static void nn_cipc_start_connecting (struct nn_cipc *self)
{
int rc;
struct sockaddr_storage ss;
struct sockaddr_un *un;
const char *addr;
int val;
size_t sz;
/* Try to start the underlying socket. */
rc = nn_usock_start (&self->usock, AF_UNIX, SOCK_STREAM, 0);
if (nn_slow (rc < 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CIPC_STATE_WAITING;
return;
}
/* Set the relevant socket options. */
sz = sizeof (val);
nn_ep_getopt (self->ep, NN_SOL_SOCKET, NN_SNDBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_SNDBUF,
&val, sizeof (val));
sz = sizeof (val);
nn_ep_getopt (self->ep, NN_SOL_SOCKET, NN_RCVBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_RCVBUF,
&val, sizeof (val));
/* Create the IPC address from the address string. */
addr = nn_ep_getaddr (self->ep);
memset (&ss, 0, sizeof (ss));
un = (struct sockaddr_un*) &ss;
nn_assert (strlen (addr) < sizeof (un->sun_path));
ss.ss_family = AF_UNIX;
strncpy (un->sun_path, addr, sizeof (un->sun_path));
#if defined NN_HAVE_WINDOWS
/* Get/Set security attribute pointer*/
nn_ep_getopt (self->ep, NN_IPC, NN_IPC_SEC_ATTR, &self->usock.sec_attr, &sz);
nn_ep_getopt (self->ep, NN_IPC, NN_IPC_OUTBUFSZ, &self->usock.outbuffersz, &sz);
nn_ep_getopt (self->ep, NN_IPC, NN_IPC_INBUFSZ, &self->usock.inbuffersz, &sz);
#endif
/* Start connecting. */
nn_usock_connect (&self->usock, (struct sockaddr*) &ss,
sizeof (struct sockaddr_un));
self->state = NN_CIPC_STATE_CONNECTING;
nn_ep_stat_increment (self->ep, NN_STAT_INPROGRESS_CONNECTIONS, 1);
}
static void nn_cipc_start_connecting (struct nn_cipc *self)
{
int rc;
struct sockaddr_storage ss;
struct sockaddr_un *un;
const char *addr;
int val;
size_t sz;
/* Try to start the underlying socket. */
rc = nn_usock_start (&self->usock, AF_UNIX, SOCK_STREAM, 0);
if (nn_slow (rc < 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CIPC_STATE_WAITING;
return;
}
/* Set the relevant socket options. */
sz = sizeof (val);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_SNDBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_SNDBUF,
&val, sizeof (val));
sz = sizeof (val);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_RCVBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_RCVBUF,
&val, sizeof (val));
/* Create the IPC address from the address string. */
addr = nn_epbase_getaddr (&self->epbase);
memset (&ss, 0, sizeof (ss));
un = (struct sockaddr_un*) &ss;
nn_assert (strlen (addr) < sizeof (un->sun_path));
ss.ss_family = AF_UNIX;
strncpy (un->sun_path, addr, sizeof (un->sun_path));
/* Start connecting. */
nn_usock_connect (&self->usock, (struct sockaddr*) &ss,
sizeof (struct sockaddr_un));
self->state = NN_CIPC_STATE_CONNECTING;
nn_epbase_stat_increment (&self->epbase,
NN_STAT_INPROGRESS_CONNECTIONS, 1);
}
static void nn_atcp_handler (struct nn_fsm *self, int src, int type,
NN_UNUSED void *srcptr)
{
struct nn_atcp *atcp;
int val;
size_t sz;
atcp = nn_cont (self, struct nn_atcp, fsm);
switch (atcp->state) {
/******************************************************************************/
/* IDLE state. */
/* The state machine wasn't yet started. */
/******************************************************************************/
case NN_ATCP_STATE_IDLE:
switch (src) {
case NN_FSM_ACTION:
switch (type) {
case NN_FSM_START:
nn_usock_accept (&atcp->usock, atcp->listener);
atcp->state = NN_ATCP_STATE_ACCEPTING;
return;
default:
nn_fsm_bad_action (atcp->state, src, type);
}
default:
nn_fsm_bad_source (atcp->state, src, type);
}
/******************************************************************************/
/* ACCEPTING state. */
/* Waiting for incoming connection. */
/******************************************************************************/
case NN_ATCP_STATE_ACCEPTING:
switch (src) {
case NN_ATCP_SRC_USOCK:
switch (type) {
case NN_USOCK_ACCEPTED:
nn_epbase_clear_error (atcp->epbase);
/* Set the relevant socket options. */
sz = sizeof (val);
nn_epbase_getopt (atcp->epbase, NN_SOL_SOCKET, NN_SNDBUF,
&val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&atcp->usock, SOL_SOCKET, SO_SNDBUF,
&val, sizeof (val));
sz = sizeof (val);
nn_epbase_getopt (atcp->epbase, NN_SOL_SOCKET, NN_RCVBUF,
&val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&atcp->usock, SOL_SOCKET, SO_RCVBUF,
&val, sizeof (val));
/* Return ownership of the listening socket to the parent. */
nn_usock_swap_owner (atcp->listener, &atcp->listener_owner);
atcp->listener = NULL;
atcp->listener_owner.src = -1;
atcp->listener_owner.fsm = NULL;
nn_fsm_raise (&atcp->fsm, &atcp->accepted, NN_ATCP_ACCEPTED);
/* Start the stcp state machine. */
nn_usock_activate (&atcp->usock);
nn_stcp_start (&atcp->stcp, &atcp->usock);
atcp->state = NN_ATCP_STATE_ACTIVE;
nn_epbase_stat_increment (atcp->epbase,
NN_STAT_ACCEPTED_CONNECTIONS, 1);
return;
default:
nn_fsm_bad_action (atcp->state, src, type);
}
case NN_ATCP_SRC_LISTENER:
switch (type) {
case NN_USOCK_ACCEPT_ERROR:
nn_epbase_set_error (atcp->epbase,
nn_usock_geterrno(atcp->listener));
nn_epbase_stat_increment (atcp->epbase,
NN_STAT_ACCEPT_ERRORS, 1);
nn_usock_accept (&atcp->usock, atcp->listener);
return;
default:
nn_fsm_bad_action (atcp->state, src, type);
}
default:
nn_fsm_bad_source (atcp->state, src, type);
}
/******************************************************************************/
/* ACTIVE state. */
/******************************************************************************/
case NN_ATCP_STATE_ACTIVE:
switch (src) {
case NN_ATCP_SRC_STCP:
switch (type) {
case NN_STCP_ERROR:
nn_stcp_stop (&atcp->stcp);
atcp->state = NN_ATCP_STATE_STOPPING_STCP;
nn_epbase_stat_increment (atcp->epbase,
NN_STAT_BROKEN_CONNECTIONS, 1);
return;
default:
nn_fsm_bad_action (atcp->state, src, type);
}
default:
nn_fsm_bad_source (atcp->state, src, type);
}
/******************************************************************************/
/* STOPPING_STCP state. */
/******************************************************************************/
case NN_ATCP_STATE_STOPPING_STCP:
switch (src) {
case NN_ATCP_SRC_STCP:
switch (type) {
case NN_USOCK_SHUTDOWN:
return;
case NN_STCP_STOPPED:
nn_usock_stop (&atcp->usock);
atcp->state = NN_ATCP_STATE_STOPPING_USOCK;
return;
default:
nn_fsm_bad_action (atcp->state, src, type);
}
default:
nn_fsm_bad_source (atcp->state, src, type);
}
/******************************************************************************/
/* STOPPING_USOCK state. */
/******************************************************************************/
case NN_ATCP_STATE_STOPPING_USOCK:
switch (src) {
case NN_ATCP_SRC_USOCK:
switch (type) {
case NN_USOCK_SHUTDOWN:
return;
case NN_USOCK_STOPPED:
nn_fsm_raise (&atcp->fsm, &atcp->done, NN_ATCP_ERROR);
atcp->state = NN_ATCP_STATE_DONE;
return;
default:
nn_fsm_bad_action (atcp->state, src, type);
}
default:
nn_fsm_bad_source (atcp->state, src, type);
}
/******************************************************************************/
/* Invalid state. */
/******************************************************************************/
default:
nn_fsm_bad_state (atcp->state, src, type);
}
}
static void nn_ctcp_start_connecting (struct nn_ctcp *self,
struct sockaddr_storage *ss, size_t sslen)
{
int rc;
struct sockaddr_storage remote;
size_t remotelen;
struct sockaddr_storage local;
size_t locallen;
const char *addr;
const char *end;
const char *colon;
const char *semicolon;
uint16_t port;
int ipv4only;
size_t ipv4onlylen;
int val;
size_t sz;
/* Create IP address from the address string. */
addr = nn_epbase_getaddr (&self->epbase);
memset (&remote, 0, sizeof (remote));
/* Parse the port. */
end = addr + strlen (addr);
colon = strrchr (addr, ':');
rc = nn_port_resolve (colon + 1, end - colon - 1);
errnum_assert (rc > 0, -rc);
port = rc;
/* Check whether IPv6 is to be used. */
ipv4onlylen = sizeof (ipv4only);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_IPV4ONLY,
&ipv4only, &ipv4onlylen);
nn_assert (ipv4onlylen == sizeof (ipv4only));
/* Parse the local address, if any. */
semicolon = strchr (addr, ';');
memset (&local, 0, sizeof (local));
if (semicolon)
rc = nn_iface_resolve (addr, semicolon - addr, ipv4only,
&local, &locallen);
else
rc = nn_iface_resolve ("*", 1, ipv4only, &local, &locallen);
if (nn_slow (rc < 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CTCP_STATE_WAITING;
return;
}
/* Combine the remote address and the port. */
remote = *ss;
remotelen = sslen;
if (remote.ss_family == AF_INET)
((struct sockaddr_in*) &remote)->sin_port = htons (port);
else if (remote.ss_family == AF_INET6)
((struct sockaddr_in6*) &remote)->sin6_port = htons (port);
else
nn_assert (0);
/* Try to start the underlying socket. */
rc = nn_usock_start (&self->usock, remote.ss_family, SOCK_STREAM, 0);
if (nn_slow (rc < 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CTCP_STATE_WAITING;
return;
}
/* Set the relevant socket options. */
sz = sizeof (val);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_SNDBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_SNDBUF,
&val, sizeof (val));
sz = sizeof (val);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_RCVBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_RCVBUF,
&val, sizeof (val));
/* Bind the socket to the local network interface. */
rc = nn_usock_bind (&self->usock, (struct sockaddr*) &local, locallen);
if (nn_slow (rc != 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CTCP_STATE_WAITING;
return;
}
/* Start connecting. */
nn_usock_connect (&self->usock, (struct sockaddr*) &remote, remotelen);
self->state = NN_CTCP_STATE_CONNECTING;
nn_epbase_stat_increment (&self->epbase,
NN_STAT_INPROGRESS_CONNECTIONS, 1);
}
static void nn_aws_handler (struct nn_fsm *self, int src, int type,
NN_UNUSED void *srcptr)
{
struct nn_aws *aws;
int val;
size_t sz;
aws = nn_cont (self, struct nn_aws, fsm);
nn_assert (aws);
switch (aws->state) {
/******************************************************************************/
/* IDLE state. */
/* The state machine wasn't yet started. */
/******************************************************************************/
case NN_AWS_STATE_IDLE:
switch (src) {
case NN_FSM_ACTION:
switch (type) {
case NN_FSM_START:
nn_usock_accept (&aws->usock, aws->listener);
aws->state = NN_AWS_STATE_ACCEPTING;
return;
default:
nn_fsm_bad_action (aws->state, src, type);
}
default:
nn_fsm_bad_source (aws->state, src, type);
}
/******************************************************************************/
/* ACCEPTING state. */
/* Waiting for incoming connection. */
/******************************************************************************/
case NN_AWS_STATE_ACCEPTING:
switch (src) {
case NN_AWS_SRC_USOCK:
switch (type) {
case NN_USOCK_ACCEPTED:
nn_epbase_clear_error (aws->epbase);
/* Set the relevant socket options. */
sz = sizeof (val);
nn_epbase_getopt (aws->epbase, NN_SOL_SOCKET, NN_SNDBUF,
&val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&aws->usock, SOL_SOCKET, SO_SNDBUF,
&val, sizeof (val));
sz = sizeof (val);
nn_epbase_getopt (aws->epbase, NN_SOL_SOCKET, NN_RCVBUF,
&val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&aws->usock, SOL_SOCKET, SO_RCVBUF,
&val, sizeof (val));
/* Since the WebSocket handshake must poll, the receive
timeout is set to zero. Later, it will be set again
to the value specified by the socket option. */
val = 0;
sz = sizeof (val);
nn_usock_setsockopt (&aws->usock, SOL_SOCKET, SO_RCVTIMEO,
&val, sizeof (val));
/* Return ownership of the listening socket to the parent. */
nn_usock_swap_owner (aws->listener, &aws->listener_owner);
aws->listener = NULL;
aws->listener_owner.src = -1;
aws->listener_owner.fsm = NULL;
nn_fsm_raise (&aws->fsm, &aws->accepted, NN_AWS_ACCEPTED);
/* Start the sws state machine. */
nn_usock_activate (&aws->usock);
nn_sws_start (&aws->sws, &aws->usock, NN_WS_SERVER,
NULL, NULL);
aws->state = NN_AWS_STATE_ACTIVE;
nn_epbase_stat_increment (aws->epbase,
NN_STAT_ACCEPTED_CONNECTIONS, 1);
return;
default:
nn_fsm_bad_action (aws->state, src, type);
}
case NN_AWS_SRC_LISTENER:
switch (type) {
case NN_USOCK_ACCEPT_ERROR:
nn_epbase_set_error (aws->epbase,
nn_usock_geterrno (aws->listener));
nn_epbase_stat_increment (aws->epbase,
NN_STAT_ACCEPT_ERRORS, 1);
nn_usock_accept (&aws->usock, aws->listener);
return;
default:
nn_fsm_bad_action (aws->state, src, type);
}
default:
nn_fsm_bad_source (aws->state, src, type);
}
/******************************************************************************/
/* ACTIVE state. */
/******************************************************************************/
case NN_AWS_STATE_ACTIVE:
switch (src) {
case NN_AWS_SRC_SWS:
switch (type) {
case NN_SWS_RETURN_CLOSE_HANDSHAKE:
/* Peer closed connection without intention to reconnect, or
local endpoint failed remote because of invalid data. */
nn_sws_stop (&aws->sws);
aws->state = NN_AWS_STATE_STOPPING_SWS;
return;
case NN_SWS_RETURN_ERROR:
nn_sws_stop (&aws->sws);
aws->state = NN_AWS_STATE_STOPPING_SWS;
nn_epbase_stat_increment (aws->epbase,
NN_STAT_BROKEN_CONNECTIONS, 1);
return;
default:
nn_fsm_bad_action (aws->state, src, type);
}
default:
nn_fsm_bad_source (aws->state, src, type);
}
/******************************************************************************/
/* STOPPING_SWS state. */
/******************************************************************************/
case NN_AWS_STATE_STOPPING_SWS:
switch (src) {
case NN_AWS_SRC_SWS:
switch (type) {
case NN_USOCK_SHUTDOWN:
return;
case NN_SWS_RETURN_STOPPED:
nn_usock_stop (&aws->usock);
aws->state = NN_AWS_STATE_STOPPING_USOCK;
return;
default:
nn_fsm_bad_action (aws->state, src, type);
}
default:
nn_fsm_bad_source (aws->state, src, type);
}
/******************************************************************************/
/* STOPPING_USOCK state. */
/******************************************************************************/
case NN_AWS_STATE_STOPPING_USOCK:
switch (src) {
case NN_AWS_SRC_USOCK:
switch (type) {
case NN_USOCK_SHUTDOWN:
return;
case NN_USOCK_STOPPED:
nn_aws_stop (aws);
return;
default:
nn_fsm_bad_action (aws->state, src, type);
}
default:
nn_fsm_bad_source (aws->state, src, type);
}
/******************************************************************************/
/* Invalid state. */
/******************************************************************************/
default:
nn_fsm_bad_state (aws->state, src, type);
}
}
static void nn_cws_start_connecting (struct nn_cws *self,
struct sockaddr_storage *ss, size_t sslen)
{
int rc;
struct sockaddr_storage remote;
size_t remotelen;
struct sockaddr_storage local;
size_t locallen;
int ipv4only;
size_t ipv4onlylen;
int val;
size_t sz;
memset (&remote, 0, sizeof (remote));
memset (&local, 0, sizeof (local));
/* Check whether IPv6 is to be used. */
ipv4onlylen = sizeof (ipv4only);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_IPV4ONLY,
&ipv4only, &ipv4onlylen);
nn_assert (ipv4onlylen == sizeof (ipv4only));
rc = nn_iface_resolve (nn_chunkref_data (&self->nic),
nn_chunkref_size (&self->nic), ipv4only, &local, &locallen);
if (nn_slow (rc < 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CWS_STATE_WAITING;
return;
}
/* Combine the remote address and the port. */
remote = *ss;
remotelen = sslen;
if (remote.ss_family == AF_INET)
((struct sockaddr_in*) &remote)->sin_port = htons (self->remote_port);
else if (remote.ss_family == AF_INET6)
((struct sockaddr_in6*) &remote)->sin6_port = htons (self->remote_port);
else
nn_assert (0);
/* Try to start the underlying socket. */
rc = nn_usock_start (&self->usock, remote.ss_family, SOCK_STREAM, 0);
if (nn_slow (rc < 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CWS_STATE_WAITING;
return;
}
/* Set the relevant socket options. */
sz = sizeof (val);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_SNDBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_SNDBUF,
&val, sizeof (val));
sz = sizeof (val);
nn_epbase_getopt (&self->epbase, NN_SOL_SOCKET, NN_RCVBUF, &val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&self->usock, SOL_SOCKET, SO_RCVBUF,
&val, sizeof (val));
/* Bind the socket to the local network interface. */
rc = nn_usock_bind (&self->usock, (struct sockaddr*) &local, locallen);
if (nn_slow (rc != 0)) {
nn_backoff_start (&self->retry);
self->state = NN_CWS_STATE_WAITING;
return;
}
/* Start connecting. */
nn_usock_connect (&self->usock, (struct sockaddr*) &remote, remotelen);
self->state = NN_CWS_STATE_CONNECTING;
nn_epbase_stat_increment (&self->epbase,
NN_STAT_INPROGRESS_CONNECTIONS, 1);
}
static void nn_aipc_handler (struct nn_fsm *self, int src, int type,
void *srcptr)
{
struct nn_aipc *aipc;
int val;
size_t sz;
aipc = nn_cont (self, struct nn_aipc, fsm);
switch (aipc->state) {
/******************************************************************************/
/* IDLE state. */
/* The state machine wasn't yet started. */
/******************************************************************************/
case NN_AIPC_STATE_IDLE:
switch (src) {
case NN_FSM_ACTION:
switch (type) {
case NN_FSM_START:
nn_usock_accept (&aipc->usock, aipc->listener);
aipc->state = NN_AIPC_STATE_ACCEPTING;
return;
default:
nn_fsm_bad_action (aipc->state, src, type);
}
default:
nn_fsm_bad_source (aipc->state, src, type);
}
/******************************************************************************/
/* ACCEPTING state. */
/* Waiting for incoming connection. */
/******************************************************************************/
case NN_AIPC_STATE_ACCEPTING:
switch (src) {
case NN_AIPC_SRC_USOCK:
switch (type) {
case NN_USOCK_ACCEPTED:
/* Set the relevant socket options. */
sz = sizeof (val);
nn_epbase_getopt (aipc->epbase, NN_SOL_SOCKET, NN_SNDBUF,
&val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&aipc->usock, SOL_SOCKET, SO_SNDBUF,
&val, sizeof (val));
sz = sizeof (val);
nn_epbase_getopt (aipc->epbase, NN_SOL_SOCKET, NN_RCVBUF,
&val, &sz);
nn_assert (sz == sizeof (val));
nn_usock_setsockopt (&aipc->usock, SOL_SOCKET, SO_RCVBUF,
&val, sizeof (val));
/* Return ownership of the listening socket to the parent. */
nn_usock_swap_owner (aipc->listener, &aipc->listener_owner);
aipc->listener = NULL;
aipc->listener_owner.src = -1;
aipc->listener_owner.fsm = NULL;
nn_fsm_raise (&aipc->fsm, &aipc->accepted, NN_AIPC_ACCEPTED);
/* Start the sipc state machine. */
nn_usock_activate (&aipc->usock);
nn_sipc_start (&aipc->sipc, &aipc->usock);
aipc->state = NN_AIPC_STATE_ACTIVE;
return;
default:
nn_fsm_bad_action (aipc->state, src, type);
}
default:
nn_fsm_bad_source (aipc->state, src, type);
}
/******************************************************************************/
/* ACTIVE state. */
/******************************************************************************/
case NN_AIPC_STATE_ACTIVE:
switch (src) {
case NN_AIPC_SRC_SIPC:
switch (type) {
case NN_SIPC_ERROR:
nn_sipc_stop (&aipc->sipc);
aipc->state = NN_AIPC_STATE_STOPPING_SIPC;
return;
default:
nn_fsm_bad_action (aipc->state, src, type);
}
default:
nn_fsm_bad_source (aipc->state, src, type);
}
/******************************************************************************/
/* STOPPING_SIPC state. */
/******************************************************************************/
case NN_AIPC_STATE_STOPPING_SIPC:
switch (src) {
case NN_AIPC_SRC_SIPC:
switch (type) {
case NN_SIPC_STOPPED:
nn_usock_stop (&aipc->usock);
aipc->state = NN_AIPC_STATE_STOPPING_USOCK;
return;
default:
nn_fsm_bad_action (aipc->state, src, type);
}
default:
nn_fsm_bad_source (aipc->state, src, type);
}
/******************************************************************************/
/* STOPPING_USOCK state. */
/******************************************************************************/
case NN_AIPC_STATE_STOPPING_USOCK:
switch (src) {
case NN_AIPC_SRC_USOCK:
switch (type) {
case NN_USOCK_STOPPED:
nn_fsm_raise (&aipc->fsm, &aipc->done, NN_AIPC_ERROR);
aipc->state = NN_AIPC_STATE_DONE;
return;
default:
nn_fsm_bad_action (aipc->state, src, type);
}
default:
nn_fsm_bad_source (aipc->state, src, type);
}
/******************************************************************************/
/* Invalid state. */
/******************************************************************************/
default:
nn_fsm_bad_state (aipc->state, src, type);
}
}
