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client: make http.Client internal to the Client

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Exposing it the outside users is strange, so incapsulate it completely.

Fix DialTimeout setting along the way, handle negative timeouts as invalid.
This commit is contained in:
Roman Khimov 2020-04-29 17:19:31 +03:00
parent ec62edac68
commit 315aabde56
1 changed files with 22 additions and 40 deletions
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62
pkg/rpc/client/client.go
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@ -31,9 +31,6 @@ const (
// Client represents the middleman for executing JSON RPC calls
// to remote NEO RPC nodes.
type Client struct {
// The underlying http client. It's never a good practice to use
// the http.DefaultClient, therefore we will role our own.
cliMu *sync.Mutex
cli *http.Client
endpoint *url.URL
ctx context.Context
@ -49,11 +46,11 @@ type Client struct {
// All Values are optional. If any duration is not specified
// a default of 3 seconds will be used.
type Options struct {
Cert string
Key string
CACert string
DialTimeout time.Duration
Client *http.Client
Cert string
Key string
CACert string
DialTimeout time.Duration
RequestTimeout time.Duration
// Version is the version of the client that will be send
// along with the request body. If no version is specified
// the default version (currently 2.0) will be used.
@ -79,32 +76,34 @@ func New(ctx context.Context, endpoint string, opts Options) (*Client, error) {
return nil, err
}
if opts.DialTimeout <= 0 {
opts.DialTimeout = defaultDialTimeout
}
if opts.RequestTimeout <= 0 {
opts.RequestTimeout = defaultRequestTimeout
}
if opts.Version == "" {
opts.Version = defaultClientVersion
}
if opts.Client == nil {
opts.Client = &http.Client{
Transport: &http.Transport{
DialContext: (&net.Dialer{
Timeout: opts.DialTimeout,
}).DialContext,
},
}
httpClient := &http.Client{
Transport: &http.Transport{
DialContext: (&net.Dialer{
Timeout: opts.DialTimeout,
}).DialContext,
},
Timeout: opts.RequestTimeout,
}
// TODO(@antdm): Enable SSL.
if opts.Cert != "" && opts.Key != "" {
}
if opts.Client.Timeout == 0 {
opts.Client.Timeout = defaultRequestTimeout
}
return &Client{
ctx: ctx,
cli: opts.Client,
cliMu: new(sync.Mutex),
cli: httpClient,
balancerMu: new(sync.Mutex),
wifMu: new(sync.Mutex),
endpoint: url,
@ -154,23 +153,6 @@ func (c *Client) SetBalancer(b request.BalanceGetter) {
}
}
// Client is a getter for client field.
func (c *Client) Client() *http.Client {
c.cliMu.Lock()
defer c.cliMu.Unlock()
return c.cli
}
// SetClient is a setter for client field.
func (c *Client) SetClient(cli *http.Client) {
c.cliMu.Lock()
defer c.cliMu.Unlock()
if cli != nil {
c.cli = cli
}
}
// CalculateInputs creates input transactions for the specified amount of given
// asset belonging to specified address. This implementation uses GetUnspents
// JSON-RPC call internally, so make sure your RPC server supports that.
@ -211,7 +193,7 @@ func (c *Client) performRequest(method string, p request.RawParams, v interface{
if err != nil {
return err
}
resp, err := c.Client().Do(req)
resp, err := c.cli.Do(req)
if err != nil {
return err
}