static int poll_setup(struct re *re)
{
int err;
err = fd_setsize(DEFAULT_MAXFDS);
if (err)
goto out;
if (METHOD_NULL == re->method) {
err = poll_method_set(poll_method_best());
if (err)
goto out;
DEBUG_INFO("poll setup: poll method not set - set to `%s'\n",
poll_method_name(re->method));
}
err = poll_init(re);
out:
if (err)
poll_close(re);
return err;
}
int main(int argc,char **argv)
{
pthread_t zputhread;
pthread_attr_t zputhreadattr;
void *ret;
if (argc<2) {
return help();
}
poll_init();
gui_init();
zpuino_interface_init();
if (load_device_map("device.map")<0) {
fprintf(stderr,"SIMULATOR: Error loading device map\n");
return -1;
}
int infile = open(argv[1],O_RDONLY);
read(infile,_memory,32768);
close(infile);
zpuino_io_post_init();
gui_post_init();
// Spawn terminal
/*
int pid;
switch(pid=vfork()) {
case 0:
return execl("./terminal/terminal","terminal",uart_get_slave_name(),NULL);
default:
break;
}
*/
/* if (setup_programmer_port()<0)
return -1;
*/
signal(SIGINT,&sign);
_usp=get_initial_stack_location();
zpuino_clock_start();
// start processing thread
pthread_attr_init(&zputhreadattr);
pthread_create(&zputhread,&zputhreadattr, zpu_thread, NULL);
zpu_halt();
poll_loop();
pthread_join(zputhread,&ret);
return 0;
}
struct libwebrtc_context* libwebrtc_create_context(lwrtc_callback_function callback) {
assert( callback != NULL );
libwebrtc_context* ctx = new libwebrtc_context();
ctx->chain = poll_init();
ctx->factory = ILibWrapper_WebRTC_ConnectionFactory_CreateConnectionFactory(ctx->chain, 0);
ctx->callback = callback;
return ctx;
}
/**
* Set async I/O polling method. This function can also be called while the
* program is running.
*
* @param method New polling method
*
* @return 0 if success, otherwise errorcode
*/
int poll_method_set(enum poll_method method)
{
struct re *re = re_get();
int err;
err = fd_setsize(DEFAULT_MAXFDS);
if (err)
return err;
switch (method) {
#ifdef HAVE_POLL
case METHOD_POLL:
break;
#endif
#ifdef HAVE_SELECT
case METHOD_SELECT:
if (re->maxfds > (int)FD_SETSIZE) {
DEBUG_WARNING("SELECT: maxfds > FD_SETSIZE\n");
return EMFILE;
}
break;
#endif
#ifdef HAVE_EPOLL
case METHOD_EPOLL:
if (!epoll_check())
return EINVAL;
break;
#endif
#ifdef HAVE_ACTSCHED
case METHOD_ACTSCHED:
break;
#endif
#ifdef HAVE_KQUEUE
case METHOD_KQUEUE:
break;
#endif
default:
DEBUG_WARNING("poll method not supported: '%s'\n",
poll_method_name(method));
return EINVAL;
}
re->method = method;
re->update = true;
DEBUG_INFO("Setting async I/O polling method to `%s'\n",
poll_method_name(re->method));
err = poll_init(re);
if (err)
return err;
return rebuild_fds(re);
}
static int
test1()
{
DCB *dcb;
int result;
int eno = 0;
/* Poll tests */
ss_dfprintf(stderr,
"testpoll : Initialise the polling system.");
init_test_env(NULL);
poll_init();
ss_dfprintf(stderr, "\t..done\nAdd a DCB");
dcb = dcb_alloc(DCB_ROLE_REQUEST_HANDLER);
if(dcb == NULL){
ss_dfprintf(stderr, "\nError on function call: dcb_alloc() returned NULL.\n");
return 1;
}
dcb->fd = socket(AF_UNIX, SOCK_STREAM, 0);
if(dcb->fd < 0){
char errbuf[STRERROR_BUFLEN];
ss_dfprintf(stderr, "\nError on function call: socket() returned %d: %s\n",errno,strerror_r(errno,errbuf,sizeof(errbuf)));
return 1;
}
if((eno = poll_add_dcb(dcb)) != 0){
ss_dfprintf(stderr, "\nError on function call: poll_add_dcb() returned %d.\n",eno);
return 1;
}
if((eno = poll_remove_dcb(dcb)) != 0){
ss_dfprintf(stderr, "\nError on function call: poll_remove_dcb() returned %d.\n",eno);
return 1;
}
if((eno = poll_add_dcb(dcb)) != 0){
ss_dfprintf(stderr, "\nError on function call: poll_add_dcb() returned %d.\n",eno);
return 1;
}
ss_dfprintf(stderr, "\t..done\nStart wait for events.");
sleep(10);
poll_shutdown();
ss_dfprintf(stderr, "\t..done\nTidy up.");
dcb_close(dcb);
ss_dfprintf(stderr, "\t..done\n");
return 0;
}
int main(void)
{
int rc = poll_init();
if ( rc ) {
return 1;
}
for (;;) {
rc = poll_select();
if ( rc ) {
return 2;
}
}
return 0;
}
int main(int argc, const char *argv[])
{
if(signal(SIGPIPE, SIG_IGN) == SIG_ERR)
ERR_EXIT("signal");
int listenfd = make_socket();
printf("listen %d\n",listenfd);
poll_t pol;
poll_init(&pol, listenfd, handle);
while(1)
{
poll_do_wait(&pol);
poll_handle_accept(&pol);
poll_handle_data(&pol);
}
close(listenfd);
return 0;
}
int main (int argc, char**argv)
{
int ret = 0;
int heartbeat_usec = 50000; //20Hz is ok by default
uint64_t last_beat = 0;
Log_info ("cloudvpn starting");
Log (0, "You are using CloudVPN, which is Free software.");
Log (0, "For more information please see the GNU GPL license,");
Log (0, "which you should have received along with this program.");
setup_sighandler (kill_cloudvpn);
/*
* initialization
*/
if (!config_parse (argc, argv) ) {
Log_error ("failed to parse config, terminating.");
ret = 1;
goto failed_config;
}
if (!config_get_int ("heartbeat", heartbeat_usec) )
heartbeat_usec = 50000;
Log_info ("heartbeat is set to %d usec", heartbeat_usec);
timestamp_update(); //get initial timestamp
status_init();
route_init();
squeue_init();
network_init();
if (poll_init() ) {
Log_fatal ("poll initialization failed");
ret = 2;
goto failed_poll;
}
if (do_memlock() ) {
Log_fatal ("locking process to memory failed");
ret = 3;
goto failed_poll;
}
if (comm_load() ) {
Log_fatal ("failed to load comm data");
ret = 4;
goto failed_poll;
}
if (comm_init() ) {
Log_fatal ("communication initialization failed");
ret = 5;
goto failed_comm;
}
if (gate_init() ) {
Log_fatal ("gate initialization failed");
ret = 6;
goto failed_gate;
}
if (do_chroot() ) {
Log_fatal ("chrooting failed");
ret = 7;
goto failed_sec;
}
if (do_switch_user() ) {
Log_fatal ("user switch failed");
ret = 8;
goto failed_sec;
}
/*
* main loop
*/
Log_info ("initialization complete, entering main loop");
last_beat = 0; //update immediately.
while (!g_terminate) {
timestamp_update();
if ( (timestamp() - last_beat)
< (unsigned int) heartbeat_usec) {
//poll more stuff
poll_wait_for_event (heartbeat_usec
- timestamp()
+ last_beat);
//send the results
comm_flush_data();
gate_flush_data();
continue;
}
last_beat = timestamp();
gate_periodic_update();
comm_periodic_update();
route_periodic_update();
status_try_export();
}
/*
* deinitialization
*/
Log_info ("shutting down");
failed_sec:
gate_shutdown();
failed_gate:
comm_shutdown();
failed_comm:
if (poll_deinit() )
Log_warn ("poll_deinit somehow failed!");
failed_poll:
failed_config:
if (!ret) Log_info ("cloudvpn exiting gracefully");
else Log_error ("cloudvpn exiting with code %d", ret);
return ret;
}
int main(int argc, char **argv)
{
int ch, longindex, nr;
int is_daemon = 1, is_debug = 1;
pid_t pid;
struct pollfd *poll_array;
while ((ch = getopt_long(argc, argv, "fd:vh", long_options, &longindex)) >= 0) {
switch (ch) {
case 'f':
is_daemon = 0;
break;
case 'd':
is_debug = atoi(optarg);
break;
case 'v':
exit(0);
break;
case 'h':
usage(0);
break;
default:
usage(1);
break;
}
}
init(is_daemon, is_debug);
if (is_daemon) {
pid = fork();
if (pid < 0)
exit(-1);
else if (pid)
exit(0);
chdir("/");
close(0);
open("/dev/null", O_RDWR);
dup2(0, 1);
dup2(0, 2);
setsid();
}
nl_fd = nl_open();
if (nl_fd < 0)
exit(nl_fd);
ipc_fd = ipc_open();
if (ipc_fd < 0)
exit(ipc_fd);
dl_init();
nr = MAX_DL_HANDLES;
poll_array = poll_init(nr);
dl_config_load();
event_loop(nr, poll_array);
return 0;
}
