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authorRyan Schneider <ryanleeschneider@gmail.com>2018-07-31 17:16:14 +0800
committerPéter Szilágyi <peterke@gmail.com>2018-07-31 17:16:14 +0800
commit5d7e18539e32cb4f1aafab8e977e28a7cd34da9c (patch)
treee79ed9d9659c68f7961cca6c8fa84492c49e5084 /rpc/http.go
parentc4a1d4fecf5efcf5095c667b7b311061173799b4 (diff)
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rpc: make HTTP RPC timeouts configurable, raise defaults (#17240)
* rpc: Make HTTP server timeout values configurable * rpc: Remove flags for setting HTTP Timeouts, configuring via .toml is sufficient. * rpc: Replace separate constants with a single default struct. * rpc: Update HTTP Server Read and Write Timeouts to 30s. * rpc: Remove redundant NewDefaultHTTPTimeouts function. * rpc: document HTTPTimeouts. * rpc: sanitize timeout values for library use
Diffstat (limited to 'rpc/http.go')
-rw-r--r--rpc/http.go56
1 files changed, 52 insertions, 4 deletions
diff --git a/rpc/http.go b/rpc/http.go
index 6388d6896..f3bd1f29c 100644
--- a/rpc/http.go
+++ b/rpc/http.go
@@ -31,6 +31,7 @@ import (
"sync"
"time"
+ "github.com/ethereum/go-ethereum/log"
"github.com/rs/cors"
)
@@ -66,6 +67,38 @@ func (hc *httpConn) Close() error {
return nil
}
+// HTTPTimeouts represents the configuration params for the HTTP RPC server.
+type HTTPTimeouts struct {
+ // ReadTimeout is the maximum duration for reading the entire
+ // request, including the body.
+ //
+ // Because ReadTimeout does not let Handlers make per-request
+ // decisions on each request body's acceptable deadline or
+ // upload rate, most users will prefer to use
+ // ReadHeaderTimeout. It is valid to use them both.
+ ReadTimeout time.Duration
+
+ // WriteTimeout is the maximum duration before timing out
+ // writes of the response. It is reset whenever a new
+ // request's header is read. Like ReadTimeout, it does not
+ // let Handlers make decisions on a per-request basis.
+ WriteTimeout time.Duration
+
+ // IdleTimeout is the maximum amount of time to wait for the
+ // next request when keep-alives are enabled. If IdleTimeout
+ // is zero, the value of ReadTimeout is used. If both are
+ // zero, ReadHeaderTimeout is used.
+ IdleTimeout time.Duration
+}
+
+// DefaultHTTPTimeouts represents the default timeout values used if further
+// configuration is not provided.
+var DefaultHTTPTimeouts = HTTPTimeouts{
+ ReadTimeout: 30 * time.Second,
+ WriteTimeout: 30 * time.Second,
+ IdleTimeout: 120 * time.Second,
+}
+
// DialHTTPWithClient creates a new RPC client that connects to an RPC server over HTTP
// using the provided HTTP Client.
func DialHTTPWithClient(endpoint string, client *http.Client) (*Client, error) {
@@ -161,15 +194,30 @@ func (t *httpReadWriteNopCloser) Close() error {
// NewHTTPServer creates a new HTTP RPC server around an API provider.
//
// Deprecated: Server implements http.Handler
-func NewHTTPServer(cors []string, vhosts []string, srv *Server) *http.Server {
+func NewHTTPServer(cors []string, vhosts []string, timeouts HTTPTimeouts, srv *Server) *http.Server {
// Wrap the CORS-handler within a host-handler
handler := newCorsHandler(srv, cors)
handler = newVHostHandler(vhosts, handler)
+
+ // Make sure timeout values are meaningful
+ if timeouts.ReadTimeout < time.Second {
+ log.Warn("Sanitizing invalid HTTP read timeout", "provided", timeouts.ReadTimeout, "updated", DefaultHTTPTimeouts.ReadTimeout)
+ timeouts.ReadTimeout = DefaultHTTPTimeouts.ReadTimeout
+ }
+ if timeouts.WriteTimeout < time.Second {
+ log.Warn("Sanitizing invalid HTTP write timeout", "provided", timeouts.WriteTimeout, "updated", DefaultHTTPTimeouts.WriteTimeout)
+ timeouts.WriteTimeout = DefaultHTTPTimeouts.WriteTimeout
+ }
+ if timeouts.IdleTimeout < time.Second {
+ log.Warn("Sanitizing invalid HTTP idle timeout", "provided", timeouts.IdleTimeout, "updated", DefaultHTTPTimeouts.IdleTimeout)
+ timeouts.IdleTimeout = DefaultHTTPTimeouts.IdleTimeout
+ }
+ // Bundle and start the HTTP server
return &http.Server{
Handler: handler,
- ReadTimeout: 5 * time.Second,
- WriteTimeout: 10 * time.Second,
- IdleTimeout: 120 * time.Second,
+ ReadTimeout: timeouts.ReadTimeout,
+ WriteTimeout: timeouts.WriteTimeout,
+ IdleTimeout: timeouts.IdleTimeout,
}
}