Change in osmo-iuh[master]: hnbgw: Introduce LOGHNB() macro for log context information

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laforge gerrit-no-reply at lists.osmocom.org
Wed Dec 30 13:24:03 UTC 2020


laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-iuh/+/21899 )


Change subject: hnbgw: Introduce LOGHNB() macro for log context information
......................................................................

hnbgw: Introduce LOGHNB() macro for log context information

So far we don't really have any way of matching a given log message
to a specific hNB.  Let's introduce a new log macro, together with
a configuration directive to select whether the hNB-ID or the
UMTS CellID shall be used.

Change-Id: I6113925216c6f88add2c6d27bdf47ccbb017f293
---
M include/osmocom/iuh/hnbgw.h
M src/hnbgw.c
M src/hnbgw_vty.c
3 files changed, 42 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-iuh refs/changes/99/21899/1

diff --git a/include/osmocom/iuh/hnbgw.h b/include/osmocom/iuh/hnbgw.h
index 4848c2f..fc8298d 100644
--- a/include/osmocom/iuh/hnbgw.h
+++ b/include/osmocom/iuh/hnbgw.h
@@ -18,6 +18,9 @@
 	DRANAP,
 };
 
+#define LOGHNB(x, ss, lvl, fmt, args ...) \
+	LOGP(ss, lvl, "%s " fmt, hnb_context_name(x), ## args)
+
 enum hnb_ctrl_node {
 	CTRL_NODE_HNB = _LAST_CTRL_NODE,
 	_LAST_CTRL_NODE_HNB
@@ -128,6 +131,8 @@
 		const char *iups_remote_addr_name;
 		uint16_t rnc_id;
 		bool hnbap_allow_tmsi;
+		/*! print hnb-id (true) or MCC-MNC-LAC-RAC-SAC (false) in logs */
+		bool log_prefix_hnb_id;
 	} config;
 	/*! SCTP listen socket for incoming connections */
 	struct osmo_stream_srv_link *iuh;
@@ -152,6 +157,7 @@
 
 struct hnb_context *hnb_context_by_id(struct hnb_gw *gw, uint32_t cid);
 struct hnb_context *hnb_context_by_identity_info(struct hnb_gw *gw, const char *identity_info);
+const char *hnb_context_name(struct hnb_context *ctx);
 unsigned hnb_contexts(const struct hnb_gw *gw);
 
 struct ue_context *ue_context_by_id(struct hnb_gw *gw, uint32_t id);
diff --git a/src/hnbgw.c b/src/hnbgw.c
index dd157d7..ba8a06f 100644
--- a/src/hnbgw.c
+++ b/src/hnbgw.c
@@ -83,6 +83,7 @@
 	/* strdup so we can easily talloc_free in the VTY code */
 	gw->config.iuh_local_ip = talloc_strdup(gw, HNBGW_LOCAL_IP_DEFAULT);
 	gw->config.iuh_local_port = IUH_DEFAULT_SCTP_PORT;
+	gw->config.log_prefix_hnb_id = true;
 
 	gw->next_ue_ctx_id = 23;
 	INIT_LLIST_HEAD(&gw->hnb_list);
@@ -296,6 +297,25 @@
 	return ctx;
 }
 
+static const char *umts_cell_id_name(const struct umts_cell_id *ucid)
+{
+	static __thread char buf[40];
+
+	snprintf(buf, sizeof(buf), "%u-%u-L%u-R%u-S%u", ucid->mcc, ucid->mnc, ucid->lac, ucid->rac, ucid->sac);
+	return buf;
+}
+
+const char *hnb_context_name(struct hnb_context *ctx)
+{
+	if (!ctx)
+		return "NULL";
+
+	if (ctx->gw->config.log_prefix_hnb_id)
+		return ctx->identity_info;
+	else
+		return umts_cell_id_name(&ctx->id);
+}
+
 void hnb_context_release(struct hnb_context *ctx)
 {
 	struct hnbgw_context_map *map, *map2;
diff --git a/src/hnbgw_vty.c b/src/hnbgw_vty.c
index f2e51d4..a826246 100644
--- a/src/hnbgw_vty.c
+++ b/src/hnbgw_vty.c
@@ -296,6 +296,19 @@
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_hnbgw_log_prefix, cfg_hnbgw_log_prefix_cmd,
+      "log-prefix (hnb-id|umts-cell-id)",
+      "Configure the log message prefix\n"
+      "Use the hNB-ID as log message prefix\n"
+      "Use the UMTS Cell ID as log message prefix\n")
+{
+	if (!strcmp(argv[0], "hnb-id"))
+		g_hnb_gw->config.log_prefix_hnb_id = true;
+	else
+		g_hnb_gw->config.log_prefix_hnb_id = false;
+	return CMD_SUCCESS;
+}
+
 DEFUN(cfg_hnbgw_iucs_remote_addr,
       cfg_hnbgw_iucs_remote_addr_cmd,
       "remote-addr NAME",
@@ -319,6 +332,8 @@
 static int config_write_hnbgw(struct vty *vty)
 {
 	vty_out(vty, "hnbgw%s", VTY_NEWLINE);
+	vty_out(vty, " log-prefix %s%s", g_hnb_gw->config.log_prefix_hnb_id ? "hnb-id" : "umts-cell-id",
+		VTY_NEWLINE);
 	return CMD_SUCCESS;
 }
 
@@ -376,6 +391,7 @@
 	install_node(&hnbgw_node, config_write_hnbgw);
 
 	install_element(HNBGW_NODE, &cfg_hnbgw_rnc_id_cmd);
+	install_element(HNBGW_NODE, &cfg_hnbgw_log_prefix_cmd);
 
 	install_element(HNBGW_NODE, &cfg_hnbgw_iuh_cmd);
 	install_node(&iuh_node, config_write_hnbgw_iuh);

-- 
To view, visit https://gerrit.osmocom.org/c/osmo-iuh/+/21899
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Gerrit-Project: osmo-iuh
Gerrit-Branch: master
Gerrit-Change-Id: I6113925216c6f88add2c6d27bdf47ccbb017f293
Gerrit-Change-Number: 21899
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-MessageType: newchange
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