8 Mar
2024
8 Mar
'24
8:56 a.m.
laforge has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-hnbgw/+/36205?usp=email )
Change subject: Introduce counter for per-hnb cumulative active CS RAB duration
......................................................................
Introduce counter for per-hnb cumulative active CS RAB duration
This counter can be used to determine the traffic in Erlangs per HNB.
Change-Id: Iffb6a3f38239094551a12c872cd8474d02a5ad56
---
M include/osmocom/hnbgw/hnbgw.h
M include/osmocom/hnbgw/mgw_fsm.h
M src/osmo-hnbgw/hnbgw.c
M src/osmo-hnbgw/mgw_fsm.c
4 files changed, 89 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-hnbgw refs/changes/05/36205/1
diff --git a/include/osmocom/hnbgw/hnbgw.h b/include/osmocom/hnbgw/hnbgw.h
index 3653838..98cdc34 100644
--- a/include/osmocom/hnbgw/hnbgw.h
+++ b/include/osmocom/hnbgw/hnbgw.h
@@ -19,6 +19,7 @@
#include <osmocom/mgcp_client/mgcp_client_pool.h>
#define STORE_UPTIME_INTERVAL 10 /* seconds */
+#define HNB_STORE_RAB_DURATIONS_INTERVAL 1 /* seconds */
enum {
DMAIN,
@@ -96,6 +97,8 @@
HNB_CTR_RUA_UDT_UL,
HNB_CTR_RUA_UDT_DL,
+
+ HNB_CTR_RAB_ACTIVE_MILLISECONDS_TOTAL,
};
enum hnb_stat {
@@ -381,6 +384,8 @@
struct osmo_pfcp_endpoint *ep;
struct osmo_pfcp_cp_peer *cp_peer;
} pfcp;
+
+ struct osmo_timer_list hnb_store_rab_durations_timer;
};
extern struct hnbgw *g_hnbgw;
diff --git a/include/osmocom/hnbgw/mgw_fsm.h b/include/osmocom/hnbgw/mgw_fsm.h
index d4e989d..c96308d 100644
--- a/include/osmocom/hnbgw/mgw_fsm.h
+++ b/include/osmocom/hnbgw/mgw_fsm.h
@@ -5,3 +5,5 @@
int handle_rab_ass_req(struct hnbgw_context_map *map, struct msgb *ranap_msg,
ranap_message *message);
int mgw_fsm_handle_rab_ass_resp(struct hnbgw_context_map *map, struct msgb *ranap_msg,
ranap_message *message);
int mgw_fsm_release(struct hnbgw_context_map *map);
+
+uint64_t mgw_fsm_get_elapsed_ms(struct hnbgw_context_map *map, const struct timespec
*now);
diff --git a/src/osmo-hnbgw/hnbgw.c b/src/osmo-hnbgw/hnbgw.c
index 418742e..773ac7b 100644
--- a/src/osmo-hnbgw/hnbgw.c
+++ b/src/osmo-hnbgw/hnbgw.c
@@ -42,6 +42,7 @@
#include <osmocom/hnbgw/hnbgw_rua.h>
#include <osmocom/hnbgw/hnbgw_cn.h>
#include <osmocom/hnbgw/context_map.h>
+#include <osmocom/hnbgw/mgw_fsm.h>
struct hnbgw *g_hnbgw = NULL;
@@ -51,6 +52,35 @@
{}
};
+/* update the active RAB duration rate_ctr for given HNB */
+static void hnb_store_rab_durations(struct hnb_context *hnb)
+{
+ struct hnbgw_context_map *map;
+ struct timespec now;
+ uint64_t elapsed_cs_rab_ms = 0;
+
+ osmo_clock_gettime(CLOCK_MONOTONIC, &now);
+
+ /* iterate over all context_maps (subscribers) */
+ llist_for_each_entry(map, &hnb->map_list, hnb_list) {
+ elapsed_cs_rab_ms += mgw_fsm_get_elapsed_ms(map, &now);
+ }
+
+ /* Export to rate countes. */
+ rate_ctr_add(HNBP_CTR(hnb->persistent, HNB_CTR_RAB_ACTIVE_MILLISECONDS_TOTAL),
elapsed_cs_rab_ms);
+}
+
+static void hnbgw_store_hnb_rab_durations(void *data)
+{
+ struct hnb_context *hnb;
+
+ llist_for_each_entry(hnb, &g_hnbgw->hnb_list, list)
+ hnb_store_rab_durations(hnb);
+
+ /* Keep this timer ticking */
+ osmo_timer_schedule(&g_hnbgw->hnb_store_rab_durations_timer,
HNB_STORE_RAB_DURATIONS_INTERVAL, 0);
+}
+
/***********************************************************************
* UE Context
@@ -358,6 +388,9 @@
"rua:unit_data:ul", "Received RUA UnitData (UDT) in uplink" },
[HNB_CTR_RUA_UDT_DL] = {
"rua:unit_data:dl", "Transmitted RUA UnitData (UDT) in downlink"
},
+
+ [HNB_CTR_RAB_ACTIVE_MILLISECONDS_TOTAL] = {
+ "rab:cs:active_milliseconds:total", "Cumulative number of milliseconds
of CS RAB activity" },
};
const struct rate_ctr_group_desc hnb_ctrg_desc = {
@@ -814,4 +847,7 @@
osmo_timer_setup(&g_hnbgw->store_uptime_timer, hnbgw_store_hnb_uptime, g_hnbgw);
osmo_timer_schedule(&g_hnbgw->store_uptime_timer, STORE_UPTIME_INTERVAL, 0);
+
+ osmo_timer_setup(&g_hnbgw->hnb_store_rab_durations_timer,
hnbgw_store_hnb_rab_durations, g_hnbgw);
+ osmo_timer_schedule(&g_hnbgw->hnb_store_rab_durations_timer,
HNB_STORE_RAB_DURATIONS_INTERVAL, 0);
}
diff --git a/src/osmo-hnbgw/mgw_fsm.c b/src/osmo-hnbgw/mgw_fsm.c
index 6fd0e6a..864fd5d 100644
--- a/src/osmo-hnbgw/mgw_fsm.c
+++ b/src/osmo-hnbgw/mgw_fsm.c
@@ -1,4 +1,4 @@
-/* (C) 2021 by sysmocom s.f.m.c. GmbH <info(a)sysmocom.de>
+/* (C) 2021-2024 by sysmocom s.f.m.c. GmbH <info(a)sysmocom.de>
* All Rights Reserved
*
* Author: Philipp Maier
@@ -123,6 +123,10 @@
struct osmo_sockaddr ci_hnb_crcx_ack_addr;
char msc_rtp_addr[INET6_ADDRSTRLEN];
uint16_t msc_rtp_port;
+
+ /* Timestamps to track active duration */
+ struct timespec active_start;
+ struct timespec active_stored;
};
struct osmo_tdef_state_timeout mgw_fsm_timeouts[32] = {
@@ -554,6 +558,9 @@
}
LOGPFSML(fi, LOGL_DEBUG, "HNB and MSC side call-legs completed!\n");
+
+ osmo_clock_gettime(CLOCK_MONOTONIC, &mgw_fsm_priv->active_start);
+ mgw_fsm_priv->active_stored = mgw_fsm_priv->active_start;
}
static void mgw_fsm_release_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state)
@@ -915,3 +922,30 @@
osmo_fsm_inst_dispatch(map->mgw_fi, MGW_EV_RELEASE, NULL);
return 0;
}
+
+/* determine the number of elapsed active RAB milli-seconds since last call */
+uint64_t mgw_fsm_get_elapsed_ms(struct hnbgw_context_map *map, const struct timespec
*now)
+{
+ struct mgw_fsm_priv *mgw_fsm_priv;
+ struct timespec elapsed;
+ uint64_t elapsed_ms;
+
+ if (!map->mgw_fi)
+ return 0;
+
+ OSMO_ASSERT(map->mgw_fi->fsm == &mgw_fsm);
+ mgw_fsm_priv = map->mgw_fi->priv;
+
+ /* Ignore RABs whose activation timestamps are not yet set. */
+ if (mgw_fsm_priv->active_stored.tv_sec == 0 &&
mgw_fsm_priv->active_stored.tv_nsec == 0)
+ return 0;
+
+ /* Calculate elapsed time since last storage */
+ timespecsub(now, &mgw_fsm_priv->active_stored, &elapsed);
+ elapsed_ms = elapsed.tv_sec * 1000 + elapsed.tv_nsec / 1000000;
+
+ /* Update storage time */
+ mgw_fsm_priv->active_stored = *now;
+
+ return elapsed_ms;
+}
--
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Gerrit-Project: osmo-hnbgw
Gerrit-Branch: master
Gerrit-Change-Id: Iffb6a3f38239094551a12c872cd8474d02a5ad56
Gerrit-Change-Number: 36205
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge(a)osmocom.org>
Gerrit-MessageType: newchange