[18/19] celix git commit: CELIX-417: Refactor for CMake usage in RSA, PSA and Docker. mostly trying to identify the api and common libraries

[pn...@apache.org]

http://git-wip-us.apache.org/repos/asf/celix/blob/2a670f26/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c
----------------------------------------------------------------------
diff --git a/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c b/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c
deleted file mode 100644
index 1fbdb08..0000000
--- a/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c
+++ /dev/null
@@ -1,1039 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * pubsub_admin_impl.c
- *
- *  \date       Sep 30, 2011
- *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
- *  \copyright	Apache License, Version 2.0
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#ifndef ANDROID
-#include <ifaddrs.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#include "constants.h"
-#include "utils.h"
-#include "hash_map.h"
-#include "array_list.h"
-#include "bundle_context.h"
-#include "bundle.h"
-#include "service_reference.h"
-#include "service_registration.h"
-#include "log_helper.h"
-#include "log_service.h"
-#include "celix_threads.h"
-#include "service_factory.h"
-
-#include "pubsub_admin_impl.h"
-#include "topic_subscription.h"
-#include "topic_publication.h"
-#include "pubsub_endpoint.h"
-#include "subscriber.h"
-#include "pubsub_admin_match.h"
-
-static const char *DEFAULT_MC_IP = "224.100.1.1";
-static char *DEFAULT_MC_PREFIX = "224.100";
-
-static celix_status_t pubsubAdmin_getIpAddress(const char* interface, char** ip);
-static celix_status_t pubsubAdmin_addSubscriptionToPendingList(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
-static celix_status_t pubsubAdmin_addAnySubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
-
-static celix_status_t pubsubAdmin_getBestSerializer(pubsub_admin_pt admin,pubsub_endpoint_pt ep, pubsub_serializer_service_t **serSvc);
-static void connectTopicPubSubToSerializer(pubsub_admin_pt admin,pubsub_serializer_service_t *serializer,void *topicPubSub,bool isPublication);
-static void disconnectTopicPubSubFromSerializer(pubsub_admin_pt admin,void *topicPubSub,bool isPublication);
-
-celix_status_t pubsubAdmin_create(bundle_context_pt context, pubsub_admin_pt *admin) {
-	celix_status_t status = CELIX_SUCCESS;
-
-	*admin = calloc(1, sizeof(**admin));
-
-	if (!*admin) {
-		return CELIX_ENOMEM;
-	}
-
-	char *mc_ip = NULL;
-	char *if_ip = NULL;
-	int sendSocket = -1;
-
-	if (logHelper_create(context, &(*admin)->loghelper) == CELIX_SUCCESS) {
-		logHelper_start((*admin)->loghelper);
-	}
-	const char *mc_ip_prop = NULL;
-	bundleContext_getProperty(context,PSA_IP , &mc_ip_prop);
-	if(mc_ip_prop) {
-		mc_ip = strdup(mc_ip_prop);
-	}
-
-#ifndef ANDROID
-	if (mc_ip == NULL) {
-		const char *mc_prefix = NULL;
-		const char *interface = NULL;
-		int b0 = 0, b1 = 0, b2 = 0, b3 = 0;
-		bundleContext_getProperty(context,PSA_MULTICAST_IP_PREFIX , &mc_prefix);
-		if(mc_prefix == NULL) {
-			mc_prefix = DEFAULT_MC_PREFIX;
-		}
-
-		bundleContext_getProperty(context, PSA_ITF, &interface);
-		if (pubsubAdmin_getIpAddress(interface, &if_ip) != CELIX_SUCCESS) {
-			logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA_UDP_MC: Could not retrieve IP address for interface %s", interface);
-		}
-
-		printf("IP Detected : %s\n", if_ip);
-		if(if_ip && sscanf(if_ip, "%i.%i.%i.%i", &b0, &b1, &b2, &b3) != 4) {
-			logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA_UDP_MC: Could not parse IP address %s", if_ip);
-			b2 = 1;
-			b3 = 1;
-		}
-
-		asprintf(&mc_ip, "%s.%d.%d",mc_prefix, b2, b3);
-
-		sendSocket = socket(AF_INET, SOCK_DGRAM, 0);
-		if(sendSocket == -1) {
-			perror("pubsubAdmin_create:socket");
-			status = CELIX_SERVICE_EXCEPTION;
-		}
-
-		if(status == CELIX_SUCCESS){
-			char loop = 1;
-			if(setsockopt(sendSocket, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(loop)) != 0) {
-				perror("pubsubAdmin_create:setsockopt(IP_MULTICAST_LOOP)");
-				status = CELIX_SERVICE_EXCEPTION;
-			}
-		}
-
-		if(status == CELIX_SUCCESS){
-			struct in_addr multicast_interface;
-			inet_aton(if_ip, &multicast_interface);
-			if(setsockopt(sendSocket,  IPPROTO_IP, IP_MULTICAST_IF, &multicast_interface, sizeof(multicast_interface)) != 0) {
-				perror("pubsubAdmin_create:setsockopt(IP_MULTICAST_IF)");
-				status = CELIX_SERVICE_EXCEPTION;
-			}
-		}
-
-	}
-
-
-	if(status != CELIX_SUCCESS){
-		logHelper_stop((*admin)->loghelper);
-		logHelper_destroy(&((*admin)->loghelper));
-		if(sendSocket >=0){
-			close(sendSocket);
-		}
-		if(if_ip != NULL){
-			free(if_ip);
-		}
-		if(mc_ip != NULL){
-			free(mc_ip);
-		}
-		return status;
-	}
-	else{
-		(*admin)->sendSocket = sendSocket;
-	}
-
-#endif
-
-	(*admin)->bundle_context= context;
-	(*admin)->localPublications = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
-	(*admin)->subscriptions = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
-	(*admin)->pendingSubscriptions = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
-	(*admin)->externalPublications = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
-	(*admin)->topicSubscriptionsPerSerializer = hashMap_create(NULL, NULL, NULL, NULL);
-	(*admin)->topicPublicationsPerSerializer  = hashMap_create(NULL, NULL, NULL, NULL);
-	arrayList_create(&((*admin)->noSerializerSubscriptions));
-	arrayList_create(&((*admin)->noSerializerPublications));
-	arrayList_create(&((*admin)->serializerList));
-
-	celixThreadMutex_create(&(*admin)->localPublicationsLock, NULL);
-	celixThreadMutex_create(&(*admin)->subscriptionsLock, NULL);
-	celixThreadMutex_create(&(*admin)->externalPublicationsLock, NULL);
-	celixThreadMutex_create(&(*admin)->serializerListLock, NULL);
-	celixThreadMutex_create(&(*admin)->usedSerializersLock, NULL);
-
-	celixThreadMutexAttr_create(&(*admin)->noSerializerPendingsAttr);
-	celixThreadMutexAttr_settype(&(*admin)->noSerializerPendingsAttr, CELIX_THREAD_MUTEX_RECURSIVE);
-	celixThreadMutex_create(&(*admin)->noSerializerPendingsLock, &(*admin)->noSerializerPendingsAttr);
-
-	celixThreadMutexAttr_create(&(*admin)->pendingSubscriptionsAttr);
-	celixThreadMutexAttr_settype(&(*admin)->pendingSubscriptionsAttr, CELIX_THREAD_MUTEX_RECURSIVE);
-	celixThreadMutex_create(&(*admin)->pendingSubscriptionsLock, &(*admin)->pendingSubscriptionsAttr);
-
-	if (if_ip != NULL) {
-		logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_INFO, "PSA_UDP_MC: Using %s as interface for multicast communication", if_ip);
-		(*admin)->ifIpAddress = if_ip;
-	} else {
-		(*admin)->ifIpAddress = strdup("127.0.0.1");
-	}
-
-	if (mc_ip != NULL) {
-		logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_INFO, "PSA_UDP_MC: Using %s for service annunciation", mc_ip);
-		(*admin)->mcIpAddress = mc_ip;
-	}
-	else {
-		logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA_UDP_MC: No IP address for service annunciation set. Using %s", DEFAULT_MC_IP);
-		(*admin)->mcIpAddress = strdup(DEFAULT_MC_IP);
-	}
-
-	return status;
-}
-
-
-celix_status_t pubsubAdmin_destroy(pubsub_admin_pt admin)
-{
-	celix_status_t status = CELIX_SUCCESS;
-
-	free(admin->mcIpAddress);
-	free(admin->ifIpAddress);
-
-	celixThreadMutex_lock(&admin->pendingSubscriptionsLock);
-	hash_map_iterator_pt iter = hashMapIterator_create(admin->pendingSubscriptions);
-	while(hashMapIterator_hasNext(iter)){
-		hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
-		free((char*)hashMapEntry_getKey(entry));
-		arrayList_destroy((array_list_pt)hashMapEntry_getValue(entry));
-	}
-	hashMapIterator_destroy(iter);
-	hashMap_destroy(admin->pendingSubscriptions,false,false);
-	celixThreadMutex_unlock(&admin->pendingSubscriptionsLock);
-
-	celixThreadMutex_lock(&admin->subscriptionsLock);
-	hashMap_destroy(admin->subscriptions,false,false);
-	celixThreadMutex_unlock(&admin->subscriptionsLock);
-
-	celixThreadMutex_lock(&admin->localPublicationsLock);
-	hashMap_destroy(admin->localPublications,true,false);
-	celixThreadMutex_unlock(&admin->localPublicationsLock);
-
-	celixThreadMutex_lock(&admin->externalPublicationsLock);
-	iter = hashMapIterator_create(admin->externalPublications);
-	while(hashMapIterator_hasNext(iter)){
-		hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
-		free((char*)hashMapEntry_getKey(entry));
-		arrayList_destroy((array_list_pt)hashMapEntry_getValue(entry));
-	}
-	hashMapIterator_destroy(iter);
-	hashMap_destroy(admin->externalPublications,false,false);
-	celixThreadMutex_unlock(&admin->externalPublicationsLock);
-
-	celixThreadMutex_lock(&admin->serializerListLock);
-	arrayList_destroy(admin->serializerList);
-	celixThreadMutex_unlock(&admin->serializerListLock);
-
-	celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-	arrayList_destroy(admin->noSerializerSubscriptions);
-	arrayList_destroy(admin->noSerializerPublications);
-	celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-
-	celixThreadMutex_lock(&admin->usedSerializersLock);
-
-	iter = hashMapIterator_create(admin->topicSubscriptionsPerSerializer);
-	while(hashMapIterator_hasNext(iter)){
-		arrayList_destroy((array_list_pt)hashMapIterator_nextValue(iter));
-	}
-	hashMapIterator_destroy(iter);
-	hashMap_destroy(admin->topicSubscriptionsPerSerializer,false,false);
-
-	iter = hashMapIterator_create(admin->topicPublicationsPerSerializer);
-	while(hashMapIterator_hasNext(iter)){
-		arrayList_destroy((array_list_pt)hashMapIterator_nextValue(iter));
-	}
-	hashMapIterator_destroy(iter);
-	hashMap_destroy(admin->topicPublicationsPerSerializer,false,false);
-
-	celixThreadMutex_unlock(&admin->usedSerializersLock);
-
-	celixThreadMutex_destroy(&admin->usedSerializersLock);
-	celixThreadMutex_destroy(&admin->serializerListLock);
-
-	celixThreadMutexAttr_destroy(&admin->noSerializerPendingsAttr);
-	celixThreadMutex_destroy(&admin->noSerializerPendingsLock);
-
-	celixThreadMutex_destroy(&admin->pendingSubscriptionsLock);
-	celixThreadMutexAttr_destroy(&admin->pendingSubscriptionsAttr);
-
-	celixThreadMutex_destroy(&admin->subscriptionsLock);
-	celixThreadMutex_destroy(&admin->localPublicationsLock);
-	celixThreadMutex_destroy(&admin->externalPublicationsLock);
-
-	logHelper_stop(admin->loghelper);
-
-	logHelper_destroy(&admin->loghelper);
-
-	free(admin);
-
-	return status;
-}
-
-static celix_status_t pubsubAdmin_addAnySubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&admin->subscriptionsLock);
-
-	topic_subscription_pt any_sub = hashMap_get(admin->subscriptions,PUBSUB_ANY_SUB_TOPIC);
-
-	if(any_sub==NULL){
-
-		int i;
-		pubsub_serializer_service_t *best_serializer = NULL;
-		if( (status=pubsubAdmin_getBestSerializer(admin, subEP, &best_serializer)) == CELIX_SUCCESS){
-			status = pubsub_topicSubscriptionCreate(admin->bundle_context, admin->ifIpAddress, PUBSUB_SUBSCRIBER_SCOPE_DEFAULT, PUBSUB_ANY_SUB_TOPIC, best_serializer, &any_sub);
-		}
-		else{
-			printf("PSA_UDP_MC: Cannot find a serializer for subscribing topic %s. Adding it to pending list.\n",subEP->topic);
-			celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-			arrayList_add(admin->noSerializerSubscriptions,subEP);
-			celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-		}
-
-		if (status == CELIX_SUCCESS){
-
-			/* Connect all internal publishers */
-			celixThreadMutex_lock(&admin->localPublicationsLock);
-			hash_map_iterator_pt lp_iter =hashMapIterator_create(admin->localPublications);
-			while(hashMapIterator_hasNext(lp_iter)){
-				service_factory_pt factory = (service_factory_pt)hashMapIterator_nextValue(lp_iter);
-				topic_publication_pt topic_pubs = (topic_publication_pt)factory->handle;
-				array_list_pt topic_publishers = pubsub_topicPublicationGetPublisherList(topic_pubs);
-
-				if(topic_publishers!=NULL){
-					for(i=0;i<arrayList_size(topic_publishers);i++){
-						pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(topic_publishers,i);
-						if(pubEP->endpoint !=NULL){
-							status += pubsub_topicSubscriptionConnectPublisher(any_sub,pubEP->endpoint);
-						}
-					}
-					arrayList_destroy(topic_publishers);
-				}
-			}
-			hashMapIterator_destroy(lp_iter);
-			celixThreadMutex_unlock(&admin->localPublicationsLock);
-
-			/* Connect also all external publishers */
-			celixThreadMutex_lock(&admin->externalPublicationsLock);
-			hash_map_iterator_pt extp_iter =hashMapIterator_create(admin->externalPublications);
-			while(hashMapIterator_hasNext(extp_iter)){
-				array_list_pt ext_pub_list = (array_list_pt)hashMapIterator_nextValue(extp_iter);
-				if(ext_pub_list!=NULL){
-					for(i=0;i<arrayList_size(ext_pub_list);i++){
-						pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
-						if(pubEP->endpoint !=NULL){
-							status += pubsub_topicSubscriptionConnectPublisher(any_sub,pubEP->endpoint);
-						}
-					}
-				}
-			}
-			hashMapIterator_destroy(extp_iter);
-			celixThreadMutex_unlock(&admin->externalPublicationsLock);
-
-
-			pubsub_topicSubscriptionAddSubscriber(any_sub,subEP);
-
-			status += pubsub_topicSubscriptionStart(any_sub);
-
-		}
-
-		if (status == CELIX_SUCCESS){
-			hashMap_put(admin->subscriptions,strdup(PUBSUB_ANY_SUB_TOPIC),any_sub);
-			connectTopicPubSubToSerializer(admin, best_serializer, any_sub, false);
-		}
-
-	}
-
-	celixThreadMutex_unlock(&admin->subscriptionsLock);
-
-	return status;
-}
-
-celix_status_t pubsubAdmin_addSubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
-	celix_status_t status = CELIX_SUCCESS;
-
-	printf("PSA_UDP_MC: Received subscription [FWUUID=%s bundleID=%ld scope=%s, topic=%s]\n",subEP->frameworkUUID,subEP->serviceID,subEP->scope,subEP->topic);
-
-	if(strcmp(subEP->topic,PUBSUB_ANY_SUB_TOPIC)==0){
-		return pubsubAdmin_addAnySubscription(admin,subEP);
-	}
-
-	/* Check if we already know some publisher about this topic, otherwise let's put the subscription in the pending hashmap */
-	celixThreadMutex_lock(&admin->pendingSubscriptionsLock);
-	celixThreadMutex_lock(&admin->subscriptionsLock);
-	celixThreadMutex_lock(&admin->localPublicationsLock);
-	celixThreadMutex_lock(&admin->externalPublicationsLock);
-
-	char* scope_topic = createScopeTopicKey(subEP->scope,subEP->topic);
-
-	service_factory_pt factory = (service_factory_pt)hashMap_get(admin->localPublications,scope_topic);
-	array_list_pt ext_pub_list = (array_list_pt)hashMap_get(admin->externalPublications,scope_topic);
-
-	if(factory==NULL && ext_pub_list==NULL){ //No (local or external) publishers yet for this topic
-		pubsubAdmin_addSubscriptionToPendingList(admin,subEP);
-	}
-	else{
-		int i;
-		topic_subscription_pt subscription = hashMap_get(admin->subscriptions, scope_topic);
-
-		if(subscription == NULL) {
-			pubsub_serializer_service_t *best_serializer = NULL;
-			if( (status=pubsubAdmin_getBestSerializer(admin, subEP, &best_serializer)) == CELIX_SUCCESS){
-				status += pubsub_topicSubscriptionCreate(admin->bundle_context,admin->ifIpAddress, subEP->scope, subEP->topic, best_serializer, &subscription);
-			}
-			else{
-				printf("PSA_UDP_MC: Cannot find a serializer for subscribing topic %s. Adding it to pending list.\n",subEP->topic);
-				celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-				arrayList_add(admin->noSerializerSubscriptions,subEP);
-				celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-			}
-
-			if (status==CELIX_SUCCESS){
-
-				/* Try to connect internal publishers */
-				if(factory!=NULL){
-					topic_publication_pt topic_pubs = (topic_publication_pt)factory->handle;
-					array_list_pt topic_publishers = pubsub_topicPublicationGetPublisherList(topic_pubs);
-
-					if(topic_publishers!=NULL){
-						for(i=0;i<arrayList_size(topic_publishers);i++){
-							pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(topic_publishers,i);
-							if(pubEP->endpoint !=NULL){
-								status += pubsub_topicSubscriptionConnectPublisher(subscription,pubEP->endpoint);
-							}
-						}
-						arrayList_destroy(topic_publishers);
-					}
-
-				}
-
-				/* Look also for external publishers */
-				if(ext_pub_list!=NULL){
-					for(i=0;i<arrayList_size(ext_pub_list);i++){
-						pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
-						if(pubEP->endpoint !=NULL){
-							status += pubsub_topicSubscriptionConnectPublisher(subscription,pubEP->endpoint);
-						}
-					}
-				}
-
-				pubsub_topicSubscriptionAddSubscriber(subscription,subEP);
-
-				status += pubsub_topicSubscriptionStart(subscription);
-
-			}
-
-			if(status==CELIX_SUCCESS){
-
-				hashMap_put(admin->subscriptions,strdup(scope_topic),subscription);
-
-				connectTopicPubSubToSerializer(admin, best_serializer, subscription, false);
-			}
-		}
-
-		if (status == CELIX_SUCCESS){
-			pubsub_topicIncreaseNrSubscribers(subscription);
-		}
-	}
-
-	free(scope_topic);
-	celixThreadMutex_unlock(&admin->externalPublicationsLock);
-	celixThreadMutex_unlock(&admin->localPublicationsLock);
-	celixThreadMutex_unlock(&admin->subscriptionsLock);
-	celixThreadMutex_unlock(&admin->pendingSubscriptionsLock);
-
-	return status;
-
-}
-
-celix_status_t pubsubAdmin_removeSubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
-	celix_status_t status = CELIX_SUCCESS;
-
-	printf("PSA_UDP_MC: Removing subscription [FWUUID=%s bundleID=%ld scope=%s, topic=%s]\n",subEP->frameworkUUID,subEP->serviceID,subEP->scope, subEP->topic);
-
-	char* scope_topic = createScopeTopicKey(subEP->scope, subEP->topic);
-
-	celixThreadMutex_lock(&admin->subscriptionsLock);
-	topic_subscription_pt sub = (topic_subscription_pt)hashMap_get(admin->subscriptions,scope_topic);
-	if(sub!=NULL){
-		pubsub_topicDecreaseNrSubscribers(sub);
-		if(pubsub_topicGetNrSubscribers(sub) == 0) {
-			status = pubsub_topicSubscriptionRemoveSubscriber(sub,subEP);
-		}
-	}
-	celixThreadMutex_unlock(&admin->subscriptionsLock);
-
-	if(sub==NULL){
-		/* Maybe the endpoint was pending */
-		celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-		if(!arrayList_removeElement(admin->noSerializerSubscriptions, subEP)){
-			status = CELIX_ILLEGAL_STATE;
-		}
-		celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-	}
-
-	free(scope_topic);
-
-
-
-	return status;
-
-}
-
-celix_status_t pubsubAdmin_addPublication(pubsub_admin_pt admin,pubsub_endpoint_pt pubEP){
-	celix_status_t status = CELIX_SUCCESS;
-
-	printf("PSA_UDP_MC: Received publication [FWUUID=%s bundleID=%ld scope=%s, topic=%s]\n",pubEP->frameworkUUID,pubEP->serviceID,pubEP->scope, pubEP->topic);
-
-	const char* fwUUID = NULL;
-
-	bundleContext_getProperty(admin->bundle_context,OSGI_FRAMEWORK_FRAMEWORK_UUID,&fwUUID);
-	if(fwUUID==NULL){
-		printf("PSA_UDP_MC: Cannot retrieve fwUUID.\n");
-		return CELIX_INVALID_BUNDLE_CONTEXT;
-	}
-	char* scope_topic = createScopeTopicKey(pubEP->scope, pubEP->topic);
-
-	if ((strcmp(pubEP->frameworkUUID, fwUUID) == 0) && (pubEP->endpoint == NULL)) {
-
-		celixThreadMutex_lock(&admin->localPublicationsLock);
-
-		service_factory_pt factory = (service_factory_pt) hashMap_get(admin->localPublications, scope_topic);
-
-		if (factory == NULL) {
-			topic_publication_pt pub = NULL;
-			pubsub_serializer_service_t *best_serializer = NULL;
-			if( (status=pubsubAdmin_getBestSerializer(admin, pubEP, &best_serializer)) == CELIX_SUCCESS){
-				status = pubsub_topicPublicationCreate(admin->sendSocket, pubEP, best_serializer, admin->mcIpAddress, &pub);
-			}
-			else{
-				printf("PSA_UDP_MC: Cannot find a serializer for publishing topic %s. Adding it to pending list.\n", pubEP->topic);
-				celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-				arrayList_add(admin->noSerializerPublications,pubEP);
-				celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-			}
-
-			if (status == CELIX_SUCCESS) {
-				status = pubsub_topicPublicationStart(admin->bundle_context, pub, &factory);
-				if (status == CELIX_SUCCESS && factory != NULL) {
-					hashMap_put(admin->localPublications, strdup(scope_topic), factory);
-					connectTopicPubSubToSerializer(admin, best_serializer, pub, true);
-				}
-			} else {
-				printf("PSA_UDP_MC: Cannot create a topicPublication for scope=%s, topic=%s (bundle %ld).\n", pubEP->scope, pubEP->topic, pubEP->serviceID);
-			}
-		} else {
-			//just add the new EP to the list
-			topic_publication_pt pub = (topic_publication_pt) factory->handle;
-			pubsub_topicPublicationAddPublisherEP(pub, pubEP);
-		}
-
-		celixThreadMutex_unlock(&admin->localPublicationsLock);
-	}
-	else{
-
-		celixThreadMutex_lock(&admin->externalPublicationsLock);
-		array_list_pt ext_pub_list = (array_list_pt) hashMap_get(admin->externalPublications, scope_topic);
-		if (ext_pub_list == NULL) {
-			arrayList_create(&ext_pub_list);
-			hashMap_put(admin->externalPublications, strdup(scope_topic), ext_pub_list);
-		}
-
-		arrayList_add(ext_pub_list, pubEP);
-
-		celixThreadMutex_unlock(&admin->externalPublicationsLock);
-	}
-
-	/* Re-evaluate the pending subscriptions */
-	celixThreadMutex_lock(&admin->pendingSubscriptionsLock);
-
-	hash_map_entry_pt pendingSub = hashMap_getEntry(admin->pendingSubscriptions, scope_topic);
-	if (pendingSub != NULL) { //There were pending subscription for the just published topic. Let's connect them.
-		char* topic = (char*) hashMapEntry_getKey(pendingSub);
-		array_list_pt pendingSubList = (array_list_pt) hashMapEntry_getValue(pendingSub);
-		int i;
-		for (i = 0; i < arrayList_size(pendingSubList); i++) {
-			pubsub_endpoint_pt subEP = (pubsub_endpoint_pt) arrayList_get(pendingSubList, i);
-			pubsubAdmin_addSubscription(admin, subEP);
-		}
-		hashMap_remove(admin->pendingSubscriptions, scope_topic);
-		arrayList_clear(pendingSubList);
-		arrayList_destroy(pendingSubList);
-		free(topic);
-	}
-
-	celixThreadMutex_unlock(&admin->pendingSubscriptionsLock);
-
-	/* Connect the new publisher to the subscription for his topic, if there is any */
-	celixThreadMutex_lock(&admin->subscriptionsLock);
-
-	topic_subscription_pt sub = (topic_subscription_pt) hashMap_get(admin->subscriptions, scope_topic);
-	if (sub != NULL && pubEP->endpoint != NULL) {
-		pubsub_topicSubscriptionAddConnectPublisherToPendingList(sub, pubEP->endpoint);
-	}
-
-	/* And check also for ANY subscription */
-	topic_subscription_pt any_sub = (topic_subscription_pt) hashMap_get(admin->subscriptions, PUBSUB_ANY_SUB_TOPIC);
-	if (any_sub != NULL && pubEP->endpoint != NULL) {
-		pubsub_topicSubscriptionAddConnectPublisherToPendingList(any_sub, pubEP->endpoint);
-	}
-
-	free(scope_topic);
-
-	celixThreadMutex_unlock(&admin->subscriptionsLock);
-
-	return status;
-
-}
-
-celix_status_t pubsubAdmin_removePublication(pubsub_admin_pt admin,pubsub_endpoint_pt pubEP){
-	celix_status_t status = CELIX_SUCCESS;
-	int count = 0;
-
-	printf("PSA_UDP_MC: Removing publication [FWUUID=%s bundleID=%ld scope=%s, topic=%s]\n",pubEP->frameworkUUID,pubEP->serviceID,pubEP->scope, pubEP->topic);
-
-	const char* fwUUID = NULL;
-
-	bundleContext_getProperty(admin->bundle_context,OSGI_FRAMEWORK_FRAMEWORK_UUID,&fwUUID);
-	if(fwUUID==NULL){
-		printf("PSA_UDP_MC: Cannot retrieve fwUUID.\n");
-		return CELIX_INVALID_BUNDLE_CONTEXT;
-	}
-	char *scope_topic = createScopeTopicKey(pubEP->scope, pubEP->topic);
-
-	if(strcmp(pubEP->frameworkUUID,fwUUID)==0){
-
-		celixThreadMutex_lock(&admin->localPublicationsLock);
-		service_factory_pt factory = (service_factory_pt)hashMap_get(admin->localPublications,scope_topic);
-		if(factory!=NULL){
-			topic_publication_pt pub = (topic_publication_pt)factory->handle;
-			pubsub_topicPublicationRemovePublisherEP(pub,pubEP);
-		}
-		celixThreadMutex_unlock(&admin->localPublicationsLock);
-
-		if(factory==NULL){
-			/* Maybe the endpoint was pending */
-			celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-			if(!arrayList_removeElement(admin->noSerializerPublications, pubEP)){
-				status = CELIX_ILLEGAL_STATE;
-			}
-			celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-		}
-
-	}
-	else{
-
-		celixThreadMutex_lock(&admin->externalPublicationsLock);
-		array_list_pt ext_pub_list = (array_list_pt)hashMap_get(admin->externalPublications,scope_topic);
-		if(ext_pub_list!=NULL){
-			int i;
-			bool found = false;
-			for(i=0;!found && i<arrayList_size(ext_pub_list);i++){
-				pubsub_endpoint_pt p  = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
-				found = pubsubEndpoint_equals(pubEP,p);
-				if (found){
-					arrayList_remove(ext_pub_list,i);
-				}
-			}
-			// Check if there are more publishers on the same endpoint (happens when 1 celix-instance with multiple bundles publish in same topic)
-			for(i=0; i<arrayList_size(ext_pub_list);i++) {
-				pubsub_endpoint_pt p  = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
-				if (strcmp(pubEP->endpoint,p->endpoint) == 0) {
-					count++;
-				}
-			}
-
-			if(arrayList_size(ext_pub_list)==0){
-				hash_map_entry_pt entry = hashMap_getEntry(admin->externalPublications,scope_topic);
-				char* topic = (char*)hashMapEntry_getKey(entry);
-				array_list_pt list = (array_list_pt)hashMapEntry_getValue(entry);
-				hashMap_remove(admin->externalPublications,topic);
-				arrayList_destroy(list);
-				free(topic);
-			}
-		}
-
-		celixThreadMutex_unlock(&admin->externalPublicationsLock);
-	}
-
-	/* Check if this publisher was connected to one of our subscribers*/
-	celixThreadMutex_lock(&admin->subscriptionsLock);
-
-	topic_subscription_pt sub = (topic_subscription_pt)hashMap_get(admin->subscriptions,scope_topic);
-	if(sub!=NULL && pubEP->endpoint!=NULL && count == 0){
-		pubsub_topicSubscriptionAddDisconnectPublisherToPendingList(sub,pubEP->endpoint);
-	}
-
-	/* And check also for ANY subscription */
-	topic_subscription_pt any_sub = (topic_subscription_pt)hashMap_get(admin->subscriptions,PUBSUB_ANY_SUB_TOPIC);
-	if(any_sub!=NULL && pubEP->endpoint!=NULL && count == 0){
-		pubsub_topicSubscriptionAddDisconnectPublisherToPendingList(any_sub,pubEP->endpoint);
-	}
-
-	free(scope_topic);
-	celixThreadMutex_unlock(&admin->subscriptionsLock);
-
-	return status;
-
-}
-
-celix_status_t pubsubAdmin_closeAllPublications(pubsub_admin_pt admin,char *scope, char* topic){
-	celix_status_t status = CELIX_SUCCESS;
-
-	printf("PSA_UDP_MC: Closing all publications for scope=%s,topic=%s\n", scope, topic);
-
-	celixThreadMutex_lock(&admin->localPublicationsLock);
-	char* scope_topic =createScopeTopicKey(scope, topic);
-	hash_map_entry_pt pubsvc_entry = (hash_map_entry_pt)hashMap_getEntry(admin->localPublications,scope_topic);
-	if(pubsvc_entry!=NULL){
-		char* key = (char*)hashMapEntry_getKey(pubsvc_entry);
-		service_factory_pt factory= (service_factory_pt)hashMapEntry_getValue(pubsvc_entry);
-		topic_publication_pt pub = (topic_publication_pt)factory->handle;
-		status += pubsub_topicPublicationStop(pub);
-		disconnectTopicPubSubFromSerializer(admin, pub, true);
-		status += pubsub_topicPublicationDestroy(pub);
-		hashMap_remove(admin->localPublications,scope_topic);
-		free(key);
-		free(factory);
-	}
-	free(scope_topic);
-	celixThreadMutex_unlock(&admin->localPublicationsLock);
-
-	return status;
-
-}
-
-celix_status_t pubsubAdmin_closeAllSubscriptions(pubsub_admin_pt admin,char *scope, char* topic){
-	celix_status_t status = CELIX_SUCCESS;
-
-	printf("PSA_UDP_MC: Closing all subscriptions\n");
-
-	celixThreadMutex_lock(&admin->subscriptionsLock);
-	char* scope_topic =createScopeTopicKey(scope, topic);
-	hash_map_entry_pt sub_entry = (hash_map_entry_pt)hashMap_getEntry(admin->subscriptions,scope_topic);
-	if(sub_entry!=NULL){
-		char* topic = (char*)hashMapEntry_getKey(sub_entry);
-
-		topic_subscription_pt ts = (topic_subscription_pt)hashMapEntry_getValue(sub_entry);
-		status += pubsub_topicSubscriptionStop(ts);
-		disconnectTopicPubSubFromSerializer(admin, ts, false);
-		status += pubsub_topicSubscriptionDestroy(ts);
-		hashMap_remove(admin->subscriptions,topic);
-		free(topic);
-
-	}
-	free(scope_topic);
-	celixThreadMutex_unlock(&admin->subscriptionsLock);
-
-	return status;
-
-}
-
-
-#ifndef ANDROID
-static celix_status_t pubsubAdmin_getIpAddress(const char* interface, char** ip) {
-	celix_status_t status = CELIX_BUNDLE_EXCEPTION;
-
-	struct ifaddrs *ifaddr, *ifa;
-	char host[NI_MAXHOST];
-
-	if (getifaddrs(&ifaddr) != -1)
-	{
-		for (ifa = ifaddr; ifa != NULL && status != CELIX_SUCCESS; ifa = ifa->ifa_next)
-		{
-			if (ifa->ifa_addr == NULL)
-				continue;
-
-			if ((getnameinfo(ifa->ifa_addr,sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
-				if (interface == NULL) {
-					*ip = strdup(host);
-					status = CELIX_SUCCESS;
-				}
-				else if (strcmp(ifa->ifa_name, interface) == 0) {
-					*ip = strdup(host);
-					status = CELIX_SUCCESS;
-				}
-			}
-		}
-
-		freeifaddrs(ifaddr);
-	}
-
-	return status;
-}
-#endif
-
-static celix_status_t pubsubAdmin_addSubscriptionToPendingList(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
-	celix_status_t status = CELIX_SUCCESS;
-
-	char* scope_topic =createScopeTopicKey(subEP->scope, subEP->topic);
-	array_list_pt pendingListPerTopic = hashMap_get(admin->pendingSubscriptions,scope_topic);
-	if(pendingListPerTopic==NULL){
-		arrayList_create(&pendingListPerTopic);
-		hashMap_put(admin->pendingSubscriptions,strdup(scope_topic),pendingListPerTopic);
-	}
-	arrayList_add(pendingListPerTopic,subEP);
-	free(scope_topic);
-
-	return status;
-}
-
-
-celix_status_t pubsubAdmin_serializerAdded(void * handle, service_reference_pt reference, void * service){
-	/* Assumption: serializers are all available at startup.
-	 * If a new (possibly better) serializer is installed and started, already created topic_publications/subscriptions will not be destroyed and recreated */
-
-	celix_status_t status = CELIX_SUCCESS;
-	int i=0;
-
-	const char *serType = NULL;
-	serviceReference_getProperty(reference, PUBSUB_SERIALIZER_TYPE_KEY,&serType);
-	if(serType == NULL){
-		printf("Serializer serviceReference %p has no pubsub_serializer.type property specified\n",reference);
-		return CELIX_SERVICE_EXCEPTION;
-	}
-
-	pubsub_admin_pt admin = (pubsub_admin_pt)handle;
-	celixThreadMutex_lock(&admin->serializerListLock);
-	arrayList_add(admin->serializerList, reference);
-	celixThreadMutex_unlock(&admin->serializerListLock);
-
-	/* Now let's re-evaluate the pending */
-	celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-
-	for(i=0;i<arrayList_size(admin->noSerializerSubscriptions);i++){
-		pubsub_endpoint_pt ep = (pubsub_endpoint_pt)arrayList_get(admin->noSerializerSubscriptions,i);
-		pubsub_serializer_service_t *best_serializer = NULL;
-		pubsubAdmin_getBestSerializer(admin, ep, &best_serializer);
-		if(best_serializer != NULL){ /* Finally we have a valid serializer! */
-			pubsubAdmin_addSubscription(admin, ep);
-		}
-	}
-
-	for(i=0;i<arrayList_size(admin->noSerializerPublications);i++){
-		pubsub_endpoint_pt ep = (pubsub_endpoint_pt)arrayList_get(admin->noSerializerPublications,i);
-		pubsub_serializer_service_t *best_serializer = NULL;
-		pubsubAdmin_getBestSerializer(admin, ep, &best_serializer);
-		if(best_serializer != NULL){ /* Finally we have a valid serializer! */
-			pubsubAdmin_addPublication(admin, ep);
-		}
-	}
-
-	celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-
-	printf("PSA_UDP_MC: %s serializer added\n",serType);
-
-	return status;
-}
-
-celix_status_t pubsubAdmin_serializerRemoved(void * handle, service_reference_pt reference, void * service){
-
-	pubsub_admin_pt admin = (pubsub_admin_pt)handle;
-	int i=0, j=0;
-	const char *serType = NULL;
-
-	serviceReference_getProperty(reference, PUBSUB_SERIALIZER_TYPE_KEY,&serType);
-	if(serType == NULL){
-		printf("Serializer serviceReference %p has no pubsub_serializer.type property specified\n",reference);
-		return CELIX_SERVICE_EXCEPTION;
-	}
-
-	celixThreadMutex_lock(&admin->serializerListLock);
-	/* Remove the serializer from the list */
-	arrayList_removeElement(admin->serializerList, reference);
-	celixThreadMutex_unlock(&admin->serializerListLock);
-
-	celixThreadMutex_lock(&admin->usedSerializersLock);
-	array_list_pt topicPubList = (array_list_pt)hashMap_remove(admin->topicPublicationsPerSerializer, service);
-	array_list_pt topicSubList = (array_list_pt)hashMap_remove(admin->topicSubscriptionsPerSerializer, service);
-	celixThreadMutex_unlock(&admin->usedSerializersLock);
-
-	/* Now destroy the topicPublications, but first put back the pubsub_endpoints back to the noSerializer pending list */
-	if(topicPubList!=NULL){
-		for(i=0;i<arrayList_size(topicPubList);i++){
-			topic_publication_pt topicPub = (topic_publication_pt)arrayList_get(topicPubList,i);
-			/* Stop the topic publication */
-			pubsub_topicPublicationStop(topicPub);
-			/* Get the endpoints that are going to be orphan */
-			array_list_pt pubList = pubsub_topicPublicationGetPublisherList(topicPub);
-			for(j=0;j<arrayList_size(pubList);j++){
-				pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(pubList,j);
-				/* Remove the publication */
-				pubsubAdmin_removePublication(admin, pubEP);
-				/* Reset the endpoint field, so that will be recreated from scratch when a new serializer will be found */
-				if(pubEP->endpoint!=NULL){
-					free(pubEP->endpoint);
-					pubEP->endpoint = NULL;
-				}
-				/* Add the orphan endpoint to the noSerializer pending list */
-				celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-				arrayList_add(admin->noSerializerPublications,pubEP);
-				celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-			}
-			arrayList_destroy(pubList);
-
-			/* Cleanup also the localPublications hashmap*/
-			celixThreadMutex_lock(&admin->localPublicationsLock);
-			hash_map_iterator_pt iter = hashMapIterator_create(admin->localPublications);
-			char *key = NULL;
-			service_factory_pt factory = NULL;
-			while(hashMapIterator_hasNext(iter)){
-				hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
-				factory = (service_factory_pt)hashMapEntry_getValue(entry);
-				topic_publication_pt pub = (topic_publication_pt)factory->handle;
-				if(pub==topicPub){
-					key = (char*)hashMapEntry_getKey(entry);
-					break;
-				}
-			}
-			hashMapIterator_destroy(iter);
-			if(key!=NULL){
-				hashMap_remove(admin->localPublications, key);
-				free(factory);
-				free(key);
-			}
-			celixThreadMutex_unlock(&admin->localPublicationsLock);
-
-			/* Finally destroy the topicPublication */
-			pubsub_topicPublicationDestroy(topicPub);
-		}
-		arrayList_destroy(topicPubList);
-	}
-
-	/* Now destroy the topicSubscriptions, but first put back the pubsub_endpoints back to the noSerializer pending list */
-	if(topicSubList!=NULL){
-		for(i=0;i<arrayList_size(topicSubList);i++){
-			topic_subscription_pt topicSub = (topic_subscription_pt)arrayList_get(topicSubList,i);
-			/* Stop the topic subscription */
-			pubsub_topicSubscriptionStop(topicSub);
-			/* Get the endpoints that are going to be orphan */
-			array_list_pt subList = pubsub_topicSubscriptionGetSubscribersList(topicSub);
-			for(j=0;j<arrayList_size(subList);j++){
-				pubsub_endpoint_pt subEP = (pubsub_endpoint_pt)arrayList_get(subList,j);
-				/* Remove the subscription */
-				pubsubAdmin_removeSubscription(admin, subEP);
-				/* Reset the endpoint field, so that will be recreated from scratch when a new serializer will be found */
-				if(subEP->endpoint!=NULL){
-					free(subEP->endpoint);
-					subEP->endpoint = NULL;
-				}
-				/* Add the orphan endpoint to the noSerializer pending list */
-				celixThreadMutex_lock(&admin->noSerializerPendingsLock);
-				arrayList_add(admin->noSerializerSubscriptions,subEP);
-				celixThreadMutex_unlock(&admin->noSerializerPendingsLock);
-			}
-
-			/* Cleanup also the subscriptions hashmap*/
-			celixThreadMutex_lock(&admin->subscriptionsLock);
-			hash_map_iterator_pt iter = hashMapIterator_create(admin->subscriptions);
-			char *key = NULL;
-			while(hashMapIterator_hasNext(iter)){
-				hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
-				topic_subscription_pt sub = (topic_subscription_pt)hashMapEntry_getValue(entry);
-				if(sub==topicSub){
-					key = (char*)hashMapEntry_getKey(entry);
-					break;
-				}
-			}
-			hashMapIterator_destroy(iter);
-			if(key!=NULL){
-				hashMap_remove(admin->subscriptions, key);
-				free(key);
-			}
-			celixThreadMutex_unlock(&admin->subscriptionsLock);
-
-			/* Finally destroy the topicSubscription */
-			pubsub_topicSubscriptionDestroy(topicSub);
-		}
-		arrayList_destroy(topicSubList);
-	}
-
-	printf("PSA_UDP_MC: %s serializer removed\n",serType);
-
-
-	return CELIX_SUCCESS;
-}
-
-celix_status_t pubsubAdmin_matchEndpoint(pubsub_admin_pt admin, pubsub_endpoint_pt endpoint, double* score){
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&admin->serializerListLock);
-	status = pubsub_admin_match(endpoint->topic_props,PUBSUB_ADMIN_TYPE,admin->serializerList,score);
-	celixThreadMutex_unlock(&admin->serializerListLock);
-
-	return status;
-}
-
-/* This one recall the same logic as in the match function */
-static celix_status_t pubsubAdmin_getBestSerializer(pubsub_admin_pt admin,pubsub_endpoint_pt ep, pubsub_serializer_service_t **serSvc){
-
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&admin->serializerListLock);
-	status = pubsub_admin_get_best_serializer(ep->topic_props, admin->serializerList, serSvc);
-	celixThreadMutex_unlock(&admin->serializerListLock);
-
-	return status;
-
-}
-
-static void connectTopicPubSubToSerializer(pubsub_admin_pt admin,pubsub_serializer_service_t *serializer,void *topicPubSub,bool isPublication){
-
-	celixThreadMutex_lock(&admin->usedSerializersLock);
-
-	hash_map_pt map = isPublication?admin->topicPublicationsPerSerializer:admin->topicSubscriptionsPerSerializer;
-	array_list_pt list = (array_list_pt)hashMap_get(map,serializer);
-	if(list==NULL){
-		arrayList_create(&list);
-		hashMap_put(map,serializer,list);
-	}
-	arrayList_add(list,topicPubSub);
-
-	celixThreadMutex_unlock(&admin->usedSerializersLock);
-
-}
-
-static void disconnectTopicPubSubFromSerializer(pubsub_admin_pt admin,void *topicPubSub,bool isPublication){
-
-	celixThreadMutex_lock(&admin->usedSerializersLock);
-
-	hash_map_pt map = isPublication?admin->topicPublicationsPerSerializer:admin->topicSubscriptionsPerSerializer;
-	hash_map_iterator_pt iter = hashMapIterator_create(map);
-	while(hashMapIterator_hasNext(iter)){
-		array_list_pt list = (array_list_pt)hashMapIterator_nextValue(iter);
-		if(arrayList_removeElement(list, topicPubSub)){ //Found it!
-			break;
-		}
-	}
-	hashMapIterator_destroy(iter);
-
-	celixThreadMutex_unlock(&admin->usedSerializersLock);
-
-}

http://git-wip-us.apache.org/repos/asf/celix/blob/2a670f26/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c
----------------------------------------------------------------------
diff --git a/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c b/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c
deleted file mode 100644
index e43ec29..0000000
--- a/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c
+++ /dev/null
@@ -1,444 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  htPSA_UDP_MC_TP://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * topic_publication.c
- *
- *  \date       Sep 24, 2015
- *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
- *  \copyright	Apache License, Version 2.0
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include "array_list.h"
-#include "celixbool.h"
-#include "service_registration.h"
-#include "utils.h"
-#include "service_factory.h"
-#include "version.h"
-
-#include "topic_publication.h"
-#include "pubsub_common.h"
-#include "publisher.h"
-#include "large_udp.h"
-
-#include "pubsub_serializer.h"
-
-#define EP_ADDRESS_LEN		32
-
-#define FIRST_SEND_DELAY	2
-
-struct topic_publication {
-	int sendSocket;
-	char* endpoint;
-	service_registration_pt svcFactoryReg;
-	array_list_pt pub_ep_list; //List<pubsub_endpoint>
-	hash_map_pt boundServices; //<bundle_pt,bound_service>
-	celix_thread_mutex_t tp_lock;
-	pubsub_serializer_service_t *serializer;
-	struct sockaddr_in destAddr;
-};
-
-typedef struct publish_bundle_bound_service {
-	topic_publication_pt parent;
-	pubsub_publisher_t service;
-	bundle_pt bundle;
-	char *scope;
-	char *topic;
-	hash_map_pt msgTypes;
-	unsigned short getCount;
-	celix_thread_mutex_t mp_lock;
-	largeUdp_pt largeUdpHandle;
-}* publish_bundle_bound_service_pt;
-
-
-typedef struct pubsub_msg{
-	pubsub_msg_header_pt header;
-	char* payload;
-	unsigned int payloadSize;
-} pubsub_msg_t;
-
-
-static unsigned int rand_range(unsigned int min, unsigned int max);
-
-static celix_status_t pubsub_topicPublicationGetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service);
-static celix_status_t pubsub_topicPublicationUngetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service);
-
-static publish_bundle_bound_service_pt pubsub_createPublishBundleBoundService(topic_publication_pt tp,bundle_pt bundle);
-static void pubsub_destroyPublishBundleBoundService(publish_bundle_bound_service_pt boundSvc);
-
-static int pubsub_topicPublicationSend(void* handle,unsigned int msgTypeId, const void *msg);
-
-static int pubsub_localMsgTypeIdForUUID(void* handle, const char* msgType, unsigned int* msgTypeId);
-
-
-static void delay_first_send_for_late_joiners(void);
-
-
-celix_status_t pubsub_topicPublicationCreate(int sendSocket, pubsub_endpoint_pt pubEP, pubsub_serializer_service_t *best_serializer, char* bindIP, topic_publication_pt *out){
-
-	char* ep = malloc(EP_ADDRESS_LEN);
-	memset(ep,0,EP_ADDRESS_LEN);
-	unsigned int port = pubEP->serviceID + rand_range(UDP_BASE_PORT+pubEP->serviceID+3, UDP_MAX_PORT);
-	snprintf(ep,EP_ADDRESS_LEN,"udp://%s:%u",bindIP,port);
-
-
-	topic_publication_pt pub = calloc(1,sizeof(*pub));
-
-	arrayList_create(&(pub->pub_ep_list));
-	pub->boundServices = hashMap_create(NULL,NULL,NULL,NULL);
-	celixThreadMutex_create(&(pub->tp_lock),NULL);
-
-	pub->endpoint = ep;
-	pub->sendSocket = sendSocket;
-	pub->destAddr.sin_family = AF_INET;
-	pub->destAddr.sin_addr.s_addr = inet_addr(bindIP);
-	pub->destAddr.sin_port = htons(port);
-
-	pub->serializer = best_serializer;
-
-	pubsub_topicPublicationAddPublisherEP(pub,pubEP);
-
-	*out = pub;
-
-	return CELIX_SUCCESS;
-}
-
-celix_status_t pubsub_topicPublicationDestroy(topic_publication_pt pub){
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&(pub->tp_lock));
-
-	free(pub->endpoint);
-	arrayList_destroy(pub->pub_ep_list);
-
-	hash_map_iterator_pt iter = hashMapIterator_create(pub->boundServices);
-	while(hashMapIterator_hasNext(iter)){
-		publish_bundle_bound_service_pt bound = hashMapIterator_nextValue(iter);
-		pubsub_destroyPublishBundleBoundService(bound);
-	}
-	hashMapIterator_destroy(iter);
-	hashMap_destroy(pub->boundServices,false,false);
-
-	pub->svcFactoryReg = NULL;
-	pub->serializer = NULL;
-
-	if(close(pub->sendSocket) != 0){
-		status = CELIX_FILE_IO_EXCEPTION;
-	}
-
-	celixThreadMutex_unlock(&(pub->tp_lock));
-
-	celixThreadMutex_destroy(&(pub->tp_lock));
-
-	free(pub);
-
-	return status;
-}
-
-celix_status_t pubsub_topicPublicationStart(bundle_context_pt bundle_context,topic_publication_pt pub,service_factory_pt* svcFactory){
-	celix_status_t status = CELIX_SUCCESS;
-
-	/* Let's register the new service */
-
-	pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(pub->pub_ep_list,0);
-
-	if(pubEP!=NULL){
-		service_factory_pt factory = calloc(1, sizeof(*factory));
-		factory->handle = pub;
-		factory->getService = pubsub_topicPublicationGetService;
-		factory->ungetService = pubsub_topicPublicationUngetService;
-
-		properties_pt props = properties_create();
-		properties_set(props,PUBSUB_PUBLISHER_SCOPE,pubEP->scope);
-		properties_set(props,PUBSUB_PUBLISHER_TOPIC,pubEP->topic);
-
-		status = bundleContext_registerServiceFactory(bundle_context,PUBSUB_PUBLISHER_SERVICE_NAME,factory,props,&(pub->svcFactoryReg));
-
-		if(status != CELIX_SUCCESS){
-			properties_destroy(props);
-			printf("PSA_UDP_MC_PSA_UDP_MC_TP: Cannot register ServiceFactory for topic %s, topic %s (bundle %ld).\n",pubEP->scope, pubEP->topic,pubEP->serviceID);
-		}
-		else{
-			*svcFactory = factory;
-		}
-	}
-	else{
-		printf("PSA_UDP_MC_PSA_UDP_MC_TP: Cannot find pubsub_endpoint after adding it...Should never happen!\n");
-		status = CELIX_SERVICE_EXCEPTION;
-	}
-
-	return status;
-}
-
-celix_status_t pubsub_topicPublicationStop(topic_publication_pt pub){
-	return serviceRegistration_unregister(pub->svcFactoryReg);
-}
-
-celix_status_t pubsub_topicPublicationAddPublisherEP(topic_publication_pt pub,pubsub_endpoint_pt ep){
-
-	celixThreadMutex_lock(&(pub->tp_lock));
-	ep->endpoint = strdup(pub->endpoint);
-	arrayList_add(pub->pub_ep_list,ep);
-	celixThreadMutex_unlock(&(pub->tp_lock));
-
-	return CELIX_SUCCESS;
-}
-
-celix_status_t pubsub_topicPublicationRemovePublisherEP(topic_publication_pt pub,pubsub_endpoint_pt ep){
-
-	celixThreadMutex_lock(&(pub->tp_lock));
-	arrayList_removeElement(pub->pub_ep_list,ep);
-	celixThreadMutex_unlock(&(pub->tp_lock));
-
-	return CELIX_SUCCESS;
-}
-
-array_list_pt pubsub_topicPublicationGetPublisherList(topic_publication_pt pub){
-	array_list_pt list = NULL;
-	celixThreadMutex_lock(&(pub->tp_lock));
-	list = arrayList_clone(pub->pub_ep_list);
-	celixThreadMutex_unlock(&(pub->tp_lock));
-	return list;
-}
-
-
-static celix_status_t pubsub_topicPublicationGetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service) {
-	celix_status_t  status = CELIX_SUCCESS;
-
-	topic_publication_pt publish = (topic_publication_pt)handle;
-
-	celixThreadMutex_lock(&(publish->tp_lock));
-
-	publish_bundle_bound_service_pt bound = (publish_bundle_bound_service_pt)hashMap_get(publish->boundServices,bundle);
-	if(bound==NULL){
-		bound = pubsub_createPublishBundleBoundService(publish,bundle);
-		if(bound!=NULL){
-			hashMap_put(publish->boundServices,bundle,bound);
-		}
-	}
-	else{
-		bound->getCount++;
-	}
-
-	if (bound != NULL) {
-		*service = &bound->service;
-	}
-
-	celixThreadMutex_unlock(&(publish->tp_lock));
-
-	return status;
-}
-
-static celix_status_t pubsub_topicPublicationUngetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service)  {
-
-	topic_publication_pt publish = (topic_publication_pt)handle;
-
-	celixThreadMutex_lock(&(publish->tp_lock));
-
-	publish_bundle_bound_service_pt bound = (publish_bundle_bound_service_pt)hashMap_get(publish->boundServices,bundle);
-	if(bound!=NULL){
-
-		bound->getCount--;
-		if(bound->getCount==0){
-			pubsub_destroyPublishBundleBoundService(bound);
-			hashMap_remove(publish->boundServices,bundle);
-		}
-
-	}
-	else{
-		long bundleId = -1;
-		bundle_getBundleId(bundle,&bundleId);
-		printf("PSA_UDP_MC_TP: Unexpected ungetService call for bundle %ld.\n", bundleId);
-	}
-
-	/* service should be never used for unget, so let's set the pointer to NULL */
-	*service = NULL;
-
-	celixThreadMutex_unlock(&(publish->tp_lock));
-
-	return CELIX_SUCCESS;
-}
-
-static bool send_pubsub_msg(publish_bundle_bound_service_pt bound, pubsub_msg_t* msg, bool last, pubsub_release_callback_t *releaseCallback){
-	const int iovec_len = 3; // header + size + payload
-	bool ret = true;
-
-	struct iovec msg_iovec[iovec_len];
-	msg_iovec[0].iov_base = msg->header;
-	msg_iovec[0].iov_len = sizeof(*msg->header);
-	msg_iovec[1].iov_base = &msg->payloadSize;
-	msg_iovec[1].iov_len = sizeof(msg->payloadSize);
-	msg_iovec[2].iov_base = msg->payload;
-	msg_iovec[2].iov_len = msg->payloadSize;
-
-	delay_first_send_for_late_joiners();
-
-	if(largeUdp_sendmsg(bound->largeUdpHandle, bound->parent->sendSocket, msg_iovec, iovec_len, 0, &bound->parent->destAddr, sizeof(bound->parent->destAddr)) == -1) {
-		perror("send_pubsub_msg:sendSocket");
-		ret = false;
-	}
-
-	if(releaseCallback) {
-		releaseCallback->release(msg->payload, bound);
-	}
-	return ret;
-
-}
-
-
-static int pubsub_topicPublicationSend(void* handle, unsigned int msgTypeId, const void *inMsg) {
-	int status = 0;
-	publish_bundle_bound_service_pt bound = (publish_bundle_bound_service_pt) handle;
-
-	celixThreadMutex_lock(&(bound->parent->tp_lock));
-	celixThreadMutex_lock(&(bound->mp_lock));
-
-	pubsub_msg_serializer_t* msgSer = (pubsub_msg_serializer_t*)hashMap_get(bound->msgTypes, (void*)(uintptr_t)msgTypeId);
-
-	if (msgSer != NULL) {
-		int major=0, minor=0;
-
-		pubsub_msg_header_pt msg_hdr = calloc(1,sizeof(struct pubsub_msg_header));
-		strncpy(msg_hdr->topic,bound->topic,MAX_TOPIC_LEN-1);
-		msg_hdr->type = msgTypeId;
-
-
-		if (msgSer->msgVersion != NULL){
-			version_getMajor(msgSer->msgVersion, &major);
-			version_getMinor(msgSer->msgVersion, &minor);
-			msg_hdr->major = major;
-			msg_hdr->minor = minor;
-		}
-
-		void* serializedOutput = NULL;
-		size_t serializedOutputLen = 0;
-		msgSer->serialize(msgSer,inMsg,&serializedOutput, &serializedOutputLen);
-
-		pubsub_msg_t *msg = calloc(1,sizeof(pubsub_msg_t));
-		msg->header = msg_hdr;
-		msg->payload = (char*)serializedOutput;
-		msg->payloadSize = serializedOutputLen;
-
-
-		if(send_pubsub_msg(bound, msg,true, NULL) == false) {
-			status = -1;
-		}
-		free(msg_hdr);
-		free(msg);
-		free(serializedOutput);
-
-
-	} else {
-		printf("PSA_UDP_MC_TP: No msg serializer available for msg type id %d\n", msgTypeId);
-		status=-1;
-	}
-
-	celixThreadMutex_unlock(&(bound->mp_lock));
-	celixThreadMutex_unlock(&(bound->parent->tp_lock));
-
-	return status;
-}
-
-static int pubsub_localMsgTypeIdForUUID(void* handle, const char* msgType, unsigned int* msgTypeId){
-	*msgTypeId = utils_stringHash(msgType);
-	return 0;
-}
-
-
-static unsigned int rand_range(unsigned int min, unsigned int max){
-
-	double scaled = (double)(((double)random())/((double)RAND_MAX));
-	return (max-min+1)*scaled + min;
-
-}
-
-static publish_bundle_bound_service_pt pubsub_createPublishBundleBoundService(topic_publication_pt tp,bundle_pt bundle){
-
-	publish_bundle_bound_service_pt bound = calloc(1, sizeof(*bound));
-
-	if (bound != NULL) {
-
-		bound->parent = tp;
-		bound->bundle = bundle;
-		bound->getCount = 1;
-		celixThreadMutex_create(&bound->mp_lock,NULL);
-
-		if(tp->serializer != NULL){
-			tp->serializer->createSerializerMap(tp->serializer->handle,bundle,&bound->msgTypes);
-		}
-
-		pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(bound->parent->pub_ep_list,0);
-		bound->scope=strdup(pubEP->scope);
-		bound->topic=strdup(pubEP->topic);
-		bound->largeUdpHandle = largeUdp_create(1);
-
-		bound->service.handle = bound;
-		bound->service.localMsgTypeIdForMsgType = pubsub_localMsgTypeIdForUUID;
-		bound->service.send = pubsub_topicPublicationSend;
-		bound->service.sendMultipart = NULL;  //Multipart not supported for UDP
-
-	}
-
-	return bound;
-}
-
-static void pubsub_destroyPublishBundleBoundService(publish_bundle_bound_service_pt boundSvc){
-
-	celixThreadMutex_lock(&boundSvc->mp_lock);
-
-	if(boundSvc->parent->serializer != NULL && boundSvc->msgTypes != NULL){
-		boundSvc->parent->serializer->destroySerializerMap(boundSvc->parent->serializer->handle, boundSvc->msgTypes);
-	}
-
-	if(boundSvc->scope!=NULL){
-		free(boundSvc->scope);
-	}
-
-	if(boundSvc->topic!=NULL){
-		free(boundSvc->topic);
-	}
-
-	largeUdp_destroy(boundSvc->largeUdpHandle);
-
-	celixThreadMutex_unlock(&boundSvc->mp_lock);
-	celixThreadMutex_destroy(&boundSvc->mp_lock);
-
-	free(boundSvc);
-
-}
-
-static void delay_first_send_for_late_joiners(){
-
-	static bool firstSend = true;
-
-	if(firstSend){
-		printf("PSA_UDP_MC_TP: Delaying first send for late joiners...\n");
-		sleep(FIRST_SEND_DELAY);
-		firstSend = false;
-	}
-}

http://git-wip-us.apache.org/repos/asf/celix/blob/2a670f26/pubsub/pubsub_admin_udp_mc/private/src/topic_subscription.c
----------------------------------------------------------------------
diff --git a/pubsub/pubsub_admin_udp_mc/private/src/topic_subscription.c b/pubsub/pubsub_admin_udp_mc/private/src/topic_subscription.c
deleted file mode 100644
index d8e6f45..0000000
--- a/pubsub/pubsub_admin_udp_mc/private/src/topic_subscription.c
+++ /dev/null
@@ -1,635 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * topic_subscription.c
- *
- *  \date       Oct 2, 2015
- *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
- *  \copyright	Apache License, Version 2.0
- */
-
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/epoll.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include "utils.h"
-#include "celix_errno.h"
-#include "constants.h"
-#include "version.h"
-
-#include "topic_subscription.h"
-#include "topic_publication.h"
-#include "subscriber.h"
-#include "publisher.h"
-#include "large_udp.h"
-
-#include "pubsub_serializer.h"
-
-#define MAX_EPOLL_EVENTS        10
-#define RECV_THREAD_TIMEOUT     5
-#define UDP_BUFFER_SIZE         65535
-#define MAX_UDP_SESSIONS        16
-
-struct topic_subscription{
-	char* ifIpAddress;
-	service_tracker_pt tracker;
-	array_list_pt sub_ep_list;
-	celix_thread_t recv_thread;
-	bool running;
-	celix_thread_mutex_t ts_lock;
-	bundle_context_pt context;
-
-	pubsub_serializer_service_t *serializer;
-
-	int topicEpollFd; // EPOLL filedescriptor where the sockets are registered.
-	hash_map_pt servicesMap; // key = service, value = msg types map
-	hash_map_pt socketMap; // key = URL, value = listen-socket
-	celix_thread_mutex_t socketMap_lock;
-
-	celix_thread_mutex_t pendingConnections_lock;
-	array_list_pt pendingConnections;
-
-	array_list_pt pendingDisconnections;
-	celix_thread_mutex_t pendingDisconnections_lock;
-
-	//array_list_pt rawServices;
-	unsigned int nrSubscribers;
-	largeUdp_pt largeUdpHandle;
-};
-
-typedef struct msg_map_entry{
-	bool retain;
-	void* msgInst;
-}* msg_map_entry_pt;
-
-static celix_status_t topicsub_subscriberTracked(void * handle, service_reference_pt reference, void * service);
-static celix_status_t topicsub_subscriberUntracked(void * handle, service_reference_pt reference, void * service);
-static void* udp_recv_thread_func(void* arg);
-static bool checkVersion(version_pt msgVersion,pubsub_msg_header_pt hdr);
-static void sigusr1_sighandler(int signo);
-static int pubsub_localMsgTypeIdForMsgType(void* handle, const char* msgType, unsigned int* msgTypeId);
-static void connectPendingPublishers(topic_subscription_pt sub);
-static void disconnectPendingPublishers(topic_subscription_pt sub);
-
-
-celix_status_t pubsub_topicSubscriptionCreate(bundle_context_pt bundle_context, char* ifIp,char* scope, char* topic ,pubsub_serializer_service_t *best_serializer, topic_subscription_pt* out){
-	celix_status_t status = CELIX_SUCCESS;
-
-	topic_subscription_pt ts = (topic_subscription_pt) calloc(1,sizeof(*ts));
-	ts->context = bundle_context;
-	ts->ifIpAddress = strdup(ifIp);
-#if defined(__APPLE__) && defined(__MACH__)
-	//TODO: Use kqueue for OSX
-#else
-	ts->topicEpollFd = epoll_create1(0);
-#endif
-	if(ts->topicEpollFd == -1) {
-		status += CELIX_SERVICE_EXCEPTION;
-	}
-
-	ts->running = false;
-	ts->nrSubscribers = 0;
-	ts->serializer = best_serializer;
-
-	celixThreadMutex_create(&ts->ts_lock,NULL);
-	arrayList_create(&ts->sub_ep_list);
-	ts->servicesMap = hashMap_create(NULL, NULL, NULL, NULL);
-	ts->socketMap =  hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
-
-	arrayList_create(&ts->pendingConnections);
-	arrayList_create(&ts->pendingDisconnections);
-	celixThreadMutex_create(&ts->pendingConnections_lock, NULL);
-	celixThreadMutex_create(&ts->pendingDisconnections_lock, NULL);
-	celixThreadMutex_create(&ts->socketMap_lock, NULL);
-
-	ts->largeUdpHandle = largeUdp_create(MAX_UDP_SESSIONS);
-
-	char filter[128];
-	memset(filter,0,128);
-	if(strncmp(PUBSUB_SUBSCRIBER_SCOPE_DEFAULT, scope, strlen(PUBSUB_SUBSCRIBER_SCOPE_DEFAULT)) == 0) {
-		// default scope, means that subscriber has not defined a scope property
-		snprintf(filter, 128, "(&(%s=%s)(%s=%s))",
-				(char*) OSGI_FRAMEWORK_OBJECTCLASS, PUBSUB_SUBSCRIBER_SERVICE_NAME,
-				PUBSUB_SUBSCRIBER_TOPIC,topic);
-
-	} else {
-		snprintf(filter, 128, "(&(%s=%s)(%s=%s)(%s=%s))",
-				(char*) OSGI_FRAMEWORK_OBJECTCLASS, PUBSUB_SUBSCRIBER_SERVICE_NAME,
-				PUBSUB_SUBSCRIBER_TOPIC,topic,
-				PUBSUB_SUBSCRIBER_SCOPE,scope);
-	}
-
-	service_tracker_customizer_pt customizer = NULL;
-	status += serviceTrackerCustomizer_create(ts,NULL,topicsub_subscriberTracked,NULL,topicsub_subscriberUntracked,&customizer);
-	status += serviceTracker_createWithFilter(bundle_context, filter, customizer, &ts->tracker);
-
-	struct sigaction actions;
-	memset(&actions, 0, sizeof(actions));
-	sigemptyset(&actions.sa_mask);
-	actions.sa_flags = 0;
-	actions.sa_handler = sigusr1_sighandler;
-
-	sigaction(SIGUSR1,&actions,NULL);
-
-	if (status == CELIX_SUCCESS) {
-		*out=ts;
-	}
-
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionDestroy(topic_subscription_pt ts){
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&ts->ts_lock);
-	ts->running = false;
-	free(ts->ifIpAddress);
-	serviceTracker_destroy(ts->tracker);
-	arrayList_clear(ts->sub_ep_list);
-	arrayList_destroy(ts->sub_ep_list);
-	hashMap_destroy(ts->servicesMap,false,false);
-
-	celixThreadMutex_lock(&ts->socketMap_lock);
-	hashMap_destroy(ts->socketMap,true,true);
-	celixThreadMutex_unlock(&ts->socketMap_lock);
-	celixThreadMutex_destroy(&ts->socketMap_lock);
-
-	celixThreadMutex_lock(&ts->pendingConnections_lock);
-	arrayList_destroy(ts->pendingConnections);
-	celixThreadMutex_unlock(&ts->pendingConnections_lock);
-	celixThreadMutex_destroy(&ts->pendingConnections_lock);
-
-	celixThreadMutex_lock(&ts->pendingDisconnections_lock);
-	arrayList_destroy(ts->pendingDisconnections);
-	celixThreadMutex_unlock(&ts->pendingDisconnections_lock);
-	celixThreadMutex_destroy(&ts->pendingDisconnections_lock);
-
-	largeUdp_destroy(ts->largeUdpHandle);
-#if defined(__APPLE__) && defined(__MACH__)
-	//TODO: Use kqueue for OSX
-#else
-	close(ts->topicEpollFd);
-#endif
-
-	celixThreadMutex_unlock(&ts->ts_lock);
-
-	celixThreadMutex_destroy(&ts->ts_lock);
-
-	free(ts);
-
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionStart(topic_subscription_pt ts){
-	celix_status_t status = CELIX_SUCCESS;
-
-	status = serviceTracker_open(ts->tracker);
-
-	ts->running = true;
-
-	if(status==CELIX_SUCCESS){
-		status=celixThread_create(&ts->recv_thread,NULL,udp_recv_thread_func,ts);
-	}
-
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionStop(topic_subscription_pt ts){
-	celix_status_t status = CELIX_SUCCESS;
-	struct epoll_event ev;
-	memset(&ev, 0, sizeof(ev));
-
-	ts->running = false;
-
-	pthread_kill(ts->recv_thread.thread,SIGUSR1);
-
-	celixThread_join(ts->recv_thread,NULL);
-
-	status = serviceTracker_close(ts->tracker);
-
-	celixThreadMutex_lock(&ts->socketMap_lock);
-	hash_map_iterator_pt it = hashMapIterator_create(ts->socketMap);
-	while(hashMapIterator_hasNext(it)) {
-		hash_map_entry_pt entry = hashMapIterator_nextEntry(it);
-		char *url = hashMapEntry_getKey(entry);
-		int *s = hashMapEntry_getValue(entry);
-		memset(&ev, 0, sizeof(ev));
-		if(epoll_ctl(ts->topicEpollFd, EPOLL_CTL_DEL, *s, &ev) == -1) {
-			printf("in if error()\n");
-			perror("epoll_ctl() EPOLL_CTL_DEL");
-			status += CELIX_SERVICE_EXCEPTION;
-		}
-		free(s);
-		free(url);
-		//hashMapIterator_remove(it);
-	}
-	hashMapIterator_destroy(it);
-	hashMap_clear(ts->socketMap, false, false);
-	celixThreadMutex_unlock(&ts->socketMap_lock);
-
-
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionConnectPublisher(topic_subscription_pt ts, char* pubURL) {
-
-	printf("pubsub_topicSubscriptionConnectPublisher : pubURL = %s\n", pubURL);
-
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&ts->socketMap_lock);
-
-	if(!hashMap_containsKey(ts->socketMap, pubURL)){
-
-		int *recvSocket = calloc(sizeof(int), 1);
-		*recvSocket = socket(AF_INET, SOCK_DGRAM, 0);
-		if (*recvSocket < 0) {
-			perror("pubsub_topicSubscriptionCreate:socket");
-			status = CELIX_SERVICE_EXCEPTION;
-		}
-
-		if (status == CELIX_SUCCESS){
-			int reuse = 1;
-			if (setsockopt(*recvSocket, SOL_SOCKET, SO_REUSEADDR, (char*) &reuse, sizeof(reuse)) != 0) {
-				perror("setsockopt() SO_REUSEADDR");
-				status = CELIX_SERVICE_EXCEPTION;
-			}
-		}
-
-		if(status == CELIX_SUCCESS){
-			// TODO Check if there is a better way to parse the URL to IP/Portnr
-			//replace ':' by spaces
-			char *url = strdup(pubURL);
-			char *pt = url;
-			while((pt=strchr(pt, ':')) != NULL) {
-				*pt = ' ';
-			}
-			char mcIp[100];
-			unsigned short mcPort;
-			sscanf(url, "udp //%s %hu", mcIp, &mcPort);
-			free(url);
-
-			printf("pubsub_topicSubscriptionConnectPublisher : IP = %s, Port = %hu\n", mcIp, mcPort);
-
-			struct ip_mreq mc_addr;
-			mc_addr.imr_multiaddr.s_addr = inet_addr(mcIp);
-			mc_addr.imr_interface.s_addr = inet_addr(ts->ifIpAddress);
-			printf("Adding MC %s at interface %s\n", mcIp, ts->ifIpAddress);
-			if (setsockopt(*recvSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char*) &mc_addr, sizeof(mc_addr)) != 0) {
-				perror("setsockopt() IP_ADD_MEMBERSHIP");
-				status = CELIX_SERVICE_EXCEPTION;
-			}
-
-			if (status == CELIX_SUCCESS){
-				struct sockaddr_in mcListenAddr;
-				mcListenAddr.sin_family = AF_INET;
-				mcListenAddr.sin_addr.s_addr = INADDR_ANY;
-				mcListenAddr.sin_port = htons(mcPort);
-				if(bind(*recvSocket, (struct sockaddr*)&mcListenAddr, sizeof(mcListenAddr)) != 0) {
-					perror("bind()");
-					status = CELIX_SERVICE_EXCEPTION;
-				}
-			}
-
-			if (status == CELIX_SUCCESS){
-#if defined(__APPLE__) && defined(__MACH__)
-				//TODO: Use kqueue for OSX
-#else
-				struct epoll_event ev;
-				memset(&ev, 0, sizeof(ev));
-				ev.events = EPOLLIN;
-				ev.data.fd = *recvSocket;
-				if(epoll_ctl(ts->topicEpollFd, EPOLL_CTL_ADD, *recvSocket, &ev) == -1) {
-					perror("epoll_ctl() EPOLL_CTL_ADD");
-					status = CELIX_SERVICE_EXCEPTION;
-				}
-#endif
-			}
-
-		}
-
-		if (status == CELIX_SUCCESS){
-			hashMap_put(ts->socketMap, strdup(pubURL), (void*)recvSocket);
-		}
-		else{
-			free(recvSocket);
-		}
-	}
-
-	celixThreadMutex_unlock(&ts->socketMap_lock);
-
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionAddConnectPublisherToPendingList(topic_subscription_pt ts, char* pubURL) {
-	celix_status_t status = CELIX_SUCCESS;
-	char *url = strdup(pubURL);
-	celixThreadMutex_lock(&ts->pendingConnections_lock);
-	arrayList_add(ts->pendingConnections, url);
-	celixThreadMutex_unlock(&ts->pendingConnections_lock);
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionAddDisconnectPublisherToPendingList(topic_subscription_pt ts, char* pubURL) {
-	celix_status_t status = CELIX_SUCCESS;
-	char *url = strdup(pubURL);
-	celixThreadMutex_lock(&ts->pendingDisconnections_lock);
-	arrayList_add(ts->pendingDisconnections, url);
-	celixThreadMutex_unlock(&ts->pendingDisconnections_lock);
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionDisconnectPublisher(topic_subscription_pt ts, char* pubURL){
-	printf("pubsub_topicSubscriptionDisconnectPublisher : pubURL = %s\n", pubURL);
-	celix_status_t status = CELIX_SUCCESS;
-	struct epoll_event ev;
-	memset(&ev, 0, sizeof(ev));
-
-	celixThreadMutex_lock(&ts->socketMap_lock);
-
-	if (hashMap_containsKey(ts->socketMap, pubURL)){
-
-#if defined(__APPLE__) && defined(__MACH__)
-		//TODO: Use kqueue for OSX
-#else
-		int *s = hashMap_remove(ts->socketMap, pubURL);
-		if(epoll_ctl(ts->topicEpollFd, EPOLL_CTL_DEL, *s, &ev) == -1) {
-			printf("in if error()\n");
-			perror("epoll_ctl() EPOLL_CTL_DEL");
-			status = CELIX_SERVICE_EXCEPTION;
-		}
-		free(s);
-#endif
-
-	}
-
-	celixThreadMutex_unlock(&ts->socketMap_lock);
-
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionAddSubscriber(topic_subscription_pt ts, pubsub_endpoint_pt subEP){
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&ts->ts_lock);
-	arrayList_add(ts->sub_ep_list,subEP);
-	celixThreadMutex_unlock(&ts->ts_lock);
-
-	return status;
-
-}
-
-celix_status_t pubsub_topicIncreaseNrSubscribers(topic_subscription_pt ts) {
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&ts->ts_lock);
-	ts->nrSubscribers++;
-	celixThreadMutex_unlock(&ts->ts_lock);
-
-	return status;
-}
-
-celix_status_t pubsub_topicSubscriptionRemoveSubscriber(topic_subscription_pt ts, pubsub_endpoint_pt subEP){
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&ts->ts_lock);
-	arrayList_removeElement(ts->sub_ep_list,subEP);
-	celixThreadMutex_unlock(&ts->ts_lock);
-
-	return status;
-}
-
-celix_status_t pubsub_topicDecreaseNrSubscribers(topic_subscription_pt ts) {
-	celix_status_t status = CELIX_SUCCESS;
-
-	celixThreadMutex_lock(&ts->ts_lock);
-	ts->nrSubscribers--;
-	celixThreadMutex_unlock(&ts->ts_lock);
-
-	return status;
-}
-
-unsigned int pubsub_topicGetNrSubscribers(topic_subscription_pt ts) {
-	return ts->nrSubscribers;
-}
-
-array_list_pt pubsub_topicSubscriptionGetSubscribersList(topic_subscription_pt sub){
-	return sub->sub_ep_list;
-}
-
-
-static celix_status_t topicsub_subscriberTracked(void * handle, service_reference_pt reference, void * service){
-	celix_status_t status = CELIX_SUCCESS;
-	topic_subscription_pt ts = handle;
-
-	celixThreadMutex_lock(&ts->ts_lock);
-	if (!hashMap_containsKey(ts->servicesMap, service)) {
-		bundle_pt bundle = NULL;
-		hash_map_pt msgTypes = NULL;
-
-		serviceReference_getBundle(reference, &bundle);
-
-		if(ts->serializer != NULL && bundle!=NULL){
-			ts->serializer->createSerializerMap(ts->serializer->handle,bundle,&msgTypes);
-			if(msgTypes != NULL){
-				hashMap_put(ts->servicesMap, service, msgTypes);
-				printf("PSA_UDP_MC_TS: New subscriber registered.\n");
-			}
-		}
-		else{
-			printf("PSA_UDP_MC_TS: Cannot register new subscriber.\n");
-			status = CELIX_SERVICE_EXCEPTION;
-		}
-	}
-	celixThreadMutex_unlock(&ts->ts_lock);
-
-	return status;
-
-}
-
-static celix_status_t topicsub_subscriberUntracked(void * handle, service_reference_pt reference, void * service){
-	celix_status_t status = CELIX_SUCCESS;
-	topic_subscription_pt ts = handle;
-
-	celixThreadMutex_lock(&ts->ts_lock);
-	if (hashMap_containsKey(ts->servicesMap, service)) {
-		hash_map_pt msgTypes = hashMap_remove(ts->servicesMap, service);
-		if(msgTypes!=NULL && ts->serializer!=NULL){
-			ts->serializer->destroySerializerMap(ts->serializer->handle,msgTypes);
-			printf("PSA_ZMQ_TS: Subscriber unregistered.\n");
-		}
-		else{
-			printf("PSA_ZMQ_TS: Cannot unregister subscriber.\n");
-			status = CELIX_SERVICE_EXCEPTION;
-		}
-	}
-	celixThreadMutex_unlock(&ts->ts_lock);
-
-	printf("PSA_UDP_MC_TS: Subscriber unregistered.\n");
-	return status;
-}
-
-
-static void process_msg(topic_subscription_pt sub,pubsub_udp_msg_t *msg){
-
-	celixThreadMutex_lock(&sub->ts_lock);
-	hash_map_iterator_pt iter = hashMapIterator_create(sub->servicesMap);
-	while (hashMapIterator_hasNext(iter)) {
-		hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
-		pubsub_subscriber_pt subsvc = hashMapEntry_getKey(entry);
-		hash_map_pt msgTypes = hashMapEntry_getValue(entry);
-
-		pubsub_msg_serializer_t *msgSer = hashMap_get(msgTypes,(void*)(uintptr_t )msg->header.type);
-		if (msgSer == NULL) {
-			printf("PSA_UDP_MC_TS: Serializer not available for message %d.\n",msg->header.type);
-		}
-		else{
-			void *msgInst = NULL;
-			bool validVersion = checkVersion(msgSer->msgVersion,&msg->header);
-
-			if(validVersion){
-
-				celix_status_t status = msgSer->deserialize(msgSer, (const void *) msg->payload, 0, &msgInst);
-
-				if (status == CELIX_SUCCESS) {
-					bool release = true;
-					pubsub_multipart_callbacks_t mp_callbacks;
-					mp_callbacks.handle = sub;
-					mp_callbacks.localMsgTypeIdForMsgType = pubsub_localMsgTypeIdForMsgType;
-					mp_callbacks.getMultipart = NULL;
-
-					subsvc->receive(subsvc->handle, msgSer->msgName, msg->header.type, msgInst, &mp_callbacks, &release);
-
-					if(release){
-						msgSer->freeMsg(msgSer,msgInst);
-					}
-				}
-				else{
-					printf("PSA_UDP_MC_TS: Cannot deserialize msgType %s.\n",msgSer->msgName);
-				}
-
-			}
-			else{
-				int major=0,minor=0;
-				version_getMajor(msgSer->msgVersion,&major);
-				version_getMinor(msgSer->msgVersion,&minor);
-				printf("PSA_UDP_MC_TS: Version mismatch for primary message '%s' (have %d.%d, received %u.%u). NOT sending any part of the whole message.\n",
-						msgSer->msgName,major,minor,msg->header.major,msg->header.minor);
-			}
-
-		}
-	}
-	hashMapIterator_destroy(iter);
-	celixThreadMutex_unlock(&sub->ts_lock);
-}
-
-static void* udp_recv_thread_func(void * arg) {
-	topic_subscription_pt sub = (topic_subscription_pt) arg;
-
-#if defined(__APPLE__) && defined(__MACH__)
-	//TODO: use kqueue for OSX
-	//struct kevent events[MAX_EPOLL_EVENTS];
-	while (sub->running) {
-		int nfds = 0;
-		if(nfds > 0) {
-			pubsub_udp_msg_t* udpMsg = NULL;
-			process_msg(sub, udpMsg);
-		}
-	}
-#else
-	struct epoll_event events[MAX_EPOLL_EVENTS];
-
-	while (sub->running) {
-		int nfds = epoll_wait(sub->topicEpollFd, events, MAX_EPOLL_EVENTS, RECV_THREAD_TIMEOUT * 1000);
-		int i;
-		for(i = 0; i < nfds; i++ ) {
-			unsigned int index;
-			unsigned int size;
-			if(largeUdp_dataAvailable(sub->largeUdpHandle, events[i].data.fd, &index, &size) == true) {
-				// Handle data
-				pubsub_udp_msg_t *udpMsg = NULL;
-				if(largeUdp_read(sub->largeUdpHandle, index, (void**)&udpMsg, size) != 0) {
-					printf("PSA_UDP_MC_TS: ERROR largeUdp_read with index %d\n", index);
-					continue;
-				}
-
-				process_msg(sub, udpMsg);
-
-				free(udpMsg);
-			}
-		}
-		connectPendingPublishers(sub);
-		disconnectPendingPublishers(sub);
-	}
-#endif
-
-	return NULL;
-}
-
-static void connectPendingPublishers(topic_subscription_pt sub) {
-	celixThreadMutex_lock(&sub->pendingConnections_lock);
-	while(!arrayList_isEmpty(sub->pendingConnections)) {
-		char * pubEP = arrayList_remove(sub->pendingConnections, 0);
-		pubsub_topicSubscriptionConnectPublisher(sub, pubEP);
-		free(pubEP);
-	}
-	celixThreadMutex_unlock(&sub->pendingConnections_lock);
-}
-
-static void disconnectPendingPublishers(topic_subscription_pt sub) {
-	celixThreadMutex_lock(&sub->pendingDisconnections_lock);
-	while(!arrayList_isEmpty(sub->pendingDisconnections)) {
-		char * pubEP = arrayList_remove(sub->pendingDisconnections, 0);
-		pubsub_topicSubscriptionDisconnectPublisher(sub, pubEP);
-		free(pubEP);
-	}
-	celixThreadMutex_unlock(&sub->pendingDisconnections_lock);
-}
-
-static void sigusr1_sighandler(int signo){
-	printf("PSA_UDP_MC_TS: Topic subscription being shut down...\n");
-	return;
-}
-
-static bool checkVersion(version_pt msgVersion,pubsub_msg_header_pt hdr){
-	bool check=false;
-	int major=0,minor=0;
-
-	if(msgVersion!=NULL){
-		version_getMajor(msgVersion,&major);
-		version_getMinor(msgVersion,&minor);
-		if(hdr->major==((unsigned char)major)){ /* Different major means incompatible */
-			check = (hdr->minor>=((unsigned char)minor)); /* Compatible only if the provider has a minor equals or greater (means compatible update) */
-		}
-	}
-
-	return check;
-}
-
-static int pubsub_localMsgTypeIdForMsgType(void* handle, const char* msgType, unsigned int* msgTypeId){
-	*msgTypeId = utils_stringHash(msgType);
-	return 0;
-}

http://git-wip-us.apache.org/repos/asf/celix/blob/2a670f26/pubsub/pubsub_admin_udp_mc/src/large_udp.c
----------------------------------------------------------------------
diff --git a/pubsub/pubsub_admin_udp_mc/src/large_udp.c b/pubsub/pubsub_admin_udp_mc/src/large_udp.c
new file mode 100644
index 0000000..7455925
--- /dev/null
+++ b/pubsub/pubsub_admin_udp_mc/src/large_udp.c
@@ -0,0 +1,372 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * large_udp.c
+ *
+ *  \date       Mar 1, 2016
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#include "large_udp.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <array_list.h>
+#include <pthread.h>
+
+#define MAX_UDP_MSG_SIZE 65535   /* 2^16 -1 */
+#define IP_HEADER_SIZE  20
+#define UDP_HEADER_SIZE 8
+//#define MTU_SIZE    1500
+#define MTU_SIZE    8000
+#define MAX_MSG_VECTOR_LEN 64
+
+//#define NO_IP_FRAGMENTATION
+
+struct largeUdp {
+	unsigned int maxNrLists;
+	array_list_pt udpPartLists;
+	pthread_mutex_t dbLock;
+};
+
+typedef struct udpPartList {
+	unsigned int msg_ident;
+	unsigned int msg_size;
+	unsigned int nrPartsRemaining;
+	char *data;
+} *udpPartList_pt;
+
+
+typedef struct msg_part_header {
+	unsigned int msg_ident;
+	unsigned int total_msg_size;
+	unsigned int part_msg_size;
+	unsigned int offset;
+} msg_part_header_t;
+
+#ifdef NO_IP_FRAGMENTATION
+#define MAX_PART_SIZE   (MTU_SIZE - (IP_HEADER_SIZE + UDP_HEADER_SIZE + sizeof(struct msg_part_header) ))
+#else
+#define MAX_PART_SIZE   (MAX_UDP_MSG_SIZE - (IP_HEADER_SIZE + UDP_HEADER_SIZE + sizeof(struct msg_part_header) ))
+#endif
+
+typedef struct msg_part {
+	msg_part_header_t header;
+	char data[MAX_PART_SIZE];
+} msg_part_t;
+
+//
+// Create a handle
+//
+largeUdp_pt largeUdp_create(unsigned int maxNrUdpReceptions)
+{
+	printf("## Creating large UDP\n");
+	largeUdp_pt handle = calloc(sizeof(*handle), 1);
+	if(handle != NULL) {
+		handle->maxNrLists = maxNrUdpReceptions;
+		if(arrayList_create(&handle->udpPartLists) != CELIX_SUCCESS) {
+			free(handle);
+			handle = NULL;
+		}
+		pthread_mutex_init(&handle->dbLock, 0);
+	}
+
+	return handle;
+}
+
+//
+// Destroys the handle
+//
+void largeUdp_destroy(largeUdp_pt handle)
+{
+	printf("### Destroying large UDP\n");
+	if(handle != NULL) {
+		pthread_mutex_lock(&handle->dbLock);
+		int nrUdpLists = arrayList_size(handle->udpPartLists);
+		int i;
+		for(i=0; i < nrUdpLists; i++) {
+			udpPartList_pt udpPartList = arrayList_remove(handle->udpPartLists, i);
+			if(udpPartList) {
+				if(udpPartList->data) {
+					free(udpPartList->data);
+					udpPartList->data = NULL;
+				}
+				free(udpPartList);
+			}
+		}
+		arrayList_destroy(handle->udpPartLists);
+		handle->udpPartLists = NULL;
+		pthread_mutex_unlock(&handle->dbLock);
+		pthread_mutex_destroy(&handle->dbLock);
+		free(handle);
+	}
+}
+
+//
+// Write large data to UDP. This function splits the data in chunks and sends these chunks with a header over UDP.
+//
+int largeUdp_sendmsg(largeUdp_pt handle, int fd, struct iovec *largeMsg_iovec, int len, int flags, struct sockaddr_in *dest_addr, size_t addrlen)
+{
+	int n;
+	int result = 0;
+	msg_part_header_t header;
+
+	int written = 0;
+	header.msg_ident = (unsigned int)random();
+	header.total_msg_size = 0;
+	for(n = 0; n < len ;n++) {
+		header.total_msg_size += largeMsg_iovec[n].iov_len;
+	}
+	int nr_buffers = (header.total_msg_size / MAX_PART_SIZE) + 1;
+
+	struct iovec msg_iovec[MAX_MSG_VECTOR_LEN];
+	struct msghdr msg;
+	msg.msg_name = dest_addr;
+	msg.msg_namelen = addrlen;
+	msg.msg_flags = 0;
+	msg.msg_iov = msg_iovec;
+	msg.msg_iovlen = 2; // header and payload;
+	msg.msg_control = NULL;
+	msg.msg_controllen = 0;
+
+	msg.msg_iov[0].iov_base = &header;
+	msg.msg_iov[0].iov_len = sizeof(header);
+
+	for(n = 0; n < nr_buffers; n++) {
+
+		header.part_msg_size = (((header.total_msg_size - n * MAX_PART_SIZE) >  MAX_PART_SIZE) ?  MAX_PART_SIZE  : (header.total_msg_size - n * MAX_PART_SIZE));
+		header.offset = n * MAX_PART_SIZE;
+		int remainingOffset = header.offset;
+		int recvPart = 0;
+		// find the start of the part
+		while(remainingOffset > largeMsg_iovec[recvPart].iov_len) {
+			remainingOffset -= largeMsg_iovec[recvPart].iov_len;
+			recvPart++;
+		}
+		int remainingData = header.part_msg_size;
+		int sendPart = 1;
+		msg.msg_iovlen = 1;
+
+		// fill in the output iovec from the input iovec in such a way that all UDP frames are filled maximal.
+		while(remainingData > 0) {
+			int partLen = ( (largeMsg_iovec[recvPart].iov_len - remainingOffset) <= remainingData ? (largeMsg_iovec[recvPart].iov_len -remainingOffset) : remainingData);
+			msg.msg_iov[sendPart].iov_base = largeMsg_iovec[recvPart].iov_base + remainingOffset;
+			msg.msg_iov[sendPart].iov_len = partLen;
+			remainingData -= partLen;
+			remainingOffset = 0;
+			sendPart++;
+			recvPart++;
+			msg.msg_iovlen++;
+		}
+		int tmp, tmptot;
+		for(tmp = 0, tmptot=0; tmp < msg.msg_iovlen; tmp++) {
+			tmptot += msg.msg_iov[tmp].iov_len;
+		}
+
+		int w = sendmsg(fd, &msg, 0);
+		if(w == -1) {
+			perror("send()");
+			result =  -1;
+			break;
+		}
+		written += w;
+	}
+
+	return (result == 0 ? written : result);
+}
+
+//
+// Write large data to UDP. This function splits the data in chunks and sends these chunks with a header over UDP.
+//
+int largeUdp_sendto(largeUdp_pt handle, int fd, void *buf, size_t count, int flags, struct sockaddr_in *dest_addr, size_t addrlen)
+{
+	int n;
+	int nr_buffers = (count / MAX_PART_SIZE) + 1;
+	int result = 0;
+	msg_part_header_t header;
+
+	int written = 0;
+	header.msg_ident = (unsigned int)random();
+	header.total_msg_size = count;
+	char *databuf = buf;
+
+	struct iovec msg_iovec[2];
+	struct msghdr msg;
+	msg.msg_name = dest_addr;
+	msg.msg_namelen = addrlen;
+	msg.msg_flags = 0;
+	msg.msg_iov = msg_iovec;
+	msg.msg_iovlen = 2; // header and payload;
+	msg.msg_control = NULL;
+	msg.msg_controllen = 0;
+
+	msg.msg_iov[0].iov_base = &header;
+	msg.msg_iov[0].iov_len = sizeof(header);
+
+	for(n = 0; n < nr_buffers; n++) {
+
+		header.part_msg_size = (((header.total_msg_size - n * MAX_PART_SIZE) >  MAX_PART_SIZE) ?  MAX_PART_SIZE  : (header.total_msg_size - n * MAX_PART_SIZE));
+		header.offset = n * MAX_PART_SIZE;
+		msg.msg_iov[1].iov_base = &databuf[header.offset];
+		msg.msg_iov[1].iov_len = header.part_msg_size;
+		int w = sendmsg(fd, &msg, 0);
+		if(w == -1) {
+			perror("send()");
+			result =  -1;
+			break;
+		}
+		written += w;
+		//usleep(1000); // TODO: If not slept a UDP buffer overflow occurs and parts are missing at the reception side (at least via localhost)
+	}
+
+	return (result == 0 ? written : result);
+}
+
+//
+// Reads data from the filedescriptor which has date (determined by epoll()) and stores it in the internal structure
+// If the message is completely reassembled true is returned and the index and size have valid values
+//
+bool largeUdp_dataAvailable(largeUdp_pt handle, int fd, unsigned int *index, unsigned int *size) {
+	msg_part_header_t header;
+	int result = false;
+	// Only read the header, we don't know yet where to store the payload
+	if(recv(fd, &header, sizeof(header), MSG_PEEK) < 0) {
+		perror("read()");
+		return false;
+	}
+
+	struct iovec msg_vec[2];
+	struct msghdr msg;
+	msg.msg_name = NULL;
+	msg.msg_namelen = 0;
+	msg.msg_flags = 0;
+	msg.msg_iov = msg_vec;
+	msg.msg_iovlen = 2; // header and payload;
+	msg.msg_control = NULL;
+	msg.msg_controllen = 0;
+
+	msg.msg_iov[0].iov_base = &header;
+	msg.msg_iov[0].iov_len = sizeof(header);
+
+	pthread_mutex_lock(&handle->dbLock);
+
+	int nrUdpLists = arrayList_size(handle->udpPartLists);
+	int i;
+	bool found = false;
+	for(i = 0; i < nrUdpLists; i++) {
+		udpPartList_pt udpPartList = arrayList_get(handle->udpPartLists, i);
+		if(udpPartList->msg_ident == header.msg_ident) {
+			found = true;
+
+			//sanity check
+			if(udpPartList->msg_size != header.total_msg_size) {
+				// Corruption occurred. Remove the existing administration and build up a new one.
+				arrayList_remove(handle->udpPartLists, i);
+				free(udpPartList->data);
+				free(udpPartList);
+				found = false;
+				break;
+			}
+
+			msg.msg_iov[1].iov_base = &udpPartList->data[header.offset];
+			msg.msg_iov[1].iov_len = header.part_msg_size;
+			if(recvmsg(fd, &msg, 0)<0){
+				found=true;
+				result=false;
+				break;
+			}
+
+			udpPartList->nrPartsRemaining--;
+			if(udpPartList->nrPartsRemaining == 0) {
+				*index = i;
+				*size = udpPartList->msg_size;
+				result = true;
+				break;
+			} else {
+				result = false; // not complete
+				break;
+			}
+		}
+	}
+
+	if(found == false) {
+		udpPartList_pt udpPartList = NULL;
+		if(nrUdpLists == handle->maxNrLists) {
+			// remove list at index 0
+			udpPartList = arrayList_remove(handle->udpPartLists, 0);
+			fprintf(stderr, "ERROR: Removing entry for id %d: %d parts not received\n",udpPartList->msg_ident, udpPartList->nrPartsRemaining );
+			free(udpPartList->data);
+			free(udpPartList);
+			nrUdpLists--;
+		}
+		udpPartList = calloc(sizeof(*udpPartList), 1);
+		udpPartList->msg_ident =  header.msg_ident;
+		udpPartList->msg_size =  header.total_msg_size;
+		udpPartList->nrPartsRemaining = header.total_msg_size / MAX_PART_SIZE;
+		udpPartList->data = calloc(sizeof(char), header.total_msg_size);
+
+		msg.msg_iov[1].iov_base = &udpPartList->data[header.offset];
+		msg.msg_iov[1].iov_len = header.part_msg_size;
+		if(recvmsg(fd, &msg, 0)<0){
+			free(udpPartList->data);
+			free(udpPartList);
+			result=false;
+		}
+		else{
+			arrayList_add(handle->udpPartLists, udpPartList);
+
+			if(udpPartList->nrPartsRemaining == 0) {
+				*index = nrUdpLists;
+				*size = udpPartList->msg_size;
+				result = true;
+			} else {
+				result = false;
+			}
+		}
+
+	}
+
+	pthread_mutex_unlock(&handle->dbLock);
+
+	return result;
+}
+
+//
+// Read out the message which is indicated available by the largeUdp_dataAvailable function
+//
+int largeUdp_read(largeUdp_pt handle, unsigned int index, void ** buffer, unsigned int size)
+{
+	int result = 0;
+	pthread_mutex_lock(&handle->dbLock);
+
+	udpPartList_pt udpPartList = arrayList_remove(handle->udpPartLists, index);
+	if(udpPartList) {
+		*buffer = udpPartList->data;
+		free(udpPartList);
+	} else {
+		result = -1;
+	}
+	pthread_mutex_unlock(&handle->dbLock);
+
+	return result;
+}

http://git-wip-us.apache.org/repos/asf/celix/blob/2a670f26/pubsub/pubsub_admin_udp_mc/src/large_udp.h
----------------------------------------------------------------------
diff --git a/pubsub/pubsub_admin_udp_mc/src/large_udp.h b/pubsub/pubsub_admin_udp_mc/src/large_udp.h
new file mode 100644
index 0000000..a21e654
--- /dev/null
+++ b/pubsub/pubsub_admin_udp_mc/src/large_udp.h
@@ -0,0 +1,45 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * large_udp.h
+ *
+ *  \date       Mar 1, 2016
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef _LARGE_UDP_H_
+#define _LARGE_UDP_H_
+#include <stdbool.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+typedef struct largeUdp  *largeUdp_pt;
+
+largeUdp_pt largeUdp_create(unsigned int maxNrUdpReceptions);
+void largeUdp_destroy(largeUdp_pt handle);
+
+int largeUdp_sendto(largeUdp_pt handle, int fd, void *buf, size_t count, int flags, struct sockaddr_in *dest_addr, size_t addrlen);
+int largeUdp_sendmsg(largeUdp_pt handle, int fd, struct iovec *largeMsg_iovec, int len, int flags, struct sockaddr_in *dest_addr, size_t addrlen);
+bool largeUdp_dataAvailable(largeUdp_pt handle, int fd, unsigned int *index, unsigned int *size);
+int largeUdp_read(largeUdp_pt handle, unsigned int index, void ** buffer, unsigned int size);
+
+#endif /* _LARGE_UDP_H_ */