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fix(tools): close resp.Body on retry cancel and cache http.Client instances #940

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Merged
xiaket merged 6 commits into from
Mar 1, 2026
Merged

fix(tools): close resp.Body on retry cancel and cache http.Client instances #940

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dd9d6e4
fix(tools): close resp.Body on retry cancel and cache http.Client ins…
ItsT0ng Mar 1, 2026
ad8abe6
fix(channels): preserve original http client timeouts for LINE and WeCom
ItsT0ng Mar 1, 2026
53bf8bd
refactor(tools): extract timeout consts and deduplicate WebFetchTool …
ItsT0ng Mar 1, 2026
e8c6d82
test(utils): add context cancellation test for DoRequestWithRetry
ItsT0ng Mar 1, 2026
2ab6704
fix(utils): close resp in test to satisfy bodyclose linter
ItsT0ng Mar 1, 2026
e8d738c
fix(utils): eliminate flakiness in context cancellation retry test
ItsT0ng Mar 1, 2026
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14 changes: 11 additions & 3 deletions pkg/agent/loop.go
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ func registerSharedTools(
}

// Web tools
if searchTool := tools.NewWebSearchTool(tools.WebSearchToolOptions{
searchTool, err := tools.NewWebSearchTool(tools.WebSearchToolOptions{
BraveAPIKey: cfg.Tools.Web.Brave.APIKey,
BraveMaxResults: cfg.Tools.Web.Brave.MaxResults,
BraveEnabled: cfg.Tools.Web.Brave.Enabled,
Expand All @@ -113,10 +113,18 @@ func registerSharedTools(
PerplexityMaxResults: cfg.Tools.Web.Perplexity.MaxResults,
PerplexityEnabled: cfg.Tools.Web.Perplexity.Enabled,
Proxy: cfg.Tools.Web.Proxy,
}); searchTool != nil {
})
if err != nil {
logger.ErrorCF("agent", "Failed to create web search tool", map[string]any{"error": err.Error()})
} else if searchTool != nil {
agent.Tools.Register(searchTool)
}
agent.Tools.Register(tools.NewWebFetchToolWithProxy(50000, cfg.Tools.Web.Proxy))
fetchTool, err := tools.NewWebFetchToolWithProxy(50000, cfg.Tools.Web.Proxy)
if err != nil {
logger.ErrorCF("agent", "Failed to create web fetch tool", map[string]any{"error": err.Error()})
} else {
agent.Tools.Register(fetchTool)
}

// Hardware tools (I2C, SPI) - Linux only, returns error on other platforms
agent.Tools.Register(tools.NewI2CTool())
Expand Down
20 changes: 11 additions & 9 deletions pkg/channels/line/line.go
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Original file line number Diff line number Diff line change
Expand Up @@ -45,11 +45,13 @@ type replyTokenEntry struct {
type LINEChannel struct {
*channels.BaseChannel
config config.LINEConfig
botUserID string // Bot's user ID
botBasicID string // Bot's basic ID (e.g. @216ru...)
botDisplayName string // Bot's display name for text-based mention detection
replyTokens sync.Map // chatID -> replyTokenEntry
quoteTokens sync.Map // chatID -> quoteToken (string)
infoClient *http.Client // for bot info lookups (short timeout)
apiClient *http.Client // for messaging API calls
botUserID string // Bot's user ID
botBasicID string // Bot's basic ID (e.g. @216ru...)
botDisplayName string // Bot's display name for text-based mention detection
replyTokens sync.Map // chatID -> replyTokenEntry
quoteTokens sync.Map // chatID -> quoteToken (string)
ctx context.Context
cancel context.CancelFunc
}
Expand All @@ -69,6 +71,8 @@ func NewLINEChannel(cfg config.LINEConfig, messageBus *bus.MessageBus) (*LINECha
return &LINEChannel{
BaseChannel: base,
config: cfg,
infoClient: &http.Client{Timeout: 10 * time.Second},
apiClient: &http.Client{Timeout: 30 * time.Second},
}, nil
}

Expand Down Expand Up @@ -104,8 +108,7 @@ func (c *LINEChannel) fetchBotInfo() error {
}
req.Header.Set("Authorization", "Bearer "+c.config.ChannelAccessToken)

client := &http.Client{Timeout: 10 * time.Second}
resp, err := client.Do(req)
resp, err := c.infoClient.Do(req)
if err != nil {
return err
}
Expand Down Expand Up @@ -644,8 +647,7 @@ func (c *LINEChannel) callAPI(ctx context.Context, endpoint string, payload any)
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Authorization", "Bearer "+c.config.ChannelAccessToken)

client := &http.Client{Timeout: 30 * time.Second}
resp, err := client.Do(req)
resp, err := c.apiClient.Do(req)
if err != nil {
return channels.ClassifyNetError(err)
}
Expand Down
18 changes: 12 additions & 6 deletions pkg/channels/wecom/app.go
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ const (
type WeComAppChannel struct {
*channels.BaseChannel
config config.WeComAppConfig
client *http.Client
accessToken string
tokenExpiry time.Time
tokenMu sync.RWMutex
Expand Down Expand Up @@ -129,10 +130,18 @@ func NewWeComAppChannel(cfg config.WeComAppConfig, messageBus *bus.MessageBus) (
channels.WithReasoningChannelID(cfg.ReasoningChannelID),
)

// Client timeout must be >= the configured ReplyTimeout so the
// per-request context deadline is always the effective limit.
clientTimeout := 30 * time.Second
if d := time.Duration(cfg.ReplyTimeout) * time.Second; d > clientTimeout {
clientTimeout = d
}

ctx, cancel := context.WithCancel(context.Background())
return &WeComAppChannel{
BaseChannel: base,
config: cfg,
client: &http.Client{Timeout: clientTimeout},
ctx: ctx,
cancel: cancel,
processedMsgs: make(map[string]bool),
Expand Down Expand Up @@ -306,8 +315,7 @@ func (c *WeComAppChannel) uploadMedia(ctx context.Context, accessToken, mediaTyp
}
req.Header.Set("Content-Type", writer.FormDataContentType())

client := &http.Client{Timeout: 30 * time.Second}
resp, err := client.Do(req)
resp, err := c.client.Do(req)
if err != nil {
return "", channels.ClassifyNetError(err)
}
Expand Down Expand Up @@ -364,8 +372,7 @@ func (c *WeComAppChannel) sendImageMessage(ctx context.Context, accessToken, use
}
req.Header.Set("Content-Type", "application/json")

client := &http.Client{Timeout: time.Duration(timeout) * time.Second}
resp, err := client.Do(req)
resp, err := c.client.Do(req)
if err != nil {
return channels.ClassifyNetError(err)
}
Expand Down Expand Up @@ -746,8 +753,7 @@ func (c *WeComAppChannel) sendTextMessage(ctx context.Context, accessToken, user
}
req.Header.Set("Content-Type", "application/json")

client := &http.Client{Timeout: time.Duration(timeout) * time.Second}
resp, err := client.Do(req)
resp, err := c.client.Do(req)
if err != nil {
return channels.ClassifyNetError(err)
}
Expand Down
12 changes: 10 additions & 2 deletions pkg/channels/wecom/bot.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ import (
type WeComBotChannel struct {
*channels.BaseChannel
config config.WeComConfig
client *http.Client
ctx context.Context
cancel context.CancelFunc
processedMsgs map[string]bool // Message deduplication: msg_id -> processed
Expand Down Expand Up @@ -93,10 +94,18 @@ func NewWeComBotChannel(cfg config.WeComConfig, messageBus *bus.MessageBus) (*We
channels.WithReasoningChannelID(cfg.ReasoningChannelID),
)

// Client timeout must be >= the configured ReplyTimeout so the
// per-request context deadline is always the effective limit.
clientTimeout := 30 * time.Second
if d := time.Duration(cfg.ReplyTimeout) * time.Second; d > clientTimeout {
clientTimeout = d
}

ctx, cancel := context.WithCancel(context.Background())
return &WeComBotChannel{
BaseChannel: base,
config: cfg,
client: &http.Client{Timeout: clientTimeout},
ctx: ctx,
cancel: cancel,
processedMsgs: make(map[string]bool),
Expand Down Expand Up @@ -450,8 +459,7 @@ func (c *WeComBotChannel) sendWebhookReply(ctx context.Context, userID, content
}
req.Header.Set("Content-Type", "application/json")

client := &http.Client{Timeout: time.Duration(timeout) * time.Second}
resp, err := client.Do(req)
resp, err := c.client.Do(req)
if err != nil {
return channels.ClassifyNetError(err)
}
Expand Down
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