diff options
| -rw-r--r-- | src/vty/fsm_vty.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/vty/fsm_vty.c b/src/vty/fsm_vty.c index da6038fa..19c35daa 100644 --- a/src/vty/fsm_vty.c +++ b/src/vty/fsm_vty.c @@ -158,6 +158,44 @@ DEFUN(show_fsm, show_fsm_cmd, return CMD_SUCCESS; } +DEFUN(show_fsm_state_graph, show_fsm_state_graph_cmd, + "show fsm-state-graph NAME", + SHOW_STR "Generate a state transition graph (using DOT language)\n" + "FSM name\n") +{ + const struct osmo_fsm *fsm; + + fsm = osmo_fsm_find_by_name(argv[0]); + if (!fsm) { + vty_out(vty, "Error: FSM with name '%s' doesn't exist!%s", + argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + + vty_out(vty, "digraph \"%s\" {%s", fsm->name, VTY_NEWLINE); + + for (unsigned int i = 0; i < fsm->num_states; i++) { + const struct osmo_fsm_state *st = &fsm->states[i]; + + vty_out(vty, "\t\"%s\"; # out_state_mask=0x%08x%s", + st->name, st->out_state_mask, VTY_NEWLINE); + + for (unsigned int j = 0; j < sizeof(st->out_state_mask) * 8; j++) { + if (~st->out_state_mask & (1 << j)) + continue; + vty_out(vty, "\t\"%s\" -> \"%s\";%s", + st->name, osmo_fsm_state_name(fsm, j), + VTY_NEWLINE); + } + + vty_out(vty, "%s", VTY_NEWLINE); + } + + vty_out(vty, "}%s", VTY_NEWLINE); + + return CMD_SUCCESS; +} + DEFUN(show_fsm_insts, show_fsm_insts_cmd, "show fsm-instances all", SH_FSMI_STR @@ -214,6 +252,7 @@ void osmo_fsm_vty_add_cmds(void) install_lib_element_ve(&show_fsm_cmd); install_lib_element_ve(&show_fsms_cmd); + install_lib_element_ve(&show_fsm_state_graph_cmd); install_lib_element_ve(&show_fsm_inst_cmd); install_lib_element_ve(&show_fsm_insts_cmd); osmo_fsm_vty_cmds_installed = true; |