/*
* 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();
}
int main(int ac, char *av[])
{
char rpath[MAX_NAME_LEN];
int status, *jstatus;
simplequeue_t *outputQ, *workQ, *qtoa;
pthread_t IGMP_broadcast_thread;
// create separate thread for broadcasting IGMP group query messages
pthread_create(&IGMP_broadcast_thread, NULL, IGMPBroadcast, NULL);
// setup the program properties
setupProgram(ac, av);
// creates a PID file under router_name.pid in the current directory
status = makePIDFile(rconfig.router_name, rpath);
// shutdown the router on receiving SIGUSR1 or SIGUSR2
redefineSignalHandler(SIGUSR1, shutdownRouter);
redefineSignalHandler(SIGUSR2, shutdownRouter);
outputQ = createSimpleQueue("outputQueue", INFINITE_Q_SIZE, 0, 1);
workQ = createSimpleQueue("work Queue", INFINITE_Q_SIZE, 0, 1);
GNETInit(&(rconfig.ghandler), rconfig.config_dir, rconfig.router_name, outputQ);
ARPInit();
IPInit();
classifier = createClassifier();
filter = createFilter(classifier, 0);
pcore = createPacketCore(rconfig.router_name, outputQ, workQ);
// add a default Queue.. the createClassifier has already added a rule with "default" tag
// char *qname, char *dqisc, double qweight, double delay_us, int nslots);
addPktCoreQueue(pcore, "default", "taildrop", 1.0, 2.0, 0);
rconfig.scheduler = PktCoreSchedulerInit(pcore);
rconfig.worker = PktCoreWorkerInit(pcore);
infoInit(rconfig.config_dir, rconfig.router_name);
addTarget("Output Queue", outputQ);
qtoa = getCoreQueue(pcore, "default");
if (qtoa != NULL)
addTarget("Default Queue", qtoa);
else
printf("Error .. found null queue for default\n");
// start the CLI..
CLIInit(&(rconfig));
wait4thread(rconfig.scheduler);
wait4thread(rconfig.worker);
wait4thread(rconfig.ghandler);
wait4thread(IGMP_broadcast_thread);
}
int main(int ac, char *av[])
{
char rpath[MAX_NAME_LEN];
int status, *jstatus;
simplequeue_t *outputQ, *workQ, *qtoa;
// setup the program properties
setupProgram(ac, av);
// creates a PID file under router_name.pid in the current directory
status = makePIDFile(rconfig.router_name, rpath);
// shutdown the router on receiving SIGUSR1 or SIGUSR2
redefineSignalHandler(SIGUSR1, shutdownRouter);
redefineSignalHandler(SIGUSR2, shutdownRouter);
outputQ = createSimpleQueue("outputQueue", INFINITE_Q_SIZE, 0, 1);
workQ = createSimpleQueue("work Queue", INFINITE_Q_SIZE, 0, 1);
GNETInit(&(rconfig.ghandler), rconfig.config_dir, rconfig.router_name, outputQ);
ARPInit();
IPInit();
init_ports();
init_tcp();
/*uint32_t dest_ip = 12319800;
uint16_t dest_port = 123;
uint16_t src_port = 456;
char *data = "Hello";
int len = 6;
send_udp(dest_ip,dest_port,src_port,data,len);*/
/*
*Test udp_recv
*
*/
/*open_port(1, UDP_PROTOCOL);
gpacket_t *packet = (gpacket_t *) malloc(sizeof(gpacket_t));
ip_packet_t *ipPacket = (ip_packet_t *)(packet->data.data);
ipPacket->ip_src = {0x1,0x1,0x1,0x1};
ipPacket->ip_dst = {0x2,0x2,0x2,0x2};
ipPacket->ip_cksum = 65535;
ipPacket->ip_pkt_len = ipPacket->ip_hdr_len;
udphdr_t *udpHeader = (udphdr_t *)((uchar *)ipPacket + ipPacket->ip_hdr_len*4);
udpHeader->source = 0; // ports
udpHeader->dest = 1;
udpHeader->len = 0; // length of data in octets
udpHeader->check = 65535;
udp_recv(packet);
free(packet);
free(ipPacket);
free(udpHeader);*/
/*
*
*
* End test udp_recv
*
*/
printf("dis router");
classifier = createClassifier();
filter = createFilter(classifier, 0);
pcore = createPacketCore(rconfig.router_name, outputQ, workQ);
// add a default Queue.. the createClassifier has already added a rule with "default" tag
// char *qname, char *dqisc, double qweight, double delay_us, int nslots);
addPktCoreQueue(pcore, "default", "taildrop", 1.0, 2.0, 0);
rconfig.scheduler = PktCoreSchedulerInit(pcore);
rconfig.worker = PktCoreWorkerInit(pcore);
infoInit(rconfig.config_dir, rconfig.router_name);
addTarget("Output Queue", outputQ);
qtoa = getCoreQueue(pcore, "default");
if (qtoa != NULL)
addTarget("Default Queue", qtoa);
else
printf("Error .. found null queue for default\n");
// start the CLI..
CLIInit(&(rconfig));
wait4thread(rconfig.scheduler);
wait4thread(rconfig.worker);
wait4thread(rconfig.ghandler);
}