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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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37
asset_stream_manager/session_manager.h
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@@ -30,43 +30,46 @@ namespace cdc_ft {
class MultiSession;
class ProcessFactory;
struct SessionTarget;
// Implements a service to start and stop streaming sessions as a server.
// The corresponding clients are implemented by the ggp CLI and SDK Proxy.
// The CLI triggers StartSession() from `ggp instance mount --local-dir` and
// StopSession() from `ggp instance unmount`. SDK Proxy invokes StartSession()
// when a user starts a new game from the partner portal and sets an `Asset
// streaming directory` in the `Advanced settings` in the `Play settings`
// dialog.
// This service is owned by SessionManagementServer.
// Adds logic around MultiSession to start and stop streaming sessions. Makes
// sure that some invariants are maintained, like no two streaming sessions
// exist to the same target user@host:dir.
class SessionManager {
public:
SessionManager(SessionConfig cfg, ProcessFactory* process_factory,
metrics::MetricsService* metrics_service);
~SessionManager();
// Starts a session and populates |multi_session| and |metrics_status|.
// Starts a new session or reuses an existing one.
// |instance_id| is a unique id for the remote instance and mount directory,
// e.g. user@host:mount_dir.
// |src_dir| is the local directory to stream.
// |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.
// Populates |multi_session| and |metrics_status| on success.
absl::Status StartSession(const std::string& instance_id,
const std::string& src_dir,
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& src_dir,
MultiSession** multi_session,
metrics::SessionStartStatus* metrics_status)
ABSL_LOCKS_EXCLUDED(sessions_mutex_);
// Stops the session for the given |instance|. Returns a NotFound error if no
// session exists.
absl::Status StopSession(const std::string& instance)
// Stops the session for the given |instance_id|.
// Returns a NotFound error if no session exists.
absl::Status StopSession(const std::string& instance_id)
ABSL_LOCKS_EXCLUDED(sessions_mutex_);
// Shuts down all existing MultiSessions.
absl::Status Shutdown() ABSL_LOCKS_EXCLUDED(sessions_mutex_);
private:
// Stops the session for the given |instance|. Returns a NotFound error if no
// session exists.
absl::Status StopSessionInternal(const std::string& instance)
// Stops the session for the given |instance_id|. Returns a NotFound error if
// no session exists.
absl::Status StopSessionInternal(const std::string& instance_id)
ABSL_EXCLUSIVE_LOCKS_REQUIRED(sessions_mutex_);
// Returns the MultiSession for the given workstation directory |src_dir| or