Newer
Older
)
var (
ErrClientQuit = errors.New("client is closed")
ErrNoResult = errors.New("no result in JSON-RPC response")
ErrSubscriptionQueueOverflow = errors.New("subscription queue overflow")
errClientReconnected = errors.New("client reconnected")
errDead = errors.New("connection lost")
)
func (c *Client) Mount(h codec.Middleware) {
c.mu.Lock()
defer c.mu.Unlock()
c.m = append(c.m, h)
c.handler = c.m.HandlerFunc(func(w codec.ResponseWriter, r *codec.Request) {
// do nothing on no handler
})
}
func DialHTTP(target string) (*Client, error) {
return Dial(nil, http.DefaultClient, target)
func Dial(ctx context.Context, client *http.Client, target string) (*Client, error) {
return &Client{remote: target, c: client, headers: http.Header{}}, nil
}
func (c *Client) SetHeader(key string, value string) {
func (c *Client) Do(ctx context.Context, result any, method string, params any) error {
req, err := codec.NewRequest(ctx, codec.NewId(c.id.Add(1)), method, params)
if err != nil {
return err
}
if resp.StatusCode != 200 {
b, _ := io.ReadAll(resp.Body)
return &codec.HTTPError{
StatusCode: resp.StatusCode,
Status: resp.Status,
Body: b,
}
}
func (c *Client) Notify(ctx context.Context, method string, params any) error {
func (c *Client) BatchCall(ctx context.Context, b ...*codec.BatchElem) error {
reqs := make([]*codec.Request, len(b))
ids := make(map[int]int, len(b))
for idx, v := range b {
rid = codec.NewNumberIDPtr(int64(id))
}
req, err := codec.NewRequest(ctx, rid, v.Method, v.Params)
if err != nil {
return err
for i := 0; i < len(ids); i++ {
msg := clientutil.GetMessage()
defer clientutil.PutMessage(msg)
msgs = append(msgs, msg)
}
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func (c *Client) Closed() <-chan struct{} {
return make(chan struct{})
}
func (c *Client) post(req *codec.Request) (*http.Response, error) {
// TODO: use buffer for this
buf := bufpool.GetStd()
defer bufpool.PutStd(buf)
buf.Reset()
err := json.NewEncoder(buf).Encode(req)
if err != nil {
return nil, err
}
return c.postBuf(req.Context(), buf)
}
func (c *Client) postBuf(ctx context.Context, rd io.Reader) (*http.Response, error) {
if ctx == nil {
ctx = context.Background()
}
hreq, err := http.NewRequestWithContext(ctx, http.MethodPost, c.remote, rd)
if err != nil {
return nil, err
}
func() {
c.mu.RLock()
defer c.mu.RUnlock()
for k, v := range c.headers {
for _, vv := range v {
hreq.Header.Add(k, vv)
}
}
}()
hreq.Header.Add("Content-Type", "application/json")
return c.c.Do(hreq)
}