// ChatGPT backend and the OpenAI API take the same request body and differ only
// in the URL and the credentials. Every call sends the fixed cache key of the
// agent, so the turns and the compactions of the agent share one prompt cache.
-// The ChatGPT backend caches only with the key in the session_id header, so a
-// call to it sends the key there and in the body. Every call is recorded in the
-// usage file.
+// A call of a subagent sends the key of the agent with "-" and the name of the
+// subagent, so that the calls of a subagent do not share a cache entry with the
+// calls of the agent that run at the same time. The ChatGPT backend caches only
+// with the key in the session_id header, so a call to it sends the key there
+// and in the body. Every call is recorded in the usage file.
//
// The request never holds max_output_tokens or metadata, because the ChatGPT
// backend refuses them. It sets store to false, so the client sends the whole
return c.limit > 0 && c.calls.Load() >= c.limit
}
+// CallLimit returns the configured call limit, or zero for no limit.
+func (c *ModelClient) CallLimit() int64 {
+ return c.limit
+}
+
+// UsagePath returns the file that records the calls of this client.
+func (c *ModelClient) UsagePath() string {
+ return c.usage.path
+}
+
// Create sends the call and reads its event stream to the end. Over the call
// limit it sends nothing and returns errModelCallLimit.
func (c *ModelClient) Create(ctx context.Context, request ModelRequest) (ModelResponse, error) {
return ModelResponse{}, errModelCallLimit
}
+ cacheKey := c.cacheKey
+ if request.Agent != "" {
+ cacheKey += "-" + request.Agent
+ }
+
body, err := json.Marshal(ModelRequestBody{
Model: request.Model,
Instructions: request.Instructions,
Store: false,
Stream: true,
Include: []string{"reasoning.encrypted_content"},
- PromptCacheKey: c.cacheKey,
+ PromptCacheKey: cacheKey,
})
if err != nil {
return ModelResponse{}, fmt.Errorf("encode request: %w", err)
_, chatgpt := c.auth.(*ChatGPTAuth)
if chatgpt {
- httpRequest.Header.Set("session_id", c.cacheKey)
+ httpRequest.Header.Set("session_id", cacheKey)
}
start := time.Now()
}
record.Turn = request.Turn
+ record.Agent = request.Agent
response, err := c.send(httpRequest, &record)
if err != nil {
record.Error = err.Error()
// ModelRequest is one model call. Input holds the input items in order, such as
// modelUserMessage values or output items of an earlier response. Node names
// the node that a compaction builds, or is nil. Turn names the request of a
-// turn: first or next. Node and Turn go only to the usage file, never to the
-// endpoint.
+// turn: first or next. Agent names the subagent that makes the call, or is
+// empty for a call of the agent itself. Node, Turn, and Agent go to the usage
+// file, never to the endpoint as fields. Agent also gives the call the cache
+// key of its subagent.
type ModelRequest struct {
Model string
Effort string
Input []any
Node *NodeKey
Turn string
+ Agent string
}
// ModelResponse is the result of a model call. Output holds the output items as
// ModelUsageRecord is one line of usage.jsonl. Date is the start of the call,
// and Seconds its length. Node is the node [l, i] of a compaction. Status is
// the HTTP status, or 0 when no response came. TextBytes is the size of the
-// text of the reply. Turn names the request of a turn. Quota holds the
-// x-codex-* headers of the response, without the turn state.
+// text of the reply. Turn names the request of a turn. Agent names the subagent
+// of the call. Quota holds the x-codex-* headers of the response, without the
+// turn state.
type ModelUsageRecord struct {
Date string `json:"date"`
Seconds float64 `json:"seconds"`
Model string `json:"model"`
Node *[2]int `json:"node,omitempty"`
Turn string `json:"turn,omitempty"`
+ Agent string `json:"agent,omitempty"`
Status int `json:"status"`
InputTokens int `json:"input_tokens"`
CachedTokens int `json:"cached_tokens"`