8c24d921b0
sample: examples\aliyun_iotkit_csdk_mqtt project: board\TencentOS_tiny_EVB_MX_Plus\KEIL\aliyun_iotkit_csdk_mqtt
84 lines
1.7 KiB
C
84 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2015-2018 Alibaba Group Holding Limited
|
|
*/
|
|
|
|
|
|
#include "nghttp2_rcbuf.h"
|
|
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#include "nghttp2_mem.h"
|
|
#include "nghttp2_helper.h"
|
|
|
|
int nghttp2_rcbuf_new(nghttp2_rcbuf **rcbuf_ptr, size_t size,
|
|
nghttp2_mem *mem) {
|
|
uint8_t *p;
|
|
|
|
p = nghttp2_mem_malloc(mem, sizeof(nghttp2_rcbuf) + size);
|
|
if (p == NULL) {
|
|
return NGHTTP2_ERR_NOMEM;
|
|
}
|
|
|
|
*rcbuf_ptr = (void *)p;
|
|
|
|
(*rcbuf_ptr)->mem_user_data = mem->mem_user_data;
|
|
(*rcbuf_ptr)->free = mem->free;
|
|
(*rcbuf_ptr)->base = p + sizeof(nghttp2_rcbuf);
|
|
(*rcbuf_ptr)->len = size;
|
|
(*rcbuf_ptr)->ref = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int nghttp2_rcbuf_new2(nghttp2_rcbuf **rcbuf_ptr, const uint8_t *src,
|
|
size_t srclen, nghttp2_mem *mem) {
|
|
int rv;
|
|
|
|
rv = nghttp2_rcbuf_new(rcbuf_ptr, srclen + 1, mem);
|
|
if (rv != 0) {
|
|
return rv;
|
|
}
|
|
|
|
(*rcbuf_ptr)->len = srclen;
|
|
*nghttp2_cpymem((*rcbuf_ptr)->base, src, srclen) = '\0';
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Frees |rcbuf| itself, regardless of its reference cout.
|
|
*/
|
|
void nghttp2_rcbuf_del(nghttp2_rcbuf *rcbuf) {
|
|
nghttp2_mem_free2(rcbuf->free, rcbuf, rcbuf->mem_user_data);
|
|
}
|
|
|
|
void nghttp2_rcbuf_incref(nghttp2_rcbuf *rcbuf) {
|
|
if (rcbuf->ref == -1) {
|
|
return;
|
|
}
|
|
|
|
++rcbuf->ref;
|
|
}
|
|
|
|
void nghttp2_rcbuf_decref(nghttp2_rcbuf *rcbuf) {
|
|
if (rcbuf == NULL || rcbuf->ref == -1) {
|
|
return;
|
|
}
|
|
|
|
assert(rcbuf->ref > 0);
|
|
|
|
if (--rcbuf->ref == 0) {
|
|
nghttp2_rcbuf_del(rcbuf);
|
|
}
|
|
}
|
|
|
|
nghttp2_vec nghttp2_rcbuf_get_buf(nghttp2_rcbuf *rcbuf) {
|
|
nghttp2_vec res = {rcbuf->base, rcbuf->len};
|
|
return res;
|
|
}
|
|
|
|
int nghttp2_rcbuf_is_static(const nghttp2_rcbuf *rcbuf) {
|
|
return rcbuf->ref == -1;
|
|
}
|