control_if: Add helper function for 'local execution' of control command
Sometimes (particularly when testing), we may want to parse+execute an
arbitrary control command simply form a string buffer, rather than from
a msgb. Let's add a helper for that.
Change-Id: Iaca748e0d942bb2a1ee7c2776b37485e1439eb0c
diff --git a/src/ctrl/control_if.c b/src/ctrl/control_if.c
index 28f696b..c8b4722 100644
--- a/src/ctrl/control_if.c
+++ b/src/ctrl/control_if.c
@@ -810,3 +810,31 @@
llist_add_tail(&lh->list, &ctrl_lookup_helpers);
return 0;
}
+
+/*! \brief Helper for "local execution" of a CTRL command from a string
+ * The function will parse + execute the given control command string
+ * and return a corresponding ctrl_cmd. Caller is responsible to
+ * talloc_free() the return value.
+ * \param[in] Control Interface Command String
+ * \returns parsed command, including reply; NULL on error */
+struct ctrl_cmd *ctrl_cmd_exec_from_string(struct ctrl_handle *ch, const char *cmdstr)
+{
+ struct msgb *msg = msgb_alloc(1024, "ctrl-cmd");
+ struct ctrl_cmd *cmd;
+
+ if (!msg)
+ return NULL;
+ msg->l2h = msg->data;
+ osmo_strlcpy((char *)msg->data, cmdstr, msgb_tailroom(msg));
+ msgb_put(msg, strlen(cmdstr));
+
+ cmd = ctrl_cmd_parse(ch, msg);
+ msgb_free(msg);
+ if (!cmd)
+ return NULL;
+ if (ctrl_cmd_handle(ch, cmd, NULL) < 0) {
+ talloc_free(cmd);
+ return NULL;
+ }
+ return cmd;
+}