79 static int setup_read_buffer(SSL *ssl) {  in setup_read_buffer()  argument
80   SSL3_BUFFER *buf = &ssl->s3->read_buffer;  in setup_read_buffer()
86   size_t header_len = ssl_record_prefix_len(ssl);  in setup_read_buffer()
88   if (SSL_IS_DTLS(ssl)) {  in setup_read_buffer()
97 uint8_t *ssl_read_buffer(SSL *ssl) {  in ssl_read_buffer()  argument
98   return ssl->s3->read_buffer.buf + ssl->s3->read_buffer.offset;  in ssl_read_buffer()
101 size_t ssl_read_buffer_len(const SSL *ssl) {  in ssl_read_buffer_len()  argument
102   return ssl->s3->read_buffer.len;  in ssl_read_buffer_len()
105 static int dtls_read_buffer_next_packet(SSL *ssl) {  in dtls_read_buffer_next_packet()  argument
106   SSL3_BUFFER *buf = &ssl->s3->read_buffer;  in dtls_read_buffer_next_packet()
116   int ret = BIO_read(ssl->rbio, buf->buf + buf->offset, (int)buf->cap);  in dtls_read_buffer_next_packet()
118     ssl->rwstate = SSL_READING;  in dtls_read_buffer_next_packet()
126 static int tls_read_buffer_extend_to(SSL *ssl, size_t len) {  in tls_read_buffer_extend_to()  argument
127   SSL3_BUFFER *buf = &ssl->s3->read_buffer;  in tls_read_buffer_extend_to()
138     int ret = BIO_read(ssl->rbio, buf->buf + buf->offset + buf->len,  in tls_read_buffer_extend_to()
141       ssl->rwstate = SSL_READING;  in tls_read_buffer_extend_to()
152 int ssl_read_buffer_extend_to(SSL *ssl, size_t len) {  in ssl_read_buffer_extend_to()  argument
154   ssl_read_buffer_discard(ssl);  in ssl_read_buffer_extend_to()
156   if (!setup_read_buffer(ssl)) {  in ssl_read_buffer_extend_to()
160   if (ssl->rbio == NULL) {  in ssl_read_buffer_extend_to()
166   if (SSL_IS_DTLS(ssl)) {  in ssl_read_buffer_extend_to()
168     ret = dtls_read_buffer_next_packet(ssl);  in ssl_read_buffer_extend_to()
170     ret = tls_read_buffer_extend_to(ssl, len);  in ssl_read_buffer_extend_to()
176     ssl_read_buffer_discard(ssl);  in ssl_read_buffer_extend_to()
181 void ssl_read_buffer_consume(SSL *ssl, size_t len) {  in ssl_read_buffer_consume()  argument
182   SSL3_BUFFER *buf = &ssl->s3->read_buffer;  in ssl_read_buffer_consume()
191   assert(SSL_IS_DTLS(ssl) || len == 0 || buf->len == 0);  in ssl_read_buffer_consume()
194 void ssl_read_buffer_discard(SSL *ssl) {  in ssl_read_buffer_discard()  argument
195   if (ssl->s3->read_buffer.len == 0) {  in ssl_read_buffer_discard()
196     ssl_read_buffer_clear(ssl);  in ssl_read_buffer_discard()
200 void ssl_read_buffer_clear(SSL *ssl) {  in ssl_read_buffer_clear()  argument
201   clear_buffer(&ssl->s3->read_buffer);  in ssl_read_buffer_clear()
205 int ssl_write_buffer_is_pending(const SSL *ssl) {  in ssl_write_buffer_is_pending()  argument
206   return ssl->s3->write_buffer.len > 0;  in ssl_write_buffer_is_pending()
219 int ssl_write_buffer_init(SSL *ssl, uint8_t **out_ptr, size_t max_len) {  in ssl_write_buffer_init()  argument
220   SSL3_BUFFER *buf = &ssl->s3->write_buffer;  in ssl_write_buffer_init()
227   size_t header_len = ssl_seal_align_prefix_len(ssl);  in ssl_write_buffer_init()
232   if (SSL_IS_DTLS(ssl)) {  in ssl_write_buffer_init()
236     if (ssl->mode & SSL_MODE_CBC_RECORD_SPLITTING) {  in ssl_write_buffer_init()
253 void ssl_write_buffer_set_len(SSL *ssl, size_t len) {  in ssl_write_buffer_set_len()  argument
254   SSL3_BUFFER *buf = &ssl->s3->write_buffer;  in ssl_write_buffer_set_len()
262 static int tls_write_buffer_flush(SSL *ssl) {  in tls_write_buffer_flush()  argument
263   SSL3_BUFFER *buf = &ssl->s3->write_buffer;  in tls_write_buffer_flush()
266     int ret = BIO_write(ssl->wbio, buf->buf + buf->offset, buf->len);  in tls_write_buffer_flush()
268       ssl->rwstate = SSL_WRITING;  in tls_write_buffer_flush()
273   ssl_write_buffer_clear(ssl);  in tls_write_buffer_flush()
277 static int dtls_write_buffer_flush(SSL *ssl) {  in dtls_write_buffer_flush()  argument
278   SSL3_BUFFER *buf = &ssl->s3->write_buffer;  in dtls_write_buffer_flush()
283   int ret = BIO_write(ssl->wbio, buf->buf + buf->offset, buf->len);  in dtls_write_buffer_flush()
285     ssl->rwstate = SSL_WRITING;  in dtls_write_buffer_flush()
289     ssl_write_buffer_clear(ssl);  in dtls_write_buffer_flush()
292   ssl_write_buffer_clear(ssl);  in dtls_write_buffer_flush()
296 int ssl_write_buffer_flush(SSL *ssl) {  in ssl_write_buffer_flush()  argument
297   if (ssl->wbio == NULL) {  in ssl_write_buffer_flush()
302   if (SSL_IS_DTLS(ssl)) {  in ssl_write_buffer_flush()
303     return dtls_write_buffer_flush(ssl);  in ssl_write_buffer_flush()
305     return tls_write_buffer_flush(ssl);  in ssl_write_buffer_flush()
309 void ssl_write_buffer_clear(SSL *ssl) {  in ssl_write_buffer_clear()  argument
310   clear_buffer(&ssl->s3->write_buffer);  in ssl_write_buffer_clear()