Fix #341

example/simplesvr.cc

@@ -122,7 +122,7 @@ int main(int argc, const char **argv) {
   auto base_dir = "./";
   if (argc > 2) { base_dir = argv[2]; }
 
-  if (!svr.set_base_dir(base_dir)) {
+  if (!svr.set_mount_point(base_dir, "/")) {
     cout << "The specified base directory doesn't exist...";
     return 1;
   }

httplib.h

@@ -465,7 +465,9 @@ public:
   Server &Delete(const char *pattern, Handler handler);
   Server &Options(const char *pattern, Handler handler);
 
-  bool set_base_dir(const char *dir, const char *mount_point = nullptr);
+  [[deprecated]] bool set_base_dir(const char *dir, const char *mount_point = nullptr);
+  bool set_mount_point(const char *dir, const char *mount_point);
+  bool remove_mount_point(const char *mount_point);
   void set_file_extension_and_mimetype_mapping(const char *ext,
                                                const char *mime);
   void set_file_request_handler(Handler handler);
@@ -2889,6 +2891,10 @@ inline Server &Server::Options(const char *pattern, Handler handler) {
 }
 
 inline bool Server::set_base_dir(const char *dir, const char *mount_point) {
+  return  set_mount_point(dir, mount_point);
+}
+
+inline bool Server::set_mount_point(const char *dir, const char *mount_point) {
   if (detail::is_dir(dir)) {
     std::string mnt = mount_point ? mount_point : "/";
     if (!mnt.empty() && mnt[0] == '/') {
@@ -2899,6 +2905,16 @@ inline bool Server::set_base_dir(const char *dir, const char *mount_point) {
   return false;
 }
 
+inline bool Server::remove_mount_point(const char *mount_point) {
+  for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) {
+      if (it->first == mount_point) {
+          base_dirs_.erase(it);
+          return true;
+      }
+  }
+  return false;
+}
+
 inline void Server::set_file_extension_and_mimetype_mapping(const char *ext,
                                                             const char *mime) {
   file_extension_and_mimetype_map_[ext] = mime;

test/test.cc

@@ -662,8 +662,8 @@ protected:
   }
 
   virtual void SetUp() {
-    svr_.set_base_dir("./www");
-    svr_.set_base_dir("./www2", "/mount");
+    svr_.set_mount_point("./www", "/");
+    svr_.set_mount_point("./www2", "/mount");
     svr_.set_file_extension_and_mimetype_mapping("abcde", "text/abcde");
 
     svr_.Get("/hi",
@@ -1245,7 +1245,7 @@ TEST_F(ServerTest, UserDefinedMIMETypeMapping) {
 }
 
 TEST_F(ServerTest, InvalidBaseDirMount) {
-  EXPECT_EQ(false, svr_.set_base_dir("./www3", "invalid_mount_point"));
+  EXPECT_EQ(false, svr_.set_mount_point("./www3", "invalid_mount_point"));
 }
 
 TEST_F(ServerTest, EmptyRequest) {
@@ -2069,6 +2069,50 @@ TEST(ServerStopTest, StopServerWithChunkedTransmission) {
   ASSERT_FALSE(svr.is_running());
 }
 
+TEST(MountTest, Unmount) {
+  Server svr;
+
+  auto listen_thread = std::thread([&svr]() { svr.listen("localhost", PORT); });
+  while (!svr.is_running()) {
+    std::this_thread::sleep_for(std::chrono::milliseconds(1));
+  }
+
+  // Give GET time to get a few messages.
+  std::this_thread::sleep_for(std::chrono::seconds(1));
+
+  Client cli("localhost", PORT);
+
+  svr.set_mount_point("./www2", "/mount2");
+
+  auto res = cli.Get("/");
+  ASSERT_TRUE(res != nullptr);
+  EXPECT_EQ(404, res->status);
+
+  res = cli.Get("/mount2/dir/test.html");
+  ASSERT_TRUE(res != nullptr);
+  EXPECT_EQ(200, res->status);
+
+  svr.set_mount_point("./www", "/");
+
+  res = cli.Get("/dir/");
+  ASSERT_TRUE(res != nullptr);
+  EXPECT_EQ(200, res->status);
+
+  svr.remove_mount_point("/");
+  res = cli.Get("/dir/");
+  ASSERT_TRUE(res != nullptr);
+  EXPECT_EQ(404, res->status);
+
+  svr.remove_mount_point("/mount2");
+  res = cli.Get("/mount2/dir/test.html");
+  ASSERT_TRUE(res != nullptr);
+  EXPECT_EQ(404, res->status);
+
+  svr.stop();
+  listen_thread.join();
+  ASSERT_FALSE(svr.is_running());
+}
+
 class ServerTestWithAI_PASSIVE : public ::testing::Test {
 protected:
   ServerTestWithAI_PASSIVE()