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Correct and error in recv() and recvfrom() return value

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4402 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-02-18 18:13:30 +00:00
parent f60d578a46
commit f04310d559
24 changed files with 189 additions and 128 deletions
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apps/netutils/ftpd/ftpd.c
+23 -25
View File
@@ -796,7 +796,7 @@ static int ftpd_rxpoll(int sd, int timeout)
if (ret == 0)
{
nvdbg("poll() timed out\n");
//nvdbg("poll() timed out\n");
return -ETIMEDOUT;
}
else if (ret < 0)
@@ -870,7 +870,14 @@ static int ftpd_accept(int sd, FAR void *addr, FAR socklen_t *addrlen,
ret = ftpd_rxpoll(sd, timeout);
if (ret < 0)
{
nvdbg("ftpd_rxpoll() failed: %d\n", ret);
/* Only report interesting, infrequent errors (not the common timeout) */
#ifdef CONFIG_DEBUG_NET
if (ret != -ETIMEDOUT)
{
ndbg("ftpd_rxpoll() failed: %d\n", ret);
}
#endif
return ret;
}
}
@@ -909,34 +916,18 @@ static ssize_t ftpd_recv(int sd, FAR void *data, size_t size, int timeout)
}
}
/* Receive the data... waiting if necessary */
/* Receive the data... waiting if necessary. The client side will break the
* connection after the file has been sent. Zero (end-of-file) should be
* received in this case.
*/
ret = recv(sd, data, size, 0);
if (ret < 0)
{
int errval = errno;
/* Special case some TCP read errors. The client side will break the
* connection after the file has been sent.
*/
#warning FIXME
/* When the client breaks the connection, the NuttX socket layer will
* return an error with errno == ENOTCONN. This is wrong! It should
* return 0 (end-of-file) in that case! We work around the bug and
* report end-of-file for that case here. This needs to be fixed
* someday.
*/
if (errval == ENOTCONN)
{
nvdbg("Connection lost, returning end-of-file\n");
ret = 0;
}
else
{
ndbg("recv() failed: %d\n", errval);
return -errval;
}
ndbg("recv() failed: %d\n", errval);
return -errval;
}
return ret;
@@ -4342,7 +4333,14 @@ int ftpd_session(FTPD_SESSION handle, int timeout)
&session->cmd.addrlen, timeout);
if (session->cmd.sd < 0)
{
ndbg("ftpd_accept() failed: %d\n", session->cmd.sd);
/* Only report interesting, infrequent errors (not the common timeout) */
#ifdef CONFIG_DEBUG_NET
if (session->cmd.sd != -ETIMEDOUT)
{
ndbg("ftpd_accept() failed: %d\n", session->cmd.sd);
}
#endif
ret = session->cmd.sd;
goto errout_with_session;
}