Optimizing source tree

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

example/CMakeLists.txt

@@ -12,3 +12,13 @@ if(BUILD_SHARED_LIBS)
 else()
     target_link_libraries(example uhttpd_s ${LIBEV_LIBRARY})
 endif()
+
+if(HAVE_DLOPEN)
+	add_library(test_plugin MODULE  test_plugin.c)
+	set_target_properties(test_plugin PROPERTIES OUTPUT_NAME test_plugin PREFIX "")
+
+	install(
+		TARGETS test_plugin
+		LIBRARY DESTINATION lib/uhttpd
+	)
+endif()

example/example.c

@@ -121,7 +121,7 @@ int main(int argc, char **argv)
 
     srv->on_request = on_request;
 
-    srv->load_plugin(srv, "/usr/local/lib/uhttpd/test.so");
+    srv->load_plugin(srv, "/usr/local/lib/uhttpd/test_plugin.so");
 
     uh_log_info("Listen on: *:%d\n", port);
 

example/test_plugin.c

@@ -0,0 +1,39 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 Jianhui Zhao <zhaojh329@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "uhttpd.h"
+
+static void test_handler(struct uh_connection *conn)
+{
+    struct uh_str path = conn->get_path(conn);
+
+    conn->send_head(conn, 200, -1, NULL);
+    conn->chunk_printf(conn, "Path: %.*s\n", path.len, path.p);
+    conn->chunk_end(conn);
+}
+
+struct uh_plugin_handler uh_plugin_handler = {
+    .path = "/test",
+    .handler = test_handler
+};