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https://gitlab.com/qemu-project/qemu
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8e1a1931ca
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* QEMU live migration channel operations
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*
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* Copyright Red Hat, Inc. 2016
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*
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* Authors:
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* Daniel P. Berrange <berrange@redhat.com>
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu/osdep.h"
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#include "channel.h"
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#include "tls.h"
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#include "migration.h"
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#include "qemu-file-channel.h"
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#include "trace.h"
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#include "qapi/error.h"
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#include "io/channel-tls.h"
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/**
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* @migration_channel_process_incoming - Create new incoming migration channel
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*
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* Notice that TLS is special. For it we listen in a listener socket,
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* and then create a new client socket from the TLS library.
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*
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* @ioc: Channel to which we are connecting
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*/
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void migration_channel_process_incoming(QIOChannel *ioc)
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{
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MigrationState *s = migrate_get_current();
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trace_migration_set_incoming_channel(
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ioc, object_get_typename(OBJECT(ioc)));
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if (s->parameters.tls_creds &&
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*s->parameters.tls_creds &&
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!object_dynamic_cast(OBJECT(ioc),
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TYPE_QIO_CHANNEL_TLS)) {
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Error *local_err = NULL;
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migration_tls_channel_process_incoming(s, ioc, &local_err);
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if (local_err) {
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error_report_err(local_err);
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}
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} else {
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migration_ioc_process_incoming(ioc);
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}
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}
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/**
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* @migration_channel_connect - Create new outgoing migration channel
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*
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* @s: Current migration state
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* @ioc: Channel to which we are connecting
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* @hostname: Where we want to connect
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*/
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void migration_channel_connect(MigrationState *s,
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QIOChannel *ioc,
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const char *hostname)
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{
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trace_migration_set_outgoing_channel(
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ioc, object_get_typename(OBJECT(ioc)), hostname);
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if (s->parameters.tls_creds &&
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*s->parameters.tls_creds &&
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!object_dynamic_cast(OBJECT(ioc),
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TYPE_QIO_CHANNEL_TLS)) {
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Error *local_err = NULL;
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migration_tls_channel_connect(s, ioc, hostname, &local_err);
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if (local_err) {
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migrate_fd_error(s, local_err);
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error_free(local_err);
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}
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} else {
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QEMUFile *f = qemu_fopen_channel_output(ioc);
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s->to_dst_file = f;
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migrate_fd_connect(s);
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}
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}
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