/* static void comm_connect_tryconnect(int fd, void *notused)
* Input: The fd, the handler data(unused).
* Output: None.
* Side-effects: Try and connect with pending connect data for the FD. If
* we succeed or get a fatal error, call the callback.
* Otherwise, it is still blocking or something, so register
* to select for a write event on this FD.
*/
static void
comm_connect_tryconnect(int fd, void *notused)
{
int retval;
fde_t *F = &fd_table[fd];
if(F->connect.callback == NULL)
return;
/* Try the connect() */
retval = connect(fd,
(struct sockaddr *) &fd_table[fd].connect.hostaddr,
GET_SS_LEN(fd_table[fd].connect.hostaddr));
/* Error? */
if(retval < 0)
{
/*
* If we get EISCONN, then we've already connect()ed the socket,
* which is a good thing.
* -- adrian
*/
if(errno == EISCONN)
comm_connect_callback(F->fd, COMM_OK);
else if(ignoreErrno(errno))
/* Ignore error? Reschedule */
comm_setselect(F->fd, FDLIST_SERVER, COMM_SELECT_WRITE|COMM_SELECT_RETRY,
comm_connect_tryconnect, NULL, 0);
else
/* Error? Fail with COMM_ERR_CONNECT */
comm_connect_callback(F->fd, COMM_ERR_CONNECT);
return;
}
/* If we get here, we've suceeded, so call with COMM_OK */
comm_connect_callback(F->fd, COMM_OK);
}
static int
inetport(struct Listener *listener)
{
rb_fde_t *F;
int ret;
int opt = 1;
/*
* At first, open a new socket
*/
F = rb_socket(GET_SS_FAMILY(&listener->addr), SOCK_STREAM, 0, "Listener socket");
#ifdef RB_IPV6
if(listener->addr.ss_family == AF_INET6)
{
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)&listener->addr;
if(!IN6_ARE_ADDR_EQUAL(&in6->sin6_addr, &in6addr_any))
{
rb_inet_ntop(AF_INET6, &in6->sin6_addr, listener->vhost, sizeof(listener->vhost));
listener->name = listener->vhost;
}
} else
#endif
{
struct sockaddr_in *in = (struct sockaddr_in *)&listener->addr;
if(in->sin_addr.s_addr != INADDR_ANY)
{
rb_inet_ntop(AF_INET, &in->sin_addr, listener->vhost, sizeof(listener->vhost));
listener->name = listener->vhost;
}
}
if(F == NULL)
{
ilog_error("opening listener socket");
return 0;
}
else if((maxconnections - 10) < rb_get_fd(F)) /* XXX this is kinda bogus*/
{
ilog_error("no more connections left for listener");
rb_close(F);
return 0;
}
/*
* XXX - we don't want to do all this crap for a listener
* set_sock_opts(listener);
*/
if(setsockopt(rb_get_fd(F), SOL_SOCKET, SO_REUSEADDR, (char *) &opt, sizeof(opt)))
{
ilog_error("setting SO_REUSEADDR for listener");
rb_close(F);
return 0;
}
/*
* Bind a port to listen for new connections if port is non-null,
* else assume it is already open and try get something from it.
*/
if(bind(rb_get_fd(F), (struct sockaddr *) &listener->addr, GET_SS_LEN(&listener->addr)))
{
ilog_error("binding listener socket");
rb_close(F);
return 0;
}
if((ret = rb_listen(F, RATBOX_SOMAXCONN)))
{
ilog_error("listen()");
rb_close(F);
return 0;
}
listener->F = F;
rb_accept_tcp(listener->F, accept_precallback, accept_callback, listener);
return 1;
}
static int
inetport(struct Listener *listener)
{
rb_fde_t *F;
int opt = 1;
const char *errstr;
/*
* At first, open a new socket
*/
F = rb_socket(GET_SS_FAMILY(&listener->addr), SOCK_STREAM, 0, "Listener socket");
#ifdef RB_IPV6
if(listener->addr.ss_family == AF_INET6)
{
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)&listener->addr;
if(!IN6_ARE_ADDR_EQUAL(&in6->sin6_addr, &in6addr_any))
{
rb_inet_ntop(AF_INET6, &in6->sin6_addr, listener->vhost, sizeof(listener->vhost));
listener->name = listener->vhost;
}
} else
#endif
{
struct sockaddr_in *in = (struct sockaddr_in *)&listener->addr;
if(in->sin_addr.s_addr != INADDR_ANY)
{
rb_inet_ntop(AF_INET, &in->sin_addr, listener->vhost, sizeof(listener->vhost));
listener->name = listener->vhost;
}
}
if(F == NULL)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Cannot open socket for listener on port %d",
get_listener_port(listener));
ilog(L_MAIN, "Cannot open socket for listener %s",
get_listener_name(listener));
return 0;
}
else if((maxconnections - 10) < rb_get_fd(F)) /* XXX this is kinda bogus*/
{
ilog_error("no more connections left for listener");
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"No more connections left for listener on port %d",
get_listener_port(listener));
ilog(L_MAIN, "No more connections left for listener %s",
get_listener_name(listener));
rb_close(F);
return 0;
}
/*
* XXX - we don't want to do all this crap for a listener
* set_sock_opts(listener);
*/
if(setsockopt(rb_get_fd(F), SOL_SOCKET, SO_REUSEADDR, (char *) &opt, sizeof(opt)))
{
errstr = strerror(rb_get_sockerr(F));
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Cannot set SO_REUSEADDR for listener on port %d: %s",
get_listener_port(listener), errstr);
ilog(L_MAIN, "Cannot set SO_REUSEADDR for listener %s: %s",
get_listener_name(listener), errstr);
rb_close(F);
return 0;
}
/*
* Bind a port to listen for new connections if port is non-null,
* else assume it is already open and try get something from it.
*/
if(bind(rb_get_fd(F), (struct sockaddr *) &listener->addr, GET_SS_LEN(&listener->addr)))
{
errstr = strerror(rb_get_sockerr(F));
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Cannot bind for listener on port %d: %s",
get_listener_port(listener), errstr);
ilog(L_MAIN, "Cannot bind for listener %s: %s",
get_listener_name(listener), errstr);
rb_close(F);
return 0;
}
if(rb_listen(F, CHARYBDIS_SOMAXCONN, listener->defer_accept))
{
errstr = strerror(rb_get_sockerr(F));
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Cannot listen() for listener on port %d: %s",
get_listener_port(listener), errstr);
ilog(L_MAIN, "Cannot listen() for listener %s: %s",
get_listener_name(listener), errstr);
rb_close(F);
return 0;
}
listener->F = F;
rb_accept_tcp(listener->F, accept_precallback, accept_callback, listener);
return 1;
}
static int
inetport(struct Listener *listener)
{
int fd;
int opt = 1;
/*
* At first, open a new socket
*/
fd = comm_socket(listener->addr.ss_family, SOCK_STREAM, 0, "Listener socket");
#ifdef IPV6
if(listener->addr.ss_family == AF_INET6)
{
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) &listener->addr;
if(!IN6_ARE_ADDR_EQUAL(&in6->sin6_addr, &in6addr_any))
{
inetntop(AF_INET6, &in6->sin6_addr, listener->vhost,
sizeof(listener->vhost));
listener->name = listener->vhost;
}
}
else
#endif
{
struct sockaddr_in *in = (struct sockaddr_in *) &listener->addr;
if(in->sin_addr.s_addr != INADDR_ANY)
{
inetntop(AF_INET, &in->sin_addr, listener->vhost, sizeof(listener->vhost));
listener->name = listener->vhost;
}
}
if(fd == -1)
{
report_error("opening listener socket %s:%s",
get_listener_name(listener), get_listener_name(listener), errno);
return 0;
}
else if((maxconnections - 10) < fd)
{
report_error("no more connections left for listener %s:%s",
get_listener_name(listener), get_listener_name(listener), errno);
comm_close(fd);
return 0;
}
/*
* XXX - we don't want to do all this crap for a listener
* set_sock_opts(listener);
*/
if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &opt, sizeof(opt)))
{
report_error("setting SO_REUSEADDR for listener %s:%s",
get_listener_name(listener), get_listener_name(listener), errno);
comm_close(fd);
return 0;
}
/*
* Bind a port to listen for new connections if port is non-null,
* else assume it is already open and try get something from it.
*/
if(bind(fd, (struct sockaddr *) &listener->addr, GET_SS_LEN(listener->addr)))
{
report_error("binding listener socket %s:%s",
get_listener_name(listener), get_listener_name(listener), errno);
comm_close(fd);
return 0;
}
if(listen(fd, RATBOX_SOMAXCONN))
{
report_error("listen failed for %s:%s",
get_listener_name(listener), get_listener_name(listener), errno);
comm_close(fd);
return 0;
}
listener->fd = fd;
/* Listen completion events are READ events .. */
accept_connection(fd, listener);
return 1;
}
