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use codex_extension_api::McpToolContext;
use codex_extension_api::McpToolResultInput;
use codex_extension_api::ToolCallOutcome;
use codex_extension_api::ToolCallSource as ExtensionToolCallSource;
use codex_extension_api::ToolFinishInput;
use codex_extension_api::ToolStartInput;
use codex_protocol::mcp::CallToolResult;
use codex_tools::ToolName;
use crate::session::session::Session;
use crate::session::turn_context::TurnContext;
use crate::tools::context::ToolCallSource;
use crate::tools::context::ToolInvocation;
pub(crate) async fn notify_tool_start(
invocation: &ToolInvocation,
mcp_tool: Option<&McpToolContext>,
) {
let contributors = invocation
.session
.services
.extensions
.tool_lifecycle_contributors();
if contributors.is_empty() {
return;
}
let thread_store = &invocation.session.services.thread_extension_data;
let conversation_history = invocation.session.conversation_history_snapshot().await;
let root_turn_id = invocation.turn.turn_metadata_state.root_turn_id();
let originating_item_id = invocation
.originating_call()
.await
.and_then(|origin| origin.item_id);
for contributor in contributors {
contributor
.on_tool_start(ToolStartInput {
session_store: &invocation.session.services.session_extension_data,
thread_store,
turn_store: invocation.turn.extension_data.as_ref(),
turn_id: invocation.turn.sub_id.as_str(),
root_turn_id: root_turn_id.as_deref(),
call_id: invocation.call_id.as_str(),
originating_item_id: originating_item_id.as_ref(),
tool_name: &invocation.tool_name,
mcp_tool,
payload: &invocation.payload,
conversation_history: Arc::clone(&conversation_history),
source: extension_tool_call_source(invocation.source.clone()),
})
.await;
}
}
pub(crate) async fn process_mcp_tool_result(
session: &Session,
turn: &TurnContext,
call_id: &str,
mcp_tool: &McpToolContext,
arguments: &serde_json::Value,
result: &mut CallToolResult,
) {
for contributor in session.services.extensions.tool_lifecycle_contributors() {
contributor
.on_mcp_tool_result(McpToolResultInput {
session_store: &session.services.session_extension_data,
thread_store: &session.services.thread_extension_data,
turn_store: turn.extension_data.as_ref(),
turn_id: &turn.sub_id,
call_id,
mcp_tool,
arguments,
result,
})
.await;
}
}
pub(crate) async fn notify_tool_finish(invocation: &ToolInvocation, outcome: ToolCallOutcome) {
notify_tool_finish_parts(
invocation.session.as_ref(),
invocation.turn.as_ref(),
invocation.call_id.as_str(),
&invocation.tool_name,
invocation.source.clone(),
outcome,
)
.await;
}
pub(crate) async fn notify_tool_aborted(
session: &Session,
turn: &TurnContext,
call_id: &str,
tool_name: &ToolName,
source: ToolCallSource,
) {
notify_tool_finish_parts(
session,
turn,
call_id,
tool_name,
source,
ToolCallOutcome::Aborted,
)
.await;
}
async fn notify_tool_finish_parts(
session: &Session,
turn: &TurnContext,
call_id: &str,
tool_name: &ToolName,
source: ToolCallSource,
outcome: ToolCallOutcome,
) {
for contributor in session.services.extensions.tool_lifecycle_contributors() {
contributor
.on_tool_finish(ToolFinishInput {
session_store: &session.services.session_extension_data,
thread_store: &session.services.thread_extension_data,
turn_store: turn.extension_data.as_ref(),
turn_id: turn.sub_id.as_str(),
call_id,
tool_name,
source: extension_tool_call_source(source.clone()),
outcome,
})
.await;
}
}
pub(crate) fn extension_tool_call_source(source: ToolCallSource) -> ExtensionToolCallSource {
match source {
ToolCallSource::Direct | ToolCallSource::DirectPlaintextMessage => {
ExtensionToolCallSource::Direct
}
ToolCallSource::CodeMode {
cell_id,
runtime_tool_call_id,
} => ExtensionToolCallSource::CodeMode {
cell_id,
runtime_tool_call_id,
},
}
}
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