if( nng_push0_open( nn_sock ) != 0 ) { // and assign the mode
pthread_mutex_unlock( &ep->gate );
- fprintf( stderr, "[CRI] rmr: link2: unable to initialise nanomsg push socket to: %s\n", target );
+ rmr_vlog( RMR_VL_CRIT, "rmr: link2: unable to initialise nanomsg push socket to: %s\n", target );
return FALSE;
}
snprintf( conn_info, sizeof( conn_info ), "tcp://%s", target );
if( (state = nng_dialer_create( dialer, *nn_sock, conn_info )) != 0 ) {
pthread_mutex_unlock( &ep->gate );
- fprintf( stderr, "[WRN] rmr: link2: unable to create dialer for link to target: %s: %d\n", target, errno );
+ rmr_vlog( RMR_VL_WARN, "rmr: link2: unable to create dialer for link to target: %s: %d\n", target, errno );
nng_close( *nn_sock );
return FALSE;
}
if( (state = nng_dialer_start( *dialer, flags )) != 0 ) { // can fail immediatly (unlike nanomsg)
pthread_mutex_unlock( &ep->gate );
- fprintf( stderr, "[WRN] rmr: unable to create link to target: %s: %s\n", target, nng_strerror( state ) );
+ rmr_vlog( RMR_VL_WARN, "rmr: unable to create link to target: %s: %s\n", target, nng_strerror( state ) );
nng_close( *nn_sock );
return FALSE;
}
- if( DEBUG ) fprintf( stderr, "[INFO] rmr_link2l: dial was successful: %s\n", target );
+ if( DEBUG ) rmr_vlog( RMR_VL_INFO, "rmr_link2l: dial was successful: %s\n", target );
ep->open = TRUE; // must set before release
pthread_mutex_unlock( &ep->gate );
/*
This provides a protocol independent mechanism for establishing the connection to an endpoint.
Return is true (1) if the link was opened; false on error.
+
+ For some flavours, the context is needed by this function, but not for nng.
*/
-static int rt_link2_ep( endpoint_t* ep ) {
+static int rt_link2_ep( void* vctx, endpoint_t* ep ) {
if( ep == NULL ) {
return FALSE;
}
rrgroup_t* rrg; // pointer at group to update
if( ! rte || ! rt ) {
- fprintf( stderr, "[WRN] uda_add_ep didn't get a valid rt and/or rte pointer\n" );
+ rmr_vlog( RMR_VL_WARN, "uda_add_ep didn't get a valid rt and/or rte pointer\n" );
return NULL;
}
if( rte->nrrgroups <= group ) {
- fprintf( stderr, "[WRN] uda_add_ep group out of range: %d (max == %d)\n", group, rte->nrrgroups );
+ rmr_vlog( RMR_VL_WARN, "uda_add_ep group out of range: %d (max == %d)\n", group, rte->nrrgroups );
return NULL;
}
if( (rrg = rte->rrgroups[group]) == NULL ) {
if( (rrg = (rrgroup_t *) malloc( sizeof( *rrg ) )) == NULL ) {
- fprintf( stderr, "[WRN] rmr_add_ep: malloc failed for round robin group: group=%d\n", group );
+ rmr_vlog( RMR_VL_WARN, "rmr_add_ep: malloc failed for round robin group: group=%d\n", group );
return NULL;
}
memset( rrg, 0, sizeof( *rrg ) );
if( (rrg->epts = (endpoint_t **) malloc( sizeof( endpoint_t ) * MAX_EP_GROUP )) == NULL ) {
- fprintf( stderr, "[WRN] rmr_add_ep: malloc failed for group endpoint array: group=%d\n", group );
+ rmr_vlog( RMR_VL_WARN, "rmr_add_ep: malloc failed for group endpoint array: group=%d\n", group );
return NULL;
}
memset( rrg->epts, 0, sizeof( endpoint_t ) * MAX_EP_GROUP );
if( rrg != NULL ) {
if( rrg->nused >= rrg->nendpts ) {
// future: reallocate
- fprintf( stderr, "[WRN] endpoint array for mtype/group %d/%d is full!\n", rte->mtype, group );
+ rmr_vlog( RMR_VL_WARN, "endpoint array for mtype/group %d/%d is full!\n", rte->mtype, group );
return NULL;
}
rrg->nused++;
}
- if( DEBUG > 1 ) fprintf( stderr, "[DBUG] endpoint added to mtype/group: %d/%d %s\n", rte->mtype, group, ep_name );
+ if( DEBUG > 1 ) rmr_vlog( RMR_VL_DEBUG, "endpoint added to mtype/group: %d/%d %s\n", rte->mtype, group, ep_name );
return ep;
}
*uepp = ep;
}
if( ep == NULL ) {
- if( DEBUG ) fprintf( stderr, "[DBUG] get ep by name for %s not in hash!\n", ep_name );
+ if( DEBUG ) rmr_vlog( RMR_VL_DEBUG, "get ep by name for %s not in hash!\n", ep_name );
if( ! ep_name || (ep = rt_ensure_ep( rt, ep_name)) == NULL ) { // create one if not in rt (support rts without entry in our table)
return FALSE;
}
}
if( ! ep->open ) { // not open -- connect now
- if( DEBUG ) fprintf( stderr, "[DBUG] get ep by name for %s session not started... starting\n", ep_name );
+ if( DEBUG ) rmr_vlog( RMR_VL_DEBUG, "get ep by name for %s session not started... starting\n", ep_name );
if( ep->addr == NULL ) { // name didn't resolve before, try again
ep->addr = strdup( ep->name ); // use the name directly; if not IP then transport will do dns lookup
}
ep->open = TRUE;
*nn_sock = ep->nn_sock; // pass socket back to caller
}
- if( DEBUG ) fprintf( stderr, "[DBUG] epsock_bn: connection state: %s %s\n", state ? "[OK]" : "[FAIL]", ep->name );
+ if( DEBUG ) rmr_vlog( RMR_VL_DEBUG, "epsock_bn: connection state: %s %s\n", state ? "[OK]" : "[FAIL]", ep->name );
} else {
*nn_sock = ep->nn_sock;
state = TRUE;
} else {
state = FALSE;
}
- if( DEBUG ) fprintf( stderr, "[DBUG] epsock_rr: connection attempted with %s: %s\n", ep->name, state ? "[OK]" : "[FAIL]" );
+ if( DEBUG ) rmr_vlog( RMR_VL_DEBUG, "epsock_rr: connection attempted with %s: %s\n", ep->name, state ? "[OK]" : "[FAIL]" );
} else {
*nn_sock = ep->nn_sock;
}
return rs;
}
+/*
+ Given a message, use the meid field to find the owner endpoint for the meid.
+ The owner ep is then used to extract the socket through which the message
+ is sent. This returns TRUE if we found a socket and it was written to the
+ nn_sock pointer; false if we didn't.
+
+ We've been told that the meid is a string, thus we count on it being a nil
+ terminated set of bytes.
+
+ If we return false there is no guarentee that the caller's reference to the
+ ep is valid or nil. Caller can trus the ep reference only when the return is
+ true.
+*/
+static int epsock_meid( route_table_t *rtable, rmr_mbuf_t* msg, nng_socket* nn_sock, endpoint_t** uepp ) {
+ endpoint_t* ep; // seected end point
+ int state = FALSE; // processing state
+ char* meid;
+
+ errno = 0;
+ if( ! nn_sock || msg == NULL || rtable == NULL ) { // missing stuff; bail fast
+ errno = EINVAL;
+ return FALSE;
+ }
+
+ meid = ((uta_mhdr_t *) msg->header)->meid;
+
+ if( (ep = get_meid_owner( rtable, meid )) == NULL ) {
+ if( DEBUG ) rmr_vlog( RMR_VL_DEBUG, "epsock_meid: no ep in hash for (%s)\n", meid );
+ return FALSE;
+ }
+
+ if( uepp != NULL ) { // ensure ep is returned to the caller
+ *uepp = ep;
+ }
+
+ state = TRUE;
+ if( ! ep->open ) { // not connected
+ if( ep->addr == NULL ) { // name didn't resolve before, try again
+ ep->addr = strdup( ep->name ); // use the name directly; if not IP then transport will do dns lookup
+ }
+
+ if( uta_link2( ep ) ) { // find entry in table and create link
+ ep->open = TRUE;
+ *nn_sock = ep->nn_sock; // pass socket back to caller
+ } else {
+ state = FALSE;
+ }
+ if( DEBUG ) rmr_vlog( RMR_VL_DEBUG, "epsock_meid: connection attempted with %s: %s\n", ep->name, state ? "[OK]" : "[FAIL]" );
+ } else {
+ *nn_sock = ep->nn_sock;
+ }
+
+ return state;
+}
+
#endif