void network_checking(void)
{
int fd;
http_down("/files.json", "http://lab.rt-thread.org/realboard/lpc4088/files.json");
fd = open("/files.json", O_RDONLY, 0);
if (fd >= 0)
{
int length;
char *ptr;
length = lseek(fd, 0, SEEK_END);
if (length > 0)
{
lseek(fd, 0, SEEK_SET);
ptr = (char*)rt_malloc(length);
if (ptr != RT_NULL)
{
struct json_tree* tree;
length = read(fd, ptr, length);
tree = json_tree_parse(ptr, length);
if (tree != RT_NULL)
{
int index = 0;
struct json_node* node;
while (1)
{
const char *url;
const char *local_url;
node = json_node_get_array(&(tree->root), index, RT_NULL);
if (node == RT_NULL) break;
index ++;
url = json_node_get_string(node, "url", RT_NULL);
local_url = json_node_get_string(node, "local_url", RT_NULL);
rt_kprintf("%s=>%s\n", local_url, url);
}
json_tree_destroy(tree);
}
rt_free(ptr);
}
}
close(fd);
}
}
static void json_rpc_handle(const char* json, size_t length)
{
int status = 0;
struct json_tree* tree = RT_NULL;
tree = json_tree_parse(json, length);
if (tree != RT_NULL)
{
const char *version;
const char *method;
struct json_node *params;
int id, index, position;
char cmd[64];
/* check parameter */
version = json_tree_get_string(tree, "jsonrpc", RT_NULL);
method = json_tree_get_string(tree, "method", RT_NULL);
id = json_tree_get_integer(tree, "id", RT_NULL);
params = json_tree_get_node(tree, "params", RT_NULL);
/* parameter check */
if (strcmp(version, "2.0") != 0) goto __exit;
position = 0;
position += rt_sprintf(&cmd[position], "%s(", method);
for (index = 0; index < params->count; index ++)
{
struct json_node *node;
node = params->vu.array[index];
if (index != 0)
position += rt_sprintf(&cmd[position], ",");
if (node->type == JSON_NODE_TYPE_STR)
position += rt_sprintf(&cmd[position], "\"%s\"", node->vu.str_value);
if (node->type == JSON_NODE_TYPE_INT)
position += rt_sprintf(&cmd[position], "%d", node->vu.int_value);
if (node->type == JSON_NODE_TYPE_FLOAT)
position += rt_sprintf(&cmd[position], "%f", node->vu.float_value);
}
position += rt_sprintf(&cmd[position], ")");
rt_kprintf("cmd: %s\n", cmd);
}
__exit:
if (tree != RT_NULL) json_tree_destroy(tree);
return;
}
