static void NETWORK_on_received(DictionaryIterator *iter, void *context)
{
int rval = 0;
struct NetworkState *state = context;
abort_if(!state, "state is null");
Tuple *tuple = dict_find(iter, 0);
abort_if(!tuple, "tuple is null");
char *action = tuple->value->cstring;
log_debug("<-- %s", action);
if(strcmp(action, "COUNT") == 0)
{
rval = process_count(iter, state);
abort_if(rval, "process_count failed");
}
else if(strcmp(action, "HABIT") == 0)
{
rval = process_habit(iter, state);
abort_if(rval, "process_habit failed");
}
else if(strcmp(action, "OK") == 0)
{
rval = process_ok(state);
abort_if(rval, "process_ok failed");
}
CLEANUP:
return;
}
int init_tm_stats(void)
{
int size;
tm_stats=shm_malloc(sizeof(struct t_stats));
if (tm_stats==0) {
LOG(L_ERR, "ERROR: init_tm_stats: no mem for stats\n");
goto error0;
}
memset(tm_stats, 0, sizeof(struct t_stats) );
size=sizeof(stat_counter)*process_count();
tm_stats->s_waiting=shm_malloc(size);
if (tm_stats->s_waiting==0) {
LOG(L_ERR, "ERROR: init_tm_stats: no mem for stats\n");
goto error1;
}
memset(tm_stats->s_waiting, 0, size );
tm_stats->s_transactions=shm_malloc(size);
if (tm_stats->s_transactions==0) {
LOG(L_ERR, "ERROR: init_tm_stats: no mem for stats\n");
goto error2;
}
memset(tm_stats->s_transactions, 0, size );
tm_stats->s_client_transactions=shm_malloc(size);
if (tm_stats->s_client_transactions==0) {
LOG(L_ERR, "ERROR: init_tm_stats: no mem for stats\n");
goto error3;
}
memset(tm_stats->s_client_transactions, 0, size );
if (register_fifo_cmd(fifo_stats, "t_stats", 0)<0) {
LOG(L_CRIT, "cannot register fifo stats\n");
goto error4;
}
if (unixsock_register_cmd("t_stats", unixsock_stats) < 0) {
LOG(L_CRIT, "cannot register fifo stats\n");
goto error4;
}
return 1;
error4:
shm_free(tm_stats->s_client_transactions);
tm_stats->s_client_transactions=0;
error3:
shm_free(tm_stats->s_transactions);
tm_stats->s_transactions=0;
error2:
shm_free(tm_stats->s_waiting);
tm_stats->s_waiting=0;
error1:
shm_free(tm_stats);
error0:
return -1;
}
/* tries to send a signal to all our processes
* if daemonized is ok to send the signal to all the process group,
* however if not daemonized we might end up sending the signal also
* to the shell which launched us => most signals will kill it if
* it's not in interactive mode and we don't want this. The non-daemonized
* case can occur when an error is encountered before daemonize is called
* (e.g. when parsing the config file) or when ser is started in "dont-fork"
* mode. Sending the signal to all the processes in pt[] will not work
* for processes forked from modules (which have no correspondent entry in
* pt), but this can happen only in dont_fork mode (which is only for
* debugging). So in the worst case + "dont-fork" we might leave some
* zombies. -- andrei */
static void kill_all_children(int signum)
{
int r;
if (own_pgid) kill(0, signum);
else if (pt)
for (r=1; r<process_count(); r++)
if (pt[r].pid) kill(pt[r].pid, signum);
}
// Handle input from Erlang VM
static void outputv(ErlDrvData handle, ErlIOVec *ev) {
bdb_drv_t* pdrv = (bdb_drv_t*) handle;
ErlDrvBinary* data = ev->binv[1];
int command = data->orig_bytes[0]; // First byte is the command
switch(command) {
case 'O':
process_open(pdrv, ev);
break;
case 'S':
process_set(pdrv, ev);
break;
case 'G':
process_get(pdrv, ev);
break;
case 'D':
process_del(pdrv, ev);
break;
case 'C':
process_count(pdrv, ev);
break;
case 'F':
process_flush(pdrv, ev);
break;
case 'B':
process_bulk_get(pdrv, ev);
break;
case 'Z':
process_compact(pdrv, ev);
break;
case 'T':
process_truncate(pdrv, ev);
break;
default:
process_unkown(pdrv, ev);
}
}
int static unixsock_stats(str* cmd)
{
unsigned long total, current, waiting, total_local;
int i;
int pno;
unixsock_reply_asciiz( "200 OK\n");
pno = process_count();
for(i = 0, total = 0, waiting = 0, total_local = 0; i < pno; i++) {
total += tm_stats->s_transactions[i];
waiting += tm_stats->s_waiting[i];
total_local += tm_stats->s_client_transactions[i];
}
current = total - tm_stats->deleted;
waiting -= tm_stats->deleted;
if (unixsock_reply_printf("Current: %lu (%lu waiting) "
"Total: %lu (%lu local) " CLEANUP_EOL,
current, waiting, total, total_local) < 0) goto err;
if (unixsock_reply_printf("Replied localy: %lu" CLEANUP_EOL ,
tm_stats->replied_localy ) < 0) goto err;
if (unixsock_reply_printf("Completion status 6xx: %lu,",
tm_stats->completed_6xx ) < 0) goto err;
if (unixsock_reply_printf(" 5xx: %lu,",
tm_stats->completed_5xx ) < 0) goto err;
if (unixsock_reply_printf(" 4xx: %lu,",
tm_stats->completed_4xx ) < 0) goto err;
if (unixsock_reply_printf(" 3xx: %lu,",
tm_stats->completed_3xx ) < 0) goto err;
if (unixsock_reply_printf("2xx: %lu" CLEANUP_EOL ,
tm_stats->completed_2xx ) < 0) goto err;
unixsock_reply_send();
return 0;
err:
unixsock_reply_reset();
unixsock_reply_asciiz("500 Buffer too small\n");
unixsock_reply_send();
return -1;
}
static int ps_cmd(str* msg)
{
int p, ret;
ret = 0;
unixsock_reply_asciiz("200 OK\n");
for (p = 0; p < process_count(); p++) {
if (unixsock_reply_printf("%d\t%d\t%s\n", p, pt[p].pid, pt[p].desc) < 0) {
unixsock_reply_reset();
unixsock_reply_asciiz("500 Error while printing reply\n");
ret = -1;
break;
}
}
if (unixsock_reply_send() < 0) {
ret = -1;
}
return ret;
}
static int ps_fifo_cmd(FILE *stream, char *response_file )
{
FILE *reply_pipe;
int p;
if (response_file==0 || *response_file==0 ) {
LOG(L_ERR, "ERROR: ps_fifo_cmd: null file\n");
return -1;
}
reply_pipe=open_reply_pipe(response_file);
if (reply_pipe==NULL) {
LOG(L_ERR, "ERROR: ps_fifo_cmd: opening reply pipe (%s) failed\n",
response_file );
return -1;
}
fputs( "200 ok\n", reply_pipe);
for (p=0; p<process_count();p++)
fprintf( reply_pipe, "%d\t%d\t%s\n",
p, pt[p].pid, pt[p].desc );
fclose(reply_pipe);
return 1;
}
int print_stats( FILE *f )
{
unsigned long total, current, waiting, total_local;
int i;
int pno;
pno=process_count();
for(i=0, total=0, waiting=0, total_local=0; i<pno;i++) {
total+=tm_stats->s_transactions[i];
waiting+=tm_stats->s_waiting[i];
total_local+=tm_stats->s_client_transactions[i];
}
current=total-tm_stats->deleted;
waiting-=tm_stats->deleted;
fprintf(f, "Current: %lu (%lu waiting) "
"Total: %lu (%lu local) " CLEANUP_EOL,
current, waiting, total, total_local);
fprintf(f, "Replied localy: %lu" CLEANUP_EOL ,
tm_stats->replied_localy );
fprintf(f, "Completion status 6xx: %lu,",
tm_stats->completed_6xx );
fprintf(f, " 5xx: %lu,",
tm_stats->completed_5xx );
fprintf(f, " 4xx: %lu,",
tm_stats->completed_4xx );
fprintf(f, " 3xx: %lu,",
tm_stats->completed_3xx );
fprintf(f, "2xx: %lu" CLEANUP_EOL ,
tm_stats->completed_2xx );
return 1;
}
/* main loop */
int main_loop()
{
int i;
pid_t pid;
struct socket_info* si;
#ifdef USE_TCP
int sockfd[2];
#endif
/* one "main" process and n children handling i/o */
is_main=0;
if (dont_fork){
#ifdef STATS
setstats( 0 );
#endif
if (udp_listen==0){
LOG(L_ERR, "ERROR: no fork mode requires at least one"
" udp listen address, exiting...\n");
goto error;
}
/* only one address, we ignore all the others */
if (udp_init(udp_listen)==-1) goto error;
bind_address=udp_listen;
sendipv4=bind_address;
sendipv6=bind_address; /*FIXME*/
if (udp_listen->next){
LOG(L_WARN, "WARNING: using only the first listen address"
" (no fork)\n");
}
/* initialize fifo server -- we need to open the fifo before
* do_suid() and start the fifo server after all the socket
* are initialized, to inherit them*/
if (init_fifo_server()<0) {
LOG(L_ERR, "initializing fifo server failed\n");
goto error;
}
/* Initialize Unix domain socket server */
if (init_unixsock_socket()<0) {
LOG(L_ERR, "Error while creating unix domain sockets\n");
goto error;
}
if (do_suid()==-1) goto error; /* try to drop privileges */
/* process_no now initialized to zero -- increase from now on
as new processes are forked (while skipping 0 reserved for main
*/
/* we need another process to act as the timer*/
#ifdef USE_TCP
/* if we are using tcp we always need a timer process,
* we cannot count on select timeout to measure time
* (it works only on linux)
*/
if ((!tcp_disable)||(timer_list))
#else
if (timer_list)
#endif
{
process_no++;
if ((pid=fork())<0){
LOG(L_CRIT, "ERROR: main_loop: Cannot fork\n");
goto error;
}
if (pid==0){
/* child */
/* timer!*/
/* process_bit = 0; */
if (init_child(PROC_TIMER) < 0) {
LOG(L_ERR, "timer: init_child failed\n");
goto error;
}
for(;;){
sleep(TIMER_TICK);
timer_ticker();
}
}else{
pt[process_no].pid=pid; /*should be shared mem anyway*/
strncpy(pt[process_no].desc, "timer", MAX_PT_DESC );
}
}
/* if configured, start a server for accepting FIFO commands,
* we need to do it after all the sockets are initialized, to
* inherit them*/
if (start_fifo_server()<0) {
LOG(L_ERR, "starting fifo server failed\n");
goto error;
}
if (init_unixsock_children()<0) {
LOG(L_ERR, "Error while initializing Unix domain socket server\n");
goto error;
}
/* main process, receive loop */
process_no=0; /*main process number*/
pt[process_no].pid=getpid();
snprintf(pt[process_no].desc, MAX_PT_DESC,
"stand-alone receiver @ %s:%s",
bind_address->name.s, bind_address->port_no_str.s );
/* We will call child_init even if we
* do not fork - and it will be called with rank 1 because
* in fact we behave like a child, not like main process
*/
if (init_child(1) < 0) {
LOG(L_ERR, "main_dontfork: init_child failed\n");
goto error;
}
is_main=1; /* hack 42: call init_child with is_main=0 in case
some modules wants to fork a child */
return udp_rcv_loop();
}else{
/* process_no now initialized to zero -- increase from now on
as new processes are forked (while skipping 0 reserved for main )
*/
for(si=udp_listen;si;si=si->next){
/* create the listening socket (for each address)*/
/* udp */
if (udp_init(si)==-1) goto error;
/* get first ipv4/ipv6 socket*/
if ((si->address.af==AF_INET)&&
((sendipv4==0)||(sendipv4->flags&SI_IS_LO)))
sendipv4=si;
#ifdef USE_IPV6
if((sendipv6==0)&&(si->address.af==AF_INET6))
sendipv6=si;
#endif
}
#ifdef USE_TCP
if (!tcp_disable){
for(si=tcp_listen; si; si=si->next){
/* same thing for tcp */
if (tcp_init(si)==-1) goto error;
/* get first ipv4/ipv6 socket*/
if ((si->address.af==AF_INET)&&
((sendipv4_tcp==0)||(sendipv4_tcp->flags&SI_IS_LO)))
sendipv4_tcp=si;
#ifdef USE_IPV6
if((sendipv6_tcp==0)&&(si->address.af==AF_INET6))
sendipv6_tcp=si;
#endif
}
}
#ifdef USE_TLS
if (!tls_disable){
for(si=tls_listen; si; si=si->next){
/* same as for tcp*/
if (tls_init(si)==-1) goto error;
/* get first ipv4/ipv6 socket*/
if ((si->address.af==AF_INET)&&
((sendipv4_tls==0)||(sendipv4_tls->flags&SI_IS_LO)))
sendipv4_tls=si;
#ifdef USE_IPV6
if((sendipv6_tls==0)&&(si->address.af==AF_INET6))
sendipv6_tls=si;
#endif
}
}
#endif /* USE_TLS */
#endif /* USE_TCP */
/* initialize fifo server -- we need to open the fifo before
* do_suid() and start the fifo server after all the socket
* are initialized, to inherit them*/
if (init_fifo_server()<0) {
LOG(L_ERR, "initializing fifo server failed\n");
goto error;
}
/* Initialize Unix domain socket server */
/* Create the unix domain sockets */
if (init_unixsock_socket()<0) {
LOG(L_ERR, "ERROR: Could not create unix domain sockets\n");
goto error;
}
/* all processes should have access to all the sockets (for sending)
* so we open all first*/
if (do_suid()==-1) goto error; /* try to drop privileges */
/* if configured, start a server for accepting FIFO commands,
* we need to do it after all the sockets are initialized, to
* inherit them*/
if (start_fifo_server()<0) {
LOG(L_ERR, "starting fifo server failed\n");
goto error;
}
/* Spawn children listening on unix domain socket if and only if
* the unix domain socket server has not been disabled (i == 0)
*/
if (init_unixsock_children()<0) {
LOG(L_ERR, "ERROR: Could not initialize unix domain socket server\n");
goto error;
}
/* udp processes */
for(si=udp_listen; si; si=si->next){
for(i=0;i<children_no;i++){
process_no++;
#ifdef USE_TCP
if(!tcp_disable){
if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfd)<0){
LOG(L_ERR, "ERROR: main_loop: socketpair failed: %s\n",
strerror(errno));
goto error;
}
}
#endif
if ((pid=fork())<0){
LOG(L_CRIT, "main_loop: Cannot fork\n");
goto error;
}else if (pid==0){
/* child */
#ifdef USE_TCP
if (!tcp_disable){
close(sockfd[0]);
unix_tcp_sock=sockfd[1];
}
#endif
bind_address=si; /* shortcut */
if (init_child(i + 1) < 0) {
LOG(L_ERR, "init_child failed\n");
goto error;
}
#ifdef STATS
setstats( i+r*children_no );
#endif
return udp_rcv_loop();
}else{
pt[process_no].pid=pid; /*should be in shared mem.*/
snprintf(pt[process_no].desc, MAX_PT_DESC,
"receiver child=%d sock= %s:%s", i,
si->name.s, si->port_no_str.s );
#ifdef USE_TCP
if (!tcp_disable){
close(sockfd[1]);
pt[process_no].unix_sock=sockfd[0];
pt[process_no].idx=-1; /* this is not a "tcp"
process*/
}
#endif
}
}
/*parent*/
/*close(udp_sock)*/; /*if it's closed=>sendto invalid fd errors?*/
}
}
/*this is the main process*/
bind_address=0; /* main proc -> it shouldn't send anything, */
#ifdef USE_TCP
/* if we are using tcp we always need the timer */
if ((!tcp_disable)||(timer_list))
#else
if (timer_list)
#endif
{
#ifdef USE_TCP
if (!tcp_disable){
if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfd)<0){
LOG(L_ERR, "ERROR: main_loop: socketpair failed: %s\n",
strerror(errno));
goto error;
}
}
#endif
/* fork again for the attendant process*/
process_no++;
if ((pid=fork())<0){
LOG(L_CRIT, "main_loop: cannot fork timer process\n");
goto error;
}else if (pid==0){
/* child */
/* is_main=0; */
#ifdef USE_TCP
if (!tcp_disable){
close(sockfd[0]);
unix_tcp_sock=sockfd[1];
}
#endif
if (init_child(PROC_TIMER) < 0) {
LOG(L_ERR, "timer: init_child failed\n");
goto error;
}
for(;;){
/* debug: instead of doing something useful */
/* (placeholder for timers, etc.) */
sleep(TIMER_TICK);
/* if we received a signal => TIMER_TICK may have not elapsed*/
timer_ticker();
}
}else{
pt[process_no].pid=pid;
strncpy(pt[process_no].desc, "timer", MAX_PT_DESC );
#ifdef USE_TCP
if(!tcp_disable){
close(sockfd[1]);
pt[process_no].unix_sock=sockfd[0];
pt[process_no].idx=-1; /* this is not a "tcp" process*/
}
#endif
}
}
#ifdef USE_TCP
if (!tcp_disable){
/* start tcp & tls receivers */
if (tcp_init_children()<0) goto error;
/* start tcp+tls master proc */
process_no++;
if ((pid=fork())<0){
LOG(L_CRIT, "main_loop: cannot fork tcp main process\n");
goto error;
}else if (pid==0){
/* child */
/* is_main=0; */
if (init_child(PROC_TCP_MAIN) < 0) {
LOG(L_ERR, "tcp_main: error in init_child\n");
goto error;
}
tcp_main_loop();
}else{
pt[process_no].pid=pid;
strncpy(pt[process_no].desc, "tcp main process", MAX_PT_DESC );
pt[process_no].unix_sock=-1;
pt[process_no].idx=-1; /* this is not a "tcp" process*/
unix_tcp_sock=-1;
}
}
#endif
/* main */
pt[0].pid=getpid();
strncpy(pt[0].desc, "attendant", MAX_PT_DESC );
#ifdef USE_TCP
if(!tcp_disable){
pt[process_no].unix_sock=-1;
pt[process_no].idx=-1; /* this is not a "tcp" process*/
unix_tcp_sock=-1;
}
#endif
/*DEBUG- remove it*/
#ifdef DEBUG
fprintf(stderr, "\n% 3d processes (%3d), % 3d children * "
"listening addresses + tcp listeners + tls listeners"
"+ main + fifo %s\n", process_no+1, process_count(), children_no,
(timer_list)?"+ timer":"");
for (r=0; r<=process_no; r++){
fprintf(stderr, "% 3d % 5d - %s\n", r, pt[r].pid, pt[r].desc);
}
#endif
process_no=0;
/* process_bit = 0; */
is_main=1;
if (init_child(PROC_MAIN) < 0) {
LOG(L_ERR, "main: error in init_child\n");
goto error;
}
for(;;){
pause();
handle_sigs();
}
/*return 0; */
error:
is_main=1; /* if we are here, we are the "main process",
any forked children should exit with exit(-1) and not
ever use return */
return -1;
}
int main(int argc, char** argv)
{
FILE* cfg_stream;
int c,r;
char *tmp;
int tmp_len;
int port;
int proto;
char *options;
int ret;
unsigned int seed;
int rfd;
/*init*/
ret=-1;
my_argc=argc; my_argv=argv;
/*init pkg mallocs (before parsing cfg or cmd line !)*/
if (init_pkg_mallocs()==-1)
goto error;
#ifdef DBG_MSG_QA
fprintf(stderr, "WARNING: ser startup: "
"DBG_MSG_QA enabled, ser may exit abruptly\n");
#endif
/* process command line (get port no, cfg. file path etc) */
opterr=0;
options=
#ifdef STATS
"s:"
#endif
"f:cm:b:l:n:N:rRvdDETVhw:t:u:g:P:G:i:x:";
while((c=getopt(argc,argv,options))!=-1){
switch(c){
case 'f':
cfg_file=optarg;
break;
case 'c':
config_check=1;
log_stderr=1; /* force stderr logging */
break;
case 's':
#ifdef STATS
stat_file=optarg;
#endif
break;
case 'm':
shm_mem_size=strtol(optarg, &tmp, 10) * 1024 * 1024;
if (tmp &&(*tmp)){
fprintf(stderr, "bad shmem size number: -m %s\n",
optarg);
goto error;
};
LOG(L_INFO, "ser: shared memory: %ld bytes\n",
shm_mem_size );
break;
case 'b':
maxbuffer=strtol(optarg, &tmp, 10);
if (tmp &&(*tmp)){
fprintf(stderr, "bad max buffer size number: -p %s\n",
optarg);
goto error;
}
break;
case 'l':
if (parse_phostport(optarg, &tmp, &tmp_len,
&port, &proto)<0){
fprintf(stderr, "bad -l address specifier: %s\n",
optarg);
goto error;
}
tmp[tmp_len]=0; /* null terminate the host */
/* add a new addr. to our address list */
if (add_listen_iface(tmp, port, proto, 0)!=0){
fprintf(stderr, "failed to add new listen address\n");
goto error;
}
break;
case 'n':
children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
fprintf(stderr, "bad process number: -n %s\n",
optarg);
goto error;
}
break;
case 'v':
check_via=1;
break;
case 'r':
received_dns|=DO_DNS;
break;
case 'R':
received_dns|=DO_REV_DNS;
case 'd':
debug++;
break;
case 'D':
dont_fork=1;
break;
case 'E':
log_stderr=1;
break;
case 'T':
#ifdef USE_TCP
tcp_disable=1;
#else
fprintf(stderr,"WARNING: tcp support not compiled in\n");
#endif
break;
case 'N':
#ifdef USE_TCP
tcp_children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
fprintf(stderr, "bad process number: -N %s\n",
optarg);
goto error;
}
#else
fprintf(stderr,"WARNING: tcp support not compiled in\n");
#endif
break;
case 'V':
printf("version: %s\n", version);
printf("flags: %s\n", flags );
print_ct_constants();
printf("%s\n",id);
printf("%s compiled on %s with %s\n", __FILE__,
compiled, COMPILER );
exit(0);
break;
case 'h':
printf("version: %s\n", version);
printf("%s",help_msg);
exit(0);
break;
case 'w':
working_dir=optarg;
break;
case 't':
chroot_dir=optarg;
break;
case 'u':
user=optarg;
break;
case 'g':
group=optarg;
break;
case 'P':
pid_file=optarg;
break;
case 'G':
pgid_file=optarg;
break;
case 'i':
fifo=optarg;
break;
case 'x':
unixsock_name=optarg;
break;
case '?':
if (isprint(optopt))
fprintf(stderr, "Unknown option `-%c´.\n", optopt);
else
fprintf(stderr,
"Unknown option character `\\x%x´.\n",
optopt);
goto error;
case ':':
fprintf(stderr,
"Option `-%c´ requires an argument.\n",
optopt);
goto error;
default:
abort();
}
}
/* fill missing arguments with the default values*/
if (cfg_file==0) cfg_file=CFG_FILE;
/* load config file or die */
cfg_stream=fopen (cfg_file, "r");
if (cfg_stream==0){
fprintf(stderr, "ERROR: loading config file(%s): %s\n", cfg_file,
strerror(errno));
goto error;
}
/* seed the prng */
/* try to use /dev/urandom if possible */
seed=0;
if ((rfd=open("/dev/urandom", O_RDONLY))!=-1){
try_again:
if (read(rfd, (void*)&seed, sizeof(seed))==-1){
if (errno==EINTR) goto try_again; /* interrupted by signal */
LOG(L_WARN, "WARNING: could not read from /dev/urandom (%d)\n",
errno);
}
DBG("read %u from /dev/urandom\n", seed);
close(rfd);
}else{
LOG(L_WARN, "WARNING: could not open /dev/urandom (%d)\n", errno);
}
seed+=getpid()+time(0);
DBG("seeding PRNG with %u\n", seed);
srand(seed);
DBG("test random number %u\n", rand());
/* register a diagnostic FIFO command - moved to fifo server - bogdan
if (register_core_fifo()<0) {
LOG(L_CRIT, "unable to register core FIFO commands\n");
goto error;
}*/
/*register builtin modules*/
register_builtin_modules();
yyin=cfg_stream;
if ((yyparse()!=0)||(cfg_errors)){
fprintf(stderr, "ERROR: bad config file (%d errors)\n", cfg_errors);
goto error;
}
print_rl();
/* fix parameters */
if (port_no<=0) port_no=SIP_PORT;
#ifdef USE_TLS
if (tls_port_no<=0) tls_port_no=SIPS_PORT;
#endif
if (children_no<=0) children_no=CHILD_NO;
#ifdef USE_TCP
if (!tcp_disable){
if (tcp_children_no<=0) tcp_children_no=children_no;
}
#endif
if (working_dir==0) working_dir="/";
/* get uid/gid */
if (user){
if (user2uid(&uid, &gid, user)<0){
fprintf(stderr, "bad user name/uid number: -u %s\n", user);
goto error;
}
}
if (group){
if (group2gid(&gid, group)<0){
fprintf(stderr, "bad group name/gid number: -u %s\n", group);
goto error;
}
}
/* fix sock/fifo uid/gid */
if (sock_user){
if (user2uid(&sock_uid, 0, sock_user)<0){
fprintf(stderr, "bad socket user name/uid number %s\n", user);
goto error;
}
}
if (sock_group){
if (group2gid(&sock_gid, sock_group)<0){
fprintf(stderr, "bad group name/gid number: -u %s\n", group);
goto error;
}
}
if (fix_all_socket_lists()!=0){
fprintf(stderr, "failed to initialize list addresses\n");
goto error;
}
/* print all the listen addresses */
printf("Listening on \n");
print_all_socket_lists();
printf("Aliases: \n");
/*print_aliases();*/
print_aliases();
printf("\n");
if (dont_fork){
fprintf(stderr, "WARNING: no fork mode %s\n",
(udp_listen)?(
(udp_listen->next)?" and more than one listen address found"
"(will use only the the first one)":""
):"and no udp listen address found" );
}
if (config_check){
fprintf(stderr, "config file ok, exiting...\n");
goto error;
}
/*init shm mallocs
* this must be here
* -to allow setting shm mem size from the command line
* => if shm_mem should be settable from the cfg file move
* everything after
* -it must be also before init_timer and init_tcp
* -it must be after we know uid (so that in the SYSV sems case,
* the sems will have the correct euid)
* --andrei */
if (init_shm_mallocs()==-1)
goto error;
/*init timer, before parsing the cfg!*/
if (init_timer()<0){
LOG(L_CRIT, "could not initialize timer, exiting...\n");
goto error;
}
#ifdef USE_TCP
if (!tcp_disable){
/*init tcp*/
if (init_tcp()<0){
LOG(L_CRIT, "could not initialize tcp, exiting...\n");
goto error;
}
}
#ifdef USE_TLS
if (!tls_disable){
/* init tls*/
if (init_tls()<0){
LOG(L_CRIT, "could not initialize tls, exiting...\n");
goto error;
}
}
#endif /* USE_TLS */
#endif /* USE_TCP */
/* init_daemon? */
if (!dont_fork){
if ( daemonize(argv[0]) <0 ) goto error;
}
if (install_sigs() != 0){
fprintf(stderr, "ERROR: could not install the signal handlers\n");
goto error;
}
/*alloc pids*/
#ifdef SHM_MEM
pt=shm_malloc(sizeof(struct process_table)*process_count());
#else
pt=pkg_malloc(sizeof(struct process_table)*process_count());
#endif
if (pt==0){
fprintf(stderr, "ERROR: out of memory\n");
goto error;
}
memset(pt, 0, sizeof(struct process_table)*process_count());
if (disable_core_dump) set_core_dump(0, 0);
else set_core_dump(1, shm_mem_size+PKG_MEM_POOL_SIZE+4*1024*1024);
if (open_files_limit>0){
if(increase_open_fds(open_files_limit)<0){
fprintf(stderr, "ERROR: error could not increase file limits\n");
goto error;
}
}
if (init_modules() != 0) {
fprintf(stderr, "ERROR: error while initializing modules\n");
goto error;
}
/* fix routing lists */
if ( (r=fix_rls())!=0){
fprintf(stderr, "ERROR: error %d while trying to fix configuration\n",
r);
goto error;
};
#ifdef STATS
if (init_stats( dont_fork ? 1 : children_no )==-1) goto error;
#endif
ret=main_loop();
/*kill everything*/
kill_all_children(SIGTERM);
/*clean-up*/
cleanup(0);
return ret;
error:
/*kill everything*/
kill_all_children(SIGTERM);
/*clean-up*/
cleanup(0);
return -1;
}
