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-rw-r--r--library/Osmocom_VTY_Functions.ttcn103
1 files changed, 103 insertions, 0 deletions
diff --git a/library/Osmocom_VTY_Functions.ttcn b/library/Osmocom_VTY_Functions.ttcn
new file mode 100644
index 0000000..1215e0d
--- /dev/null
+++ b/library/Osmocom_VTY_Functions.ttcn
@@ -0,0 +1,103 @@
+module Osmocom_VTY_Functions {
+ import from TELNETasp_PortType all;
+
+ /* permitted prompts on VTY */
+ const charstring NORMAL_PROMPT := "OpenBSC> ";
+ const charstring ENABLE_PROMPT := "OpenBSC# ";
+ const charstring CONFIG_PROMPT := "OpenBSC(*)\#";
+ template charstring t_vty_unknown := pattern "*% Unknown command.";
+
+ const ASP_TelnetDynamicConfig vty_prompt[3] := {
+ {
+ prompt := {
+ id := 1,
+ prompt := NORMAL_PROMPT,
+ has_wildcards := false
+ }
+ }, {
+ prompt := {
+ id := 2,
+ prompt := ENABLE_PROMPT,
+ has_wildcards := false
+ }
+ }, {
+ prompt := {
+ id := 3,
+ prompt := CONFIG_PROMPT,
+ has_wildcards := true
+ }
+ }
+ };
+
+ /* configure prompts in TELNETasp module */
+ function f_vty_set_prompts(TELNETasp_PT pt) {
+ /* set some configuration that isn't possible to express
+ * in the config file due to syntactic restrictions (Who invents config
+ * files that don't permit regular expressions? */
+ for (var integer i := 0; i < sizeof(vty_prompt); i:= i + 1) {
+ pt.send(vty_prompt[i])
+ }
+ }
+
+ /* wait for any of the permitted prompts; buffer + return all intermediate output */
+ function f_vty_wait_for_prompt(TELNETasp_PT pt) return charstring {
+ template charstring config_pattern := pattern CONFIG_PROMPT;
+ var charstring rx, buf := "";
+ timer T := 2.0;
+
+ T.start;
+ alt {
+ [] pt.receive(NORMAL_PROMPT) { };
+ [] pt.receive(ENABLE_PROMPT) { };
+ [] pt.receive(config_pattern) { };
+ [] pt.receive(t_vty_unknown) { testcase.stop(fail, "VTY: Unknown Command") };
+ [] pt.receive(charstring:?) -> value rx { buf := buf & rx; repeat };
+ [] T.timeout { setverdict(fail, "VTY Timeout for prompt"); return ""};
+ }
+ T.stop;
+ return buf;
+ }
+
+ /* send a VTY command and obtain response until prompt is received */
+ function f_vty_transceive_ret(TELNETasp_PT pt, charstring tx) return charstring {
+ pt.send(tx);
+ return f_vty_wait_for_prompt(pt);
+ }
+
+ /* send a VTY command and obtain response until prompt is received */
+ function f_vty_transceive(TELNETasp_PT pt, charstring tx) {
+ f_vty_transceive_ret(pt, tx);
+ }
+
+ type integer BtsNr (0..255);
+ type integer BtsTrxNr (0..255);
+ type integer BtsTimeslotNr (0..7);
+
+ type charstring BtsGprsMode ("none", "gprs", "egrps");
+
+ /* enter the'confiugration' mode of the VTY */
+ function f_vty_enter_config(TELNETasp_PT pt) {
+ f_vty_transceive(pt, "configure terminal")
+ }
+
+ function f_vty_enter_cfg_network(TELNETasp_PT pt) {
+ f_vty_enter_config(pt);
+ f_vty_transceive(pt, "network")
+ }
+
+ function f_vty_enter_cfg_bts(TELNETasp_PT pt, BtsNr bts := 0) {
+ f_vty_enter_cfg_network(pt);
+ f_vty_transceive(pt, "bts " & int2str(bts));
+ }
+
+ function f_vty_enter_cfg_trx(TELNETasp_PT pt, BtsNr bts := 0, BtsTrxNr trx := 0) {
+ f_vty_enter_cfg_bts(pt, bts);
+ f_vty_transceive(pt, "trx " & int2str(trx));
+ }
+
+ function f_vty_enter_cfg_ts(TELNETasp_PT pt, BtsNr bts := 0, BtsTrxNr trx := 0, BtsTimeslotNr ts) {
+ f_vty_enter_cfg_trx(pt, bts, trx);
+ f_vty_transceive(pt, "timeslot " & int2str(ts));
+ }
+
+}