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QUIC: ngx_quic_copy_buffer() function. 

The function copies passed data to QUIC buffer chain and returns it.
The chain can be used in ngx_quic_frame_t data field.
This commit is contained in:
Roman Arutyunyan 2023-01-31 14:12:18 +04:00
parent c95da93677
commit 204f0f10cd
3 changed files with 37 additions and 21 deletions
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33
src/event/quic/ngx_event_quic_frames.c
View File

@ -386,6 +386,39 @@ ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f, size_t len)
}
ngx_chain_t *
ngx_quic_copy_buffer(ngx_connection_t *c, u_char *data, size_t len)
{
ngx_buf_t buf;
ngx_chain_t cl, *out;
ngx_quic_buffer_t qb;
ngx_memzero(&buf, sizeof(ngx_buf_t));
buf.pos = data;
buf.last = buf.pos + len;
buf.temporary = 1;
cl.buf = &buf;
cl.next = NULL;
ngx_memzero(&qb, sizeof(ngx_quic_buffer_t));
if (ngx_quic_write_buffer(c, &qb, &cl, len, 0) == NGX_CHAIN_ERROR) {
return NGX_CHAIN_ERROR;
}
out = ngx_quic_read_buffer(c, &qb, len);
if (out == NGX_CHAIN_ERROR) {
return NGX_CHAIN_ERROR;
}
ngx_quic_free_buffer(c, &qb);
return out;
}
ngx_chain_t *
ngx_quic_read_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb, uint64_t limit)
{

2
src/event/quic/ngx_event_quic_frames.h
View File

@ -26,6 +26,8 @@ ngx_int_t ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f,
ngx_chain_t *ngx_quic_alloc_chain(ngx_connection_t *c);
void ngx_quic_free_chain(ngx_connection_t *c, ngx_chain_t *in);
ngx_chain_t *ngx_quic_copy_buffer(ngx_connection_t *c, u_char *data,
size_t len);
ngx_chain_t *ngx_quic_read_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,
uint64_t limit);
ngx_chain_t *ngx_quic_write_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,

23
src/event/quic/ngx_event_quic_ssl.c
View File

@ -160,13 +160,11 @@ ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
{
u_char *p, *end;
size_t client_params_len;
ngx_buf_t buf;
ngx_chain_t *out, cl;
ngx_chain_t *out;
const uint8_t *client_params;
ngx_quic_tp_t ctp;
ngx_quic_frame_t *frame;
ngx_connection_t *c;
ngx_quic_buffer_t qb;
ngx_quic_send_ctx_t *ctx;
ngx_quic_connection_t *qc;
#if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
@ -243,28 +241,11 @@ ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
ctx = ngx_quic_get_send_ctx(qc, level);
ngx_memzero(&buf, sizeof(ngx_buf_t));
buf.pos = (u_char *) data;
buf.last = buf.pos + len;
buf.temporary = 1;
cl.buf = &buf;
cl.next = NULL;
ngx_memzero(&qb, sizeof(ngx_quic_buffer_t));
if (ngx_quic_write_buffer(c, &qb, &cl, len, 0) == NGX_CHAIN_ERROR) {
return 0;
}
out = ngx_quic_read_buffer(c, &qb, len);
out = ngx_quic_copy_buffer(c, (u_char *) data, len);
if (out == NGX_CHAIN_ERROR) {
return 0;
}
ngx_quic_free_buffer(c, &qb);
frame = ngx_quic_alloc_frame(c);
if (frame == NULL) {
return 0;