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migration: Convert the file backend to the new QAPI syntax 

Convert the file: URI to accept a FileMigrationArgs to be compatible
with the new migration QAPI.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231023182053.8711-9-farosas@suse.de>
This commit is contained in:
Fabiano Rosas 2023-10-23 15:20:47 -03:00 committed by Juan Quintela
parent cbab4face5
commit 02afba63e9
3 changed files with 17 additions and 24 deletions
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22
migration/file.c
View File

@ -36,20 +36,16 @@ int file_parse_offset(char *filespec, uint64_t *offsetp, Error **errp)
return 0;
}
void file_start_outgoing_migration(MigrationState *s, const char *filespec,
Error **errp)
void file_start_outgoing_migration(MigrationState *s,
FileMigrationArgs *file_args, Error **errp)
{
g_autofree char *filename = g_strdup(filespec);
g_autoptr(QIOChannelFile) fioc = NULL;
uint64_t offset = 0;
g_autofree char *filename = g_strdup(file_args->filename);
uint64_t offset = file_args->offset;
QIOChannel *ioc;
trace_migration_file_outgoing(filename);
if (file_parse_offset(filename, &offset, errp)) {
return;
}
fioc = qio_channel_file_new_path(filename, O_CREAT | O_WRONLY | O_TRUNC,
0600, errp);
if (!fioc) {
@ -73,19 +69,15 @@ static gboolean file_accept_incoming_migration(QIOChannel *ioc,
return G_SOURCE_REMOVE;
}
void file_start_incoming_migration(const char *filespec, Error **errp)
void file_start_incoming_migration(FileMigrationArgs *file_args, Error **errp)
{
g_autofree char *filename = g_strdup(filespec);
g_autofree char *filename = g_strdup(file_args->filename);
QIOChannelFile *fioc = NULL;
uint64_t offset = 0;
uint64_t offset = file_args->offset;
QIOChannel *ioc;
trace_migration_file_incoming(filename);
if (file_parse_offset(filename, &offset, errp)) {
return;
}
fioc = qio_channel_file_new_path(filename, O_RDONLY, 0, errp);
if (!fioc) {
return;

9
migration/file.h
View File

@ -7,9 +7,12 @@
#ifndef QEMU_MIGRATION_FILE_H
#define QEMU_MIGRATION_FILE_H
void file_start_incoming_migration(const char *filename, Error **errp);
void file_start_outgoing_migration(MigrationState *s, const char *filename,
Error **errp);
#include "qapi/qapi-types-migration.h"
void file_start_incoming_migration(FileMigrationArgs *file_args, Error **errp);
void file_start_outgoing_migration(MigrationState *s,
FileMigrationArgs *file_args, Error **errp);
int file_parse_offset(char *filespec, uint64_t *offsetp, Error **errp);
#endif

10
migration/migration.c
View File

@ -508,7 +508,6 @@ static bool migrate_uri_parse(const char *uri,
static void qemu_start_incoming_migration(const char *uri, Error **errp)
{
const char *p = NULL;
g_autoptr(MigrationAddress) channel = NULL;
MigrationIncomingState *mis = migration_incoming_get_current();
@ -551,8 +550,8 @@ static void qemu_start_incoming_migration(const char *uri, Error **errp)
#endif
} else if (channel->transport == MIGRATION_ADDRESS_TYPE_EXEC) {
exec_start_incoming_migration(channel->u.exec.args, errp);
} else if (strstart(uri, "file:", &p)) {
file_start_incoming_migration(p, errp);
} else if (channel->transport == MIGRATION_ADDRESS_TYPE_FILE) {
file_start_incoming_migration(&channel->u.file, errp);
} else {
error_setg(errp, "unknown migration protocol: %s", uri);
}
@ -1900,7 +1899,6 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
bool resume_requested;
Error *local_err = NULL;
MigrationState *s = migrate_get_current();
const char *p = NULL;
g_autoptr(MigrationAddress) channel = NULL;
/* URI is not suitable for migration? */
@ -1940,8 +1938,8 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
#endif
} else if (channel->transport == MIGRATION_ADDRESS_TYPE_EXEC) {
exec_start_outgoing_migration(s, channel->u.exec.args, &local_err);
} else if (strstart(uri, "file:", &p)) {
file_start_outgoing_migration(s, p, &local_err);
} else if (channel->transport == MIGRATION_ADDRESS_TYPE_FILE) {
file_start_outgoing_migration(s, &channel->u.file, &local_err);
} else {
error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "uri",
"a valid migration protocol");