Windows does not have inet_aton(), but does have a inet_pton().
inet_aton() is not defined in POSIX. But inet_pton() is.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
get_max_fds() is used only from process.c. Move it there
along with rlim_is_finite(). Since process_start() can only
be called before any additional threads are created, we
no longer need the thread safety checks in get_max_fds().
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
There is no direct mapping for the ioctl function in
Windows. As of now, af_inet_ioctl() is being used for Linux
and BSD. So, don't try to compile it for Windows.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
In windows there is no clear way to distinguish between a
socket fd and a file fd.
We use the function, describe_fd() mostly for debugging.
For now, return a generic statement.
Co-authored-by: Linda Sun <lsun@vmware.com>
Signed-off-by: Linda Sun <lsun@vmware.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
There is no corresponding function for Windows.
open() does not work on directories.
There is a function _commit(fd), but that is only meant
for files.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
For Windows sockets, one has to call closesocket() to
close the sockets.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
Couple of return values need changes.
* EAI_NODATA is the same as EAI_NONAME. So we prevent duplicate cases.
* Windows does not have a EAI_SYSTEM.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
Co-authored-by: Linda Sun <lsun@vmware.com>
Signed-off-by: Linda Sun <lsun@vmware.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
This lets us call ovs_lasterror_to_string() and not having
to do an extra call of LocalFree() on the returned string.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
For winsock2 functions, error number has to be converted to string
using FormatMessage().
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
Does not add IPv6 support for in-band control.
Co-authored-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Nandan Nivgune <nandan.nivgune@calsoftinc.com>
Signed-off-by: Abhijit Bhopatkar <abhijit.bhopatkar@calsoftinc.com>
Signed-off-by: Arun Sharma <arun.sharma@calsoftinc.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
A Windows porter mentioned to me that these functions caused special
trouble in the Windows port. However, they are no longer used, so we
might as well remove them.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>
The MSVC C library printf() implementation does not support the 'z', 't',
'j', or 'hh' format specifiers. This commit changes the Open vSwitch code
to avoid those format specifiers, switching to standard macros from
<inttypes.h> where available and inventing new macros resembling them
where necessary. It also updates CodingStyle to specify the macros' use
and adds a Makefile rule to report violations.
Signed-off-by: Alin Serdean <aserdean@cloudbasesolutions.com>
Co-authored-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
The existing /proc workaround only works on Linux. Symlinks are more
widely available.
Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Co-authored-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
The only uses of 'af_inet_sock', in both drivers, were ioctls, so it seemed
like a good abstraction to write a function that just does such an ioctl,
and to factor out shared code into socket-util.
Signed-off-by: Ben Pfaff <blp@nicira.com>
CC: Ed Maste <emaste@freebsd.org>
This commit fixes the warning issued by 'clang' when pointer is casted
to one with greater alignment.
Signed-off-by: Alex Wang <alexw@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
FreeBSD does not have EAI_ADDRFAMILY or EAI_NODATA and thus failed to build
after commit 3cbb5dc7e89df2b40bb6f715873cf2b6b25a7054 "socket-util: Use
getaddrinfo() instead of gethostbyname() for thread safety."
Signed-off-by: Ed Maste <emaste@freebsd.org>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Usually, for passive sockets, one wishes to bind a particular well-known
port, so that clients can easily connect. But automated tests cannot
necessarily bind a well-known port, because that would cause multiple
concurrent tests to interfere with each other or with a real instance of
the service running on the system. They could bind to a randomly selected
port chosen by the user (the Open vSwitch automated tests currently do this)
but this leads to occasional "false negative" test failures when the port
selected happens to be in use.
The best alternative for automated tests is to let the kernel choose a
port that is not otherwise in use, which can be accomplished by specifying
port 0. But in that case there is no easy way for other software to know
what port the kernel chose. This commit fixes that problem one way by
logging the bound port when it is chosen by the kernel.
Signed-off-by: Ben Pfaff <blp@nicira.com>
This is a straight search-and-replace, except that I also removed #include
<assert.h> from each file where there were no assert calls left.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
An ovs_be32 is a more obvious way to represent an IP address than a
pointer to one. It is also more type-safe, especially since "sparse" is
able to check that the argument is in network byte order.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
ESX doesn't implement it, and there's another approach that should work
everywhere, so drop back to that.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
inet_open_active() is documented to report a fd of -1 when an error occurs.
All three of its callers rely on this, by checking only the fd to determine
whether there was an error. This means that if the call to
set_nonblocking() or set_dscp() or connect() failed, then the callers would
try to use a fd that had already been closed, wreaking havoc.
This fixes a bug introduced in commit a4efa3fc5d (socket-util: Close socket
on failed dscp modification.)
Bug #13750.
Reported-by: Scott Hendricks <shendricks@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
The ESX userspace looks quite a bit like linux, but has some key
differences which need to be specially handled in the build. To
distinguish between ESX and systems which use the linux datapath
module, this patch adds two new macros "ESX" and "LINUX_DATAPATH".
It uses these macros to disable building code on ESX which only
applies to a true Linux environment. In addition, it adds a new
route-table-stub implementation which is required for the build to
complete successfully on ESX.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
It will be used later for dynamic dscp change to listening socket.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Ben Pfaff <blp@nicira.com>
FreeBSD requires that setsockopt(..., IP_TOS, ...) be passed an int
value. Linux accepts either int or char types (and has since at least
kernel 2.6.12) so just use int type unconditionally.
Signed-off-by: Ed Maste <emaste@freebsd.org>
Signed-off-by: Ben Pfaff <blp@nicira.com>
These will be used in upcoming commits.
This commit also adds corresponding definitions to the "sparse" header,
so that sparse still works.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Nothing in the tree ever tries to send or receive credentials over a Unix
domain socket so there's no point in configuring them to be received.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Replaced all instances of Nicira Networks(, Inc) to Nicira, Inc.
Feature #10593
Signed-off-by: Raju Subramanian <rsubramanian@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
There are two sensible ways to represent the 6 DSCP bits of an IP
packet. One could represent them as an integer in the range 0 to
63. Or one could represent them as they would appear in the tos
field (0 to 63) << 2. Before this patch, OVS had used the former
method for the DSCP bits in the Queue Table, and the latter for the
DSCP in the Controller and Manager tables. Since the ability to
set DSCP bits in the Controller and Manager tables is so new that
it hasn't been released yet, this patch changes it to use the
existing style employed in the Queue table. Hopefully this should
make the code and configuration less confusing.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
The DSCP_INVALID flag allowed callers to prevent socket-util from
modify the DSCP bits of newly created sockets. However, the two
really important callers (implementations of the controller and
manager tables) never used it. Furthermore, the other callers
would be fine always setting the DSCP bits to zero. This patch
removes the DSCP_INVALID option in an effort to simplify the code.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
If socket-util failed to modify the dscp bits of an active
connection, it would fail to close the file descriptor potentially
causing a leak. Found by inspection.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
The changes allow the user to specify a separate dscp value for the
controller connection and the manager connection. The value will take
effect on resetting the connections. If no value is specified a default
value of 192 is chosen for each of the connections.
Feature #10074
Requested-by: Rajiv Ramanathan <rramanathan@nicira.com>
Signed-off-by: Mehak Mahajan <mmahajan@nicira.com>
The error handling path here failed to clean up bound sockets, by removing
them. This fixes the problem.
It was easy to observe this bug by running "ovs-vsctl" without
"ovsdb-server" running.
Bug #9811.
Bug #9769.
Reported-by: Michael <mhu@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
The "listen" system call doesn't work and isn't necessary for UDP, but
inet_open_passive() would still try to call it (and fail).
This doesn't fix a real bug because the two existing callers both use
inet_open_passive() to listen for TCP connections.
Signed-off-by: Ben Pfaff <blp@nicira.com>
The comment on this function says that negative values indicate errors, and
the callers assume that too, but in fact it was returning positive errno
values, which are indistinguishable from valid fd numbers.
It really seems to me that this should have been found pretty quickly in
the field, since stream-tcp and stream-ssl both use inet_open_passive to
implement their passive listeners. I'm surprised that no one has reported
it.
This patch fixes the following compiler warning:
lib/socket-util.c:621:5: error: comparison is always false due to
limited range of data type [-Werror=type-limits]
