ipv6 support

examples/book_server/main.cc

@@ -34,7 +34,7 @@ int main(int argc, char* argv[]) {
   std::cout << "Book photos will be saved to: " << photo_dir << std::endl;
 
   try {
-    webcc::Server server{ port };  // No doc root
+    webcc::Server server{ asio::ip::tcp::v4(), port };
 
     server.Route("/books",
                  std::make_shared<BookListView>(),

examples/form_server.cc

@@ -45,7 +45,7 @@ int main(int argc, char* argv[]) {
   std::uint16_t port = static_cast<std::uint16_t>(std::atoi(argv[1]));
 
   try {
-    webcc::Server server(port);
+    webcc::Server server{ asio::ip::tcp::v4(), port };
 
     server.Route("/upload", std::make_shared<FileUploadView>(), { "POST" });
 

examples/hello_world_server.cc

@@ -40,7 +40,7 @@ int main(int argc, const char* argv[]) {
   LOG_USER("Sleep seconds: %d", sleep_seconds);
 
   try {
-    webcc::Server server{ 8080 };
+    webcc::Server server{ asio::ip::tcp::v4(), 8080 };
 
     auto view = std::make_shared<HelloView>(sleep_seconds);
     server.Route("/", view);

examples/server_states.cc

@@ -17,7 +17,7 @@ int main() {
   WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
 
   try {
-    webcc::Server server{ 8080 };
+    webcc::Server server{ asio::ip::tcp::v4(), 8080 };
 
     server.Route("/", std::make_shared<HelloView>());
 

examples/static_file_server.cc

@@ -23,7 +23,7 @@ int main(int argc, char* argv[]) {
   std::string doc_root = argv[2];
 
   try {
-    webcc::Server server{ port, doc_root };
+    webcc::Server server{ asio::ip::tcp::v4(), port, doc_root };
 
     if (argc == 4) {
       server.set_file_chunk_size(std::atoi(argv[3]));

unittest/url_unittest.cc

@@ -81,3 +81,14 @@ TEST(UrlTest, Full) {
   EXPECT_EQ("/path/to", url.path());
   EXPECT_EQ("key=value", url.query());
 }
+
+
+TEST(UrlTest, IPv6) {
+  webcc::Url url("http://[::1]:8080");
+
+  EXPECT_EQ("http", url.scheme());
+  EXPECT_EQ("[::1]", url.host());
+  EXPECT_EQ("8080", url.port());
+  EXPECT_EQ("", url.path());
+  EXPECT_EQ("", url.query());
+}

webcc/client.cc

@@ -102,7 +102,9 @@ void Client::DoConnect(RequestPtr request, const std::string& default_port) {
   LOG_VERB("Resolve host (%s)...", request->host().c_str());
 
   std::error_code ec;
-  auto endpoints = resolver.resolve(tcp::v4(), request->host(), port, ec);
+
+  // The protocol depends on the `host`, both V4 and V6 are supported.
+  auto endpoints = resolver.resolve(request->host(), port, ec);
 
   if (ec) {
     LOG_ERRO("Host resolve error (%s): %s, %s.", ec.message().c_str(),

webcc/server.cc

@@ -16,9 +16,15 @@ using tcp = asio::ip::tcp;
 
 namespace webcc {
 
-Server::Server(std::uint16_t port, const std::filesystem::path& doc_root)
+Server::Server(asio::ip::tcp protocol, std::uint16_t port,
-    : port_(port), doc_root_(doc_root), file_chunk_size_(1024), running_(false),
+               const sfs::path& doc_root)
-      acceptor_(io_context_), signals_(io_context_) {
+    : protocol_(protocol),
+      port_(port),
+      doc_root_(doc_root),
+      file_chunk_size_(1024),
+      running_(false),
+      acceptor_(io_context_),
+      signals_(io_context_) {
   AddSignals();
 }
 
@@ -112,7 +118,7 @@ void Server::AsyncWaitSignals() {
 bool Server::Listen(std::uint16_t port) {
   std::error_code ec;
 
-  tcp::endpoint endpoint(tcp::v4(), port);
+  tcp::endpoint endpoint(protocol_, port);
 
   // Open the acceptor.
   acceptor_.open(endpoint.protocol(), ec);
@@ -296,7 +302,7 @@ bool Server::MatchViewOrStatic(const std::string& method,
 
   // Try to match a static file.
   if (method == methods::kGet && !doc_root_.empty()) {
-    std::filesystem::path path = doc_root_ / url;
+    sfs::path path = doc_root_ / url;
     if (!sfs::is_directory(path) && sfs::exists(path)) {
       return true;
     }
@@ -313,7 +319,7 @@ ResponsePtr Server::ServeStatic(RequestPtr request) {
     return {};
   }
 
-  std::filesystem::path path = doc_root_ / request->url().path();
+  sfs::path path = doc_root_ / request->url().path();
 
   try {
     // NOTE: FileBody might throw Error::kFileError.

webcc/server.h

@@ -20,7 +20,7 @@ namespace webcc {
 
 class Server : public Router {
 public:
-  explicit Server(std::uint16_t port,
+  Server(asio::ip::tcp protocol, std::uint16_t port,
          const std::filesystem::path& doc_root = {});
 
   ~Server() = default;
@@ -94,6 +94,9 @@ private:
   ResponsePtr ServeStatic(RequestPtr request);
 
 private:
+  // tcp::v4() or tcp::v6()
+  asio::ip::tcp protocol_;
+
   // Port number.
   std::uint16_t port_;
 

webcc/url.cc

@@ -274,13 +274,18 @@ void Url::Parse(const std::string& str) {
   }
 
   if (!host_.empty()) {
-    p = host_.find(':');
+    // Check if there's a port.
+    p = host_.find_last_of(':');
     if (p != std::string::npos) {
+      // For IPv6: [::1]:8080
+      std::size_t bracket = host_.find_last_of(']');
+      if (bracket == std::string::npos || p > bracket) {
         port_ = host_.substr(p + 1);
         host_ = host_.substr(0, p);
       }
     }
   }
+}
 
 void Url::Clear() {
   scheme_.clear();