static void
conn_main(void)
{
const AtmAddr_t *addr;
int main_conn;
const char *str;
int i;
addr = get_var_addr(&conn_unit, "S1");
if (addr == NULL) {
dump_printf(EL_ERROR, "S1 (LES Address) must be specified");
event_put(&conn_unit, CE_EXIT, NULL);
}
else {
str = get_var_str(&conn_unit,"S2");
if (str == NULL) {
set_var_str(&conn_unit, "S2", S2_default);
}
i = get_var_int(&conn_unit,"S3");
if (i == 0) {
set_var_int(&conn_unit,"S3", S3_default);
}
i = get_var_int(&conn_unit,"S4");
if (i == 0) {
set_var_int(&conn_unit,"S4", S4_default);
}
i = get_var_int(&conn_unit,"S5");
if (i == 0) {
set_var_int(&conn_unit,"S5", S5_default);
}
addr = get_var_addr(&conn_unit, "S6");
if (addr == NULL) {
dump_printf(EL_ERROR, "S6 (BUS Address) must be specified");
event_put(&conn_unit, CE_EXIT, NULL);
} else {
main_conn = atm_create_socket(CONTROL_DIRECT,
get_var_addr(&conn_unit, "S1"));
if (main_conn >= 0) {
(void)conn_add(CT_MAIN, main_conn,0);
}
}
}
}
int main(int argc, char **argv)
{
int i =0;
char *config_file =NULL;
char *listen_addr = NULL;
int fd_arr[MAX_FD];
int no_fds=1;
int just_dump=0;
fd_set fds;
struct sockaddr_atmsvc client;
int len;
unsigned char buffer[P_SIZE];
while(i!=-1) {
i = getopt(argc, argv, "f:l:d");
switch(i) {
case 'd':
printf("Dumping databasefile\n");
just_dump=1;
break;
case 'f':
if (config_file) {
usage(argv[0]);
exit(-1);
}
config_file = (char*)mem_alloc(COMP_NAME, strlen(optarg)+1);
if (!config_file) {
exit(-1);
}
memcpy(config_file, optarg, strlen(optarg)+1);
break;
case 'l':
if (listen_addr) {
usage(argv[0]);
exit(-1);
}
listen_addr = (char*)mem_alloc(COMP_NAME, strlen(optarg)+1);
if (!listen_addr)
exit(-1);
memcpy(listen_addr, optarg, strlen(optarg)+1);
break;
case -1:
break;
default:
usage(argv[0]);
exit(-1);
}
}
if (argc != optind) {
usage(argv[0]);
exit(-1);
}
/* Following gets run in the beginning or when lecs is restarted */
while (stay_alive) {
/* Read configuration file */
if (config_file) {
if (load_db(config_file)<0)
exit(-1);
} else {
if (load_db(DEFAULT_CONFIG)<0)
exit(-1);
}
if (just_dump) {
dump_db(NULL);
exit(0);
}
/* Reserve signals */
signal(SIGHUP, sig_reset);
signal(SIGINT, sig_kill);
signal(SIGQUIT, sig_kill);
signal(SIGABRT, sig_kill);
signal(SIGTERM, sig_kill);
signal(SIGSEGV, sig_kill);
/* CHANGE: First parameter, then configuration file! */
fd_arr[0] = atm_create_socket(CONFIGURATION_DIRECT,
get_lecs_addr());
no_fds=1;
if (fd_arr[0] <0) {
stay_alive=0; /* No need to go on */
}
while(!reset && stay_alive) {
FD_ZERO(&fds);
for(i=0;i<no_fds;i++) {
FD_SET(fd_arr[i],&fds);
}
if (select(MAX_FD, &fds, NULL, NULL, NULL)<0) {
perror("select(MAX_FD,...)");
stay_alive=0;
} else {
if (FD_ISSET(fd_arr[0],&fds)) { /* Incoming call */
if (no_fds == MAX_FD) {
close(fd_arr[1]); /* Oldest */
memmove(&fd_arr[1], &fd_arr[2], sizeof(int)*(MAX_FD-2));
no_fds--;
}
len = sizeof(client);
fd_arr[no_fds] = accept(fd_arr[0], (struct sockaddr*)&client,
&len);
if (fd_arr[no_fds]<0) {
if (errno==ENETRESET)
reset=1;
if (errno==EUNATCH)
stay_alive=1;
} else {
no_fds++;
}
}
for(i=1;i<no_fds;i++) {
if (FD_ISSET(fd_arr[i],&fds)) {
len = read(fd_arr[i], buffer, P_SIZE);
if (len <0 && (errno == ENETRESET || errno == EUNATCH)) {
reset=0;
}
if (len<=0) {
close(fd_arr[i]);
memmove(&fd_arr[i], &fd_arr[i+1], sizeof(int)*(--no_fds -i));
i--;
} else {
if(send_response(fd_arr[i], buffer, len)<0) {
close(fd_arr[i]);
memmove(&fd_arr[i], &fd_arr[i+1], sizeof(int)*(--no_fds -i));
}
}
}
}
}
}
/* This gets done if a signal has been caught, or if
network resets/becomes unavailable */
reset=0;
for(i=0;i<no_fds;i++)
close(fd_arr[i]);
no_fds=0;
reset_db();
}
return 0;
}
