diff --git a/list_t/src/list_t/list_t.h b/list_t/src/list_t/list_t.h
index 3707b59..7ff7824 100644
--- a/list_t/src/list_t/list_t.h
+++ b/list_t/src/list_t/list_t.h
@@ -272,7 +272,7 @@ GENERATE_LIST_ALL(TYPE_PTR)
 
 #define GEN_HEAD_PTR_LIST(type)\
   void purge_ptr_type_list_##type(struct main_list_##type *var_list);\
-  void free_##type(void *arg);\
+  void free_##type(type arg);\
 
 
 
@@ -292,7 +292,7 @@ GENERATE_LIST_ALL(TYPE_PTR)
     var_list->current_index = 0;\
 		free(var_list);\
   }\
-  void free_##type(void *arg)\
+  void free_##type(type arg)\
 
 
 GEN_HEAD_PTR_LIST(TYPE_PTR)
diff --git a/y_socket_t/Makefile b/y_socket_t/Makefile
index adc682d..f43f577 100644
--- a/y_socket_t/Makefile
+++ b/y_socket_t/Makefile
@@ -51,7 +51,7 @@ $(PROJECT_LIB): $(OBJ)
 $(YSOCKSRC_O): $(YSOCKSRC) $(YNODESRC_O)
 	$(CC) -o $@ -c $< $(CFLAGS)
 
-$(YNODESRC_O): $(YNODESRC) $(YSOCKSRC_O) $(YLISTSRC_O) 
+$(YNODESRC_O): $(YNODESRC) $(YLISTSRC_O) 
 	$(CC) -o $@ -c $< $(CFLAGS)
 
 
diff --git a/y_socket_t/include/y_socket_t/y_socket_t.h b/y_socket_t/include/y_socket_t/y_socket_t.h
index a0f2963..1b1dd20 100644
--- a/y_socket_t/include/y_socket_t/y_socket_t.h
+++ b/y_socket_t/include/y_socket_t/y_socket_t.h
@@ -19,6 +19,7 @@
 #include <errno.h>
 #include <signal.h>
 
+#include <string.h>
 
 #include "y_socket_t/y_node_t.h"
 
@@ -37,19 +38,40 @@ enum ipVersions{
 
 extern const int af_array[nbIpVersion];//={AF_INET, AF_INET6};
 
+struct y_string{
+	char * buf;
+	size_t size;
+};
+
+typedef struct y_string * y_ptr_STRING;
+
+struct y_string * create_y_ptr_STRING(const char *buf, size_t size);
+GENERATE_LIST_ALL(y_ptr_STRING)
+GEN_HEAD_PTR_LIST(y_ptr_STRING)
+
+size_t total_size_list_y_ptr_STRING(struct main_list_y_ptr_STRING *mstr);
+size_t copy_list_y_ptr_STRING_to_one_string(char *dst_str, struct main_list_y_ptr_STRING *mstr);
+
 struct y_socket_t{
   struct pollfd *fds;
+	size_t size_fds; 
   char * port;
   struct main_list_y_NODE_T *nodes;
-  pthread_mutex_t mut_nodes;
+  pthread_mutex_t *mut_nodes;
+	int go_on;
+  pthread_mutex_t *mut_go_on;
 };
 
+
+//struct y_socket_t * create_y_socket_t(size_t size_fds, char *port);
+//void free_y_socket_t(struct y_socket_t *sock);
+
 struct argdst {
   char *port;
   char *addrStr;
 };
 
-struct y_socket_t * y_socket_create(char * port);
+struct y_socket_t * y_socket_create(char * port, size_t size_fds);
 
 void y_socket_free(struct y_socket_t *socket);
 
diff --git a/y_socket_t/src/y_socket_t/y_socket_t.c b/y_socket_t/src/y_socket_t/y_socket_t.c
index f05e218..52dfe5c 100644
--- a/y_socket_t/src/y_socket_t/y_socket_t.c
+++ b/y_socket_t/src/y_socket_t/y_socket_t.c
@@ -2,23 +2,85 @@
 
 const int af_array[nbIpVersion]={AF_INET, AF_INET6};
 
-struct y_socket_t * y_socket_create(char *port){
+struct y_string * create_y_ptr_STRING(const char *buf, size_t size){
+	struct y_string *string=malloc(sizeof(struct y_string));
+	string->buf=malloc(size+1);
+	if(buf){
+		strncpy(string->buf, buf, size);
+		if(strlen(buf)>=size)
+			string->buf[size]='\0';
+	}
+	string->size=size;
+	return string;
+}
+
+GEN_FUNC_PTR_LIST_FREE(y_ptr_STRING){
+	free(arg->buf);
+  free(arg);
+}
+
+size_t total_size_list_y_ptr_STRING(struct main_list_y_ptr_STRING *mstr){
+	size_t total_size=0;
+	for(move_current_to_begin_list_y_ptr_STRING(mstr); mstr->current_list; increment_list_y_ptr_STRING(mstr)){
+		total_size += mstr->current_list->value->size;
+	}
+	return total_size;
+}
+
+size_t copy_list_y_ptr_STRING_to_one_string(char *dst_str, struct main_list_y_ptr_STRING *mstr){
+	if(dst_str == NULL){
+		dst_str=malloc(total_size_list_y_ptr_STRING(mstr));
+	}
+	char *cur_str = dst_str;
+	size_t local_size=0;
+ 	size_t count_size=0;
+	for(move_current_to_begin_list_y_ptr_STRING(mstr); mstr->current_list; increment_list_y_ptr_STRING(mstr)){
+		local_size = mstr->current_list->value->size;
+    for(size_t i=0; i<local_size; ++i){
+			cur_str[i]=mstr->current_list->value->buf[i];
+		}
+		count_size += local_size;
+		cur_str = dst_str + count_size;
+  }
+
+	return count_size;
+
+}
+
+struct y_socket_t * y_socket_create(char *port, size_t size_fds){
   struct y_socket_t *sock_temp=malloc(sizeof(struct y_socket_t));
-  sock_temp->fds = malloc(nbIpVersion * sizeof(struct pollfd));
+	if(size_fds>=nbIpVersion)
+		sock_temp->size_fds = size_fds;
+	else
+		sock_temp->size_fds = nbIpVersion;			
+  sock_temp->fds = malloc(sock_temp->size_fds * sizeof(struct pollfd));
 
   sock_temp->port=port;
   sock_temp->nodes = create_var_list_y_NODE_T();
-  pthread_mutex_init(&(sock_temp->mut_nodes), NULL);
+	sock_temp->mut_nodes = malloc(sizeof(pthread_mutex_t));
+  pthread_mutex_init(sock_temp->mut_nodes, NULL);
+	sock_temp->go_on = 1;
+	sock_temp->mut_go_on = malloc(sizeof(pthread_mutex_t));
+  pthread_mutex_init(sock_temp->mut_go_on, NULL);
   return sock_temp;
 }
 
 void y_socket_free(struct y_socket_t *socket){
   free(socket->fds);
   free_all_var_list_y_NODE_T(socket->nodes);
-  pthread_mutex_destroy(&(socket->mut_nodes)); 
+  pthread_mutex_destroy(socket->mut_nodes); 
+  free(socket->mut_nodes); 
+  pthread_mutex_destroy(socket->mut_go_on); 
+  free(socket->mut_go_on); 
   free(socket);
 }
 
+int check_y_socket_go_on(struct y_socket_t *sock){
+	pthread_mutex_lock(sock->mut_go_on);
+	int ret = sock->go_on;
+	pthread_mutex_unlock(sock->mut_go_on);
+	return ret;
+}
 // node = NULL for anyIP or str address of the server
 int get_fds_with_getaddrinfo(char *port /*service */, char * node, struct pollfd *fds){
   /*
@@ -99,19 +161,96 @@ int get_fds_with_getaddrinfo(char *port /*service */, char * node, struct pollfd
 
 }
 
-struct get_fds_arg{
-	struct pollfd *fds;
-	//int size_fds;
-	char * port ;/*service */
-	char * addrDistant;
+void update_nodes(y_NODE_T node, struct main_list_y_NODE_T *nodes){
+  char host[NI_MAXHOST], service[NI_MAXSERV];
+				int status = getnameinfo((struct sockaddr*)&(node.addr), node.addr_len, host, NI_MAXHOST, service, NI_MAXSERV, NI_NUMERICHOST);
+        if(status)
+       //   printf("debug: status ==0 : success: Received successfully from %s:%s\n", host,service);
+       // else
+          fprintf(stderr, "getnameinfo: %s\n", gai_strerror(status));
+
+
+        if(NULL ==  search_node_in_list_y_NODE_T(nodes, node))
+          push_back_list_y_NODE_T(nodes, node);
+        
+} 
+
+struct send_arg{
+	struct pollfd *fd;
+	struct main_list_y_NODE_T *nodes;
+	char * filename;
 };
-/*
-void *y_get_fds_func(void *arg){
-  struct get_fds_arg * argSock = (struct get_fds_arg*)arg;
-  struct pollfd *fds = argSock->fds;
-	char * port = argSock->port ;
-	char * addrDistant = argSock->addrDistant;
-*/	
+
+void send_file_for_all_nodes(struct pollfd *fds, struct main_list_y_NODE_T *nodes, char * filename){
+   char tempAddr[BUF_SIZE];
+  int c_af;
+//  char host[NI_MAXHOST], service[NI_MAXSERV];
+  char buf_send[BUF_SIZE];
+  int fd_file;
+  int retread;
+	
+				/*int status = getnameinfo((struct sockaddr*)&(node.addr), node.addr_len, host, NI_MAXHOST, service, NI_MAXSERV, NI_NUMERICHOST);
+        if(status)
+       //   printf("debug: status ==0 : success: Received successfully from %s:%s\n", host,service);
+       // else
+          fprintf(stderr, "getnameinfo: %s\n", gai_strerror(status));
+
+
+        if(NULL ==  search_node_in_list_y_NODE_T(nodes, node))
+          push_back_list_y_NODE_T(nodes, node);
+       */ 
+        /*
+        //UPPER
+        for(int i=0; i<nread; ++i)
+          if((buf[i] >='a') && (buf[i]<='z'))
+            buf[i]=buf[i]+'A'-'a';*/
+       fd_file = open( filename , O_RDONLY);
+       if(fd_file == -1){
+         fprintf(stderr,"error opening file |%s| for reading\n",filename);
+         return /*NULL*/;
+       }
+  
+       while((retread = read(fd_file, buf_send, BUF_SIZE) ) > 0 )
+       {
+          //memset(msgRet, 0, BUF_SIZE + NI_MAXHOST + NI_MAXSERV + 100);
+  //        sprintf(msgRet, "from %s:%s =%s",host, service, buf);
+          
+  //        len_msgRet = strlen(msgRet);
+          printf("sending response  %s :\n",buf_send);
+          FOR_LIST_FORM_BEGIN(y_NODE_T, nodes){
+            c_af=(nodes->current_list->value).addr.ss_family;
+            //memset(tempAddr, 0, BUF_SIZE);
+            if(c_af==AF_INET){
+               if(NULL == inet_ntop(c_af, 
+                &(GET_IN_type_ADDR(&(nodes->current_list->value),)),
+                tempAddr, BUF_SIZE/*(argSock->nodes->current_list->value).addr_len*/)){
+                fprintf(stderr, "error inet_ntop v4\n");
+              }
+            }else if(c_af==AF_INET6){
+               if(NULL == inet_ntop(c_af, 
+                &(GET_IN_type_ADDR(&(nodes->current_list->value),6)),
+                tempAddr, BUF_SIZE /*(argSock->nodes->current_list->value).addr_len*/)){
+                fprintf(stderr, "error inet_ntop v6 :errno=%d\n",errno);
+              }
+            }
+                      
+            if(sendto(fds[(c_af==AF_INET6)].fd, 
+              buf_send, retread,
+              /*msgRet, len_msgRet,*/ 
+              0, 
+              (struct sockaddr*)&((nodes->current_list->value).addr), 
+              (nodes->current_list->value).addr_len) != 
+              retread
+              /*len_msgRet*/
+              ){
+              fprintf(stderr, "Error sending response to %s\n",tempAddr);
+            }else
+              printf("sending response to %s\n",tempAddr);
+          }
+        }
+        close(fd_file);
+        printf("fd=%d closed: filename=%s\n",fd_file,filename);
+}
 
 void  y_get_fds_func(struct pollfd * fds, char * port, char * addrDistant){
 
@@ -170,112 +309,14 @@ void  y_get_fds_func(struct pollfd * fds, char * port, char * addrDistant){
 
   freeaddrinfo(result);
 
-//  ssize_t nread;
-//  char buf[BUF_SIZE];
-  
-//  int status, af; 
-//  status = get_fds_with_getaddrinfo(argSock->port, NULL, fds);
-  
-//  if(status != 0) 
-    /*
-    if(status == 1)
-      fprintf(stderr, " v4 or v6 not listening, we leave!");
-    else
-      fprintf(stderr, " not enough allocatation for fds, we leave!");
-    */
-
-	/*
-  if((fds[v4].fd==-1) || (fds[v6].fd==-1)){
-    fprintf(stderr, " v4 or v6 not listening, we leave!");
-    return NULL;
-  }*/
-	
-//	return fds;
-
 }
-
+void handler_(char * buf){
+	printf("%s\n",buf);
+}
 void *y_pollSocketsFunc(void *arg){
   struct y_socket_t * argSock = (struct y_socket_t*)arg;
   struct pollfd *fds = argSock->fds;
 
-/*	
-	fds[v4].fd=-1; fds[v4].events = POLLIN;
-  fds[v6].fd=-1; fds[v6].events = POLLIN;
-
-  struct addrinfo hints, *result, *rp;
-  int status;
-  ssize_t nread;
-  char buf[BUF_SIZE];
-  
-  memset(&hints, 0, sizeof(struct addrinfo));
-  hints.ai_family = AF_UNSPEC; // Allow all IPv4 and IPv6
-  hints.ai_socktype = SOCK_DGRAM; // udp
-  hints.ai_flags = AI_PASSIVE; // anyIP
-  // 
-  hints.ai_protocol = 0;
-  hints.ai_canonname = NULL;
-  hints.ai_addr = NULL;
-  hints.ai_next = NULL;
-
-  status = getaddrinfo(NULL, argSock->port, &hints, &result);
-  if(status != 0){
-    fprintf(stderr, "getaddrinfo :%s\n", gai_strerror(status));
-    return NULL;
-  }
-  int af, optValueV6 = 1;
-
-  for(rp = result; rp != NULL; rp=rp->ai_next){
-    for(af=v4; af<=v6; ++af){
-      if((rp->ai_family == af_array[af]) && (fds[af].fd ==-1)){
-        fds[af].fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
-        if(fds[af].fd == -1)
-          continue;
-// android
-#ifdef IPV6_V6ONLY 
-        if(af == v6){
-          if(setsockopt(fds[af].fd, IPPROTO_IPV6, IPV6_V6ONLY,
-            &optValueV6, sizeof(optValueV6)) == -1){
-            perror("error setsockopt v6 :");
-            close(fds[af].fd);
-            fds[af].fd = -1;
-            continue;
-          }
-        }
-#endif
-        if(bind(fds[af].fd, rp->ai_addr, rp->ai_addrlen)==-1){
-          close(fds[af].fd);
-          fds[af].fd=-1;
-        }
-      }
-    }
-  }
-
-  freeaddrinfo(result);
-
-*/
-
-//  ssize_t nread;
-//  char buf[BUF_SIZE];
-  
-//  int status, af; 
-//  status = get_fds_with_getaddrinfo(argSock->port, NULL, fds);
-  
-//  if(status != 0) 
-    /*
-    if(status == 1)
-      fprintf(stderr, " v4 or v6 not listening, we leave!");
-    else
-      fprintf(stderr, " not enough allocatation for fds, we leave!");
-    */
-
-//	struct get_fds_arg argGET_addr, *arg_get;//=malloc(sizeof(struct get_fds_arg) );
-//	arg_get = &argGET_addr;
-//	arg_get->fds = fds;
-//	arg_get->addrDistant = NULL;
-//	arg_get->port = argSock->port;
-//	fds = (struct pollfd*) y_get_fds_func(arg_get);
-
-//	fds = (struct pollfd*)
 	y_get_fds_func(fds, argSock->port, NULL);
 
   if((fds[v4].fd==-1) || (fds[v6].fd==-1)){
@@ -285,18 +326,13 @@ void *y_pollSocketsFunc(void *arg){
   //struct sockaddr_storage peer_addr;
   //socklen_t len_peer_addr;
   y_NODE_T node;
-  char tempAddr[BUF_SIZE];
-  int c_af;
-  char host[NI_MAXHOST], service[NI_MAXSERV];
-  char buf_send[BUF_SIZE];
-  int fd_file;
-  int retread;
-	int af, status;
+  int af, status;
   ssize_t nread;
   char buf[BUF_SIZE];
+	struct main_list_y_ptr_STRING *m_str=create_var_list_y_ptr_STRING();
 //  char msgRet[BUF_SIZE + NI_MAXHOST + NI_MAXSERV + 100];
 //  int len_msgRet;
-  for(;;){
+  for(;check_y_socket_go_on(argSock);){
     printf("poll: wait events\n");
     status = poll(fds, nbIpVersion, -1);
     if(status <= 0){
@@ -309,83 +345,45 @@ void *y_pollSocketsFunc(void *arg){
     node.addr_len = sizeof(struct sockaddr_storage);
     for(af = v4; af<=v6;++af){
       if(fds[af].revents && POLLIN){
+				remove_all_list_in_y_ptr_STRING(m_str);
         memset(buf, 0, BUF_SIZE);
-        nread = recvfrom(fds[af].fd, buf, BUF_SIZE, 0,
-        (struct sockaddr *)&(node.addr), &(node.addr_len));
-        if(nread == -1)
-          continue;
-        if(buf[nread-1]=='\n') buf[nread-1]='\0';
-printf("msg : %s\n",buf);
-
-        status = getnameinfo((struct sockaddr*)&(node.addr), node.addr_len, host, NI_MAXHOST, service, NI_MAXSERV, NI_NUMERICHOST);
-        if(status == 0)
-          printf("Received %ld bytes from %s:%s\n",(long)nread, host,service);
-        else
-          fprintf(stderr, "getnameinfo: %s\n", gai_strerror(status));
-
-
-        if(NULL ==  search_node_in_list_y_NODE_T(argSock->nodes, node))
-          push_back_list_y_NODE_T(argSock->nodes, node);
-        
-        /*
-        //UPPER
-        for(int i=0; i<nread; ++i)
-          if((buf[i] >='a') && (buf[i]<='z'))
-            buf[i]=buf[i]+'A'-'a';*/
-       fd_file = open( buf , O_RDONLY);
-       if(fd_file == -1){
-         fprintf(stderr,"error opening file |%s| for reading\n",buf);
-         return NULL;
-       }
-  
-       while((retread = read(fd_file, buf_send, BUF_SIZE) ) > 0 )
-       {
-          //memset(msgRet, 0, BUF_SIZE + NI_MAXHOST + NI_MAXSERV + 100);
-  //        sprintf(msgRet, "from %s:%s =%s",host, service, buf);
-          
-  //        len_msgRet = strlen(msgRet);
-          printf("sending response  %s :\n",buf_send);
-          FOR_LIST_FORM_BEGIN(y_NODE_T, argSock->nodes){
-            c_af=(argSock->nodes->current_list->value).addr.ss_family;
-            //memset(tempAddr, 0, BUF_SIZE);
-            if(c_af==AF_INET){
-               if(NULL == inet_ntop(c_af, 
-                &(GET_IN_type_ADDR(&(argSock->nodes->current_list->value),)),
-                tempAddr, BUF_SIZE/*(argSock->nodes->current_list->value).addr_len*/)){
-                fprintf(stderr, "error inet_ntop v4\n");
-              }
-            }else if(c_af==AF_INET6){
-               if(NULL == inet_ntop(c_af, 
-                &(GET_IN_type_ADDR(&(argSock->nodes->current_list->value),6)),
-                tempAddr, BUF_SIZE /*(argSock->nodes->current_list->value).addr_len*/)){
-                fprintf(stderr, "error inet_ntop v6 :errno=%d\n",errno);
-              }
-            }
-                      
-            if(sendto(fds[(c_af==AF_INET6)].fd, 
-              buf_send, retread,
-              /*msgRet, len_msgRet,*/ 
-              0, 
-              (struct sockaddr*)&((argSock->nodes->current_list->value).addr), 
-              (argSock->nodes->current_list->value).addr_len) != 
-              retread
-              /*len_msgRet*/
-              ){
-              fprintf(stderr, "Error sending response to %s\n",tempAddr);
-            }else
-              printf("sending response to %s\n",tempAddr);
-          }
+        while((nread = recvfrom(fds[af].fd, buf, BUF_SIZE, 0,
+        (struct sockaddr *)&(node.addr), &(node.addr_len))) == BUF_SIZE){
+        	if(nread == -1)
+          	fprintf(stderr,"error recvfrom\n");
+					else{
+						y_ptr_STRING y_buf = create_y_ptr_STRING(buf, nread);
+						push_back_list_y_ptr_STRING(m_str, y_buf);
+					}
+				}
+				if(nread > 0 && nread < BUF_SIZE){
+        	if(buf[nread-1]=='\n') buf[nread-1]='\0';
+          printf("msg: %s\n",buf);
+					y_ptr_STRING y_buf = create_y_ptr_STRING(buf, nread);
+					push_back_list_y_ptr_STRING(m_str, y_buf);
+				
         }
-        close(fd_file);
-        printf("fd=%d closede: filename=%s\n",fd_file,buf);
+				
+				char *temp_all_buf=NULL;
+				/*size_t total_buf = */ copy_list_y_ptr_STRING_to_one_string(temp_all_buf , m_str);
+
+//printf("msg : %s\n",buf);
+			
+			///
+			///
+				handler_(temp_all_buf);
+
+			///
       }
     }
 //    printf("nread = %ld: buf=%s\nlen_buf=%ld\ncmp=%d\n",nread,buf,strlen(buf),strncmp(buf,"SHUTDOWN SERVER",15));
       if(strncmp(buf,"SHUTDOWN SERVER",15) == 0){
         printf("leave poll thread, bye!\n");
-        return NULL;
+     		break;
+		 		//return NULL;
       }
   }
+	return NULL;
 }
 #define str(x) # x
 #define xstr(x) str(x)