void *CLIProcessCmdsInteractive(void *arg)
{
FILE *fp = (FILE *)arg;
CLIPrintHelpPreamble();
CLIProcessCmds(fp, 1);
}
/*
* This is the main routine of the CLI. Everything starts here.
* The CLI registers and commands into a hash table and forks a thread to
* handle the command line.
*/
int CLIInit(router_config *rarg)
{
int stat, *jstat;
if (!(cli_map = map_create(free)))
return EXIT_FAILURE;
/*
* Disable certain signals such as Ctrl+C.. make the shell a little stable
*/
redefineSignalHandler(SIGINT, dummyFunction);
redefineSignalHandler(SIGQUIT, dummyFunction);
redefineSignalHandler(SIGTSTP, dummyFunction);
verbose(2, "[cliHandler]:: Registering CLI commands in the command table ");
/*
* Register the commands allowed in the CLI. Each command is implemented by a
* function. The function is inserted into the command registary and picked up
* when the leading string is typed in the CLI.
*/
registerCLI("help", helpCmd, SHELP_HELP, USAGE_HELP, LHELP_HELP); // Check
registerCLI("version", versionCmd, SHELP_VERSION, USAGE_VERSION, LHELP_VERSION); // Check
registerCLI("set", setCmd, SHELP_SET, USAGE_SET, LHELP_SET); // Check
registerCLI("get", getCmd, SHELP_GET, USAGE_GET, LHELP_GET); // Check
registerCLI("source", sourceCmd, SHELP_SOURCE, USAGE_SOURCE, LHELP_SOURCE); // Check
registerCLI("ifconfig", ifconfigCmd, SHELP_IFCONFIG, USAGE_IFCONFIG, LHELP_IFCONFIG);
registerCLI("route", routeCmd, SHELP_ROUTE, USAGE_ROUTE, LHELP_ROUTE);
registerCLI("arp", arpCmd, SHELP_ARP, USAGE_ARP, LHELP_ARP);
registerCLI("ping", pingCmd, SHELP_PING, USAGE_PING, LHELP_PING); // Check
registerCLI("console", consoleCmd, SHELP_CONSOLE, USAGE_CONSOLE, LHELP_CONSOLE); // Check
registerCLI("halt", haltCmd, SHELP_HALT, USAGE_HALT, LHELP_HALT); // Check
registerCLI("exit", haltCmd, SHELP_EXIT, USAGE_EXIT, LHELP_EXIT); // Check
registerCLI("queue", queueCmd, SHELP_QUEUE, USAGE_QUEUE, LHELP_QUEUE); // Check
registerCLI("qdisc", qdiscCmd, SHELP_QDISC, USAGE_QDISC, LHELP_QDISC); // Check
registerCLI("spolicy", spolicyCmd, SHELP_SPOLICY, USAGE_SPOLICY, LHELP_SPOLICY); // Check
registerCLI("class", classCmd, SHELP_CLASS, USAGE_CLASS, LHELP_CLASS);
registerCLI("filter", filterCmd, SHELP_FILTER, USAGE_FILTER, LHELP_FILTER);
registerCLI("hello", helloCmd, SHELP_EXIT, USAGE_EXIT, LHELP_EXIT);
if (rarg->config_dir != NULL)
chdir(rarg->config_dir); // change to the configuration directory
if (rarg->config_file != NULL)
{
FILE *ifile = fopen(rarg->config_file, "r");
rl_instream = ifile; // redirect the input stream
CLIProcessCmds(ifile, 0);
rl_instream = stdin;
}
if (rarg->cli_flag != 0)
stat = pthread_create((pthread_t *)(&(rarg->clihandler)), NULL, CLIProcessCmdsInteractive, (void *)stdin);
pthread_join(rarg->clihandler, (void **)&jstat);
verbose(2, "[cliHandler]:: Destroying the CLI datastructures ");
CLIDestroy();
}
void sourceCmd()
{
FILE *fp;
char *next_tok = strtok(NULL, " \n");
if (next_tok == NULL)
{
error("[sourceCmd]:: ERROR!! missing file specification...");
return;
}
if ((fp = fopen(next_tok, "r")) == NULL)
{
error("[sourceCmd]:: ERROR!! cannot open file %s.. ", next_tok);
return;
}
rl_instream = fp;
CLIProcessCmds(fp, 0);
rl_instream = stdin;
}
