const acl_int64* json_node::get_int64(void) const
{
if (!is_number())
return NULL;
const char* txt = get_text();
if (txt == NULL || *txt == 0)
return NULL;
const_cast<json_node*>(this)->node_val_.n = acl_atoi64(txt);
return &node_val_.n;
}
static void __update_conf_int64_vars(ACL_CONFIG_INT64_TABLE cit[],
const char *name, const char *value)
{
int i;
for (i = 0; cit[i].name != 0; i++) {
if (strcasecmp(cit[i].name, name) == 0)
*(cit[i].target) = acl_atoi64(value);
}
}
int http_hdr_res_range(HTTP_HDR_RES *hdr_res, http_off_t *range_from,
http_off_t *range_to, http_off_t *total_length)
{
const char* myname = "http_hdr_res_range";
const char* value;
char buf[256], *ptr, *pfrom, *pto;
if (hdr_res == NULL)
acl_msg_fatal("%s(%d): hdr_res null", myname, __LINE__);
if (range_from == NULL)
acl_msg_fatal("%s(%d): range_from null", myname, __LINE__);
if (range_to == NULL)
acl_msg_fatal("%s(%d): range_to null", myname, __LINE__);
value = http_hdr_entry_value(&hdr_res->hdr, "Content-Range");
if (value == NULL)
return (-1);
ACL_SAFE_STRNCPY(buf, value, sizeof(buf));
/* 响应的 Range 数据格式：Content-Range: bytes {range_from}-{range_to}/{total_length}
* 其中: {range_from}, {range_to} 的下标是从0开始的
*/
/* Content-Range: bytes 2250000-11665200/11665201 */
/* value: bytes 2250000-11665200/11665201 */
if (strncasecmp(buf, "bytes", sizeof("bytes") - 1) != 0)
return (-1);
ptr = buf + sizeof("bytes") -1;
while (*ptr == ' ' || *ptr == '\t') {
ptr++;
}
if (*ptr == 0)
return (-1);
/* ptr: 2250000-11665200/11665201 */
pfrom = ptr;
pto = strchr(pfrom, '-');
if (pto == NULL || pto == pfrom)
return (-1);
*pto++ = 0;
/* pto: 11665200/11665201 */
ptr = strchr(pto, '/');
if (ptr == NULL || ptr == pto)
return (-1);
*ptr++ = 0;
/* pto: 11665200; ptr: 11665201 */
*range_from = acl_atoi64(pfrom);
if (*range_from < 0)
return (-1);
*range_to = acl_atoi64(pto);
if (*range_to < 0)
return (-1);
/* 可选项 */
if (total_length) {
*total_length = acl_atoi64(ptr);
if (*total_length < 0)
return (-1);
}
return (0);
}