This will allow the users to populate /usr with simples binaries like haproxy
and their config at runtime.
It's intented to be combined with the loader ability to run multiple binaries
in a sequential way.
For example -e '/tools/cpiod.so; /usr/haproxy.so -f /usr/haproxy.conf'

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

This pave the way for the creation of bare images that the user can populate
using cpiod when he need it.

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

Use the new pivot_root() functionality to switch to ZFS root filesystem
once OSv is up and running.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

This patch adds to support multiple NIC initialization on loader.cc.

Signed-off-by: Takuya ASADA <syuu@dokukino.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

This patch simplifies the host-side work in the new /usr zfs filesystem
build process.

Previously, we copied the files to a temporary directory, used "cpio"
to archive them and sent its output to the guest with "netcat".

With this patch, we no longer have a temporary directory, and do not
need either cpio or netcat on the build machine.

Rather, mkzfs.py itself, using python (instead of a separate "nc" process),
connects to the guest and sends it the files - still using the CPIO format.

Rather than arbitrarily sleep for 3 seconds before the host tries to
connect to the guest (which might not be enough for some, or a waste
of time for others), with this patch the host looks at the guest's output
and connects when it sees the message "Waiting for connection".

Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>

Signed-off-by: Tomasz Grabiec <tgrabiec@cloudius-systems.com>

Run 'dos2unix' on the sucker...

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

The current implementation was copying the whole file contents into an
array and then into stringstream which under the hood copied it again
into even bigger array. These allocations were causing memory
fragmentation which some times led to malloc failure.

The new approach is using fixed amount of memory. For each file it
wraps the cpio input stream in a restricted stream which limits the
amount of data that can be read from it so that it represents a view
for only that file's data. After the consumer has read it we simply
ignore the remaining padding from the cpio stream.

This fixes issue #66

Signed-off-by: Tomasz Grabiec <tgrabiec@cloudius-systems.com>

Signed-off-by: Or Cohen <orc@fewbytes.com>

Make the adding file message less intimidating.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

Start listening as soon as the guest is running. This makes host
mkzfs.py conneciton less racy and fixes OSv image creation problems I'm
seeing.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>

Implement a parser for the cpio "newc" format.

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>

Create a file system on top of the pool.

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>

zfs utilities want /etc/mnttab, let them have it.

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>

For the moment, it only creates a zpool, not a filesystem.

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>

We have _KERNEL defines scattered throughout the code, which makes
understanding it difficult.

Define it just once, and adjust the source to build.

We define it in an overridable variable, so that non-kernel imported code
can undo it.

bsd's ifconf conflicts with osv's; rename it.

We use the bsd version in <osv/ioctl.h>, since we currently don't support
the Linux-ABI variants of these ioctls.

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>
Tested-By: Benoit Canet <benoit@irqsave.net>

  1. Netperf patch removed from repository
  2. Documentation updated

Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>

Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>

This allows lazy people like me to just copy the instructions

1. it is much cleaner that the header files perform extern "C" themselves,
   so they can be included both from C and C++ code.

2. when doing extern "C" from a C++ file then __cplusplus is also defined,
   and compilation can break in some situations.

3. as a bonus, this patch increase compilation time.

ifconfig used to call sofree(), which assumed accept_mtx was taken, which
wasn't true, resulting in either an assertion failure (if we implement
assert_mtx - see next patch) or a mutex corruption (if assert_mtx does
nothing).

Instead, we should call soclose(). This wasn't very hard to figure out,
given the comment in socreate() saying "The socket should be closed with
soclose()." :-)