[bsc_msc] Move the id get response into the bsc_msc.c

Create the message in a common place and then it can be used
by tools having an a link or such.

2 files changed, 24 insertions, 0 deletions

diff --git a/openbsc/include/openbsc/bsc_msc.h b/openbsc/include/openbsc/bsc_msc.h
index 041de256e..9b75def9a 100644
--- a/openbsc/include/openbsc/bsc_msc.h
+++ b/openbsc/include/openbsc/bsc_msc.h
@@ -45,4 +45,6 @@ void bsc_msc_schedule_connect(struct bsc_msc_connection *);
 
 void bsc_msc_lost(struct bsc_msc_connection *);
 
+struct msgb *bsc_msc_id_get_resp(const char *token);
+
 #endif
diff --git a/openbsc/src/bsc_msc.c b/openbsc/src/bsc_msc.c
index 2902f2903..5ee267a2f 100644
--- a/openbsc/src/bsc_msc.c
+++ b/openbsc/src/bsc_msc.c
@@ -22,6 +22,7 @@
 
 #include <openbsc/bsc_msc.h>
 #include <openbsc/debug.h>
+#include <openbsc/ipaccess.h>
 
 #include <osmocore/write_queue.h>
 #include <osmocore/talloc.h>
@@ -237,4 +238,25 @@ void bsc_msc_schedule_connect(struct bsc_msc_connection *con)
 	con->reconnect_timer.cb = reconnect_msc;
 	con->reconnect_timer.data = con;
 	bsc_schedule_timer(&con->reconnect_timer, 5, 0);
+}
+
+struct msgb *bsc_msc_id_get_resp(const char *token)
+{
+	struct msgb *msg;
+
+	if (!token) {
+		LOGP(DMSC, LOGL_ERROR, "No token specified.\n");
+		return NULL;
+	}
+
+	msg = msgb_alloc_headroom(4096, 128, "id resp");
+	if (!msg) {
+		LOGP(DMSC, LOGL_ERROR, "Failed to create the message.\n");
+		return NULL;
+	}
+
+	msg->l2h = msgb_v_put(msg, IPAC_MSGT_ID_RESP);
+	msgb_l16tv_put(msg, strlen(token) + 1,
+			IPAC_IDTAG_UNITNAME, (u_int8_t *) token);
+	return msg;
 }
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