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Code Issues Releases Activity

Merge commit '0671eb2346c17e8fb13784cf90ce416661fdea1c'

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* commit '0671eb2346c17e8fb13784cf90ce416661fdea1c':
  tls_openssl: Readd support for nonblocking operation

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-11-02 23:27:53 -03:00
commit 575fc7e80a
1 changed files with 20 additions and 2 deletions
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22
libavformat/tls_openssl.c
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@ -116,6 +116,12 @@ void ff_openssl_deinit(void)
static int print_tls_error(URLContext *h, int ret)
{
TLSContext *c = h->priv_data;
if (h->flags & AVIO_FLAG_NONBLOCK) {
int err = SSL_get_error(c->ssl, ret);
if (err == SSL_ERROR_WANT_READ || err == SSL_ERROR_WANT_READ)
return AVERROR(EAGAIN);
}
av_log(h, AV_LOG_ERROR, "%s\n", ERR_error_string(ERR_get_error(), NULL));
return AVERROR(EIO);
}
@ -171,6 +177,8 @@ static int url_bio_bread(BIO *b, char *buf, int len)
if (ret >= 0)
return ret;
BIO_clear_retry_flags(b);
if (ret == AVERROR(EAGAIN))
BIO_set_retry_read(b);
if (ret == AVERROR_EXIT)
return 0;
return -1;
@ -183,6 +191,8 @@ static int url_bio_bwrite(BIO *b, const char *buf, int len)
if (ret >= 0)
return ret;
BIO_clear_retry_flags(b);
if (ret == AVERROR(EAGAIN))
BIO_set_retry_write(b);
if (ret == AVERROR_EXIT)
return 0;
return -1;
@ -302,7 +312,11 @@ fail:
static int tls_read(URLContext *h, uint8_t *buf, int size)
{
TLSContext *c = h->priv_data;
int ret = SSL_read(c->ssl, buf, size);
int ret;
// Set or clear the AVIO_FLAG_NONBLOCK on c->tls_shared.tcp
c->tls_shared.tcp->flags &= ~AVIO_FLAG_NONBLOCK;
c->tls_shared.tcp->flags |= h->flags & AVIO_FLAG_NONBLOCK;
ret = SSL_read(c->ssl, buf, size);
if (ret > 0)
return ret;
if (ret == 0)
@ -313,7 +327,11 @@ static int tls_read(URLContext *h, uint8_t *buf, int size)
static int tls_write(URLContext *h, const uint8_t *buf, int size)
{
TLSContext *c = h->priv_data;
int ret = SSL_write(c->ssl, buf, size);
int ret;
// Set or clear the AVIO_FLAG_NONBLOCK on c->tls_shared.tcp
c->tls_shared.tcp->flags &= ~AVIO_FLAG_NONBLOCK;
c->tls_shared.tcp->flags |= h->flags & AVIO_FLAG_NONBLOCK;
ret = SSL_write(c->ssl, buf, size);
if (ret > 0)
return ret;
if (ret == 0)