Mesh supports multiple Composition Pages, although only one is defined
in the current specification. This change allows saving and retrieval of
any pages, numbered 0-255.
---
mesh/cfgmod-server.c | 42 +++++++++--
mesh/mesh-config-json.c | 162 ++++++++++++++++++++++++++++++++++++++++
mesh/mesh-config.h | 12 +++
mesh/node.c | 130 ++++++++++++++++++++++++++------
mesh/node.h | 6 +-
5 files changed, 320 insertions(+), 32 deletions(-)
diff --git a/mesh/cfgmod-server.c b/mesh/cfgmod-server.c
index c525d9d24..6194fc7d4 100644
--- a/mesh/cfgmod-server.c
+++ b/mesh/cfgmod-server.c
@@ -34,6 +34,12 @@
#define CFG_MAX_MSG_LEN 380
+/* Supported composition pages, sorted high to low */
+/* Only page 0 is currently supported */
+static const uint8_t supported_pages[] = {
+ 0
+};
+
static void send_pub_status(struct mesh_node *node, uint16_t net_idx,
uint16_t src, uint16_t dst,
uint8_t status, uint16_t ele_addr, uint32_t mod_id,
@@ -701,6 +707,33 @@ static void node_reset(void *user_data)
node_remove(node);
}
+static uint16_t get_composition(struct mesh_node *node, uint8_t page,
+ uint8_t *buf)
+{
+ const uint8_t *comp;
+ uint16_t len = 0;
+ size_t i;
+
+ for (i = 0; i < sizeof(supported_pages); i++) {
+ if (page < supported_pages[i])
+ continue;
+
+ page = supported_pages[i];
+ comp = node_get_comp(node, page, &len);
+
+ if (!page || len)
+ break;
+ }
+
+ if (!len)
+ return 0;
+
+ *buf++ = page;
+ memcpy(buf, comp, len);
+
+ return len + 1;
+}
+
static bool cfg_srv_pkt(uint16_t src, uint16_t dst, uint16_t app_idx,
uint16_t net_idx, const uint8_t *data,
uint16_t size, const void *user_data)
@@ -746,16 +779,9 @@ static bool cfg_srv_pkt(uint16_t src, uint16_t dst, uint16_t app_idx,
if (size != 1)
return false;
- /* Only page 0 is currently supported */
- if (pkt[0] != 0) {
- l_debug("Unsupported page number %d", pkt[0]);
- l_debug("Returning page number 0");
- }
long_msg = l_malloc(CFG_MAX_MSG_LEN);
n = mesh_model_opcode_set(OP_DEV_COMP_STATUS, long_msg);
- long_msg[n++] = 0;
- n += node_generate_comp(node, long_msg + n,
- CFG_MAX_MSG_LEN - n);
+ n += get_composition(node, pkt[0], long_msg + n);
break;
diff --git a/mesh/mesh-config-json.c b/mesh/mesh-config-json.c
index 661775f95..88f715fc1 100644
--- a/mesh/mesh-config-json.c
+++ b/mesh/mesh-config-json.c
@@ -430,6 +430,54 @@ static bool read_device_key(json_object *jobj, uint8_t key_buf[16])
return true;
}
+static bool read_comp_pages(json_object *jobj, struct mesh_config_node *node)
+{
+ json_object *jarray, *jentry;
+ struct mesh_config_comp_page *page;
+ int len;
+ int i;
+
+ if (!json_object_object_get_ex(jobj, "pages", &jarray))
+ return true;
+
+ if (json_object_get_type(jarray) != json_type_array)
+ return false;
+
+ len = json_object_array_length(jarray);
+
+ for (i = 0; i < len; i++) {
+ size_t clen;
+ char *str;
+
+ jentry = json_object_array_get_idx(jarray, i);
+ str = (char *)json_object_get_string(jentry);
+ clen = strlen(str);
+
+ if (clen < ((MIN_COMP_SIZE * 2) + 1))
+ continue;
+
+ clen = (clen / 2) - 1;
+
+ page = l_malloc(sizeof(struct mesh_config_comp_page) + clen);
+
+ if (!str2hex(str + 2, clen * 2, page->data, clen))
+ goto parse_fail;
+
+ if (sscanf(str, "%02hhx", &page->page_num) != 1)
+ goto parse_fail;
+
+ page->len = clen;
+
+ l_queue_push_tail(node->pages, page);
+ }
+
+ return true;
+
+parse_fail:
+ l_free(page);
+ return false;
+}
+
static bool read_app_keys(json_object *jobj, struct mesh_config_node *node)
{
json_object *jarray;
@@ -1384,6 +1432,11 @@ static bool read_node(json_object *jnode, struct mesh_config_node *node)
return false;
}
+ if (!read_comp_pages(jnode, node)) {
+ l_info("Failed to read Composition Pages");
+ return false;
+ }
+
if (!parse_elements(jvalue, node)) {
l_info("Failed to parse elements");
return false;
@@ -1889,6 +1942,113 @@ bool mesh_config_model_pub_del(struct mesh_config *cfg, uint16_t addr,
return save_config(cfg->jnode, cfg->node_dir_path);
}
+static void del_page(json_object *jarray, uint8_t page)
+{
+ char buf[3];
+ int i, len;
+
+ if (!jarray)
+ return;
+
+ snprintf(buf, 3, "%2.2x", page);
+
+ len = json_object_array_length(jarray);
+
+ for (i = 0; i < len; i++) {
+ json_object *jentry;
+ char *str;
+
+ jentry = json_object_array_get_idx(jarray, i);
+ str = (char *)json_object_get_string(jentry);
+
+ /* Delete matching page(s) */
+ if (!memcmp(str, buf, 2))
+ json_object_array_del_idx(jarray, i, 1);
+ }
+}
+
+bool mesh_config_comp_page_add(struct mesh_config *cfg, uint8_t page,
+ uint8_t *data, uint16_t size)
+{
+ json_object *jnode, *jstring, *jarray = NULL;
+ char *buf;
+ int len;
+
+ if (!cfg)
+ return false;
+
+ jnode = cfg->jnode;
+
+ json_object_object_get_ex(jnode, "pages", &jarray);
+
+ len = (size * 2) + 3;
+ buf = l_malloc(len);
+ snprintf(buf, len, "%2.2x", page);
+ hex2str(data, size, buf + 2, len - 2);
+
+ if (jarray && jarray_has_string(jarray, buf, len)) {
+ l_free(buf);
+ return true;
+ } else if (!jarray) {
+ jarray = json_object_new_array();
+ json_object_object_add(jnode, "pages", jarray);
+ } else
+ del_page(jarray, page);
+
+ jstring = json_object_new_string(buf);
+ json_object_array_add(jarray, jstring);
+ l_free(buf);
+
+ return save_config(jnode, cfg->node_dir_path);
+}
+
+bool mesh_config_comp_page_mv(struct mesh_config *cfg, uint8_t old, uint8_t nw)
+{
+ json_object *jnode, *jarray = NULL;
+ uint8_t *data;
+ char *str;
+ char old_buf[3];
+ int i, len, dlen = 0;
+ bool status = true;
+
+ if (!cfg || old == nw)
+ return false;
+
+ jnode = cfg->jnode;
+
+ json_object_object_get_ex(jnode, "pages", &jarray);
+
+ if (!jarray)
+ return false;
+
+ snprintf(old_buf, 3, "%2.2x", old);
+ data = l_malloc(MAX_MSG_LEN);
+
+ len = json_object_array_length(jarray);
+
+ for (i = 0; i < len; i++) {
+ json_object *jentry;
+
+ jentry = json_object_array_get_idx(jarray, i);
+ str = (char *)json_object_get_string(jentry);
+
+ /* Delete matching page(s) but save data*/
+ if (!memcmp(str, old_buf, 2)) {
+ dlen = strlen(str + 2);
+ str2hex(str + 2, dlen, data, MAX_MSG_LEN);
+ dlen /= 2;
+ json_object_array_del_idx(jarray, i, 1);
+ }
+ }
+
+ if (dlen)
+ status = mesh_config_comp_page_add(cfg, nw, data, dlen);
+
+ l_free(data);
+
+ return status;
+}
+
bool mesh_config_model_sub_add(struct mesh_config *cfg, uint16_t ele_addr,
uint32_t mod_id, bool vendor,
struct mesh_config_sub *sub)
@@ -2212,6 +2372,7 @@ static bool load_node(const char *fname, const uint8_t uuid[16],
node.elements = l_queue_new();
node.netkeys = l_queue_new();
node.appkeys = l_queue_new();
+ node.pages = l_queue_new();
result = read_node(jnode, &node);
@@ -2238,6 +2399,7 @@ static bool load_node(const char *fname, const uint8_t uuid[16],
l_free(node.net_transmit);
l_queue_destroy(node.netkeys, l_free);
l_queue_destroy(node.appkeys, l_free);
+ l_queue_destroy(node.pages, l_free);
l_queue_destroy(node.elements, free_element);
if (!result)
diff --git a/mesh/mesh-config.h b/mesh/mesh-config.h
index 9f30e693b..7dfa9f20c 100644
--- a/mesh/mesh-config.h
+++ b/mesh/mesh-config.h
@@ -17,6 +17,8 @@
*
*/
+#define MIN_COMP_SIZE 14
+
struct mesh_config;
struct mesh_config_sub {
@@ -88,10 +90,17 @@ struct mesh_config_transmit {
uint8_t count;
};
+struct mesh_config_comp_page {
+ uint16_t len;
+ uint8_t page_num;
+ uint8_t data[];
+};
+
struct mesh_config_node {
struct l_queue *elements;
struct l_queue *netkeys;
struct l_queue *appkeys;
+ struct l_queue *pages;
uint32_t seq_number;
uint32_t iv_index;
bool iv_update;
@@ -139,6 +148,9 @@ bool mesh_config_write_relay_mode(struct mesh_config *cfg, uint8_t mode,
bool mesh_config_write_ttl(struct mesh_config *cfg, uint8_t ttl);
bool mesh_config_write_mode(struct mesh_config *cfg, const char *keyword,
int value);
+bool mesh_config_comp_page_add(struct mesh_config *cfg, uint8_t page,
+ uint8_t *data, uint16_t size);
+bool mesh_config_comp_page_mv(struct mesh_config *cfg, uint8_t old, uint8_t nw);
bool mesh_config_model_binding_add(struct mesh_config *cfg, uint16_t ele_addr,
bool vendor, uint32_t mod_id,
uint16_t app_idx);
diff --git a/mesh/node.c b/mesh/node.c
index 3e888ce61..c61167bda 100644
--- a/mesh/node.c
+++ b/mesh/node.c
@@ -46,8 +46,6 @@
#include "mesh/manager.h"
#include "mesh/node.h"
-#define MIN_COMP_SIZE 14
-
#define MESH_NODE_PATH_PREFIX "/node"
/* Default values for a new locally created node */
@@ -81,6 +79,7 @@ struct node_composition {
struct mesh_node {
struct mesh_net *net;
struct l_queue *elements;
+ struct l_queue *pages;
char *app_path;
char *owner;
char *obj_path;
@@ -266,6 +265,7 @@ static struct mesh_node *node_new(const uint8_t uuid[16])
node = l_new(struct mesh_node, 1);
node->net = mesh_net_new(node);
node->elements = l_queue_new();
+ node->pages = l_queue_new();
memcpy(node->uuid, uuid, sizeof(node->uuid));
set_defaults(node);
@@ -335,6 +335,7 @@ static void free_node_resources(void *data)
/* Free dynamic resources */
free_node_dbus_resources(node);
l_queue_destroy(node->elements, element_free);
+ l_queue_destroy(node->pages, l_free);
mesh_agent_remove(node->agent);
mesh_config_release(node->cfg);
mesh_net_free(node->net);
@@ -557,8 +558,15 @@ static bool init_from_storage(struct mesh_config_node *db_node,
l_queue_foreach(db_node->netkeys, set_net_key, node);
- if (db_node->appkeys)
- l_queue_foreach(db_node->appkeys, set_appkey, node);
+ l_queue_foreach(db_node->appkeys, set_appkey, node);
+
+ while (l_queue_length(db_node->pages)) {
+ struct mesh_config_comp_page *page;
+
+ /* Move the composition pages to the node struct */
+ page = l_queue_pop_head(db_node->pages);
+ l_queue_push_tail(node->pages, page);
+ }
mesh_net_set_seq_num(node->net, node->seq_number);
mesh_net_set_default_ttl(node->net, node->ttl);
@@ -877,7 +885,8 @@ uint8_t node_friend_mode_get(struct mesh_node *node)
return node->friend;
}
-uint16_t node_generate_comp(struct mesh_node *node, uint8_t *buf, uint16_t sz)
+static uint16_t node_generate_comp(struct mesh_node *node, uint8_t *buf,
+ uint16_t sz)
{
uint16_t n, features;
uint16_t num_ele = 0;
@@ -991,6 +1000,78 @@ element_done:
return n;
}
+static bool match_page(const void *a, const void *b)
+{
+ const struct mesh_config_comp_page *page = a;
+ uint8_t page_num = L_PTR_TO_UINT(b);
+
+ return page->page_num == page_num;
+}
+
+bool node_set_comp(struct mesh_node *node, uint8_t page_num,
+ const uint8_t *data, uint16_t len)
+{
+ struct mesh_config_comp_page *page;
+
+ if (!node || len < MIN_COMP_SIZE)
+ return false;
+
+ page = l_queue_remove_if(node->pages, match_page,
+ L_UINT_TO_PTR(page_num));
+
+ l_free(page);
+
+ page = l_malloc(sizeof(struct mesh_config_comp_page) + len);
+ page->len = len;
+ page->page_num = page_num;
+ memcpy(page->data, data, len);
+ l_queue_push_tail(node->pages, page);
+
+ mesh_config_comp_page_add(node->cfg, page_num, page->data, len);
+
+ return true;
+}
+
+const uint8_t *node_get_comp(struct mesh_node *node, uint8_t page_num,
+ uint16_t *len)
+{
+ struct mesh_config_comp_page *page = NULL;
+
+ if (node)
+ page = l_queue_find(node->pages, match_page,
+ L_UINT_TO_PTR(page_num));
+
+ if (!page) {
+ *len = 0;
+ return NULL;
+ }
+
+ *len = page->len;
+ return page->data;
+}
+
+bool node_replace_comp(struct mesh_node *node, uint8_t retire, uint8_t with)
+{
+ struct mesh_config_comp_page *old_page, *keep;
+
+ if (!node)
+ return false;
+
+ keep = l_queue_find(node->pages, match_page, L_UINT_TO_PTR(with));
+
+ if (!keep)
+ return false;
+
+ old_page = l_queue_remove_if(node->pages, match_page,
+ L_UINT_TO_PTR(retire));
+
+ l_free(old_page);
+ keep->page_num = retire;
+ mesh_config_comp_page_mv(node->cfg, with, retire);
+
+ return true;
+}
+
static void attach_io(void *a, void *b)
{
struct mesh_node *node = a;
@@ -1486,27 +1567,30 @@ static void update_model_options(struct mesh_node *node,
static bool check_req_node(struct managed_obj_request *req)
{
- uint8_t node_comp[MAX_MSG_LEN - 2];
- uint8_t attach_comp[MAX_MSG_LEN - 2];
- uint16_t offset = 10;
- uint16_t node_len = node_generate_comp(req->node, node_comp,
- sizeof(node_comp));
+ struct mesh_node *node;
+ const int offset = 8;
+ uint16_t node_len, len;
+ uint8_t comp[MAX_MSG_LEN - 2];
+ const uint8_t *node_comp;
- if (!node_len)
- return false;
+ if (req->type == REQUEST_TYPE_ATTACH)
+ node = req->attach;
+ else
+ node = req->node;
- if (req->type == REQUEST_TYPE_ATTACH) {
- uint16_t attach_len = node_generate_comp(req->attach,
- attach_comp, sizeof(attach_comp));
+ node_comp = node_get_comp(node, 0, &node_len);
+ len = node_generate_comp(node, comp, sizeof(comp));
- /* Verify only element/models composition */
- if (node_len != attach_len ||
- memcmp(&node_comp[offset], &attach_comp[offset],
- node_len - offset)) {
- l_debug("Failed to verify app's composition data");
- return false;
- }
- }
+ /* If no page 0 exists, save it and return */
+ if (req->type != REQUEST_TYPE_ATTACH || !node_len || !node_comp)
+ return node_set_comp(node, 0, comp, len);
+
+ if (node_len != len || memcmp(&node_comp[offset], &comp[offset],
+ node_len - offset))
+ return false;
+
+ else if (memcmp(node_comp, comp, node_len))
+ return node_set_comp(node, 0, comp, len);
return true;
}
diff --git a/mesh/node.h b/mesh/node.h
index 6c4542a78..df058458a 100644
--- a/mesh/node.h
+++ b/mesh/node.h
@@ -63,7 +63,11 @@ struct l_queue *node_get_element_models(struct mesh_node *node, uint8_t ele_idx,
uint16_t node_get_crpl(struct mesh_node *node);
bool node_init_from_storage(struct mesh_node *node, const uint8_t uuid[16],
struct mesh_config_node *db_node);
-uint16_t node_generate_comp(struct mesh_node *node, uint8_t *buf, uint16_t sz);
+const uint8_t *node_get_comp(struct mesh_node *node, uint8_t page_num,
+ uint16_t *len);
+bool node_set_comp(struct mesh_node *node, uint8_t page_num,
+ const uint8_t *data, uint16_t len);
+bool node_replace_comp(struct mesh_node *node, uint8_t retire, uint8_t with);
uint8_t node_lpn_mode_get(struct mesh_node *node);
bool node_relay_mode_set(struct mesh_node *node, bool enable, uint8_t cnt,
uint16_t interval);
--
2.25.4
