The basic framework is implemented

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

example/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_executable(helloworld helloworld.c)
+target_link_libraries(helloworld uhttp)

example/helloworld.c

@@ -0,0 +1,64 @@
+#include <ev.h>
+#include <stdio.h>
+#include "uhttp.h"
+
+static void signal_cb(struct ev_loop *loop, ev_signal *w, int revents)
+{
+	printf("Got signal: %d\n", w->signum);
+	ev_break(loop, EVBREAK_ALL);
+}
+
+void route_test(struct uh_connection *con)
+{
+	struct uh_value *url = uh_get_url(con);
+	struct uh_value *header_host = uh_get_header(con, "Host");
+	struct uh_value *header_ua = uh_get_header(con, "User-Agent");
+		
+	uh_send_head(con, 200, -1, NULL);
+	uh_printf_chunk(con, "<h1>Hello World</h1>");
+	uh_printf_chunk(con, "<h1>Libuhttp v%s</h1>", uh_version());
+	uh_printf_chunk(con, "<h1>Url: %.*s</h1>", (int)url->len, url->at);
+
+	if (header_host)
+		uh_printf_chunk(con, "<h1>Host: %.*s</h1>", (int)header_host->len, header_host->at);
+
+	if (header_ua)
+		uh_printf_chunk(con, "<h1>User-Agent: %.*s</h1>", (int)header_ua->len, header_ua->at);
+	
+	uh_send_chunk(con, NULL, 0);
+}
+
+int main(int argc, char **argv)
+{
+	struct ev_loop *loop = EV_DEFAULT;
+	ev_signal *sig_watcher = NULL;
+	struct uh_server *srv;
+
+	uh_log_info("libuhttp version: %s\n", uh_version());
+
+	sig_watcher = calloc(1, sizeof(ev_signal));
+	if (!sig_watcher)
+		return -1;
+	
+	ev_signal_init(sig_watcher, signal_cb, SIGINT);
+	ev_signal_start(loop, sig_watcher);
+
+	srv = uh_server_new(loop, "0.0.0.0", 8000);
+	if (!srv) {
+		uh_log_err("uh_server_new failed\n");
+		return -1;
+	}
+
+	uh_register_route(srv, "/test", route_test);
+	
+	uh_log_info("Listen on 8000...\n");
+	
+	ev_run(loop, 0);
+
+	free(sig_watcher);
+	uh_server_free(srv);
+	
+	return 0;
+}
+
+