Commit Graph

15 Commits

Author SHA1 Message Date
Lukas Straub
1a92d6d500 yank: Remove dependency on qiochannel
Remove dependency on qiochannel by removing yank_generic_iochannel and
letting migration and chardev use their own yank function for
iochannel.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20ff143fc2db23e27cd41d38043e481376c9cec1.1616521341.git.lukasstraub2@web.de>
2021-04-01 15:27:44 +04:00
Lukas Straub
b5eea99ec2 migration: Add yank feature
Register yank functions on sockets to shut them down.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <484c6a14cc2506bebedd5a237259b91363ff8f88.1609167865.git.lukasstraub2@web.de>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-13 10:21:17 +01:00
Chuan Zheng
d8053e73fb migration/tls: save hostname into MigrationState
hostname is need in multifd-tls, save hostname into MigrationState.

Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
Signed-off-by: Yan Jin <jinyan12@huawei.com>
Message-Id: <1600139042-104593-2-git-send-email-zhengchuan@huawei.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-09-25 12:45:58 +01:00
Fei Li
49ed0d24a4 migration: fix the multifd code when receiving less channels
In our current code, when multifd is used during migration, if there
is an error before the destination receives all new channels, the
source keeps running, however the destination does not exit but keeps
waiting until the source is killed deliberately.

Fix this by dumping the specific error and let users decide whether
to quit from the destination side when failing to receive packet via
some channel. And update the comment for multifd_recv_new_channel().

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Fei Li <fli@suse.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190113140849.38339-3-lifei1214@126.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-01-23 15:02:07 +00:00
Dr. David Alan Gilbert
8b7bf2bada Migration+TLS: Fix crash due to double cleanup
During a TLS connect we see:
  migration_channel_connect calls
  migration_tls_channel_connect
  (calls after TLS setup)
  migration_channel_connect

My previous error handling fix made migration_channel_connect
call migrate_fd_connect in all cases; unfortunately the above
means it gets called twice and crashes doing double cleanup.

Fixes: 688a3dcba9

Reported-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20180430185943.35714-1-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2018-05-15 22:13:08 +02:00
Peter Xu
62df066fff migration: introduce lock for to_dst_file
Let's introduce a lock for that QEMUFile since we are going to operate
on it in multiple threads.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180502104740.12123-23-peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2018-05-15 22:12:41 +02:00
Dr. David Alan Gilbert
688a3dcba9 migration: Route errors down through migration_channel_connect
Route async errors (especially from sockets) down through
migration_channel_connect and on to migrate_fd_connect where they
can be cleaned up.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 10:55:12 +00:00
Dr. David Alan Gilbert
cce8040bb0 migration: Allow migrate_fd_connect to take an Error *
Allow whatever is performing the connection to pass migrate_fd_connect
an error to indicate there was a problem during connection, an allow
us to clean up.

The caller must free the error.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 10:55:12 +00:00
Juan Quintela
8e1a1931ca migration: Add comments to channel functions
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
2017-09-22 14:11:18 +02:00
Juan Quintela
4f0fae7f2b migration: Create migration_ioc_process_incoming()
We pass the ioc instead of the fd.  This will allow us to have more
than one channel open.  We also make sure that we set the
from_src_file sooner, so we don't need to pass it as a parameter.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>

--

Do not assing mis->from_src_file (peterxu)
2017-09-22 14:11:17 +02:00
Juan Quintela
6666c96aac migration: Move migration.h to migration/
Nothing uses it outside of migration.h

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
543147116e migration: Remove MigrationState from migration_channel_incomming()
All callers were calling migrate_get_current(), so do it inside the function.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:44 +02:00
Juan Quintela
41d64227ed migration: Export tls.c functions in its own file
Just for the functions exported from tls.c.  Notice that we can't
remove the migration/migration.h include from tls.c because it access
directly MigrationState for the tls params.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-06-01 18:49:23 +02:00
Juan Quintela
40014d81f2 migration: Export qemu-file-channel.c functions in its own file
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-05-18 19:20:50 +02:00
Juan Quintela
dd4339c540 migration: Split migration/channel.c for channel operations
Create an include for its exported functions.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

---
Add proper header
2017-05-18 19:20:24 +02:00