[PATCH 4/5] agch: Keep track of AGCH queue length

This patch adds and updates btsb->agch_queue_length to keep track of the queue length. Sponsored-by: On-Waves ehf --- include/osmo-bts/gsm_data.h | 1 + src/common/bts.c | 8 +++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/include/osmo-bts/gsm_data.h b/include/osmo-bts/gsm_data.h index c6cd7e4..aee56a9 100644 --- a/include/osmo-bts/gsm_data.h +++ b/include/osmo-bts/gsm_data.h @@ -49,6 +49,7 @@ struct gsm_bts_role_bts { uint8_t ny1; uint8_t max_ta; struct llist_head agch_queue; + int agch_queue_length; struct paging_state *paging_state; char *bsc_oml_host; unsigned int rtp_jitter_buf_ms; diff --git a/src/common/bts.c b/src/common/bts.c index 2ac411d..35fc302 100644 --- a/src/common/bts.c +++ b/src/common/bts.c @@ -65,6 +65,7 @@ int bts_init(struct gsm_bts *bts) bts->role = btsb = talloc_zero(bts, struct gsm_bts_role_bts); INIT_LLIST_HEAD(&btsb->agch_queue); + btsb->agch_queue_length = 0; /* configurable via VTY */ btsb->paging_state = paging_init(btsb, 200, 0); @@ -214,6 +215,7 @@ int bts_agch_enqueue(struct gsm_bts *bts, struct msgb *msg) /* FIXME: implement max queue length */ msgb_enqueue(&btsb->agch_queue, msg); + btsb->agch_queue_length++; return 0; } @@ -221,8 +223,12 @@ int bts_agch_enqueue(struct gsm_bts *bts, struct msgb *msg) struct msgb *bts_agch_dequeue(struct gsm_bts *bts) { struct gsm_bts_role_bts *btsb = bts_role_bts(bts); + struct msgb *msg = msgb_dequeue(&btsb->agch_queue); + if (!msg) + return NULL; - return msgb_dequeue(&btsb->agch_queue); + btsb->agch_queue_length--; + return msg; } int bts_supports_cipher(struct gsm_bts_role_bts *bts, int rsl_cipher) -- 1.7.9.5