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Merge commit 'eb061ad6fd0e3cea7cf7cfbff0749bc90dd7d888'

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* commit 'eb061ad6fd0e3cea7cf7cfbff0749bc90dd7d888':
  tls_gnutls: Readd support for nonblocking operation

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-11-02 23:39:28 -03:00
commit 2805c8dcfc
1 changed files with 19 additions and 4 deletions
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23
libavformat/tls_gnutls.c
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@ -75,6 +75,7 @@ static int print_tls_error(URLContext *h, int ret)
{
switch (ret) {
case GNUTLS_E_AGAIN:
return AVERROR(EAGAIN);
case GNUTLS_E_INTERRUPTED:
#ifdef GNUTLS_E_PREMATURE_TERMINATION
case GNUTLS_E_PREMATURE_TERMINATION:
@ -114,7 +115,10 @@ static ssize_t gnutls_url_pull(gnutls_transport_ptr_t transport,
return ret;
if (ret == AVERROR_EXIT)
return 0;
errno = EIO;
if (ret == AVERROR(EAGAIN))
errno = EAGAIN;
else
errno = EIO;
return -1;
}
@ -127,7 +131,10 @@ static ssize_t gnutls_url_push(gnutls_transport_ptr_t transport,
return ret;
if (ret == AVERROR_EXIT)
return 0;
errno = EIO;
if (ret == AVERROR(EAGAIN))
errno = EAGAIN;
else
errno = EIO;
return -1;
}
@ -223,7 +230,11 @@ fail:
static int tls_read(URLContext *h, uint8_t *buf, int size)
{
TLSContext *c = h->priv_data;
int ret = gnutls_record_recv(c->session, 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 = gnutls_record_recv(c->session, buf, size);
if (ret > 0)
return ret;
if (ret == 0)
@ -234,7 +245,11 @@ 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 = gnutls_record_send(c->session, 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 = gnutls_record_send(c->session, buf, size);
if (ret > 0)
return ret;
if (ret == 0)