WTP work...

FossilOrigin-Name: c770fa37c379da9fb78feebb463e2843ba8179e3f9026687dcfb44b4c7c47388

src/capwap/capwap.h

@@ -633,6 +633,8 @@ extern int cw_readmsg_configuration_update_request(uint8_t * elems, int elems_le
 #define cw_set_hdr_preamble(th,v) ((*th)=v)
 
 
+
+
 /**
  * Set the HLEN field of a CAWAP Header
  * @param th pointer to the header
@@ -726,6 +728,32 @@ static inline int cw_get_hdr_msg_total_len(uint8_t * rawmsg)
 	return offset + cw_get_msg_elems_len(rawmsg + offset) + 8;
 }
 
+
+
+static inline int cw_set_hdr_rmac(uint8_t * th,bstr_t rmac)
+{
+	if (!rmac){
+		cw_set_hdr_flags(th,CW_FLAG_HDR_M,0);
+		cw_set_hdr_hlen(th, 2);
+		return 0;
+	}
+	int rmac_len = bstr_len(rmac);
+	memcpy(cw_get_hdr_rmac(th),rmac,rmac_len+1);
+	cw_set_hdr_flags(th,CW_FLAG_HDR_M,1);
+
+	int hlen =  4+rmac_len/4;
+	
+	if (rmac_len %4 != 0) {
+		hlen++;
+	}
+	cw_set_hdr_hlen(th,hlen);
+	return 1;
+}
+
+
+
+
+
 /**
  * Get length of a CAPWAP message elemet 
  * @param e pointer to element (uint8_t*)

src/capwap/capwap_action_helpers.c

@@ -38,11 +38,19 @@ struct cw_item *cw_out_get_local(struct conn *conn, struct cw_action_out *a)
 struct cw_item * cw_out_get_session_id(struct conn *conn,struct cw_action_out * a)
 {
 	uint8_t session_id[16];
-	int l = cw_rand(session_id,16);
-	if ( l!=16 ) {
+
+	int slen;
+	if ( conn->capwap_mode == CW_MODE_CISCO){
+		slen=4;
+	}
+	else
+		slen=16;
+
+	int l = cw_rand(session_id,slen);
+	if ( l!=slen ) {
 		cw_log(LOG_ERR,"Can't init session ID.");
 		return NULL;
 	}
-	return cw_itemstore_set_bstrn(conn->local,CW_ITEM_SESSION_ID,session_id,16);
+	return cw_itemstore_set_bstrn(conn->local,CW_ITEM_SESSION_ID,session_id,slen);
 }
 

src/capwap/capwap_actions_wtp.c

@@ -111,13 +111,23 @@ cw_action_out_t capwap_actions_wtp_out[] = {
 	{CW_MSG_DISCOVERY_REQUEST, CW_ITEM_DISCOVERY_TYPE, 0,
 	 CW_ELEM_DISCOVERY_TYPE, NULL,cw_out_generic, cw_out_get_outgoing}
 	,
+	{CW_MSG_DISCOVERY_REQUEST, CW_ITEM_WTP_FRAME_TUNNEL_MODE, 0,
+	 CW_ELEM_WTP_FRAME_TUNNEL_MODE, NULL,cw_out_generic, cw_out_get_local,1}
+	,
 
+	{CW_MSG_DISCOVERY_REQUEST, CW_ITEM_WTP_MAC_TYPE, 0,
+	 CW_ELEM_WTP_MAC_TYPE, NULL,cw_out_generic, cw_out_get_local,1}
+	,
 
 	/* WTP Board Data */
 	{CW_MSG_DISCOVERY_REQUEST, CW_ITEM_WTP_BOARD_DATA, 0,
-	 CW_ELEM_WTP_BOARD_DATA, NULL,cw_out_wtp_board_data, cw_out_get_outgoing}
+	 CW_ELEM_WTP_BOARD_DATA, NULL,cw_out_wtp_board_data, cw_out_get_outgoing,1}
 	,
-
+	/* WTP Descriptor */
+	{CW_MSG_DISCOVERY_REQUEST, CW_ITEM_WTP_DESCRIPTOR, 0, 
+	 CW_ELEM_WTP_DESCRIPTOR, NULL,cw_out_wtp_descriptor, NULL,1}
+	,
+	
 
 	/* -------------------------------------------------------------------------------
 	 * Join Request OUT

src/capwap/capwap_items.h

@@ -53,7 +53,7 @@ enum capwap_items {
 
 	/* Other Items */
 	CW_ITEM_AC_IMAGE_DIR,		/* Path where WTP images are stored */
-	CW_ITEM_IMAGE_FILENAME,	/* Full path of image filename */
+	CW_ITEM_IMAGE_FILENAME,		/* Full path of image filename */
 	CW_ITEM_DISCOVERIES,
 	CW_ITEM_AC_PRIO_LIST,		/* AC Name with Priority list */
 	CW_ITEM_IMAGE_FILEHANDLE	/* FILE handle for uploading and downloading images  */

src/capwap/cipwap_actions_ac.c

@@ -21,7 +21,7 @@
 	cw_in_cipwap_wtp_descriptor, 0,		/* start/end callback */	\
 	0,									\
 	CW_ITEM_WTP_DESCRIPTOR,							\
-	0,0								
+	8,1028
 
 /* For CIPWAP we allow a 
    Session ID with 4 .. 16 bytes length */	

src/capwap/conn.h

@@ -53,6 +53,8 @@ struct conn {
 	cw_itemstore_t remote;
 	cw_itemstore_t local;
 
+	/** base_mac */
+	bstr_t base_rmac;
 	
 	/** Wireless Binding ID of this connection */
 	uint8_t wbid;

src/capwap/conn_process_packet.c

@@ -52,8 +52,14 @@ void cw_init_response(struct conn *conn, uint8_t * req)
 	int shbytes = cw_get_hdr_msg_offset(req);
 	int dhbytes;
 	memcpy(buffer, req, shbytes);
-	cw_set_hdr_hlen(buffer, 2);
-	cw_set_hdr_flags(buffer, CW_FLAG_HDR_M, 1);
+
+
+	cw_set_hdr_rmac(buffer,conn->base_rmac);
+//	cw_set_hdr_hlen(buffer, 2);
+//	cw_set_hdr_flags(buffer, CW_FLAG_HDR_M, 1);
+
+
+
 	dhbytes = cw_get_hdr_msg_offset(buffer);
 
 	uint8_t *msgptr = req + shbytes;
@@ -74,10 +80,15 @@ void cw_init_request(struct conn *conn, int msg_id)
 
 	/* unencrypted */
 	cw_set_hdr_preamble(buffer, CAPWAP_VERSION << 4 | 0);
+	
+	cw_set_hdr_rmac(buffer,conn->base_rmac);
+	//cw_set_hdr_hlen(buffer, 2);
+
 
-	cw_set_hdr_hlen(buffer, 2);
 	cw_set_hdr_wbid(buffer, 1);
 	cw_set_hdr_rid(buffer, 0);
+
+
 	uint8_t *msgptr = cw_get_hdr_msg_offset(buffer) + buffer;
 	cw_set_msg_type(msgptr, msg_id);
 	cw_set_msg_flags(msgptr, 0);

src/capwap/cw_in_wtp_board_data.c

@@ -36,6 +36,8 @@
 static void readsubelems_wtp_board_data(cw_itemstore_t itemstore, uint8_t * msgelem,
 					int len)
 {
+	if (len<4)
+		return;
 
 	int i = 0;
 	uint32_t val;

src/capwap/cw_in_wtp_descriptor.c

@@ -32,7 +32,8 @@ static int cw_read_wtp_descriptor_versions(cw_itemstore_t itemstore, uint8_t * d
 					   int len, int silent)
 {
 	int i = 0;
-	do {
+	while (i<len) {
+
 		if (i + 8 > len) {
 			if (!silent)
 				cw_dbg(DBG_ELEM_ERR,
@@ -51,7 +52,7 @@ static int cw_read_wtp_descriptor_versions(cw_itemstore_t itemstore, uint8_t * d
 		if (sublen + i > len) {
 			if (!silent)
 				cw_dbg(DBG_ELEM_ERR,
-				       "WTP Descriptor subelement too long, length = %d",
+				       "WTP Descriptor sub-element too long, length = %d",
 				       sublen);
 			return 0;
 		}
@@ -82,8 +83,9 @@ static int cw_read_wtp_descriptor_versions(cw_itemstore_t itemstore, uint8_t * d
 				break;
 			case CW_SUBELEM_WTP_SOFTWARE_VERSION:
 
-				cw_itemstore_set_vendorstr(itemstore,CW_ITEM_WTP_SOFTWARE_VERSION,
-								vendor_id,data+i,sublen);
+				cw_itemstore_set_vendorstr(itemstore,
+							   CW_ITEM_WTP_SOFTWARE_VERSION,
+							   vendor_id, data + i, sublen);
 /*
 				cw_itemstore_set_dword(itemstore,
 						       CW_ITEM_WTP_SOFTWARE_VENDOR,
@@ -111,7 +113,7 @@ static int cw_read_wtp_descriptor_versions(cw_itemstore_t itemstore, uint8_t * d
 		}
 		i += sublen;
 
-	} while (i < len);
+	} //while (i < len);
 
 	return 1;
 

src/capwap/cw_out_wtp_board_data.c

@@ -9,9 +9,9 @@
 int cw_out_wtp_board_data(struct conn *conn, struct cw_action_out *a, uint8_t * dst)
 {
 	cw_itemstore_t board_data =
-	    cw_itemstore_get_avltree(conn->outgoing, CW_ITEM_WTP_BOARD_DATA);
+	    cw_itemstore_get_avltree(conn->local, CW_ITEM_WTP_BOARD_DATA);
 	if (!board_data) {
-		cw_log(LOG_ERR, "Error: Can't send WTP Board Data element - not defined");
+		cw_log(LOG_ERR, "Error: Can't send WTP Board Data element. WTP Board Data is not defined.");
 		return 0;
 	}
 
@@ -33,7 +33,7 @@ int cw_out_wtp_board_data(struct conn *conn, struct cw_action_out *a, uint8_t *
 		d += cw_put_data(d, bstr16_data(i->data), bstr16_len(i->data));
 	} else {
 		cw_log(LOG_ERR,
-		       "Error: Can't set sub-element \"Model No.\" in WTP Board Data.");
+		       "Error: Can't set sub-element \"WTP Model Number\" in WTP Board Data.");
 	}
 
 	i = cw_itemstore_get(board_data, CW_ITEM_WTP_BOARD_SERIALNO);
@@ -41,8 +41,12 @@ int cw_out_wtp_board_data(struct conn *conn, struct cw_action_out *a, uint8_t *
 		d += cw_put_word(d, CW_BOARDDATA_SERIALNO);
 		d += cw_put_word(d, bstr16_len(i->data));
 		d += cw_put_data(d, bstr16_data(i->data), bstr16_len(i->data));
+	}else {
+		cw_log(LOG_ERR,
+		       "Error: Can't set sub-element \"WTP Serial Number\" in WTP Board Data.");
 	}
 
+
 	i = cw_itemstore_get(board_data, CW_ITEM_WTP_BOARD_ID);
 	if (i) {
 		d += cw_put_word(d, CW_BOARDDATA_BOARDID);

src/capwap/cw_out_wtp_descriptor.c

@@ -5,9 +5,11 @@
 #include "capwap_items.h"
 #include "capwap.h"
 
-
-static int cw_put_enc_subelems(uint8_t *dst)
+static int cw_put_encryption_subelems(uint8_t *dst)
 {
+cw_put_word(dst,0x01);
+return 2;
+
 	int n=2;
 	
 	dst+=cw_put_byte(dst,n);	
@@ -29,9 +31,9 @@ int cw_out_wtp_descriptor(struct conn *conn, struct cw_action_out *a, uint8_t *
 	// XXX Dummy WTP Descriptor Header
 	uint8_t *d = dst+4;
 
-	d+=cw_put_byte(d,2); 
-	d+=cw_put_byte(d,0);
-	d+=cw_put_enc_subelems(dst);
+	d+=cw_put_byte(d,2);	//max radios
+	d+=cw_put_byte(d,0);	//radios in use
+	d+=cw_put_encryption_subelems(d);
 
 	cw_item_t * i;
 	i = cw_itemstore_get(conn->outgoing,CW_ITEM_WTP_HARDWARE_VERSION);

src/wtp/cfg.c

@@ -8,24 +8,99 @@
 
 #include "jsmn.h"
 #include "wtp.h"
+#include "capwap/bstr.h"
 
 struct cw_itemdef {
 	int item_id;
 	const char *cfgname;
-	int (*setfun) (struct cw_itemdef *,char *js,jsmntok_t *t);
+	int (*setfun) (struct cw_itemdef *,char *,jsmntok_t *);
+	const char def;
 
 };
 typedef struct cw_itemdef cfg_item_t;
 
+
+
 enum {
 	CW_ITEMSPACE_DBG,
 	CW_ITEMSPACE_WTP
 };
 
 
-int bstr16_local(struct cw_item_def *idef,char *js, jsmntok_t *t)
+static int scn_obj(char *js, jsmntok_t *t, int (vcb)(char*js,jsmntok_t*t) ) {
+	int i;
+
+	if (t->type!=JSMN_OBJECT){
+printf("No object\n");
+		return 0;
+	}
+
+/*
+	if (t->size<3) {
+		return 0;
+	}
+
+*/
+	int j=1;
+	for (i = 0; i < t->size; i++) {
+
+		j+=vcb(js,t+j);
+		continue;
+				
+	}
+
+	return 0;
+
+}
+
+
+static int skip(jsmntok_t *t) 
 {
-	int item_id = idef=item_id;
+	switch (t->type){
+		case JSMN_OBJECT:
+		{
+			int e=t->end;
+			int n=1;
+			while (e>t->start) {
+				t++;n++;
+			}
+			return n;
+		}
+		default:
+			return t->size+2;
+
+	}
+}
+
+
+
+
+
+int byte_local(struct cw_itemdef *idef,char *js, jsmntok_t *t)
+{
+printf("GET BYTE\n");
+//	if (t->type != JSMN_STRING){
+//		printf("Error: No Str: %s\n",str);
+//		return 1;
+//	}
+
+	*(js+t->end)=0;
+	const char * val = js+t->start;
+//	*(js+(t+1)->end)=0;
+//	const char * val = js+(t+1)->start;
+	struct conn * conn = get_conn();
+	
+	cw_itemstore_set_byte(conn->local,idef->item_id,atoi(val));
+
+}
+
+
+
+
+
+int bstr16_local(struct cw_itemdef *idef,char *js, jsmntok_t *t)
+{
+	int item_id = idef->item_id;
 	struct conn * conn = get_conn();
 
 	*(js+t->end)=0;
@@ -37,14 +112,34 @@ int bstr16_local(struct cw_item_def *idef,char *js, jsmntok_t *t)
 	}
 //	*(js+t->end)=0;
 	printf("Set str: %d %s\n", item_id,str);
-	cw_itemstore_set_bstr16n(conn->local,item_id,js+t->start,t->end-t->start);
+	cw_itemstore_set_bstr16n(conn->local,item_id,(uint8_t*)js+t->start,t->end-t->start);
+	return 0;
 }
 
+int wtp_board_data_local(struct cw_itemdef *idef,char *js, jsmntok_t *t);
 
-struct cw_itemdef cfg[] = {
+
+
+
+
+struct cw_itemdef general_cfg[] = {
 	{CW_ITEM_WTP_HARDWARE_VERSION, "hardware_version",bstr16_local}, 
 	{CW_ITEM_WTP_SOFTWARE_VERSION, "software_version",bstr16_local}, 
 	{CW_ITEM_WTP_BOARD_MODELNO, "modelno",bstr16_local}, 
+	{CW_ITEM_WTP_BOARD_DATA,"wtp_board_data",wtp_board_data_local},
+	{CW_ITEM_WTP_FRAME_TUNNEL_MODE,"frame_tunnel_mode",byte_local},
+	{CW_ITEM_WTP_MAC_TYPE,"mac_type",byte_local},
+	{CW_ITEM_LOCATION_DATA,"location_data",bstr16_local},
+
+	{0, 0, 0}
+};
+
+
+
+struct cw_itemdef board_data_cfg[] = {
+	{CW_ITEM_WTP_BOARD_MODELNO, "model_no",NULL}, 
+	{CW_ITEM_WTP_BOARD_SERIALNO, "serial_no",NULL}, 
+	{CW_ITEM_WTP_BOARD_VENDOR, "vendor_id",NULL},
 
 	{0, 0, 0}
 };
@@ -54,7 +149,8 @@ struct cw_itemdef cfg[] = {
 
 
 
-struct cw_itemdef * get_cfg(const char *key){
+
+struct cw_itemdef * get_cfg(struct cw_itemdef *cfg,const char *key){
 	int i=0;
 	for (i=0; cfg[i].item_id; i++){
 		if ( !strcmp(key,cfg[i].cfgname ))  {
@@ -64,61 +160,94 @@ struct cw_itemdef * get_cfg(const char *key){
 	return NULL;
 }
 
-
-int scn_obj(jsmntok_t *t, int i)
+static int wtp_board_data_cb(char *js,jsmntok_t *t)
 {
+printf("VB BOARD DATA!!!\n");
+	struct conn * conn = get_conn();
+	cw_itemstore_t bd = cw_itemstore_get_avltree(conn->local,CW_ITEM_WTP_BOARD_DATA);
+	if (!bd){
+		bd = cw_itemstore_create();
+		if (!bd){
+			return skip(t+1);
+		}
+		cw_itemstore_set_avltree(conn->local,CW_ITEM_WTP_BOARD_DATA,bd);
+	}
 	
 
 
+
+	*(js+t->end)=0;
+	const char * key = js+t->start;
+	*(js+(t+1)->end)=0;
+	const char * val = js+(t+1)->start;
+	
+
+	struct conn *get_conn();
+	struct cw_itemdef * idef = get_cfg(board_data_cfg,key);
+
+	if (!idef){
+		return skip(t+1);
+	}
+
+	if (idef->item_id == CW_ITEM_WTP_BOARD_VENDOR){
+		cw_itemstore_set_dword(bd,CW_ITEM_WTP_BOARD_VENDOR,atoi(val));
+		
+	}
+	else{
+		bstr16_t v = bstr16cfgstr(val);
+		cw_itemstore_set_bstr16n(bd,idef->item_id,bstr16_data(v),bstr16_len(v));
+		free(v);
+
+	}
+
+
+
+	return skip(t+1);
+
 }
 
+int wtp_board_data_local(struct cw_itemdef *idef,char *js, jsmntok_t *t)
+{
+printf("Local board data\n");
+
+	if ( t->type != JSMN_OBJECT ) {
+		printf("Error: wtp_board_data is no object\n");
+		printf("Size: %d\n",t->size);
+		return 0;
+	}
+printf("Scanni\n");
+	scn_obj(js, t,wtp_board_data_cb);
+	return skip(t+1);
+}
+
+
 
 static int set_cfg(char *js,jsmntok_t *t){
 
 	*(js+t->end)=0;
 	const char * key = js+t->start;
+	*(js+(t+1)->end)=0;
+	//const char * val = js+(t+1)->start;
 
-	if ( t->type != JSMN_STRING ) {
-		printf("Error - No String: %s\n",key);
-		return 0;
-	}
 
-	struct cw_itemdef * idef = get_cfg(key);
-	if(!idef){
-		printf("Error - not found: %s\n",key);
-		return 0;
-	}	
+
+	struct cw_itemdef * idef = get_cfg(general_cfg,key);
+
+//	printf("Key: %s\n",key);
+//	printf("Val: %s\n",val);
+
+	if(!idef)
+		return skip(t+1);
 
 	if ( !idef->setfun) {
 		printf("Error no setfun: %s\n",key);
 		
 	} 
 	else{
-		idef->setfun(idef->item_id,js,t+1);
+		idef->setfun(idef,js,t+1);
 	}
 
-	return 1;	
-
-}
-
-static int read_obj(char *js, jsmntok_t *t ) {
-	int i;
-
-	if (t->type!=JSMN_OBJECT){
-		return 0;
-	}
-
-	if (t->size<3) {
-		return 0;
-	}
-
-	for (i = 1; i < t->size; i++) {
-		i+=set_cfg(js,t+i);
-		continue;
-				
-	}
-
-	return 0;
+	return skip(t+1);
 
 }
 
@@ -156,13 +285,7 @@ int setup_conf(struct conn *conn)
 		printf("Parser failed\n");
 	}
 
-	read_obj(jstr, t);
-
-
-
-
-
-	int i;
+	scn_obj(jstr, t,set_cfg);
 
 
 
@@ -170,10 +293,16 @@ int setup_conf(struct conn *conn)
 
 
 
+
+
+/*
+
 	for (i = 0; cfg[i].item_id != CW_ITEM_NONE; i++) {
 		printf("ItemName: %s\n", cfg[i].cfgname);	//.cfgname)
 
 	}
+*/
+
 
 	return 0;
 }

src/wtp/cfg.json

@@ -1,15 +1,31 @@
 {
+
+
+	"dbg":[o1,o2,o3],
+	"Tube" :   "tabbe",
+
 	"hardware_version": "12345",
 	"software_version": "98765",
-	"vendor_id": 40909,
-	"modelno": "2045",
+	"comment": "** The following is debug info **",
+	"location_data": "Berlin",
+
+	"frame_tunnel_mode": "4",
+	"mac_type": 2,
+
+	
+
+	"wtp_board_data" : {
+		"vendor_id": 4232704,
+		"model_no": "Tobias Herre",
+		"serial_no": "2045",
+	},
+
 
 	"acname_with_priority": {
 		"1":"Master-AC",
 		"2":"Cisco-AC"
 	},
-	"comment": "** The following is debug info **"
-	"dbg":[o1,o2,o3]
+
 	"ac": {
 		"Master-AC": {
 			
@@ -19,6 +35,7 @@
 
 		}
 	}
+
 	
 } 
 

src/wtp/configure.c

@@ -6,9 +6,9 @@
 
 int configure()
 {
-/*
+
 	struct conn * conn = get_conn();
-	struct wtpinfo * wtpinfo = get_wtpinfo();
+/*	struct wtpinfo * wtpinfo = get_wtpinfo();
 
 	struct radioinfo *rip = &(wtpinfo->radioinfo[0]);
 

src/wtp/image_update.c

@@ -32,7 +32,7 @@ int image_update()
 		return 0;
 	}
 
-	cw_dbg(DBG_ELEM,"Ready to receive image ...\n");
+	cw_dbg(DBG_INFO,"Ready to receive image ...");
 
 	conn->capwap_state=CW_STATE_IMAGE_DATA;
 	rc=-11;

src/wtp/join.c

@@ -182,6 +182,8 @@ int run_join(struct conn * conn)
 int join()
 {
 	struct conn * conn = get_conn();
+conn->capwap_mode=CW_MODE_CISCO;
+
 	cw_aciplist_t iplist = cw_itemstore_get_avltree(conn->local,CW_ITEM_CAPWAP_CONTROL_IP_ADDRESS_LIST);
 	if (!iplist){
 		cw_log(LOG_ERR,"No IPs to join controller.");

src/wtp/wtp_main.c

@@ -29,7 +29,13 @@ struct conn *the_conn;
 struct cw_actiondef capwap_actions;
 
 
+bstr_t get_base_rmac()
+{
+//	static	uint8_t rm[8]={0x00,0x4a,0x99,0x02,0xfa,0xc0};
 
+	static     uint8_t rm[8]={0x00,0x3a,0x99,0x02,0xfa,0xc0};
+	return bstr_create(rm,6);
+}
 
 
 
@@ -64,11 +70,14 @@ int main()
 	conn->outgoing = cw_itemstore_create();
 	conn->incomming = cw_itemstore_create();
 	conn->local = cw_itemstore_create();
+	conn->base_rmac=get_base_rmac();
+	conn->capwap_mode = CW_MODE_CISCO;
 
 
 	setup_conf(conn);
 
 
+/*
 	cw_itemstore_t board_data = cw_itemstore_create();
 	cw_itemstore_set_dword(board_data, CW_ITEM_WTP_BOARD_VENDOR, conf_vendor_id);
 
@@ -78,11 +87,11 @@ int main()
 	cw_itemstore_set_bstr16n(board_data, CW_ITEM_WTP_BOARD_SERIALNO, 
 			bstr_data(conf_serial_no), bstr_len(conf_serial_no));
 
-
+*/
 	
 
 
-	cw_itemstore_set_avltree(conn->outgoing, CW_ITEM_WTP_BOARD_DATA, board_data);
+//	cw_itemstore_set_avltree(conn->outgoing, CW_ITEM_WTP_BOARD_DATA, board_data);
 
 	cw_acpriolist_t acprios = cw_acpriolist_create();
 	cw_acpriolist_set(acprios,"Master AC",strlen("Master AC"),1);
@@ -100,7 +109,7 @@ int main()
 	the_conn->strict_capwap=0;
 	discovery();
 	join();
-	image_update();
+	//image_update();
 
 
 }