Split codex session modules (#18244)

## Summary
- split `codex.rs` session definitions and constructor into
`codex/session.rs`
- move MCP session methods into `codex/mcp.rs`
- move turn-context types/helpers into `codex/turn_context.rs`
- move review thread spawning into `codex/review.rs`

## Testing
- `cargo check -p codex-core`
- `just fmt`
- `just fix -p codex-core`
- `cargo test -p codex-core` (unit tests passed; integration run failed
locally with 45 failures, including missing helper binaries such as
`test_stdio_server`/`codex` plus approval/web-search/MCP-related cases)
This commit is contained in:
pakrym-oai
2026-04-16 18:15:19 -07:00
committed by GitHub
parent 7995c66032
commit 91e8eebd03
5 changed files with 1918 additions and 1896 deletions

File diff suppressed because it is too large Load Diff

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use super::*;
impl Session {
pub async fn request_mcp_server_elicitation(
&self,
turn_context: &TurnContext,
request_id: RequestId,
params: McpServerElicitationRequestParams,
) -> Option<ElicitationResponse> {
let server_name = params.server_name.clone();
let request = match params.request {
McpServerElicitationRequest::Form {
meta,
message,
requested_schema,
} => {
let requested_schema = match serde_json::to_value(requested_schema) {
Ok(requested_schema) => requested_schema,
Err(err) => {
warn!(
"failed to serialize MCP elicitation schema for server_name: {server_name}, request_id: {request_id}: {err:#}"
);
return None;
}
};
codex_protocol::approvals::ElicitationRequest::Form {
meta,
message,
requested_schema,
}
}
McpServerElicitationRequest::Url {
meta,
message,
url,
elicitation_id,
} => codex_protocol::approvals::ElicitationRequest::Url {
meta,
message,
url,
elicitation_id,
},
};
let (tx_response, rx_response) = oneshot::channel();
let prev_entry = {
let mut active = self.active_turn.lock().await;
match active.as_mut() {
Some(at) => {
let mut ts = at.turn_state.lock().await;
ts.insert_pending_elicitation(
server_name.clone(),
request_id.clone(),
tx_response,
)
}
None => None,
}
};
if prev_entry.is_some() {
warn!(
"Overwriting existing pending elicitation for server_name: {server_name}, request_id: {request_id}"
);
}
let id = match request_id {
rmcp::model::NumberOrString::String(value) => {
codex_protocol::mcp::RequestId::String(value.to_string())
}
rmcp::model::NumberOrString::Number(value) => {
codex_protocol::mcp::RequestId::Integer(value)
}
};
let event = EventMsg::ElicitationRequest(ElicitationRequestEvent {
turn_id: params.turn_id,
server_name,
id,
request,
});
self.send_event(turn_context, event).await;
rx_response.await.ok()
}
pub async fn resolve_elicitation(
&self,
server_name: String,
id: RequestId,
response: ElicitationResponse,
) -> anyhow::Result<()> {
let entry = {
let mut active = self.active_turn.lock().await;
match active.as_mut() {
Some(at) => {
let mut ts = at.turn_state.lock().await;
ts.remove_pending_elicitation(&server_name, &id)
}
None => None,
}
};
if let Some(tx_response) = entry {
tx_response
.send(response)
.map_err(|e| anyhow::anyhow!("failed to send elicitation response: {e:?}"))?;
return Ok(());
}
self.services
.mcp_connection_manager
.read()
.await
.resolve_elicitation(server_name, id, response)
.await
}
pub async fn list_resources(
&self,
server: &str,
params: Option<PaginatedRequestParams>,
) -> anyhow::Result<ListResourcesResult> {
self.services
.mcp_connection_manager
.read()
.await
.list_resources(server, params)
.await
}
pub async fn list_resource_templates(
&self,
server: &str,
params: Option<PaginatedRequestParams>,
) -> anyhow::Result<ListResourceTemplatesResult> {
self.services
.mcp_connection_manager
.read()
.await
.list_resource_templates(server, params)
.await
}
pub async fn read_resource(
&self,
server: &str,
params: ReadResourceRequestParams,
) -> anyhow::Result<ReadResourceResult> {
self.services
.mcp_connection_manager
.read()
.await
.read_resource(server, params)
.await
}
pub async fn call_tool(
&self,
server: &str,
tool: &str,
arguments: Option<serde_json::Value>,
meta: Option<serde_json::Value>,
) -> anyhow::Result<CallToolResult> {
self.services
.mcp_connection_manager
.read()
.await
.call_tool(server, tool, arguments, meta)
.await
}
pub(crate) async fn resolve_mcp_tool_info(&self, tool_name: &ToolName) -> Option<ToolInfo> {
self.services
.mcp_connection_manager
.read()
.await
.resolve_tool_info(tool_name)
.await
}
async fn refresh_mcp_servers_inner(
&self,
turn_context: &TurnContext,
mcp_servers: HashMap<String, McpServerConfig>,
store_mode: OAuthCredentialsStoreMode,
) {
let auth = self.services.auth_manager.auth().await;
let config = self.get_config().await;
let mcp_config = config
.to_mcp_config(self.services.plugins_manager.as_ref())
.await;
let tool_plugin_provenance = self
.services
.mcp_manager
.tool_plugin_provenance(config.as_ref())
.await;
let mcp_servers = with_codex_apps_mcp(mcp_servers, auth.as_ref(), &mcp_config);
let auth_statuses = compute_auth_statuses(mcp_servers.iter(), store_mode).await;
{
let mut guard = self.services.mcp_startup_cancellation_token.lock().await;
guard.cancel();
*guard = CancellationToken::new();
}
let (refreshed_manager, cancel_token) = McpConnectionManager::new(
&mcp_servers,
store_mode,
auth_statuses,
&turn_context.config.permissions.approval_policy,
turn_context.sub_id.clone(),
self.get_tx_event(),
turn_context.sandbox_policy.get().clone(),
config.codex_home.to_path_buf(),
codex_apps_tools_cache_key(auth.as_ref()),
tool_plugin_provenance,
)
.await;
{
let mut guard = self.services.mcp_startup_cancellation_token.lock().await;
if guard.is_cancelled() {
cancel_token.cancel();
}
*guard = cancel_token;
}
let mut manager = self.services.mcp_connection_manager.write().await;
*manager = refreshed_manager;
}
pub(crate) async fn refresh_mcp_servers_if_requested(&self, turn_context: &TurnContext) {
let refresh_config = { self.pending_mcp_server_refresh_config.lock().await.take() };
let Some(refresh_config) = refresh_config else {
return;
};
let McpServerRefreshConfig {
mcp_servers,
mcp_oauth_credentials_store_mode,
} = refresh_config;
let mcp_servers =
match serde_json::from_value::<HashMap<String, McpServerConfig>>(mcp_servers) {
Ok(servers) => servers,
Err(err) => {
warn!("failed to parse MCP server refresh config: {err}");
return;
}
};
let store_mode = match serde_json::from_value::<OAuthCredentialsStoreMode>(
mcp_oauth_credentials_store_mode,
) {
Ok(mode) => mode,
Err(err) => {
warn!("failed to parse MCP OAuth refresh config: {err}");
return;
}
};
self.refresh_mcp_servers_inner(turn_context, mcp_servers, store_mode)
.await;
}
pub(crate) async fn refresh_mcp_servers_now(
&self,
turn_context: &TurnContext,
mcp_servers: HashMap<String, McpServerConfig>,
store_mode: OAuthCredentialsStoreMode,
) {
self.refresh_mcp_servers_inner(turn_context, mcp_servers, store_mode)
.await;
}
#[cfg(test)]
pub(crate) async fn mcp_startup_cancellation_token(&self) -> CancellationToken {
self.services
.mcp_startup_cancellation_token
.lock()
.await
.clone()
}
pub(crate) async fn cancel_mcp_startup(&self) {
self.services
.mcp_startup_cancellation_token
.lock()
.await
.cancel();
}
}

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use super::turn_context::image_generation_tool_auth_allowed;
use super::*;
/// Spawn a review thread using the given prompt.
pub(super) async fn spawn_review_thread(
sess: Arc<Session>,
config: Arc<Config>,
parent_turn_context: Arc<TurnContext>,
sub_id: String,
resolved: crate::review_prompts::ResolvedReviewRequest,
) {
let model = config
.review_model
.clone()
.unwrap_or_else(|| parent_turn_context.model_info.slug.clone());
let review_model_info = sess
.services
.models_manager
.get_model_info(&model, &config.to_models_manager_config())
.await;
// For reviews, disable web_search and view_image regardless of global settings.
let mut review_features = sess.features.clone();
let _ = review_features.disable(Feature::WebSearchRequest);
let _ = review_features.disable(Feature::WebSearchCached);
let review_web_search_mode = WebSearchMode::Disabled;
let tools_config = ToolsConfig::new(&ToolsConfigParams {
model_info: &review_model_info,
available_models: &sess
.services
.models_manager
.list_models(RefreshStrategy::OnlineIfUncached)
.await,
features: &review_features,
image_generation_tool_auth_allowed: image_generation_tool_auth_allowed(Some(
sess.services.auth_manager.as_ref(),
)),
web_search_mode: Some(review_web_search_mode),
session_source: parent_turn_context.session_source.clone(),
sandbox_policy: parent_turn_context.sandbox_policy.get(),
windows_sandbox_level: parent_turn_context.windows_sandbox_level,
})
.with_unified_exec_shell_mode_for_session(
crate::tools::spec::tool_user_shell_type(sess.services.user_shell.as_ref()),
sess.services.shell_zsh_path.as_ref(),
sess.services.main_execve_wrapper_exe.as_ref(),
)
.with_web_search_config(/*web_search_config*/ None)
.with_allow_login_shell(config.permissions.allow_login_shell)
.with_has_environment(parent_turn_context.environment.is_some())
.with_spawn_agent_usage_hint(config.multi_agent_v2.usage_hint_enabled)
.with_spawn_agent_usage_hint_text(config.multi_agent_v2.usage_hint_text.clone())
.with_hide_spawn_agent_metadata(config.multi_agent_v2.hide_spawn_agent_metadata)
.with_agent_type_description(crate::agent::role::spawn_tool_spec::build(
&config.agent_roles,
));
let review_prompt = resolved.prompt.clone();
let provider = parent_turn_context.provider.clone();
let auth_manager = parent_turn_context.auth_manager.clone();
let model_info = review_model_info.clone();
// Build perturn client with the requested model/family.
let mut per_turn_config = (*config).clone();
per_turn_config.model = Some(model.clone());
per_turn_config.features = review_features.clone();
if let Err(err) = per_turn_config.web_search_mode.set(review_web_search_mode) {
let fallback_value = per_turn_config.web_search_mode.value();
tracing::warn!(
error = %err,
?review_web_search_mode,
?fallback_value,
"review web_search_mode is disallowed by requirements; keeping constrained value"
);
}
let session_telemetry = parent_turn_context
.session_telemetry
.clone()
.with_model(model.as_str(), review_model_info.slug.as_str());
let auth_manager_for_context = auth_manager.clone();
let provider_for_context = provider.clone();
let session_telemetry_for_context = session_telemetry.clone();
let reasoning_effort = per_turn_config.model_reasoning_effort;
let reasoning_summary = per_turn_config
.model_reasoning_summary
.unwrap_or(model_info.default_reasoning_summary);
let session_source = parent_turn_context.session_source.clone();
let per_turn_config = Arc::new(per_turn_config);
let review_turn_id = sub_id.to_string();
let turn_metadata_state = Arc::new(TurnMetadataState::new(
sess.conversation_id.to_string(),
&session_source,
review_turn_id.clone(),
parent_turn_context.cwd.clone(),
parent_turn_context.sandbox_policy.get(),
parent_turn_context.windows_sandbox_level,
));
let review_turn_context = TurnContext {
sub_id: review_turn_id,
trace_id: current_span_trace_id(),
realtime_active: parent_turn_context.realtime_active,
config: per_turn_config,
auth_manager: auth_manager_for_context,
model_info: model_info.clone(),
session_telemetry: session_telemetry_for_context,
provider: provider_for_context,
reasoning_effort,
reasoning_summary,
session_source,
environment: parent_turn_context.environment.clone(),
tools_config,
features: parent_turn_context.features.clone(),
ghost_snapshot: parent_turn_context.ghost_snapshot.clone(),
current_date: parent_turn_context.current_date.clone(),
timezone: parent_turn_context.timezone.clone(),
app_server_client_name: parent_turn_context.app_server_client_name.clone(),
developer_instructions: None,
user_instructions: None,
compact_prompt: parent_turn_context.compact_prompt.clone(),
collaboration_mode: parent_turn_context.collaboration_mode.clone(),
personality: parent_turn_context.personality,
approval_policy: parent_turn_context.approval_policy.clone(),
sandbox_policy: parent_turn_context.sandbox_policy.clone(),
file_system_sandbox_policy: parent_turn_context.file_system_sandbox_policy.clone(),
network_sandbox_policy: parent_turn_context.network_sandbox_policy,
network: parent_turn_context.network.clone(),
windows_sandbox_level: parent_turn_context.windows_sandbox_level,
shell_environment_policy: parent_turn_context.shell_environment_policy.clone(),
cwd: parent_turn_context.cwd.clone(),
final_output_json_schema: None,
codex_self_exe: parent_turn_context.codex_self_exe.clone(),
codex_linux_sandbox_exe: parent_turn_context.codex_linux_sandbox_exe.clone(),
tool_call_gate: Arc::new(ReadinessFlag::new()),
js_repl: Arc::clone(&sess.js_repl),
dynamic_tools: parent_turn_context.dynamic_tools.clone(),
truncation_policy: model_info.truncation_policy.into(),
turn_metadata_state,
turn_skills: TurnSkillsContext::new(parent_turn_context.turn_skills.outcome.clone()),
turn_timing_state: Arc::new(TurnTimingState::default()),
};
// Seed the child task with the review prompt as the initial user message.
let input: Vec<UserInput> = vec![UserInput::Text {
text: review_prompt,
// Review prompt is synthesized; no UI element ranges to preserve.
text_elements: Vec::new(),
}];
let tc = Arc::new(review_turn_context);
tc.turn_metadata_state.spawn_git_enrichment_task();
// TODO(ccunningham): Review turns currently rely on `spawn_task` for TurnComplete but do not
// emit a parent TurnStarted. Consider giving review a full parent turn lifecycle
// (TurnStarted + TurnComplete) for consistency with other standalone tasks.
sess.spawn_task(tc.clone(), input, ReviewTask::new()).await;
// Announce entering review mode so UIs can switch modes.
let review_request = ReviewRequest {
target: resolved.target,
user_facing_hint: Some(resolved.user_facing_hint),
};
sess.send_event(&tc, EventMsg::EnteredReviewMode(review_request))
.await;
}

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use super::*;
/// Context for an initialized model agent
///
/// A session has at most 1 running task at a time, and can be interrupted by user input.
pub(crate) struct Session {
pub(crate) conversation_id: ThreadId,
pub(super) tx_event: Sender<Event>,
pub(super) agent_status: watch::Sender<AgentStatus>,
pub(super) out_of_band_elicitation_paused: watch::Sender<bool>,
pub(super) state: Mutex<SessionState>,
/// Serializes rebuild/apply cycles for the running proxy; each cycle
/// rebuilds from the current SessionState while holding this lock.
pub(super) managed_network_proxy_refresh_lock: Mutex<()>,
/// The set of enabled features should be invariant for the lifetime of the
/// session.
pub(super) features: ManagedFeatures,
pub(super) pending_mcp_server_refresh_config: Mutex<Option<McpServerRefreshConfig>>,
pub(crate) conversation: Arc<RealtimeConversationManager>,
pub(crate) active_turn: Mutex<Option<ActiveTurn>>,
pub(super) mailbox: Mailbox,
pub(super) mailbox_rx: Mutex<MailboxReceiver>,
pub(super) idle_pending_input: Mutex<Vec<ResponseInputItem>>, // TODO (jif) merge with mailbox!
pub(crate) guardian_review_session: GuardianReviewSessionManager,
pub(crate) services: SessionServices,
pub(super) js_repl: Arc<JsReplHandle>,
pub(super) next_internal_sub_id: AtomicU64,
}
#[derive(Clone)]
pub(crate) struct SessionConfiguration {
/// Provider identifier ("openai", "openrouter", ...).
pub(super) provider: ModelProviderInfo,
pub(super) collaboration_mode: CollaborationMode,
pub(super) model_reasoning_summary: Option<ReasoningSummaryConfig>,
pub(super) service_tier: Option<ServiceTier>,
/// Developer instructions that supplement the base instructions.
pub(super) developer_instructions: Option<String>,
/// Model instructions that are appended to the base instructions.
pub(super) user_instructions: Option<String>,
/// Personality preference for the model.
pub(super) personality: Option<Personality>,
/// Base instructions for the session.
pub(super) base_instructions: String,
/// Compact prompt override.
pub(super) compact_prompt: Option<String>,
/// When to escalate for approval for execution
pub(super) approval_policy: Constrained<AskForApproval>,
pub(super) approvals_reviewer: ApprovalsReviewer,
/// How to sandbox commands executed in the system
pub(super) sandbox_policy: Constrained<SandboxPolicy>,
pub(super) file_system_sandbox_policy: FileSystemSandboxPolicy,
pub(super) network_sandbox_policy: NetworkSandboxPolicy,
pub(super) windows_sandbox_level: WindowsSandboxLevel,
/// Absolute working directory that should be treated as the *root* of the
/// session. All relative paths supplied by the model as well as the
/// execution sandbox are resolved against this directory **instead** of
/// the process-wide current working directory.
pub(super) cwd: AbsolutePathBuf,
/// Directory containing all Codex state for this session.
pub(super) codex_home: AbsolutePathBuf,
/// Optional user-facing name for the thread, updated during the session.
pub(super) thread_name: Option<String>,
// TODO(pakrym): Remove config from here
pub(super) original_config_do_not_use: Arc<Config>,
/// Optional service name tag for session metrics.
pub(super) metrics_service_name: Option<String>,
pub(super) app_server_client_name: Option<String>,
pub(super) app_server_client_version: Option<String>,
/// Source of the session (cli, vscode, exec, mcp, ...)
pub(super) session_source: SessionSource,
pub(super) dynamic_tools: Vec<DynamicToolSpec>,
pub(super) persist_extended_history: bool,
pub(super) inherited_shell_snapshot: Option<Arc<ShellSnapshot>>,
pub(super) user_shell_override: Option<shell::Shell>,
}
impl SessionConfiguration {
pub(crate) fn codex_home(&self) -> &AbsolutePathBuf {
&self.codex_home
}
pub(super) fn thread_config_snapshot(&self) -> ThreadConfigSnapshot {
ThreadConfigSnapshot {
model: self.collaboration_mode.model().to_string(),
model_provider_id: self.original_config_do_not_use.model_provider_id.clone(),
service_tier: self.service_tier,
approval_policy: self.approval_policy.value(),
approvals_reviewer: self.approvals_reviewer,
sandbox_policy: self.sandbox_policy.get().clone(),
cwd: self.cwd.clone(),
ephemeral: self.original_config_do_not_use.ephemeral,
reasoning_effort: self.collaboration_mode.reasoning_effort(),
personality: self.personality,
session_source: self.session_source.clone(),
}
}
pub(crate) fn apply(&self, updates: &SessionSettingsUpdate) -> ConstraintResult<Self> {
let mut next_configuration = self.clone();
let file_system_policy_matches_legacy = self.file_system_sandbox_policy
== FileSystemSandboxPolicy::from_legacy_sandbox_policy(
self.sandbox_policy.get(),
&self.cwd,
);
if let Some(collaboration_mode) = updates.collaboration_mode.clone() {
next_configuration.collaboration_mode = collaboration_mode;
}
if let Some(summary) = updates.reasoning_summary {
next_configuration.model_reasoning_summary = Some(summary);
}
if let Some(service_tier) = updates.service_tier {
next_configuration.service_tier = service_tier;
}
if let Some(personality) = updates.personality {
next_configuration.personality = Some(personality);
}
if let Some(approval_policy) = updates.approval_policy {
next_configuration.approval_policy.set(approval_policy)?;
}
if let Some(approvals_reviewer) = updates.approvals_reviewer {
next_configuration.approvals_reviewer = approvals_reviewer;
}
let mut sandbox_policy_changed = false;
if let Some(sandbox_policy) = updates.sandbox_policy.clone() {
next_configuration.sandbox_policy.set(sandbox_policy)?;
next_configuration.network_sandbox_policy =
NetworkSandboxPolicy::from(next_configuration.sandbox_policy.get());
sandbox_policy_changed = true;
}
if let Some(windows_sandbox_level) = updates.windows_sandbox_level {
next_configuration.windows_sandbox_level = windows_sandbox_level;
}
let absolute_cwd = updates
.cwd
.as_ref()
.map(|cwd| {
AbsolutePathBuf::relative_to_current_dir(normalize_for_native_workdir(
cwd.as_path(),
))
.unwrap_or_else(|e| {
warn!("failed to normalize update cwd: {cwd:?}: {e}");
self.cwd.clone()
})
})
.unwrap_or_else(|| self.cwd.clone());
let cwd_changed = absolute_cwd.as_path() != self.cwd.as_path();
next_configuration.cwd = absolute_cwd;
if sandbox_policy_changed {
next_configuration.file_system_sandbox_policy =
FileSystemSandboxPolicy::from_legacy_sandbox_policy_preserving_deny_entries(
next_configuration.sandbox_policy.get(),
&next_configuration.cwd,
&self.file_system_sandbox_policy,
);
} else if cwd_changed && file_system_policy_matches_legacy {
// Preserve richer split policies across cwd-only updates; only
// rederive when the session is already using the legacy bridge.
next_configuration.file_system_sandbox_policy =
FileSystemSandboxPolicy::from_legacy_sandbox_policy(
next_configuration.sandbox_policy.get(),
&next_configuration.cwd,
);
}
if let Some(app_server_client_name) = updates.app_server_client_name.clone() {
next_configuration.app_server_client_name = Some(app_server_client_name);
}
if let Some(app_server_client_version) = updates.app_server_client_version.clone() {
next_configuration.app_server_client_version = Some(app_server_client_version);
}
Ok(next_configuration)
}
}
#[derive(Default, Clone)]
pub(crate) struct SessionSettingsUpdate {
pub(crate) cwd: Option<PathBuf>,
pub(crate) approval_policy: Option<AskForApproval>,
pub(crate) approvals_reviewer: Option<ApprovalsReviewer>,
pub(crate) sandbox_policy: Option<SandboxPolicy>,
pub(crate) windows_sandbox_level: Option<WindowsSandboxLevel>,
pub(crate) collaboration_mode: Option<CollaborationMode>,
pub(crate) reasoning_summary: Option<ReasoningSummaryConfig>,
pub(crate) service_tier: Option<Option<ServiceTier>>,
pub(crate) final_output_json_schema: Option<Option<Value>>,
pub(crate) personality: Option<Personality>,
pub(crate) app_server_client_name: Option<String>,
pub(crate) app_server_client_version: Option<String>,
}
pub(crate) struct AppServerClientMetadata {
pub(crate) client_name: Option<String>,
pub(crate) client_version: Option<String>,
}
impl Session {
#[instrument(name = "session_init", level = "info", skip_all)]
#[allow(clippy::too_many_arguments)]
pub(crate) async fn new(
mut session_configuration: SessionConfiguration,
config: Arc<Config>,
auth_manager: Arc<AuthManager>,
models_manager: Arc<ModelsManager>,
exec_policy: Arc<ExecPolicyManager>,
tx_event: Sender<Event>,
agent_status: watch::Sender<AgentStatus>,
initial_history: InitialHistory,
session_source: SessionSource,
skills_manager: Arc<SkillsManager>,
plugins_manager: Arc<PluginsManager>,
mcp_manager: Arc<McpManager>,
skills_watcher: Arc<SkillsWatcher>,
agent_control: AgentControl,
environment: Option<Arc<Environment>>,
analytics_events_client: Option<AnalyticsEventsClient>,
) -> anyhow::Result<Arc<Self>> {
debug!(
"Configuring session: model={}; provider={:?}",
session_configuration.collaboration_mode.model(),
session_configuration.provider
);
let forked_from_id = initial_history.forked_from_id();
let (conversation_id, rollout_params) = match &initial_history {
InitialHistory::New | InitialHistory::Cleared | InitialHistory::Forked(_) => {
let conversation_id = ThreadId::default();
(
conversation_id,
RolloutRecorderParams::new(
conversation_id,
forked_from_id,
session_source,
BaseInstructions {
text: session_configuration.base_instructions.clone(),
},
session_configuration.dynamic_tools.clone(),
if session_configuration.persist_extended_history {
EventPersistenceMode::Extended
} else {
EventPersistenceMode::Limited
},
),
)
}
InitialHistory::Resumed(resumed_history) => (
resumed_history.conversation_id,
RolloutRecorderParams::resume(
resumed_history.rollout_path.clone(),
if session_configuration.persist_extended_history {
EventPersistenceMode::Extended
} else {
EventPersistenceMode::Limited
},
),
),
};
let window_generation = match &initial_history {
InitialHistory::Resumed(resumed_history) => u64::try_from(
resumed_history
.history
.iter()
.filter(|item| matches!(item, RolloutItem::Compacted(_)))
.count(),
)
.unwrap_or(u64::MAX),
InitialHistory::New | InitialHistory::Cleared | InitialHistory::Forked(_) => 0,
};
let state_builder = match &initial_history {
InitialHistory::Resumed(resumed) => metadata::builder_from_items(
resumed.history.as_slice(),
resumed.rollout_path.as_path(),
),
InitialHistory::New | InitialHistory::Cleared | InitialHistory::Forked(_) => None,
};
// Kick off independent async setup tasks in parallel to reduce startup latency.
//
// - initialize RolloutRecorder with new or resumed session info
// - perform default shell discovery
// - load history metadata (skipped for subagents)
let rollout_fut = async {
if config.ephemeral {
Ok::<_, anyhow::Error>((None, None))
} else {
let state_db_ctx = state_db::init(&config).await;
let rollout_recorder = RolloutRecorder::new(
&config,
rollout_params,
state_db_ctx.clone(),
state_builder.clone(),
)
.await?;
Ok((Some(rollout_recorder), state_db_ctx))
}
}
.instrument(info_span!(
"session_init.rollout",
otel.name = "session_init.rollout",
session_init.ephemeral = config.ephemeral,
));
let is_subagent = matches!(
session_configuration.session_source,
SessionSource::SubAgent(_)
);
let history_meta_fut = async {
if is_subagent {
(0, 0)
} else {
crate::message_history::history_metadata(&config).await
}
}
.instrument(info_span!(
"session_init.history_metadata",
otel.name = "session_init.history_metadata",
session_init.is_subagent = is_subagent,
));
let auth_manager_clone = Arc::clone(&auth_manager);
let config_for_mcp = Arc::clone(&config);
let mcp_manager_for_mcp = Arc::clone(&mcp_manager);
let auth_and_mcp_fut = async move {
let auth = auth_manager_clone.auth().await;
let mcp_servers = mcp_manager_for_mcp
.effective_servers(&config_for_mcp, auth.as_ref())
.await;
let auth_statuses = compute_auth_statuses(
mcp_servers.iter(),
config_for_mcp.mcp_oauth_credentials_store_mode,
)
.await;
(auth, mcp_servers, auth_statuses)
}
.instrument(info_span!(
"session_init.auth_mcp",
otel.name = "session_init.auth_mcp",
));
// Join all independent futures.
let (
rollout_recorder_and_state_db,
(history_log_id, history_entry_count),
(auth, mcp_servers, auth_statuses),
) = tokio::join!(rollout_fut, history_meta_fut, auth_and_mcp_fut);
let (rollout_recorder, state_db_ctx) = rollout_recorder_and_state_db.map_err(|e| {
error!("failed to initialize rollout recorder: {e:#}");
e
})?;
let rollout_path = rollout_recorder
.as_ref()
.map(|rec| rec.rollout_path().to_path_buf());
let mut post_session_configured_events = Vec::<Event>::new();
for usage in config.features.legacy_feature_usages() {
post_session_configured_events.push(Event {
id: INITIAL_SUBMIT_ID.to_owned(),
msg: EventMsg::DeprecationNotice(DeprecationNoticeEvent {
summary: usage.summary.clone(),
details: usage.details.clone(),
}),
});
}
if crate::config::uses_deprecated_instructions_file(&config.config_layer_stack) {
post_session_configured_events.push(Event {
id: INITIAL_SUBMIT_ID.to_owned(),
msg: EventMsg::DeprecationNotice(DeprecationNoticeEvent {
summary: "`experimental_instructions_file` is deprecated and ignored. Use `model_instructions_file` instead."
.to_string(),
details: Some(
"Move the setting to `model_instructions_file` in config.toml (or under a profile) to load instructions from a file."
.to_string(),
),
}),
});
}
for message in &config.startup_warnings {
post_session_configured_events.push(Event {
id: "".to_owned(),
msg: EventMsg::Warning(WarningEvent {
message: message.clone(),
}),
});
}
let config_path = config.codex_home.join(CONFIG_TOML_FILE);
if let Some(event) = unstable_features_warning_event(
config
.config_layer_stack
.effective_config()
.get("features")
.and_then(TomlValue::as_table),
config.suppress_unstable_features_warning,
&config.features,
&config_path.display().to_string(),
) {
post_session_configured_events.push(event);
}
if config.permissions.approval_policy.value() == AskForApproval::OnFailure {
post_session_configured_events.push(Event {
id: "".to_owned(),
msg: EventMsg::Warning(WarningEvent {
message: "`on-failure` approval policy is deprecated and will be removed in a future release. Use `on-request` for interactive approvals or `never` for non-interactive runs.".to_string(),
}),
});
}
let auth = auth.as_ref();
let auth_mode = auth.map(CodexAuth::auth_mode).map(TelemetryAuthMode::from);
let account_id = auth.and_then(CodexAuth::get_account_id);
let account_email = auth.and_then(CodexAuth::get_account_email);
let originator = originator().value;
let terminal_type = user_agent();
let session_model = session_configuration.collaboration_mode.model().to_string();
let auth_env_telemetry = collect_auth_env_telemetry(
&session_configuration.provider,
auth_manager.codex_api_key_env_enabled(),
);
let mut session_telemetry = SessionTelemetry::new(
conversation_id,
session_model.as_str(),
session_model.as_str(),
account_id.clone(),
account_email.clone(),
auth_mode,
originator.clone(),
config.otel.log_user_prompt,
terminal_type.clone(),
session_configuration.session_source.clone(),
)
.with_auth_env(auth_env_telemetry.to_otel_metadata());
if let Some(service_name) = session_configuration.metrics_service_name.as_deref() {
session_telemetry = session_telemetry.with_metrics_service_name(service_name);
}
let network_proxy_audit_metadata = NetworkProxyAuditMetadata {
conversation_id: Some(conversation_id.to_string()),
app_version: Some(env!("CARGO_PKG_VERSION").to_string()),
user_account_id: account_id,
auth_mode: auth_mode.map(|mode| mode.to_string()),
originator: Some(originator),
user_email: account_email,
terminal_type: Some(terminal_type),
model: Some(session_model.clone()),
slug: Some(session_model),
};
config.features.emit_metrics(&session_telemetry);
session_telemetry.counter(
THREAD_STARTED_METRIC,
/*inc*/ 1,
&[(
"is_git",
if get_git_repo_root(&session_configuration.cwd).is_some() {
"true"
} else {
"false"
},
)],
);
session_telemetry.conversation_starts(
config.model_provider.name.as_str(),
session_configuration.collaboration_mode.reasoning_effort(),
config
.model_reasoning_summary
.unwrap_or(ReasoningSummaryConfig::Auto),
config.model_context_window,
config.model_auto_compact_token_limit,
config.permissions.approval_policy.value(),
config.permissions.sandbox_policy.get().clone(),
mcp_servers.keys().map(String::as_str).collect(),
config.active_profile.clone(),
);
let use_zsh_fork_shell = config.features.enabled(Feature::ShellZshFork);
let mut default_shell = if let Some(user_shell_override) =
session_configuration.user_shell_override.clone()
{
user_shell_override
} else if use_zsh_fork_shell {
let zsh_path = config.zsh_path.as_ref().ok_or_else(|| {
anyhow::anyhow!(
"zsh fork feature enabled, but `zsh_path` is not configured; set `zsh_path` in config.toml"
)
})?;
let zsh_path = zsh_path.to_path_buf();
shell::get_shell(shell::ShellType::Zsh, Some(&zsh_path)).ok_or_else(|| {
anyhow::anyhow!(
"zsh fork feature enabled, but zsh_path `{}` is not usable; set `zsh_path` to a valid zsh executable",
zsh_path.display()
)
})?
} else {
shell::default_user_shell()
};
// Create the mutable state for the Session.
let shell_snapshot_tx = if config.features.enabled(Feature::ShellSnapshot) {
if let Some(snapshot) = session_configuration.inherited_shell_snapshot.clone() {
let (tx, rx) = watch::channel(Some(snapshot));
default_shell.shell_snapshot = rx;
tx
} else {
ShellSnapshot::start_snapshotting(
config.codex_home.clone(),
conversation_id,
session_configuration.cwd.clone(),
&mut default_shell,
session_telemetry.clone(),
)
}
} else {
let (tx, rx) = watch::channel(None);
default_shell.shell_snapshot = rx;
tx
};
let thread_name =
thread_title_from_state_db(state_db_ctx.as_ref(), &config.codex_home, conversation_id)
.instrument(info_span!(
"session_init.thread_name_lookup",
otel.name = "session_init.thread_name_lookup",
))
.await;
session_configuration.thread_name = thread_name.clone();
let state = SessionState::new(session_configuration.clone());
let managed_network_requirements_configured = config
.config_layer_stack
.requirements_toml()
.network
.is_some();
let managed_network_requirements_enabled = config.managed_network_requirements_enabled();
let network_approval = Arc::new(NetworkApprovalService::default());
// The managed proxy can call back into core for allowlist-miss decisions.
let network_policy_decider_session = if managed_network_requirements_configured {
config
.permissions
.network
.as_ref()
.map(|_| Arc::new(RwLock::new(std::sync::Weak::<Session>::new())))
} else {
None
};
let blocked_request_observer = if managed_network_requirements_configured {
config
.permissions
.network
.as_ref()
.map(|_| build_blocked_request_observer(Arc::clone(&network_approval)))
} else {
None
};
let network_policy_decider =
network_policy_decider_session
.as_ref()
.map(|network_policy_decider_session| {
build_network_policy_decider(
Arc::clone(&network_approval),
Arc::clone(network_policy_decider_session),
)
});
let (network_proxy, session_network_proxy) =
if let Some(spec) = config.permissions.network.as_ref() {
let current_exec_policy = exec_policy.current();
let (network_proxy, session_network_proxy) = Self::start_managed_network_proxy(
spec,
current_exec_policy.as_ref(),
config.permissions.sandbox_policy.get(),
network_policy_decider.as_ref().map(Arc::clone),
blocked_request_observer.as_ref().map(Arc::clone),
managed_network_requirements_configured,
network_proxy_audit_metadata,
)
.instrument(info_span!(
"session_init.network_proxy",
otel.name = "session_init.network_proxy",
session_init.managed_network_requirements_enabled =
managed_network_requirements_enabled,
))
.await?;
(Some(network_proxy), Some(session_network_proxy))
} else {
(None, None)
};
let mut hook_shell_argv =
default_shell.derive_exec_args("", /*use_login_shell*/ false);
let hook_shell_program = hook_shell_argv.remove(0);
let _ = hook_shell_argv.pop();
let hooks = Hooks::new(HooksConfig {
legacy_notify_argv: config.notify.clone(),
feature_enabled: config.features.enabled(Feature::CodexHooks),
config_layer_stack: Some(config.config_layer_stack.clone()),
shell_program: Some(hook_shell_program),
shell_args: hook_shell_argv,
});
for warning in hooks.startup_warnings() {
post_session_configured_events.push(Event {
id: INITIAL_SUBMIT_ID.to_owned(),
msg: EventMsg::Warning(WarningEvent {
message: warning.clone(),
}),
});
}
let installation_id = resolve_installation_id(&config.codex_home).await?;
let analytics_events_client = analytics_events_client.unwrap_or_else(|| {
AnalyticsEventsClient::new(
Arc::clone(&auth_manager),
config.chatgpt_base_url.trim_end_matches('/').to_string(),
config.analytics_enabled,
)
});
let services = SessionServices {
// Initialize the MCP connection manager with an uninitialized
// instance. It will be replaced with one created via
// McpConnectionManager::new() once all its constructor args are
// available. This also ensures `SessionConfigured` is emitted
// before any MCP-related events. It is reasonable to consider
// changing this to use Option or OnceCell, though the current
// setup is straightforward enough and performs well.
mcp_connection_manager: Arc::new(RwLock::new(McpConnectionManager::new_uninitialized(
&config.permissions.approval_policy,
&config.permissions.sandbox_policy,
))),
mcp_startup_cancellation_token: Mutex::new(CancellationToken::new()),
unified_exec_manager: UnifiedExecProcessManager::new(
config.background_terminal_max_timeout,
),
shell_zsh_path: config.zsh_path.clone(),
main_execve_wrapper_exe: config.main_execve_wrapper_exe.clone(),
analytics_events_client,
hooks,
rollout: Mutex::new(rollout_recorder),
user_shell: Arc::new(default_shell),
agent_identity_manager: Arc::new(AgentIdentityManager::new(
config.as_ref(),
Arc::clone(&auth_manager),
session_configuration.session_source.clone(),
)),
shell_snapshot_tx,
show_raw_agent_reasoning: config.show_raw_agent_reasoning,
exec_policy,
auth_manager: Arc::clone(&auth_manager),
session_telemetry,
models_manager: Arc::clone(&models_manager),
tool_approvals: Mutex::new(ApprovalStore::default()),
guardian_rejections: Mutex::new(HashMap::new()),
skills_manager,
plugins_manager: Arc::clone(&plugins_manager),
mcp_manager: Arc::clone(&mcp_manager),
skills_watcher,
agent_control,
network_proxy,
network_approval: Arc::clone(&network_approval),
state_db: state_db_ctx.clone(),
thread_store: LocalThreadStore::new(RolloutConfig::from_view(config.as_ref())),
model_client: ModelClient::new(
Some(Arc::clone(&auth_manager)),
conversation_id,
installation_id,
session_configuration.provider.clone(),
session_configuration.session_source.clone(),
config.model_verbosity,
config.features.enabled(Feature::EnableRequestCompression),
config.features.enabled(Feature::RuntimeMetrics),
Self::build_model_client_beta_features_header(config.as_ref()),
),
code_mode_service: crate::tools::code_mode::CodeModeService::new(
config.js_repl_node_path.clone(),
),
environment,
};
services
.model_client
.set_window_generation(window_generation);
let js_repl = Arc::new(JsReplHandle::with_node_path(
config.js_repl_node_path.clone(),
config.js_repl_node_module_dirs.clone(),
));
let (out_of_band_elicitation_paused, _out_of_band_elicitation_paused_rx) =
watch::channel(false);
let (mailbox, mailbox_rx) = Mailbox::new();
let sess = Arc::new(Session {
conversation_id,
tx_event: tx_event.clone(),
agent_status,
out_of_band_elicitation_paused,
state: Mutex::new(state),
managed_network_proxy_refresh_lock: Mutex::new(()),
features: config.features.clone(),
pending_mcp_server_refresh_config: Mutex::new(None),
conversation: Arc::new(RealtimeConversationManager::new()),
active_turn: Mutex::new(None),
mailbox,
mailbox_rx: Mutex::new(mailbox_rx),
idle_pending_input: Mutex::new(Vec::new()),
guardian_review_session: GuardianReviewSessionManager::default(),
services,
js_repl,
next_internal_sub_id: AtomicU64::new(0),
});
if let Some(network_policy_decider_session) = network_policy_decider_session {
let mut guard = network_policy_decider_session.write().await;
*guard = Arc::downgrade(&sess);
}
// Dispatch the SessionConfiguredEvent first and then report any errors.
// If resuming, include converted initial messages in the payload so UIs can render them immediately.
let initial_messages = initial_history.get_event_msgs();
let events = std::iter::once(Event {
id: INITIAL_SUBMIT_ID.to_owned(),
msg: EventMsg::SessionConfigured(SessionConfiguredEvent {
session_id: conversation_id,
forked_from_id,
thread_name: session_configuration.thread_name.clone(),
model: session_configuration.collaboration_mode.model().to_string(),
model_provider_id: config.model_provider_id.clone(),
service_tier: session_configuration.service_tier,
approval_policy: session_configuration.approval_policy.value(),
approvals_reviewer: session_configuration.approvals_reviewer,
sandbox_policy: session_configuration.sandbox_policy.get().clone(),
cwd: session_configuration.cwd.clone(),
reasoning_effort: session_configuration.collaboration_mode.reasoning_effort(),
history_log_id,
history_entry_count,
initial_messages,
network_proxy: session_network_proxy.filter(|_| {
Self::managed_network_proxy_active_for_sandbox_policy(
session_configuration.sandbox_policy.get(),
)
}),
rollout_path,
}),
})
.chain(post_session_configured_events.into_iter());
for event in events {
sess.send_event_raw(event).await;
}
// Start the watcher after SessionConfigured so it cannot emit earlier events.
sess.start_skills_watcher_listener();
sess.start_agent_identity_registration();
let mut required_mcp_servers: Vec<String> = mcp_servers
.iter()
.filter(|(_, server)| server.enabled && server.required)
.map(|(name, _)| name.clone())
.collect();
required_mcp_servers.sort();
let enabled_mcp_server_count = mcp_servers.values().filter(|server| server.enabled).count();
let required_mcp_server_count = required_mcp_servers.len();
let tool_plugin_provenance = mcp_manager.tool_plugin_provenance(config.as_ref()).await;
{
let mut cancel_guard = sess.services.mcp_startup_cancellation_token.lock().await;
cancel_guard.cancel();
*cancel_guard = CancellationToken::new();
}
let (mcp_connection_manager, cancel_token) = McpConnectionManager::new(
&mcp_servers,
config.mcp_oauth_credentials_store_mode,
auth_statuses.clone(),
&session_configuration.approval_policy,
INITIAL_SUBMIT_ID.to_owned(),
tx_event.clone(),
session_configuration.sandbox_policy.get().clone(),
config.codex_home.to_path_buf(),
codex_apps_tools_cache_key(auth),
tool_plugin_provenance,
)
.instrument(info_span!(
"session_init.mcp_manager_init",
otel.name = "session_init.mcp_manager_init",
session_init.enabled_mcp_server_count = enabled_mcp_server_count,
session_init.required_mcp_server_count = required_mcp_server_count,
))
.await;
{
let mut manager_guard = sess.services.mcp_connection_manager.write().await;
*manager_guard = mcp_connection_manager;
}
{
let mut cancel_guard = sess.services.mcp_startup_cancellation_token.lock().await;
if cancel_guard.is_cancelled() {
cancel_token.cancel();
}
*cancel_guard = cancel_token;
}
if !required_mcp_servers.is_empty() {
let failures = sess
.services
.mcp_connection_manager
.read()
.await
.required_startup_failures(&required_mcp_servers)
.instrument(info_span!(
"session_init.required_mcp_wait",
otel.name = "session_init.required_mcp_wait",
session_init.required_mcp_server_count = required_mcp_server_count,
))
.await;
if !failures.is_empty() {
let details = failures
.iter()
.map(|failure| format!("{}: {}", failure.server, failure.error))
.collect::<Vec<_>>()
.join("; ");
return Err(anyhow::anyhow!(
"required MCP servers failed to initialize: {details}"
));
}
}
sess.schedule_startup_prewarm(session_configuration.base_instructions.clone())
.await;
let session_start_source = match &initial_history {
InitialHistory::Resumed(_) => codex_hooks::SessionStartSource::Resume,
InitialHistory::New | InitialHistory::Forked(_) => {
codex_hooks::SessionStartSource::Startup
}
InitialHistory::Cleared => codex_hooks::SessionStartSource::Clear,
};
// record_initial_history can emit events. We record only after the SessionConfiguredEvent is emitted.
sess.record_initial_history(initial_history).await;
{
let mut state = sess.state.lock().await;
state.set_pending_session_start_source(Some(session_start_source));
}
memories::start_memories_startup_task(
&sess,
Arc::clone(&config),
&session_configuration.session_source,
);
Ok(sess)
}
}

View File

@@ -0,0 +1,615 @@
use super::*;
pub(super) fn image_generation_tool_auth_allowed(auth_manager: Option<&AuthManager>) -> bool {
matches!(
auth_manager.and_then(AuthManager::auth_mode),
Some(AuthMode::Chatgpt)
)
}
#[derive(Clone, Debug)]
pub(crate) struct TurnSkillsContext {
pub(crate) outcome: Arc<SkillLoadOutcome>,
pub(crate) implicit_invocation_seen_skills: Arc<Mutex<HashSet<String>>>,
}
impl TurnSkillsContext {
pub(crate) fn new(outcome: Arc<SkillLoadOutcome>) -> Self {
Self {
outcome,
implicit_invocation_seen_skills: Arc::new(Mutex::new(HashSet::new())),
}
}
}
/// The context needed for a single turn of the thread.
#[derive(Debug)]
pub(crate) struct TurnContext {
pub(crate) sub_id: String,
pub(crate) trace_id: Option<String>,
pub(crate) realtime_active: bool,
pub(crate) config: Arc<Config>,
pub(crate) auth_manager: Option<Arc<AuthManager>>,
pub(crate) model_info: ModelInfo,
pub(crate) session_telemetry: SessionTelemetry,
pub(crate) provider: ModelProviderInfo,
pub(crate) reasoning_effort: Option<ReasoningEffortConfig>,
pub(crate) reasoning_summary: ReasoningSummaryConfig,
pub(crate) session_source: SessionSource,
pub(crate) environment: Option<Arc<Environment>>,
/// The session's absolute working directory. All relative paths provided
/// by the model as well as sandbox policies are resolved against this path
/// instead of `std::env::current_dir()`.
pub(crate) cwd: AbsolutePathBuf,
pub(crate) current_date: Option<String>,
pub(crate) timezone: Option<String>,
pub(crate) app_server_client_name: Option<String>,
pub(crate) developer_instructions: Option<String>,
pub(crate) compact_prompt: Option<String>,
pub(crate) user_instructions: Option<String>,
pub(crate) collaboration_mode: CollaborationMode,
pub(crate) personality: Option<Personality>,
pub(crate) approval_policy: Constrained<AskForApproval>,
pub(crate) sandbox_policy: Constrained<SandboxPolicy>,
pub(crate) file_system_sandbox_policy: FileSystemSandboxPolicy,
pub(crate) network_sandbox_policy: NetworkSandboxPolicy,
pub(crate) network: Option<NetworkProxy>,
pub(crate) windows_sandbox_level: WindowsSandboxLevel,
pub(crate) shell_environment_policy: ShellEnvironmentPolicy,
pub(crate) tools_config: ToolsConfig,
pub(crate) features: ManagedFeatures,
pub(crate) ghost_snapshot: GhostSnapshotConfig,
pub(crate) final_output_json_schema: Option<Value>,
pub(crate) codex_self_exe: Option<PathBuf>,
pub(crate) codex_linux_sandbox_exe: Option<PathBuf>,
pub(crate) tool_call_gate: Arc<ReadinessFlag>,
pub(crate) truncation_policy: TruncationPolicy,
pub(crate) js_repl: Arc<JsReplHandle>,
pub(crate) dynamic_tools: Vec<DynamicToolSpec>,
pub(crate) turn_metadata_state: Arc<TurnMetadataState>,
pub(crate) turn_skills: TurnSkillsContext,
pub(crate) turn_timing_state: Arc<TurnTimingState>,
}
impl TurnContext {
pub(crate) fn model_context_window(&self) -> Option<i64> {
let effective_context_window_percent = self.model_info.effective_context_window_percent;
self.model_info.context_window.map(|context_window| {
context_window.saturating_mul(effective_context_window_percent) / 100
})
}
pub(crate) fn apps_enabled(&self) -> bool {
let is_chatgpt_auth = self
.auth_manager
.as_deref()
.and_then(AuthManager::auth_cached)
.as_ref()
.is_some_and(CodexAuth::is_chatgpt_auth);
self.features.apps_enabled_for_auth(is_chatgpt_auth)
}
pub(crate) async fn with_model(&self, model: String, models_manager: &ModelsManager) -> Self {
let mut config = (*self.config).clone();
config.model = Some(model.clone());
let model_info = models_manager
.get_model_info(model.as_str(), &config.to_models_manager_config())
.await;
let truncation_policy = model_info.truncation_policy.into();
let supported_reasoning_levels = model_info
.supported_reasoning_levels
.iter()
.map(|preset| preset.effort)
.collect::<Vec<_>>();
let reasoning_effort = if let Some(current_reasoning_effort) = self.reasoning_effort {
if supported_reasoning_levels.contains(&current_reasoning_effort) {
Some(current_reasoning_effort)
} else {
supported_reasoning_levels
.get(supported_reasoning_levels.len().saturating_sub(1) / 2)
.copied()
.or(model_info.default_reasoning_level)
}
} else {
supported_reasoning_levels
.get(supported_reasoning_levels.len().saturating_sub(1) / 2)
.copied()
.or(model_info.default_reasoning_level)
};
config.model_reasoning_effort = reasoning_effort;
let collaboration_mode = self.collaboration_mode.with_updates(
Some(model.clone()),
Some(reasoning_effort),
/*developer_instructions*/ None,
);
let features = self.features.clone();
let tools_config = ToolsConfig::new(&ToolsConfigParams {
model_info: &model_info,
available_models: &models_manager
.list_models(RefreshStrategy::OnlineIfUncached)
.await,
features: &features,
image_generation_tool_auth_allowed: image_generation_tool_auth_allowed(
self.auth_manager.as_deref(),
),
web_search_mode: self.tools_config.web_search_mode,
session_source: self.session_source.clone(),
sandbox_policy: self.sandbox_policy.get(),
windows_sandbox_level: self.windows_sandbox_level,
})
.with_unified_exec_shell_mode(self.tools_config.unified_exec_shell_mode.clone())
.with_web_search_config(self.tools_config.web_search_config.clone())
.with_allow_login_shell(self.tools_config.allow_login_shell)
.with_has_environment(self.tools_config.has_environment)
.with_spawn_agent_usage_hint(config.multi_agent_v2.usage_hint_enabled)
.with_spawn_agent_usage_hint_text(config.multi_agent_v2.usage_hint_text.clone())
.with_hide_spawn_agent_metadata(config.multi_agent_v2.hide_spawn_agent_metadata)
.with_agent_type_description(crate::agent::role::spawn_tool_spec::build(
&config.agent_roles,
));
Self {
sub_id: self.sub_id.clone(),
trace_id: self.trace_id.clone(),
realtime_active: self.realtime_active,
config: Arc::new(config),
auth_manager: self.auth_manager.clone(),
model_info: model_info.clone(),
session_telemetry: self
.session_telemetry
.clone()
.with_model(model.as_str(), model_info.slug.as_str()),
provider: self.provider.clone(),
reasoning_effort,
reasoning_summary: self.reasoning_summary,
session_source: self.session_source.clone(),
environment: self.environment.clone(),
cwd: self.cwd.clone(),
current_date: self.current_date.clone(),
timezone: self.timezone.clone(),
app_server_client_name: self.app_server_client_name.clone(),
developer_instructions: self.developer_instructions.clone(),
compact_prompt: self.compact_prompt.clone(),
user_instructions: self.user_instructions.clone(),
collaboration_mode,
personality: self.personality,
approval_policy: self.approval_policy.clone(),
sandbox_policy: self.sandbox_policy.clone(),
file_system_sandbox_policy: self.file_system_sandbox_policy.clone(),
network_sandbox_policy: self.network_sandbox_policy,
network: self.network.clone(),
windows_sandbox_level: self.windows_sandbox_level,
shell_environment_policy: self.shell_environment_policy.clone(),
tools_config,
features,
ghost_snapshot: self.ghost_snapshot.clone(),
final_output_json_schema: self.final_output_json_schema.clone(),
codex_self_exe: self.codex_self_exe.clone(),
codex_linux_sandbox_exe: self.codex_linux_sandbox_exe.clone(),
tool_call_gate: Arc::new(ReadinessFlag::new()),
truncation_policy,
js_repl: Arc::clone(&self.js_repl),
dynamic_tools: self.dynamic_tools.clone(),
turn_metadata_state: self.turn_metadata_state.clone(),
turn_skills: self.turn_skills.clone(),
turn_timing_state: Arc::clone(&self.turn_timing_state),
}
}
pub(crate) fn resolve_path(&self, path: Option<String>) -> AbsolutePathBuf {
path.as_ref()
.map_or_else(|| self.cwd.clone(), |path| self.cwd.join(path))
}
pub(crate) fn file_system_sandbox_context(
&self,
additional_permissions: Option<PermissionProfile>,
) -> FileSystemSandboxContext {
FileSystemSandboxContext {
sandbox_policy: self.sandbox_policy.get().clone(),
windows_sandbox_level: self.windows_sandbox_level,
windows_sandbox_private_desktop: self
.config
.permissions
.windows_sandbox_private_desktop,
use_legacy_landlock: self.features.use_legacy_landlock(),
additional_permissions,
}
}
pub(crate) fn compact_prompt(&self) -> &str {
self.compact_prompt
.as_deref()
.unwrap_or(compact::SUMMARIZATION_PROMPT)
}
pub(crate) fn to_turn_context_item(&self) -> TurnContextItem {
let legacy_file_system_sandbox_policy = FileSystemSandboxPolicy::from_legacy_sandbox_policy(
self.sandbox_policy.get(),
&self.cwd,
);
// Omit the derived split filesystem policy when it is equivalent to
// the legacy sandbox policy. This keeps turn-context payloads stable
// while both fields exist; once callers consume only the split policy,
// this comparison and the legacy projection should go away.
let file_system_sandbox_policy = (self.file_system_sandbox_policy
!= legacy_file_system_sandbox_policy)
.then(|| self.file_system_sandbox_policy.clone());
TurnContextItem {
turn_id: Some(self.sub_id.clone()),
trace_id: self.trace_id.clone(),
cwd: self.cwd.to_path_buf(),
current_date: self.current_date.clone(),
timezone: self.timezone.clone(),
approval_policy: self.approval_policy.value(),
sandbox_policy: self.sandbox_policy.get().clone(),
network: self.turn_context_network_item(),
file_system_sandbox_policy,
model: self.model_info.slug.clone(),
personality: self.personality,
collaboration_mode: Some(self.collaboration_mode.clone()),
realtime_active: Some(self.realtime_active),
effort: self.reasoning_effort,
summary: self.reasoning_summary,
user_instructions: self.user_instructions.clone(),
developer_instructions: self.developer_instructions.clone(),
final_output_json_schema: self.final_output_json_schema.clone(),
truncation_policy: Some(self.truncation_policy),
}
}
fn turn_context_network_item(&self) -> Option<TurnContextNetworkItem> {
let network = self
.config
.config_layer_stack
.requirements()
.network
.as_ref()?;
Some(TurnContextNetworkItem {
allowed_domains: network
.domains
.as_ref()
.and_then(codex_config::NetworkDomainPermissionsToml::allowed_domains)
.unwrap_or_default(),
denied_domains: network
.domains
.as_ref()
.and_then(codex_config::NetworkDomainPermissionsToml::denied_domains)
.unwrap_or_default(),
})
}
}
fn local_time_context() -> (String, String) {
match iana_time_zone::get_timezone() {
Ok(timezone) => (Local::now().format("%Y-%m-%d").to_string(), timezone),
Err(_) => (
Utc::now().format("%Y-%m-%d").to_string(),
"Etc/UTC".to_string(),
),
}
}
impl Session {
/// Don't expand the number of mutated arguments on config. We are in the process of getting rid of it.
pub(crate) fn build_per_turn_config(session_configuration: &SessionConfiguration) -> Config {
// todo(aibrahim): store this state somewhere else so we don't need to mut config
let config = session_configuration.original_config_do_not_use.clone();
let mut per_turn_config = (*config).clone();
per_turn_config.cwd = session_configuration.cwd.clone();
per_turn_config.model_reasoning_effort =
session_configuration.collaboration_mode.reasoning_effort();
per_turn_config.model_reasoning_summary = session_configuration.model_reasoning_summary;
per_turn_config.service_tier = session_configuration.service_tier;
per_turn_config.personality = session_configuration.personality;
per_turn_config.approvals_reviewer = session_configuration.approvals_reviewer;
let resolved_web_search_mode = resolve_web_search_mode_for_turn(
&per_turn_config.web_search_mode,
session_configuration.sandbox_policy.get(),
);
if let Err(err) = per_turn_config
.web_search_mode
.set(resolved_web_search_mode)
{
let fallback_value = per_turn_config.web_search_mode.value();
tracing::warn!(
error = %err,
?resolved_web_search_mode,
?fallback_value,
"resolved web_search_mode is disallowed by requirements; keeping constrained value"
);
}
per_turn_config.features = config.features.clone();
per_turn_config
}
#[allow(clippy::too_many_arguments)]
pub(crate) fn make_turn_context(
conversation_id: ThreadId,
auth_manager: Option<Arc<AuthManager>>,
session_telemetry: &SessionTelemetry,
provider: ModelProviderInfo,
session_configuration: &SessionConfiguration,
user_shell: &shell::Shell,
shell_zsh_path: Option<&PathBuf>,
main_execve_wrapper_exe: Option<&PathBuf>,
per_turn_config: Config,
model_info: ModelInfo,
models_manager: &ModelsManager,
network: Option<NetworkProxy>,
environment: Option<Arc<Environment>>,
sub_id: String,
js_repl: Arc<JsReplHandle>,
skills_outcome: Arc<SkillLoadOutcome>,
) -> TurnContext {
let reasoning_effort = session_configuration.collaboration_mode.reasoning_effort();
let reasoning_summary = session_configuration
.model_reasoning_summary
.unwrap_or(model_info.default_reasoning_summary);
let session_telemetry = session_telemetry.clone().with_model(
session_configuration.collaboration_mode.model(),
model_info.slug.as_str(),
);
let session_source = session_configuration.session_source.clone();
let image_generation_tool_auth_allowed =
image_generation_tool_auth_allowed(auth_manager.as_deref());
let auth_manager_for_context = auth_manager;
let provider_for_context = provider;
let session_telemetry_for_context = session_telemetry;
let tools_config = ToolsConfig::new(&ToolsConfigParams {
model_info: &model_info,
available_models: &models_manager.try_list_models().unwrap_or_default(),
features: &per_turn_config.features,
image_generation_tool_auth_allowed,
web_search_mode: Some(per_turn_config.web_search_mode.value()),
session_source: session_source.clone(),
sandbox_policy: session_configuration.sandbox_policy.get(),
windows_sandbox_level: session_configuration.windows_sandbox_level,
})
.with_unified_exec_shell_mode_for_session(
crate::tools::spec::tool_user_shell_type(user_shell),
shell_zsh_path,
main_execve_wrapper_exe,
)
.with_web_search_config(per_turn_config.web_search_config.clone())
.with_allow_login_shell(per_turn_config.permissions.allow_login_shell)
.with_has_environment(environment.is_some())
.with_spawn_agent_usage_hint(per_turn_config.multi_agent_v2.usage_hint_enabled)
.with_spawn_agent_usage_hint_text(per_turn_config.multi_agent_v2.usage_hint_text.clone())
.with_hide_spawn_agent_metadata(per_turn_config.multi_agent_v2.hide_spawn_agent_metadata)
.with_agent_type_description(crate::agent::role::spawn_tool_spec::build(
&per_turn_config.agent_roles,
));
let cwd = session_configuration.cwd.clone();
let per_turn_config = Arc::new(per_turn_config);
let turn_metadata_state = Arc::new(TurnMetadataState::new(
conversation_id.to_string(),
&session_source,
sub_id.clone(),
cwd.clone(),
session_configuration.sandbox_policy.get(),
session_configuration.windows_sandbox_level,
));
let (current_date, timezone) = local_time_context();
TurnContext {
sub_id,
trace_id: current_span_trace_id(),
realtime_active: false,
config: per_turn_config.clone(),
auth_manager: auth_manager_for_context,
model_info: model_info.clone(),
session_telemetry: session_telemetry_for_context,
provider: provider_for_context,
reasoning_effort,
reasoning_summary,
session_source,
environment,
cwd,
current_date: Some(current_date),
timezone: Some(timezone),
app_server_client_name: session_configuration.app_server_client_name.clone(),
developer_instructions: session_configuration.developer_instructions.clone(),
compact_prompt: session_configuration.compact_prompt.clone(),
user_instructions: session_configuration.user_instructions.clone(),
collaboration_mode: session_configuration.collaboration_mode.clone(),
personality: session_configuration.personality,
approval_policy: session_configuration.approval_policy.clone(),
sandbox_policy: session_configuration.sandbox_policy.clone(),
file_system_sandbox_policy: session_configuration.file_system_sandbox_policy.clone(),
network_sandbox_policy: session_configuration.network_sandbox_policy,
network,
windows_sandbox_level: session_configuration.windows_sandbox_level,
shell_environment_policy: per_turn_config.permissions.shell_environment_policy.clone(),
tools_config,
features: per_turn_config.features.clone(),
ghost_snapshot: per_turn_config.ghost_snapshot.clone(),
final_output_json_schema: None,
codex_self_exe: per_turn_config.codex_self_exe.clone(),
codex_linux_sandbox_exe: per_turn_config.codex_linux_sandbox_exe.clone(),
tool_call_gate: Arc::new(ReadinessFlag::new()),
truncation_policy: model_info.truncation_policy.into(),
js_repl,
dynamic_tools: session_configuration.dynamic_tools.clone(),
turn_metadata_state,
turn_skills: TurnSkillsContext::new(skills_outcome),
turn_timing_state: Arc::new(TurnTimingState::default()),
}
}
pub(crate) async fn new_turn_with_sub_id(
&self,
sub_id: String,
updates: SessionSettingsUpdate,
) -> ConstraintResult<Arc<TurnContext>> {
let (
session_configuration,
sandbox_policy_changed,
previous_cwd,
codex_home,
session_source,
) = {
let mut state = self.state.lock().await;
match state.session_configuration.clone().apply(&updates) {
Ok(next) => {
let previous_cwd = state.session_configuration.cwd.clone();
let sandbox_policy_changed =
state.session_configuration.sandbox_policy != next.sandbox_policy;
let codex_home = next.codex_home.clone();
let session_source = next.session_source.clone();
state.session_configuration = next.clone();
(
next,
sandbox_policy_changed,
previous_cwd,
codex_home,
session_source,
)
}
Err(err) => {
drop(state);
self.send_event_raw(Event {
id: sub_id.clone(),
msg: EventMsg::Error(ErrorEvent {
message: err.to_string(),
codex_error_info: Some(CodexErrorInfo::BadRequest),
}),
})
.await;
return Err(err);
}
}
};
self.maybe_refresh_shell_snapshot_for_cwd(
&previous_cwd,
&session_configuration.cwd,
&codex_home,
&session_source,
);
if sandbox_policy_changed {
self.refresh_managed_network_proxy_for_current_sandbox_policy()
.await;
}
Ok(self
.new_turn_from_configuration(
sub_id,
session_configuration,
updates.final_output_json_schema,
)
.await)
}
async fn new_turn_from_configuration(
&self,
sub_id: String,
session_configuration: SessionConfiguration,
final_output_json_schema: Option<Option<Value>>,
) -> Arc<TurnContext> {
let per_turn_config = Self::build_per_turn_config(&session_configuration);
{
let mcp_connection_manager = self.services.mcp_connection_manager.read().await;
mcp_connection_manager.set_approval_policy(&session_configuration.approval_policy);
mcp_connection_manager
.set_sandbox_policy(per_turn_config.permissions.sandbox_policy.get());
}
let model_info = self
.services
.models_manager
.get_model_info(
session_configuration.collaboration_mode.model(),
&per_turn_config.to_models_manager_config(),
)
.await;
let plugin_outcome = self
.services
.plugins_manager
.plugins_for_config(&per_turn_config)
.await;
let effective_skill_roots = plugin_outcome.effective_skill_roots();
let skills_input = skills_load_input_from_config(&per_turn_config, effective_skill_roots);
let fs = self
.services
.environment
.as_ref()
.map(|environment| environment.get_filesystem());
let skills_outcome = Arc::new(
self.services
.skills_manager
.skills_for_config(&skills_input, fs)
.await,
);
let mut turn_context: TurnContext = Self::make_turn_context(
self.conversation_id,
Some(Arc::clone(&self.services.auth_manager)),
&self.services.session_telemetry,
session_configuration.provider.clone(),
&session_configuration,
self.services.user_shell.as_ref(),
self.services.shell_zsh_path.as_ref(),
self.services.main_execve_wrapper_exe.as_ref(),
per_turn_config,
model_info,
&self.services.models_manager,
self.services
.network_proxy
.as_ref()
.and_then(|started_proxy| {
Self::managed_network_proxy_active_for_sandbox_policy(
session_configuration.sandbox_policy.get(),
)
.then(|| started_proxy.proxy())
}),
self.services.environment.clone(),
sub_id,
Arc::clone(&self.js_repl),
skills_outcome,
);
turn_context.realtime_active = self.conversation.running_state().await.is_some();
if let Some(final_schema) = final_output_json_schema {
turn_context.final_output_json_schema = final_schema;
}
let turn_context = Arc::new(turn_context);
turn_context.turn_metadata_state.spawn_git_enrichment_task();
turn_context
}
pub(crate) async fn maybe_emit_unknown_model_warning_for_turn(&self, tc: &TurnContext) {
if tc.model_info.used_fallback_model_metadata {
self.send_event(
tc,
EventMsg::Warning(WarningEvent {
message: format!(
"Model metadata for `{}` not found. Defaulting to fallback metadata; this can degrade performance and cause issues.",
tc.model_info.slug
),
}),
)
.await;
}
}
pub(crate) async fn new_default_turn(&self) -> Arc<TurnContext> {
self.new_default_turn_with_sub_id(self.next_internal_sub_id())
.await
}
pub(crate) async fn new_default_turn_with_sub_id(&self, sub_id: String) -> Arc<TurnContext> {
let session_configuration = {
let state = self.state.lock().await;
state.session_configuration.clone()
};
self.new_turn_from_configuration(
sub_id,
session_configuration,
/*final_output_json_schema*/ None,
)
.await
}
}