cur_tr->up_burst;
 	}
+	else if (dflt_down_speed || dflt_up_speed){
+		pd->down_speed = dflt_down_speed;
+		pd->up_speed = dflt_up_speed;
+		down_speed = dflt_down_speed;
+		up_speed =  dflt_up_speed;
+		down_burst = 0;
+		up_burst = 0;
+	}
+	else return;
 
 	if (!pd->idx)
 		pd->idx = alloc_idx(ses->ifindex);
@@ -873,6 +883,22 @@ static struct time_range_t *parse_range(time_t t, const char *val)
 	return r;
 }
 
+static int parse_dflt_shaper(const char *opt, int *down_speed, int *up_speed)
+{
+	char *endptr;
+
+	*down_speed = strtol(opt, &endptr, 10);
+
+	if (*endptr != '/'){
+		*up_speed = *down_speed;
+		return 0;
+	}
+
+	opt = endptr + 1;
+	*up_speed = strtol(opt, &endptr, 10);
+	return 0;
+}
+
 static void load_time_ranges(void)
 {
 	struct conf_sect_t *s = conf_get_section("shaper");
@@ -1101,6 +1127,10 @@ static void load_config(void)
 	else
 		conf_fwmark = 0;
 
+	opt = conf_get_opt("shaper", "rate-limit");
+	if (opt)
+		parse_dflt_shaper(opt, &dflt_down_speed, &dflt_up_speed);
+
 	triton_context_call(&shaper_ctx, (triton_event_func)load_time_ranges, NULL);
 }
 
-- 
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