Re: [PATCH BlueZ v3 3/3] mesh: Separate json type from the node.c file

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 07/05, Jakub Witowski wrote:
> This creates intermediate layer between imported node data and parser.

I don't think it's worth having a separate patch for this, please squash
it with 2/3.

> ---
>  mesh/mesh-db.c | 147 ++++++++++++++++++++++++++++++++++++-
>  mesh/mesh-db.h |  11 +++
>  mesh/mesh.c    |  31 +++++---
>  mesh/node.c    | 193 ++++++++++---------------------------------------
>  mesh/node.h    |   3 +-
>  5 files changed, 215 insertions(+), 170 deletions(-)
> 
> diff --git a/mesh/mesh-db.c b/mesh/mesh-db.c
> index e0a000261..0e8f40470 100644
> --- a/mesh/mesh-db.c
> +++ b/mesh/mesh-db.c
> @@ -31,7 +31,7 @@
>  
>  #include "mesh/mesh-defs.h"
>  #include "mesh/util.h"
> -
> +#include "mesh/node.h"
>  #include "mesh/mesh-db.h"
>  
>  #define CHECK_KEY_IDX_RANGE(x) (((x) >= 0) && ((x) <= 4095))
> @@ -253,6 +253,118 @@ static json_object *jarray_key_del(json_object *jarray, int16_t idx)
>  	return jarray_new;
>  }
>  
> +static bool parse_imported_unicast_addr(json_object *jobj, uint16_t *unicast)
> +{
> +	char *str = (char *)json_object_get_string(jobj);
> +
> +	if (sscanf(str, "%04hx", unicast) != 1)
> +		return false;
> +
> +	return true;
> +}
> +
> +static bool parse_imported_net_key(json_object *jobj, uint8_t key_buf[16],
> +							uint16_t *net_idx)
> +{
> +	json_object *jtemp, *jvalue;
> +	char *str;
> +	uint8_t key[16];
> +
> +	if (json_object_get_type(jobj) != json_type_array)
> +		return false;
> +
> +	jtemp = json_object_array_get_idx(jobj, 0);
> +
> +	if (!json_object_object_get_ex(jtemp, "index", &jvalue))
> +		return false;
> +
> +	*net_idx = (uint16_t)json_object_get_int(jvalue);
> +
> +	if (*net_idx > 4095)
> +		return false;
> +
> +	if (!json_object_object_get_ex(jtemp, "key", &jvalue))
> +		return false;
> +
> +	str = (char *)json_object_get_string(jvalue);
> +	if (!str2hex(str, strlen(str), key, 16))
> +		return false;
> +
> +	memcpy(&key_buf[0], &key[0], 16);
> +
> +	/* Imported node shouldn't contain oldKey or keyRefresh */
> +	if (json_object_object_get_ex(jtemp, "oldKey", NULL))
> +		return false;
> +
> +	if (json_object_object_get_ex(jtemp, "keyRefresh", NULL))
> +		return false;
> +
> +	return true;
> +}
> +
> +static uint32_t parse_imported_sequence(json_object *jobj,
> +							uint32_t default_seq_nr)
> +{
> +	json_object *jvalue;
> +
> +	if (json_object_object_get_ex(jobj, "sequenceNumber", &jvalue))
> +		return (uint32_t) json_object_get_int(jvalue);
> +	else
> +		return default_seq_nr;
> +}
> +
> +static bool json_iter(json_object *jobj, struct mesh_db_import *db_node)
> +{
> +	bool dev_key = false, unicast = false;
> +	bool iv_index = false, net_key = false;
> +
> +	json_object_object_foreach(jobj, key, val) {
> +
> +		if (!strcmp(key, "deviceKey")) {
> +
> +			dev_key = true;
> +			if (!mesh_db_read_device_key(jobj, db_node->dev_key)) {
> +				l_error("Failed to parse imported device key");
> +				return false;
> +			}
> +
> +		} else if (!strcmp(key, "unicastAddress")) {
> +
> +			unicast = true;
> +			if (!parse_imported_unicast_addr(val,
> +						&db_node->node->unicast)) {
> +				l_error("Failed to parse imported unicast");
> +				return false;
> +			}
> +
> +		} else if (!strcmp(key, "IVindex")) {
> +
> +			iv_index = true;
> +			if (!mesh_db_read_iv_index(jobj, &db_node->iv_index,
> +							&db_node->iv_update)) {
> +				l_error("Failed to parse iv_index");
> +				return false;
> +			}
> +
> +		} else if (!strcmp(key, "netKeys")) {
> +
> +			net_key = true;
> +			if (!parse_imported_net_key(val, db_node->net_key,
> +							&db_node->net_idx)) {
> +				l_error("Failed to parse imported network key");
> +				return false;
> +			}
> +
> +		} else {
> +			if (strcmp(key, "sequenceNumber") &&
> +							strcmp(key, "IVupdate"))
> +				return false;
> +		}
> +	}
> +
> +	return dev_key && unicast && net_key && iv_index;
> +}
> +
>  bool mesh_db_read_iv_index(json_object *jobj, uint32_t *idx, bool *update)
>  {
>  	int tmp;
> @@ -1438,7 +1550,8 @@ static void add_model(void *a, void *b)
>  }
>  
>  /* Add unprovisioned node (local) */
> -bool mesh_db_add_node(json_object *jnode, struct mesh_db_node *node) {
> +bool mesh_db_add_node(json_object *jnode, struct mesh_db_node *node)
> +{
>  
>  	struct mesh_db_modes *modes = &node->modes;
>  	const struct l_queue_entry *entry;
> @@ -1783,3 +1896,33 @@ bool mesh_db_model_sub_del_all(json_object *jnode, uint16_t addr,
>  
>  	return delete_model_property(jnode, addr, mod_id, vendor, "subscribe");
>  }
> +
> +
> +
> +struct mesh_db_import *mesh_db_parse_import_data(const char *import_data)
> +{
> +	json_object *jobj = json_tokener_parse(import_data);
> +	struct mesh_db_import *db_node = l_new(struct mesh_db_import, 1);
> +
> +	if (!jobj)
> +		goto fail;
> +
> +	db_node->node = l_new(struct mesh_db_node, 1);
> +
> +	if (!json_iter(jobj, db_node))
> +		goto fail;
> +
> +	db_node->node->seq_number =
> +			parse_imported_sequence(jobj, DEFAULT_SEQUENCE_NUMBER);
> +
> +	return db_node;
> +fail:
> +	if (jobj)
> +		json_object_put(jobj);
> +
> +	if (db_node->node)
> +		l_free(db_node->node);
> +
> +	l_free(db_node);
> +	return NULL;
> +}
> diff --git a/mesh/mesh-db.h b/mesh/mesh-db.h
> index da5efa12a..a227319ca 100644
> --- a/mesh/mesh-db.h
> +++ b/mesh/mesh-db.h
> @@ -16,6 +16,7 @@
>   *  Lesser General Public License for more details.
>   *
>   */
> +#include <json-c/json.h>
>  
>  struct mesh_db_sub {
>  	bool virt;
> @@ -93,6 +94,15 @@ struct mesh_db_prov {
>  	uint8_t priv_key[32];
>  };
>  
> +struct mesh_db_import {
> +	struct mesh_db_node *node;
> +	uint8_t dev_key[16];
> +	uint8_t net_key[16];
> +	uint16_t net_idx;
> +	uint32_t iv_index;
> +	bool iv_update;
> +};
> +
>  typedef bool (*mesh_db_net_key_cb)(uint16_t idx, uint8_t key[16],
>  			uint8_t new_key[16], int phase, void *user_data);
>  typedef bool (*mesh_db_app_key_cb)(uint16_t idx, uint16_t net_idx,
> @@ -155,3 +165,4 @@ bool mesh_db_net_key_set_phase(json_object *jobj, uint16_t idx, uint8_t phase);
>  bool mesh_db_write_address(json_object *jobj, uint16_t address);
>  bool mesh_db_write_iv_index(json_object *jobj, uint32_t idx, bool update);
>  void mesh_db_remove_property(json_object *jobj, const char *desc);
> +struct mesh_db_import *mesh_db_parse_import_data(const char *import_data);
> diff --git a/mesh/mesh.c b/mesh/mesh.c
> index b3def7817..6234121c9 100644
> --- a/mesh/mesh.c
> +++ b/mesh/mesh.c
> @@ -22,7 +22,6 @@
>  #endif
>  
>  #define _GNU_SOURCE
> -#include <json-c/json.h>
>  #include <string.h>
>  #include <ell/ell.h>
>  
> @@ -36,6 +35,7 @@
>  #include "mesh/error.h"
>  #include "mesh/agent.h"
>  #include "mesh/mesh.h"
> +#include "mesh/mesh-db.h"
>  
>  /*
>   * The default values for mesh configuration. Can be
> @@ -391,10 +391,10 @@ fail:
>  
>  static bool validate_data_type(const char *data_type)
>  {
> -	uint8_t len = sizeof(supported_import_data_types) /
> -					sizeof(supported_import_data_types[0]);
> +	uint8_t idx = 0;
> +	uint8_t len = L_ARRAY_SIZE(supported_import_data_types);
>  
> -	for (uint8_t idx = 0; idx < len; idx++) {
> +	for (idx = 0; idx < len; idx++) {
>  		if (strcmp(data_type, supported_import_data_types[idx]) == 0)
>  			return true;
>  	}
> @@ -624,10 +624,10 @@ static struct l_dbus_message *import_local_node_call(struct l_dbus *dbus,
>  	const char *app_path, *sender;
>  	struct l_dbus_message *pending_msg;
>  	struct l_dbus_message_iter iter_uuid, iter_import_data;
> +	struct mesh_db_import *p_node;
>  	const char *data_type, *import_data;
>  	uint8_t *uuid;
>  	uint32_t n;
> -	struct json_object *jnode;
>  
>  	l_debug("Import local node request");
>  
> @@ -652,7 +652,11 @@ static struct l_dbus_message *import_local_node_call(struct l_dbus *dbus,
>  		return dbus_error(msg, MESH_ERROR_INVALID_ARGS,
>  							"Bad import_data");
>  
> -	jnode = json_tokener_parse(import_data);
> +	p_node = mesh_db_parse_import_data(import_data);
> +
> +	if (!p_node)
> +		return dbus_error(msg, MESH_ERROR_INVALID_ARGS,
> +						"Failed to parse import_data");
>  
>  	sender = l_dbus_message_get_sender(msg);
>  	pending_msg = l_dbus_message_ref(msg);
> @@ -662,14 +666,17 @@ static struct l_dbus_message *import_local_node_call(struct l_dbus *dbus,
>  
>  	l_queue_push_tail(pending_queue, pending_msg);
>  
> -	if (!node_import(app_path, sender, jnode, uuid, create_node_ready_cb,
> -								pending_msg)) {
> -		l_dbus_message_unref(msg);
> -		return dbus_error(msg, MESH_ERROR_INVALID_ARGS,
> -							"Node import failed");
> -	}
> +	if (!node_import(app_path, sender, p_node, uuid, create_node_ready_cb,
> +								pending_msg))
> +		goto fail;
>  
>  	return NULL;
> +
> +fail:
> +	l_free(p_node);
> +	l_dbus_message_unref(msg);
> +	l_queue_remove(pending_queue, pending_msg);
> +	return dbus_error(msg, MESH_ERROR_INVALID_ARGS, "Node import failed");
>  }
>  
>  static void setup_network_interface(struct l_dbus_interface *iface)
> diff --git a/mesh/node.c b/mesh/node.c
> index 00c3270fd..db04c0c87 100644
> --- a/mesh/node.c
> +++ b/mesh/node.c
> @@ -26,8 +26,6 @@
>  #include <sys/time.h>
>  
>  #include <ell/ell.h>
> -#include <json-c/json.h>
> -#include <stdio.h>
>  
>  #include "mesh/mesh-defs.h"
>  #include "mesh/mesh.h"
> @@ -56,7 +54,6 @@
>  #define DEFAULT_LOCATION 0x0000
>  
>  #define DEFAULT_CRPL 10
> -#define DEFAULT_SEQUENCE_NUMBER 0
>  
>  enum request_type {
>  	REQUEST_TYPE_JOIN = 0,
> @@ -119,13 +116,7 @@ struct managed_obj_request {
>  
>  struct node_import_request {
>  	uint8_t uuid[16];
> -	uint8_t dev_key[16];
> -	uint8_t net_key[16];
> -	uint16_t net_idx;
> -	uint16_t unicast;
> -	uint32_t iv_idx;
> -	bool iv_update;
> -	uint32_t sequence;
> +	struct mesh_db_import *import;
>  	void *user_data;
>  };
>  
> @@ -885,8 +876,7 @@ element_done:
>  
>  #define MIN_COMPOSITION_LEN 16
>  
> -bool node_parse_composition(struct mesh_node *node, uint8_t *data,
> -			    uint16_t len)
> +bool node_parse_composition(struct mesh_node *node, uint8_t *data, uint16_t len)
>  {
>  	struct node_composition *comp;
>  	uint16_t features;
> @@ -981,7 +971,7 @@ bool node_parse_composition(struct mesh_node *node, uint8_t *data,
>  			vendor_id = l_get_le16(data);
>  			mod_id |= (vendor_id << 16);
>  			mod = mesh_model_vendor_new(ele->idx, vendor_id,
> -						    mod_id);
> +									mod_id);
>  			if (!mod) {
>  				element_free(ele);
>  				goto fail;
> @@ -1012,6 +1002,7 @@ fail:
>  
>  	return false;
>  }
> +
>  static void attach_io(void *a, void *b)
>  {
>  	struct mesh_node *node = a;
> @@ -1400,82 +1391,6 @@ static bool get_app_properties(struct mesh_node *node, const char *path,
>  	return true;
>  }
>  
> -static bool parse_imported_unicast_addr(json_object *jobj, uint16_t *unicast)
> -{
> -	char *str;
> -
> -	str = (char *)json_object_get_string(jobj);
> -
> -	if (sscanf(str, "%04hx", unicast) != 1)
> -		return false;
> -
> -	return true;
> -}
> -
> -static bool parse_imported_device_key(json_object *jobj, uint8_t key_buf[16])
> -{
> -	char *str;
> -
> -	if (!key_buf)
> -		return false;
> -
> -	str = (char *)json_object_get_string(jobj);
> -
> -	if (!str2hex(str, strlen(str), key_buf, 16))
> -		return false;
> -
> -	return true;
> -}
> -
> -static void parse_imported_sequence_nr(json_object *jobj, uint32_t *seq)
> -{
> -	json_object *jvalue;
> -
> -	if (json_object_object_get_ex(jobj, "sequenceNumber", &jvalue))
> -		*seq = (uint32_t) json_object_get_int(jvalue);
> -	else
> -		*seq = DEFAULT_SEQUENCE_NUMBER;
> -}
> -
> -static bool parse_imported_net_key(json_object *jobj, uint8_t key_buf[16],
> -							uint16_t *net_idx)
> -{
> -	json_object *jtemp, *jvalue;
> -	char *str;
> -	uint8_t key[16];
> -
> -	if (json_object_get_type(jobj) != json_type_array)
> -		return false;
> -
> -	jtemp = json_object_array_get_idx(jobj, 0);
> -
> -	if (!json_object_object_get_ex(jtemp, "index", &jvalue))
> -		return false;
> -
> -	*net_idx = (uint16_t)json_object_get_int(jvalue);
> -
> -	if (*net_idx > 4095)
> -		return false;
> -
> -	if (!json_object_object_get_ex(jtemp, "key", &jvalue))
> -		return false;
> -
> -	str = (char *)json_object_get_string(jvalue);
> -	if (!str2hex(str, strlen(str), key, 16))
> -		return false;
> -
> -	memcpy(&key_buf[0], &key[0], 16);
> -
> -	/* Imported node shouldn't contain oldKey or keyRefresh */
> -	if (json_object_object_get_ex(jtemp, "oldKey", NULL))
> -		return false;
> -
> -	if (json_object_object_get_ex(jtemp, "keyRefresh", NULL))
> -		return false;
> -
> -	return true;
> -}
> -
>  static bool add_local_node(struct mesh_node *node, uint16_t unicast, bool kr,
>  				bool ivu, uint32_t iv_idx, uint8_t dev_key[16],
>  				uint16_t net_key_idx, uint8_t net_key[16])
> @@ -1652,7 +1567,8 @@ static void get_managed_objects_cb(struct l_dbus_message *msg, void *user_data)
>  	} else if (req->type == REQUEST_TYPE_IMPORT) {
>  
>  		node_ready_func_t cb = req->cb;
> -		struct node_import_request *import_data = req->user_data;
> +		struct node_import_request *import_req = req->user_data;
> +		struct mesh_db_import *db_node = import_req->import;
>  		struct keyring_net_key net_key;
>  
>  		if (!agent) {
> @@ -1664,32 +1580,32 @@ static void get_managed_objects_cb(struct l_dbus_message *msg, void *user_data)
>  		node->num_ele = num_ele;
>  		set_defaults(node);
>  
> -		if (node->seq_number != import_data->sequence)
> -			node->seq_number = import_data->sequence;
> +		if (node->seq_number != db_node->node->seq_number)
> +			node->seq_number = db_node->node->seq_number;
>  
> -		memcpy(node->uuid, import_data->uuid, 16);
> +		memcpy(node->uuid, import_req->uuid, 16);
>  
>  		if (!create_node_config(node))
>  			goto fail;
>  
> -		if (!add_local_node(node, import_data->unicast, false,
> -				import_data->iv_update, import_data->iv_idx,
> -				import_data->dev_key, import_data->net_idx,
> -							import_data->net_key))
> +		if (!add_local_node(node, db_node->node->unicast, false,
> +					db_node->iv_update, db_node->iv_index,
> +					db_node->dev_key, db_node->net_idx,
> +					db_node->net_key))
>  			goto fail;
>  
> -		memcpy(net_key.old_key, import_data->net_key, 16);
> -		net_key.net_idx = import_data->net_idx;
> +		memcpy(net_key.old_key, db_node->net_key, 16);
> +		net_key.net_idx = db_node->net_idx;
>  		net_key.phase = KEY_REFRESH_PHASE_NONE;
>  
> -		if (!keyring_put_remote_dev_key(node, import_data->unicast,
> -						num_ele, import_data->dev_key))
> +		if (!keyring_put_remote_dev_key(node, db_node->node->unicast,
> +						num_ele, db_node->dev_key))
>  			goto fail;
>  
>  		if (!keyring_put_net_key(node, PRIMARY_NET_IDX, &net_key))
>  			goto fail;
>  
> -		cb(import_data->user_data, MESH_ERROR_NONE, node);
> +		cb(import_req->user_data, MESH_ERROR_NONE, node);
>  
>  	} else {
>  		/* Callback for create node request */
> @@ -1749,11 +1665,10 @@ fail:
>  			cb(NULL, NULL);
>  
>  		} else if (req->type == REQUEST_TYPE_IMPORT) {
> -			struct node_import_request *import_data =
> -								req->user_data;
> +			struct node_import_request *import_req = req->user_data;
>  			node_ready_func_t cb = req->cb;
>  
> -			cb(import_data->user_data, MESH_ERROR_FAILED, NULL);
> +			cb(import_req->user_data, MESH_ERROR_FAILED, NULL);
>  
>  		} else {
>  			node_ready_func_t cb = req->cb;
> @@ -1820,58 +1735,29 @@ void node_join(const char *app_path, const char *sender, const uint8_t *uuid,
>  }
>  
>  static bool node_import_full(const char *app_path, const char *sender,
> -					void *json_data, const uint8_t *uuid,
> +					struct mesh_db_import *db_node,
> +					const uint8_t *uuid,
>  					node_ready_func_t cb, void *user_data)
>  {
>  	return false;
>  }
>  
>  static bool node_import_simplified(const char *app_path, const char *sender,
> -					void *json_data, const uint8_t *uuid,
> +					struct mesh_db_import *db_node,
> +					const uint8_t *uuid,
>  					node_ready_func_t cb, void *user_data)
>  {
>  	struct managed_obj_request *req = l_new(struct managed_obj_request, 1);
> -	struct node_import_request *node = l_new(struct node_import_request, 1);
> -
> -	json_object_object_foreach(json_data, key, val) {
> -
> -		if (!strcmp(key, "deviceKey")) {
> -			if (!parse_imported_device_key(val, node->dev_key)) {
> -				l_error("Failed to parse imported device key");
> -				goto fail;
> -			}
> -
> -		} else if (!strcmp(key, "unicastAddress")) {
> -			if (!parse_imported_unicast_addr(val, &node->unicast)) {
> -				l_error("Failed to parse imported unicast");
> -				goto fail;
> -			}
> +	struct node_import_request *import_req =
> +					l_new(struct node_import_request, 1);
>  
> -		} else if (!strcmp(key, "IVindex")) {
> -			node->iv_idx = (uint32_t) json_object_get_int(val);
> -
> -		} else if (!strcmp(key, "IVupdate")) {
> -			node->iv_update = (bool) json_object_get_int(val);
> -
> -		} else if (!strcmp(key, "netKeys")) {
> -			if (!parse_imported_net_key(val,
> -					node->net_key, &node->net_idx)) {
> -				l_error("Failed to parse imported network key");
> -				goto fail;
> -			}
> -
> -		} else {
> -			if (strcmp(key, "sequenceNumber"))
> -				goto fail;
> -		}
> -	}
> -
> -	parse_imported_sequence_nr(json_data, &node->sequence);
> -	node->user_data = user_data;
> +	l_debug("");
> +	import_req->user_data = user_data;
> +	import_req->import = db_node;
> +	memcpy(import_req->uuid, uuid, 16);
>  
> -	memcpy(node->uuid, uuid, 16);
>  	req->data = (void *) uuid;
> -	req->user_data = node;
> +	req->user_data = import_req;
>  	req->cb = cb;
>  	req->type = REQUEST_TYPE_IMPORT;
>  
> @@ -1881,21 +1767,18 @@ static bool node_import_simplified(const char *app_path, const char *sender,
>  						get_managed_objects_cb,
>  						req, l_free);
>  	return true;
> -
> -fail:
> -	json_object_put(json_data);
> -	l_free(node);
> -	return false;
>  }
>  
> -bool node_import(const char *app_path, const char *sender, void *json_data,
> +bool node_import(const char *app_path, const char *sender, void *import,
>  		const uint8_t *uuid, node_ready_func_t cb, void *user_data)
>  {
> -	if (!json_object_object_get_ex(json_data, "elements", NULL))
> -		return node_import_simplified(app_path, sender, json_data,
> -							uuid, cb, user_data);
> +	struct mesh_db_import *db_node = (struct mesh_db_import *)import;
> +
> +	if (!db_node->node->elements)
> +		return node_import_simplified(app_path, sender, db_node, uuid,
> +								cb, user_data);
>  	else
> -		return node_import_full(app_path, sender, json_data, uuid,
> +		return node_import_full(app_path, sender, db_node, uuid,
>  								cb, user_data);
>  }
>  
> diff --git a/mesh/node.h b/mesh/node.h
> index 9559f9178..7f1093df7 100644
> --- a/mesh/node.h
> +++ b/mesh/node.h
> @@ -26,6 +26,7 @@ struct mesh_agent;
>  #define MIN_SEQ_TRIGGER	32
>  #define MIN_SEQ_CACHE		(2*MIN_SEQ_TRIGGER)
>  #define MIN_SEQ_CACHE_TIME	(5*60)
> +#define DEFAULT_SEQUENCE_NUMBER 0
>  
>  typedef void (*node_ready_func_t) (void *user_data, int status,
>  							struct mesh_node *node);
> @@ -91,7 +92,7 @@ void node_build_attach_reply(struct mesh_node *node,
>  						struct l_dbus_message *reply);
>  void node_create(const char *app_path, const char *sender, const uint8_t *uuid,
>  					node_ready_func_t cb, void *user_data);
> -bool node_import(const char *app_path, const char *sender, void *jnode,
> +bool node_import(const char *app_path, const char *sender, void *import,
>  		const uint8_t *uuid, node_ready_func_t cb, void *user_data);
>  void node_id_set(struct mesh_node *node, uint16_t node_id);
>  uint16_t node_id_get(struct mesh_node *node);
> -- 
> 2.20.1
> 

-- 
Michał Lowas-Rzechonek <michal.lowas-rzechonek@xxxxxxxxxxx>
Silvair http://silvair.com
Jasnogórska 44, 31-358 Krakow, POLAND



[Index of Archives]     [Bluez Devel]     [Linux Wireless Networking]     [Linux Wireless Personal Area Networking]     [Linux ATH6KL]     [Linux USB Devel]     [Linux Media Drivers]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Big List of Linux Books]

  Powered by Linux