http: make http2 the default, legacy backend is available with --use-http1

Fixes #1441.

Makefile

@@ -35,8 +35,8 @@ uninstall:
 test: all
 	python tools/test.py --mode=release simple message
 
-test-http2: all
-	python tools/test.py --mode=release --use-http2 simple message
+test-http1: all
+	python tools/test.py --mode=release --use-http1 simple message
 
 test-valgrind: all
 	python tools/test.py --mode=release --valgrind simple message
@@ -44,8 +44,8 @@ test-valgrind: all
 test-all: all
 	python tools/test.py --mode=debug,release
 
-test-all-http2: all
-	python tools/test.py --mode=debug,release --use-http2
+test-all-http1: all
+	python tools/test.py --mode=debug,release --use-http1
 
 test-all-valgrind: all
 	python tools/test.py --mode=debug,release --valgrind

src/node.cc

@@ -139,7 +139,7 @@ static bool use_uv = true;
 #endif
 
 // disabled by default for now
-static bool use_http2 = false;
+static bool use_http1 = false;
 
 #ifdef OPENSSL_NPN_NEGOTIATED
 static bool use_npn = true;
@@ -2040,7 +2040,7 @@ static Handle<Object> GetFeatures() {
 
   Local<Object> obj = Object::New();
   obj->Set(String::NewSymbol("uv"), Boolean::New(use_uv));
-  obj->Set(String::NewSymbol("http2"), Boolean::New(use_http2));
+  obj->Set(String::NewSymbol("http1"), Boolean::New(use_http1));
   obj->Set(String::NewSymbol("ipv6"), True()); // TODO ping libuv
   obj->Set(String::NewSymbol("tls_npn"), Boolean::New(use_npn));
   obj->Set(String::NewSymbol("tls_sni"), Boolean::New(use_sni));
@@ -2285,7 +2285,7 @@ static void PrintHelp() {
          "  --vars               print various compiled-in variables\n"
          "  --max-stack-size=val set max v8 stack size (bytes)\n"
          "  --use-uv             use the libuv backend\n"
-         "  --use-http2          use the new and improved http library\n"
+         "  --use-http1          use the legacy http library\n"
          "\n"
          "Enviromental variables:\n"
          "NODE_PATH              ':'-separated list of directories\n"
@@ -2310,8 +2310,8 @@ static void ParseArgs(int argc, char **argv) {
     } else if (!strcmp(arg, "--use-uv")) {
       use_uv = true;
       argv[i] = const_cast<char*>("");
-    } else if (!strcmp(arg, "--use-http2")) {
-      use_http2 = true;
+    } else if (!strcmp(arg, "--use-http1")) {
+      use_http1 = true;
       argv[i] = const_cast<char*>("");
     } else if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
       printf("%s\n", NODE_VERSION);

src/node.js

@@ -32,7 +32,7 @@
   function startup() {
 
     if (process.env.NODE_USE_UV == '1') process.features.uv = true;
-    if (process.env.NODE_USE_HTTP2 == '1') process.features.http2 = true;
+    if (process.env.NODE_USE_HTTP1 == '1') process.features.http1 = true;
 
     EventEmitter = NativeModule.require('events').EventEmitter;
     process.__proto__ = EventEmitter.prototype;
@@ -403,10 +403,10 @@
   function translateId(id) {
     switch (id) {
       case 'http':
-        return process.features.http2 ? 'http2' : 'http';
+        return process.features.http1 ? 'http' : 'http2';
 
       case 'https':
-        return process.features.http2 ? 'https2' : 'https';
+        return process.features.http1 ? 'https' : 'https2';
 
       case 'net':
         return process.features.uv ? 'net_uv' : 'net_legacy';

tools/test.py

@@ -1148,7 +1148,7 @@ def BuildOptions():
   result.add_option("--simulator", help="Run tests with architecture simulator",
       default='none')
   result.add_option("--special-command", default=None)
-  result.add_option("--use-http2", help="Pass --use-http2 switch to node",
+  result.add_option("--use-http1", help="Pass --use-http1 switch to node",
       default=False, action="store_true")
   result.add_option("--valgrind", help="Run tests through valgrind",
       default=False, action="store_true")
@@ -1309,9 +1309,9 @@ def Main():
   buildspace = dirname(shell)
 
   processor = GetSpecialCommandProcessor(options.special_command)
-  if options.use_http2:
+  if options.use_http1:
     def wrap(processor):
-      return lambda args: processor(args[:1] + ['--use-http2'] + args[1:])
+      return lambda args: processor(args[:1] + ['--use-http1'] + args[1:])
     processor = wrap(processor)
 
   context = Context(workspace,