restructuring: Introduce _transceive_ functions for Tx-then-Rx
diff --git a/src/diag_cmd.c b/src/diag_cmd.c
new file mode 100644
index 0000000..b1f4dc4
--- /dev/null
+++ b/src/diag_cmd.c
@@ -0,0 +1,72 @@
+/*
+ * (C) 2013-2016 by Harald Welte <laforge@gnumonks.org>
+ *
+ * originally based on earlier code from Dieter Spaar and Holger
+ * Freyther, though by now almost entirely rewritten. Nevertheless,
+ * thanks to Dieter and Holger!
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "protocol/protocol.h"
+#include "protocol/diagcmd.h"
+#include "diag_cmd.h"
+#include "diag_log.h"
+#include "diag_msg.h"
+
+
+/***********************************************************************
+ * CMD Dispatch
+ ***********************************************************************/
+
+static diag_cmd_handler *cmd_handlers[0xff];
+
+/* called by individual modules to register their own decoders */
+void diag_cmd_reg_dispatch(const struct diag_cmd_dispatch_tbl *tbl, unsigned int size)
+{
+ unsigned int i;
+ for (i = 0; i < size; i++) {
+ printf("Registering CMD dispatch for 0x%02x\n", tbl[i].code);
+ cmd_handlers[tbl[i].code] = tbl[i].handler;
+ }
+}
+
+int diag_process_msg(struct diag_instance *di, struct msgb *msg)
+{
+ uint8_t cmd = msg->l2h[0];
+
+ switch (cmd) {
+ case DIAG_LOG_F:
+ diag_log_handle(di, msg);
+ msgb_free(msg);
+ return 1;
+ case DIAG_EXT_MSG_F:
+ diag_rx_ext_msg_f(di, msg);
+ msgb_free(msg);
+ return 1;
+ default:
+ if (cmd_handlers[cmd]) {
+ (cmd_handlers[cmd])(di, msg);
+ msgb_free(msg);
+ return 1;
+ } else {
+ printf("Got %d bytes data of unknown payload type 0x%02x: %s\n",
+ msgb_length(msg), msg->l2h[0],
+ osmo_hexdump(msgb_data(msg), msgb_length(msg)));
+ return 0;
+ }
+ break;
+ }
+}