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vmm: extract small request/response helpers to reduce boilerplate

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On-behalf-of: SAP sebastian.eydam@sap.com
Signed-off-by: Sebastian Eydam <sebastian.eydam@cyberus-technology.de>
This commit is contained in:
Sebastian Eydam
2026-03-09 10:32:06 +01:00
committed by Bo Chen
parent bb3e1b4073
commit d4a8d55074
2 changed files with 28 additions and 7 deletions
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vmm/src/lib.rs
+7 -7
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@@ -1176,7 +1176,7 @@ impl Vmm {
table.write_to(socket)?;
// And then the memory itself
vm.send_memory_regions(table, socket)?;
Response::read_from(socket)?.ok_or_abandon(
migration_transport::expect_ok_response(
socket,
MigratableError::MigrateSend(anyhow!("Error during dirty memory migration")),
)?;
@@ -1379,9 +1379,9 @@ impl Vmm {
migration_transport::send_migration_socket(&send_data_migration.destination_url)?;
// Start the migration
Request::start().write_to(&mut socket)?;
Response::read_from(&mut socket)?.ok_or_abandon(
migration_transport::send_request_expect_ok(
&mut socket,
Request::start(),
MigratableError::MigrateSend(anyhow!("Error starting migration")),
)?;
@@ -1439,7 +1439,7 @@ impl Vmm {
socket
.write_all(&config_data)
.map_err(MigratableError::MigrateSocket)?;
Response::read_from(&mut socket)?.ok_or_abandon(
migration_transport::expect_ok_response(
&mut socket,
MigratableError::MigrateSend(anyhow!("Error during config migration")),
)?;
@@ -1466,15 +1466,15 @@ impl Vmm {
socket
.write_all(&snapshot_data)
.map_err(MigratableError::MigrateSocket)?;
Response::read_from(&mut socket)?.ok_or_abandon(
migration_transport::expect_ok_response(
&mut socket,
MigratableError::MigrateSend(anyhow!("Error during state migration")),
)?;
// Complete the migration
// At this step, the receiving VMM will acquire disk locks again.
Request::complete().write_to(&mut socket)?;
Response::read_from(&mut socket)?.ok_or_abandon(
migration_transport::send_request_expect_ok(
&mut socket,
Request::complete(),
MigratableError::MigrateSend(anyhow!("Error completing migration")),
)?;