Add benchmark for net/http

.gitignore

@@ -15,3 +15,4 @@ node_modules
 # temp benchmark data
 /website/data.json
 /website/recent.json
+/js/gen

.gitmodules

@@ -5,3 +5,6 @@
 	path = build
 	url = https://github.com/denoland/chromium_build.git
 	branch = deno
+[submodule "js/deps/https/deno.land/x/net"]
+	path = js/deps/https/deno.land/x/net
+	url = https://github.com/denoland/deno_net.git

tools/http_benchmark.py

@@ -16,6 +16,20 @@ def deno_http_benchmark(deno_exe):
     return run(deno_cmd)
 
 
+def deno_net_http_benchmark(deno_exe):
+    deno_cmd = [
+        deno_exe, "--allow-net", "js/deps/https/deno.land/x/net/http_bench.ts",
+        ADDR
+    ]
+    print "http_benchmark testing DENO using net/http."
+    return run(
+        deno_cmd,
+        merge_env={
+            # Load from //js/deps/https/deno.land/net/ submodule.
+            "DENO_DIR": os.path.join(util.root_path, "js")
+        })
+
+
 def node_http_benchmark():
     node_cmd = ["node", "tools/node_http.js", ADDR.split(":")[1]]
     print "http_benchmark testing NODE."
@@ -38,15 +52,23 @@ def http_benchmark(deno_exe, hyper_hello_exe):
     r = {}
     # TODO Rename to "deno_tcp"
     r["deno"] = deno_http_benchmark(deno_exe)
+    r["deno_net_http"] = deno_net_http_benchmark(deno_exe)
     r["node"] = node_http_benchmark()
     r["node_tcp"] = node_tcp_benchmark()
     r["hyper"] = hyper_http_benchmark(hyper_hello_exe)
     return r
 
 
-def run(server_cmd):
+def run(server_cmd, merge_env=None):
     # Run deno echo server in the background.
-    server = subprocess.Popen(server_cmd)
+    if merge_env is None:
+        env = None
+    else:
+        env = os.environ.copy()
+        for key, value in merge_env.iteritems():
+            env[key] = value
+
+    server = subprocess.Popen(server_cmd, env=env)
     time.sleep(5)  # wait for server to wake up. TODO racy.
     try:
         cmd = "third_party/wrk/%s/wrk -d %s http://%s/" % (util.platform(),
@@ -64,4 +86,4 @@ def run(server_cmd):
     if len(sys.argv) < 2:
         print "Usage ./tools/http_benchmark.py target/debug/deno"
         sys.exit(1)
-    deno_http_benchmark(sys.argv[1])
+    deno_net_http_benchmark(sys.argv[1])