bts: Start creating statistics inside the BTS code

src/bts.cpp

@@ -43,6 +43,26 @@ extern void *tall_pcu_ctx;
 
 static BTS s_bts;
 
+/**
+ * For gcc-4.4 compat do not use extended initializer list but keep the
+ * order from the enum here. Once we support GCC4.7 and up we can change
+ * the code below.
+ */
+static const struct rate_ctr_desc bts_ctr_description[] = {
+	{ "tbf.dl.alloc",		"TBF DL Allocated     "},
+	{ "tbf.dl.freed",		"TBF DL Freed         "},
+	{ "tbf.ul.alloc",		"TBF UL Allocated     "},
+	{ "tbf.ul.freed",		"TBF UL Freed         "},
+	{ "decode.errors",		"Decode Errors        "},
+};
+
+static const struct rate_ctr_group_desc bts_ctrg_desc = {
+	"bts",
+	"BTS Statistics",
+	ARRAY_SIZE(bts_ctr_description),
+	bts_ctr_description,
+};
+
 BTS* BTS::main_bts()
 {
 	return &s_bts;
@@ -58,6 +78,11 @@ struct gprs_rlcmac_bts *bts_main_data()
 	return BTS::main_bts()->bts_data();
 }
 
+struct rate_ctr_group *bts_main_data_stats()
+{
+	return BTS::main_bts()->rate_counters();
+}
+
 BTS::BTS()
 	: m_cur_fn(0)
 	, m_pollController(*this)
@@ -80,8 +105,16 @@ BTS::BTS()
 			pdch->trx = trx;
 		}
 	}
+
+	m_ratectrs = rate_ctr_group_alloc(tall_pcu_ctx, &bts_ctrg_desc, 0);
 }
 
+BTS::~BTS()
+{
+	rate_ctr_group_free(m_ratectrs);
+}
+
+
 void BTS::set_current_frame_number(int fn)
 {
 	m_cur_fn = fn;

src/bts.h

@@ -24,6 +24,7 @@
 #ifdef __cplusplus
 extern "C" {
 #include <osmocom/core/linuxlist.h>
+#include <osmocom/core/rate_ctr.h>
 #include <osmocom/core/timer.h>
 }
 
@@ -147,7 +148,16 @@ struct gprs_rlcmac_bts {
  */
 struct BTS {
 public:
+	enum {
+		CTR_TBF_DL_ALLOCATED,
+		CTR_TBF_DL_FREED,
+		CTR_TBF_UL_ALLOCATED,
+		CTR_TBF_UL_FREED,
+		CTR_DECODE_ERRORS,
+	};
+
 	BTS();
+	~BTS();
 
 	static BTS* main_bts();
 
@@ -174,12 +184,27 @@ public:
 	void trigger_dl_ass(gprs_rlcmac_tbf *tbf, gprs_rlcmac_tbf *old_tbf, const char *imsi);
 	void snd_dl_ass(gprs_rlcmac_tbf *tbf, uint8_t poll, const char *imsi);
 
+	/*
+	 * Statistics
+	 */
+	void tbf_dl_created();
+	void tbf_dl_freed();
+	void tbf_ul_created();
+	void tbf_ul_freed();
+	void decode_error();
+
+	/*
+	 * Below for C interface for the VTY
+	 */
+	struct rate_ctr_group *rate_counters() const;
+
 private:
 	int m_cur_fn;
 	struct gprs_rlcmac_bts m_bts;
 	PollController m_pollController;
 	SBAController m_sba;
 	TimingAdvance m_ta;
+	struct rate_ctr_group *m_ratectrs;
 
 private:
 	/* disable copying to avoid slicing */
@@ -207,6 +232,11 @@ inline BTS *gprs_rlcmac_pdch::bts() const
 	return trx->bts;
 }
 
+inline struct rate_ctr_group *BTS::rate_counters() const
+{
+	return m_ratectrs;
+}
+
 inline gprs_rlcmac_bts *gprs_rlcmac_pdch::bts_data() const
 {
 	return trx->bts->bts_data();
@@ -222,6 +252,7 @@ inline uint8_t gprs_rlcmac_pdch::trx_no() const
 extern "C" {
 #endif
 	struct gprs_rlcmac_bts *bts_main_data();
+	struct rate_ctr_group *bts_main_data_stats();
 #ifdef __cplusplus
 }
 

src/pcu_vty.c

@@ -274,6 +274,15 @@ DEFUN(cfg_pcu_gamma,
 	return CMD_SUCCESS;
 }
 
+DEFUN(show_bts_stats,
+      show_bts_stats_cmd,
+      "show bts statistics",
+      SHOW_STR "BTS related functionality\nStatistics\n")
+{
+	vty_out_rate_ctr_group(vty, "", bts_main_data_stats());
+	return CMD_SUCCESS;
+} 
+
 static const char pcu_copyright[] =
 	"Copyright (C) 2012 by Ivan Kluchnikov <kluchnikovi@gmail.com> and \r\n"
 	"                      Andreas Eversberg <jolly@eversberg.eu>\r\n"
@@ -311,5 +320,7 @@ int pcu_vty_init(const struct log_info *cat)
 	install_element(PCU_NODE, &cfg_pcu_gamma_cmd);
 	install_element(PCU_NODE, &ournode_end_cmd);
 
+	install_element_ve(&show_bts_stats_cmd);
+
 	return 0;
 }