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[cdc_stream] Add a CLI client to start/stop asset streaming sessions (#4)

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Implements the cdc_stream client and adjusts asset streaming in
various places to work better outside of a GGP environment.

This CL tries to get quoting for SSH commands right. It also brings
back the ability to start a streaming session from
asset_stream_manager.

Also cleans up Bazel targets setup. Since the sln file is now in root,
it is no longer necessary to prepend ../ to relative filenames to
make clicking on errors work.
This commit is contained in:
Lutz Justen
2022-11-18 10:59:42 +01:00
committed by GitHub
parent ca84d3dd2e
commit 269fb2be45
38 changed files with 797 additions and 356 deletions
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26
asset_stream_manager/multi_session.h
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@@ -36,6 +36,7 @@ namespace cdc_ft {
class ProcessFactory;
class Session;
struct SessionTarget;
using ManifestUpdatedCb = std::function<void()>;
// Updates the manifest and runs a file watcher in a background thread.
@@ -65,7 +66,7 @@ class MultiSessionRunner {
// Stops updating the manifest and |server_|.
absl::Status Shutdown() ABSL_LOCKS_EXCLUDED(mutex_);
// Waits until a manifest is ready and the gamelet |instance_id| has
// Waits until a manifest is ready and the session for |instance_id| has
// acknowledged the reception of the currently set manifest id. |fuse_timeout|
// is the timeout for waiting for the FUSE manifest ack. The time required to
// generate the manifest is not part of this timeout as this could take a
@@ -172,30 +173,29 @@ class MultiSession {
// Not thread-safe.
absl::Status Status();
// Starts a new streaming session to the instance with given |instance_id| and
// Starts a new streaming session to the instance described by |target| and
// waits until the FUSE has received the initial manifest id.
// Returns an error if a session for that instance already exists.
// |instance_id| is the instance id of the target remote instance.
// |project_id| is id of the project that contains the instance.
// |organization_id| is id of the organization that contains the instance.
// |instance_ip| is the IP address of the instance.
// |instance_port| is the SSH port for connecting to the remote instance.
// |instance_id| is a unique id for the remote instance and mount directory,
// e.g. user@host:mount_dir.
// |target| identifies the remote target and how to connect to it.
// |project_id| is the project that owns the instance. Stadia only.
// |organization_id| is organization that contains the instance. Stadia only.
// Thread-safe.
absl::Status StartSession(const std::string& instance_id,
const SessionTarget& target,
const std::string& project_id,
const std::string& organization_id,
const std::string& instance_ip,
uint16_t instance_port)
const std::string& organization_id)
ABSL_LOCKS_EXCLUDED(sessions_mutex_);
// Starts a new streaming session to the gamelet with given |instance_id|.
// Stops the session for the given |instance_id|.
// Returns a NotFound error if a session for that instance does not exists.
// Thread-safe.
absl::Status StopSession(const std::string& instance_id)
ABSL_LOCKS_EXCLUDED(sessions_mutex_);
// Returns true if there is an existing session for |instance_id|.
bool HasSessionForInstance(const std::string& instance_id)
bool HasSession(const std::string& instance_id)
ABSL_LOCKS_EXCLUDED(sessions_mutex_);
// Returns true if the FUSE process is up and running for an existing session
@@ -226,7 +226,7 @@ class MultiSession {
void RecordMultiSessionEvent(metrics::DeveloperLogEvent event,
metrics::EventType code);
// Record an event for a session associated with the |instance|.
// Record an event for a session associated with the |instance_id|.
void RecordSessionEvent(metrics::DeveloperLogEvent event,
metrics::EventType code,
const std::string& instance_id);