minimal-http-server-libuv

minimal-examples/server/README.md

@@ -1,6 +1,7 @@
 |Example|Demonstrates|
 ---|---
 minimal-http-server|Serves a directory over http/1 or http/2, custom 404 handler
+minimal-http-server-libuv|Same as minimal-http-server but libuv event loop
 minimal-http-server-smp|Multiple service threads
 minimal-ws-server|Serves an index.html over http that opens a ws shared chat client in a browser
 minimal-ws-server-pmd|Simple ws server with permessage-deflate support

minimal-examples/server/minimal-http-server-libuv/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 2.8)
+include(CheckSymbolExists)
+
+set(SAMP lws-minimal-http-server-libuv)
+set(SRCS minimal-http-server.c)
+
+if (UNIX)
+      set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wignored-qualifiers -Wtype-limits -Wuninitialized -Werror -Wundef ${CMAKE_C_FLAGS}" )
+endif()
+
+CHECK_SYMBOL_EXISTS(LWS_WITH_LIBUV libwebsockets.h HAS_LIBUV)
+if (HAS_LIBUV)
+else()
+	message(FATAL_ERROR "lws must have been built with LWS_WITH_LIBUV")
+endif()
+
+add_executable(${SAMP} ${SRCS})
+target_link_libraries(${SAMP} -lwebsockets)
+

minimal-examples/server/minimal-http-server-libuv/README.md

@@ -0,0 +1,18 @@
+# lws minimal http server libuv
+
+## build
+
+```
+ $ cmake . && make
+```
+
+## usage
+
+```
+ $ ./lws-minimal-http-server-libuv
+[2018/03/04 09:30:02:7986] USER: LWS minimal http server-libuv | visit http://localhost:7681
+[2018/03/04 09:30:02:7986] NOTICE: Creating Vhost 'default' port 7681, 1 protocols, IPv6 on
+```
+
+Visit http://localhost:7681
+

minimal-examples/server/minimal-http-server-libuv/minimal-http-server.c

@@ -0,0 +1,94 @@
+/*
+ * lws-minimal-http-server-libuv
+ *
+ * Copyright (C) 2018 Andy Green <andy@warmcat.com>
+ *
+ * This file is made available under the Creative Commons CC0 1.0
+ * Universal Public Domain Dedication.
+ *
+ * This demonstrates the most minimal http server you can make with lws.
+ *
+ * To keep it simple, it serves stuff from the subdirectory 
+ * "./mount-origin" of the directory it was started in.
+ * You can change that by changing mount.origin below.
+ */
+
+#include <libwebsockets.h>
+#include <string.h>
+#include <signal.h>
+
+static struct lws_context *context;
+
+static const struct lws_http_mount mount = {
+	/* .mount_next */		NULL,		/* linked-list "next" */
+	/* .mountpoint */		"/",		/* mountpoint URL */
+	/* .origin */			"./mount-origin", /* serve from dir */
+	/* .def */			"index.html",	/* default filename */
+	/* .protocol */			NULL,
+	/* .cgienv */			NULL,
+	/* .extra_mimetypes */		NULL,
+	/* .interpret */		NULL,
+	/* .cgi_timeout */		0,
+	/* .cache_max_age */		0,
+	/* .auth_mask */		0,
+	/* .cache_reusable */		0,
+	/* .cache_revalidate */		0,
+	/* .cache_intermediaries */	0,
+	/* .origin_protocol */		LWSMPRO_FILE,	/* files in a dir */
+	/* .mountpoint_len */		1,		/* char count */
+	/* .basic_auth_login_file */	NULL,
+};
+
+void signal_cb(uv_signal_t *watcher, int signum)
+{
+	lwsl_notice("Signal %d caught, exiting...\n", watcher->signum);
+
+	switch (watcher->signum) {
+	case SIGTERM:
+	case SIGINT:
+		break;
+	default:
+		signal(SIGABRT, SIG_DFL);
+		abort();
+		break;
+	}
+	lws_libuv_stop(context);
+}
+
+int main(int argc, char **argv)
+{
+	struct lws_context_creation_info info;
+
+	memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
+	info.port = 7681;
+	info.mounts = &mount;
+	info.error_document_404 = "/404.html";
+	info.options = LWS_SERVER_OPTION_LIBUV;
+
+	lws_set_log_level(LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_USER
+			/* | LLL_INFO */ /* | LLL_DEBUG */, NULL);
+
+	lwsl_user("LWS minimal http server libuv | visit http://localhost:7681\n");
+
+	context = lws_create_context(&info);
+	if (!context) {
+		lwsl_err("lws init failed\n");
+		return 1;
+	}
+
+	lws_uv_sigint_cfg(context, 1, signal_cb);
+
+	if (lws_uv_initloop(context, NULL, 0)) {
+		lwsl_err("lws_uv_initloop failed\n");
+
+		goto bail;
+	}
+
+	lws_libuv_run(context, 0);
+
+bail:
+	lws_context_destroy(context);
+	lws_context_destroy2(context);
+
+	return 0;
+}

minimal-examples/server/minimal-http-server-libuv/mount-origin/404.html

@@ -0,0 +1,9 @@
+<meta charset="UTF-8"> 
+<html>
+	<body>
+		<img src="libwebsockets.org-logo.png"><br>
+		<h1>404</h1>
+		Sorry, that file doesn't exist.
+	</body>
+</html>
+

minimal-examples/server/minimal-http-server-libuv/mount-origin/index.html

@@ -0,0 +1,12 @@
+ <meta charset="UTF-8"> 
+<html>
+	<body>
+		<img src="libwebsockets.org-logo.png"><br>
+
+		Hello from the <b>minimal http server libuv example</b>.
+		<br>
+		You can confirm the 404 page handler by going to this
+		nonexistant <a href="notextant.html">page</a>.
+	</body>
+</html>
+