Release v0.11.1

* Add support UNIX domain socket

* `set_address_family(AF_UNIX)` is required

* add unittest for UNIX domain socket

* add support UNIX domain socket with abstract address

Abstract address of AF_UNIX begins with null(0x00) which can't be
delivered via .c_str() method.

* add unittest for UNIX domain socket with abstract address

Co-authored-by: Changbin Park <changbin.park@ahnlab.com>

CMakeLists.txt

@@ -100,6 +100,7 @@ if (BUILD_SHARED_LIBS AND WIN32 AND HTTPLIB_COMPILE)
 endif()
 
 # Threads needed for <thread> on some systems, and for <pthread.h> on Linux
+set(THREADS_PREFER_PTHREAD_FLAG true)
 find_package(Threads REQUIRED)
 # Since Cmake v3.11, Crypto & SSL became optional when not specified as COMPONENTS.
 if(HTTPLIB_REQUIRE_OPENSSL)
@@ -160,7 +161,7 @@ if(HTTPLIB_COMPILE)
 		ERROR_VARIABLE _httplib_split_error
 	)
 	if(_httplib_split_error)
-		message(FATAL_ERROR "Failed when trying to split Cpp-httplib with the Python script.\n${_httplib_split_error}")
+		message(FATAL_ERROR "Failed when trying to split cpp-httplib with the Python script.\n${_httplib_split_error}")
 	endif()
 
 	# split.py puts output in "out"
@@ -187,19 +188,9 @@ endif()
 # Only useful if building in-tree, versus using it from an installation.
 add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
 
-# Might be missing some, but this list is somewhat comprehensive
+# Require C++11
 target_compile_features(${PROJECT_NAME} ${_INTERFACE_OR_PUBLIC}
 	cxx_std_11
-	cxx_nullptr
-	cxx_lambdas
-	cxx_override
-	cxx_defaulted_functions
-	cxx_attribute_deprecated
-	cxx_auto_type
-	cxx_decltype
-	cxx_deleted_functions
-	cxx_range_for
-	cxx_sizeof_member
 )
 
 target_include_directories(${PROJECT_NAME} ${_INTERFACE_OR_PUBLIC}
@@ -274,11 +265,9 @@ endif()
 # and linkage information (doesn't find deps though).
 install(TARGETS ${PROJECT_NAME}
 	EXPORT httplibTargets
-	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 )
 
-install(FILES "${_httplib_build_includedir}/httplib.h" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+install(FILES "${_httplib_build_includedir}/httplib.h" TYPE INCLUDE)
 
 install(FILES
 		"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"

README.md

@@ -7,12 +7,12 @@ A C++11 single-file header-only cross platform HTTP/HTTPS library.
 
 It's extremely easy to setup. Just include the **httplib.h** file in your code!
 
-NOTE: This is a multi-threaded 'blocking' HTTP library. If you are looking for a 'non-blocking' library, this is not the one that you want.
+NOTE: This library uses 'blocking' socket I/O. If you are looking for a library with 'non-blocking' socket I/O, this is not the one that you want.
 
 Simple examples
 ---------------
 
-#### Server
+#### Server (Multi-threaded)
 
 ```c++
 #define CPPHTTPLIB_OPENSSL_SUPPORT
@@ -212,15 +212,23 @@ svr.set_error_handler([](const auto& req, auto& res) {
 The exception handler gets called if a user routing handler throws an error.
 
 ```cpp
-svr.set_exception_handler([](const auto& req, auto& res, std::exception &e) {
-  res.status = 500;
+svr.set_exception_handler([](const auto& req, auto& res, std::exception_ptr ep) {
   auto fmt = "<h1>Error 500</h1><p>%s</p>";
   char buf[BUFSIZ];
-  snprintf(buf, sizeof(buf), fmt, e.what());
+  try {
+    std::rethrow_exception(ep);
+  } catch (std::exception &e) {
+    snprintf(buf, sizeof(buf), fmt, e.what());
+  } catch (...) { // See the following NOTE
+    snprintf(buf, sizeof(buf), fmt, "Unknown Exception");
+  }
   res.set_content(buf, "text/html");
+  res.status = 500;
 });
 ```
 
+NOTE: if you don't provide the `catch (...)` block for a rethrown exception pointer, an uncaught exception will end up causing the server crash. Be careful!
+
 ### Pre routing handler
 
 ```cpp
@@ -435,7 +443,7 @@ int main(void)
     }
   } else {
     auto err = res.error();
-    ...
+    std::cout << "HTTP error: " << httplib::to_string(err) << std::endl;
   }
 }
 ```
@@ -468,7 +476,9 @@ enum Error {
   SSLConnection,
   SSLLoadingCerts,
   SSLServerVerification,
-  UnsupportedMultipartBoundaryChars
+  UnsupportedMultipartBoundaryChars,
+  Compression,
+  ConnectionTimeout,
 };
 ```
 
@@ -799,12 +809,12 @@ Include `httplib.h` before `Windows.h` or include `Windows.h` by defining `WIN32
 
 Note: cpp-httplib officially supports only the latest Visual Studio. It might work with former versions of Visual Studio, but I can no longer verify it. Pull requests are always welcome for the older versions of Visual Studio unless they break the C++11 conformance.
 
-Note: Windows 8 or lower and Cygwin on Windows are not supported.
+Note: Windows 8 or lower, Visual Studio 2013 or lower, and Cygwin on Windows are not supported.
 
 License
 -------
 
-MIT license (© 2021 Yuji Hirose)
+MIT license (© 2022 Yuji Hirose)
 
 Special Thanks To
 -----------------

meson.build

@@ -19,7 +19,6 @@ project(
 # Check just in case downstream decides to edit the source
 # and add a project version
 version = meson.project_version()
-python3 = find_program('python3')
 if version == 'undefined'
   cxx = meson.get_compiler('cpp')
   version = cxx.get_define('CPPHTTPLIB_VERSION',
@@ -28,8 +27,6 @@ if version == 'undefined'
   assert(version != '', 'failed to get version from httplib.h')
 endif
 
-message('cpp-httplib version ' + version)
-
 deps = [dependency('threads')]
 args = []
 
@@ -64,6 +61,8 @@ endif
 cpp_httplib_dep = dependency('', required: false)
 
 if get_option('cpp-httplib_compile')
+  python3 = find_program('python3')
+
   httplib_ch = custom_target(
     'split',
     input: 'httplib.h',

meson_options.txt

@@ -5,5 +5,5 @@
 option('cpp-httplib_openssl', type: 'feature', value: 'auto', description: 'Enable OpenSSL support')
 option('cpp-httplib_zlib',    type: 'feature', value: 'auto', description: 'Enable zlib support')
 option('cpp-httplib_brotli',  type: 'feature', value: 'auto', description: 'Enable Brotli support')
-option('cpp-httplib_compile', type: 'boolean', value: false,  description: 'Split the header into a compilable header & source file')
+option('cpp-httplib_compile', type: 'boolean', value: false,  description: 'Split the header into a compilable header & source file (requires python3)')
 option('cpp-httplib_test',    type: 'boolean', value: false,  description: 'Build tests')

test/Makefile

@@ -1,5 +1,5 @@
 CXX = clang++
-CXXFLAGS = -g -std=c++11 -I. -Wall -Wextra -Wtype-limits -Wconversion # -fno-exceptions -DCPPHTTPLIB_NO_EXCEPTIONS -fsanitize=address
+CXXFLAGS = -g -std=c++11 -I. -Wall -Wextra -Wtype-limits -Wconversion -Wshadow # -fno-exceptions -DCPPHTTPLIB_NO_EXCEPTIONS -fsanitize=address
 
 PREFIX = /usr/local
 #PREFIX = $(shell brew --prefix)

test/fuzzing/corpus/issue1264

@@ -0,0 +1,19 @@
+POST /fform%u008ano栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽栽Line truncated
+DondntGnt-Encodin€z-daExpi%20-En�v2PUT@薍TkP/

+Rcn������� ,Cotent-Security-Pz-tes=T損eont.e伒-Typ鑞t-Ty@n/***ww-form-urlenc匱��?aLO%KSi@Fr荰TP/1.0
+Cofffffffffffffffffffffffntemt�
+�
+�
+�
+�
+�
+Content-Length:dent:applica;tion/x-wsw-form%`00368aogrlencod368angrlencoded
+岼J`
+o
+
+8���Content-EncodxNg:deflatePtipfo
+
+8�
␍
+9�2H2											ncod368anPOST # HTTP/1.0␍Content-Encoding:defPOST / HTTP/1.0
+Content-Encoding:PUT { HTTP/1.0
+Content-Type:Range:bytes=-␍multipart/

test/test.cc

@@ -109,11 +109,11 @@ TEST(SplitTest, ParseQueryString) {
   detail::split(s.c_str(), s.c_str() + s.size(), '&',
                 [&](const char *b, const char *e) {
                   string key, val;
-                  detail::split(b, e, '=', [&](const char *b, const char *e) {
+                  detail::split(b, e, '=', [&](const char *b2, const char *e2) {
                     if (key.empty()) {
-                      key.assign(b, e);
+                      key.assign(b2, e2);
                     } else {
-                      val.assign(b, e);
+                      val.assign(b2, e2);
                     }
                   });
                   dic.emplace(key, val);
@@ -1249,8 +1249,11 @@ TEST(ExceptionHandlerTest, ContentLength) {
   Server svr;
 
   svr.set_exception_handler([](const Request & /*req*/, Response &res,
-                               std::exception &e) {
-    EXPECT_EQ("abc", std::string(e.what()));
+                               std::exception_ptr ep) {
+    EXPECT_FALSE(ep == nullptr);
+    try {
+      std::rethrow_exception(ep);
+    } catch (std::exception &e) { EXPECT_EQ("abc", std::string(e.what())); }
     res.status = 500;
     res.set_content("abcdefghijklmnopqrstuvwxyz",
                     "text/html"); // <= Content-Length still 13 at this point
@@ -3015,8 +3018,10 @@ TEST(GzipDecompressor, ChunkedDecompression) {
     httplib::detail::gzip_compressor compressor;
     bool result = compressor.compress(
         data.data(), data.size(),
-        /*last=*/true, [&](const char *data, size_t size) {
-          compressed_data.insert(compressed_data.size(), data, size);
+        /*last=*/true,
+        [&](const char *compressed_data_chunk, size_t compressed_data_size) {
+          compressed_data.insert(compressed_data.size(), compressed_data_chunk,
+                                 compressed_data_size);
           return true;
         });
     ASSERT_TRUE(result);
@@ -3035,8 +3040,11 @@ TEST(GzipDecompressor, ChunkedDecompression) {
           std::min(compressed_data.size() - chunk_begin, chunk_size);
       bool result = decompressor.decompress(
           compressed_data.data() + chunk_begin, current_chunk_size,
-          [&](const char *data, size_t size) {
-            decompressed_data.insert(decompressed_data.size(), data, size);
+          [&](const char *decompressed_data_chunk,
+              size_t decompressed_data_chunk_size) {
+            decompressed_data.insert(decompressed_data.size(),
+                                     decompressed_data_chunk,
+                                     decompressed_data_chunk_size);
             return true;
           });
       ASSERT_TRUE(result);
@@ -4172,7 +4180,7 @@ protected:
       res.set_content("Hello World!", "text/plain");
     });
 
-    t_ = thread([&]() { ASSERT_TRUE(svr_.listen(nullptr, PORT, AI_PASSIVE)); });
+    t_ = thread([&]() { ASSERT_TRUE(svr_.listen(std::string(), PORT, AI_PASSIVE)); });
 
     while (!svr_.is_running()) {
       std::this_thread::sleep_for(std::chrono::milliseconds(1));
@@ -4742,6 +4750,77 @@ TEST(SendAPI, SimpleInterface_Online) {
   EXPECT_EQ(301, res->status);
 }
 
+TEST(ClientImplMethods, GetSocketTest) {
+  httplib::Server svr;
+  svr.Get( "/", [&](const httplib::Request& /*req*/, httplib::Response& res) {
+    res.status = 200;
+  });
+
+  auto thread = std::thread([&]() { svr.listen("127.0.0.1", 3333); });
+
+  while (!svr.is_running()) {
+    std::this_thread::sleep_for(std::chrono::milliseconds(5));
+  }
+
+  {
+    httplib::Client cli("http://127.0.0.1:3333");
+    cli.set_keep_alive(true);
+
+    // Use the behavior of cpp-httplib of opening the connection
+    // only when the first request happens. If that changes,
+    // this test would be obsolete.
+
+    EXPECT_EQ(cli.socket(), INVALID_SOCKET);
+
+    // This also implicitly tests the server. But other tests would fail much
+    // earlier than this one to be considered.
+
+    auto res = cli.Get("/");
+    ASSERT_TRUE(res);
+
+    EXPECT_EQ(200, res->status);
+    ASSERT_TRUE(cli.socket() != INVALID_SOCKET);
+  }
+
+  svr.stop();
+  thread.join();
+  ASSERT_FALSE(svr.is_running());
+}
+
+// Disabled due to out-of-memory problem on GitHub Actions
+#ifdef _WIN64
+TEST(ServerLargeContentTest, DISABLED_SendLargeContent) {
+  // allocate content size larger than 2GB in memory
+  const size_t content_size = 2LL * 1024LL * 1024LL * 1024LL + 1LL;
+  char *content = (char *)malloc(content_size);
+  ASSERT_TRUE(content);
+
+  Server svr;
+  svr.Get("/foo", [=](const httplib::Request &req, httplib::Response &resp) {
+    resp.set_content(content, content_size, "application/octet-stream");
+  });
+
+  auto listen_thread = std::thread([&svr]() { svr.listen(HOST, 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(HOST, PORT);
+  auto res = cli.Get("/foo");
+  ASSERT_TRUE(res);
+  EXPECT_EQ(200, res->status);
+  EXPECT_EQ(content_size, res->body.length());
+
+  free(content);
+  svr.stop();
+  listen_thread.join();
+  ASSERT_FALSE(svr.is_running());
+}
+#endif
+
 #ifdef CPPHTTPLIB_OPENSSL_SUPPORT
 TEST(YahooRedirectTest2, SimpleInterface_Online) {
   Client cli("http://yahoo.com");
@@ -4940,5 +5019,116 @@ TEST(MultipartFormDataTest, LargeData) {
   svr.stop();
   t.join();
 }
+
+TEST(MultipartFormDataTest, WithPreamble) {
+  Server svr;
+  svr.Post("/post", [&](const Request & /*req*/, Response &res) {
+    res.set_content("ok", "text/plain");
+  });
+
+  thread t = thread([&] { svr.listen(HOST, PORT); });
+  while (!svr.is_running()) {
+    std::this_thread::sleep_for(std::chrono::milliseconds(1));
+  }
+
+  const std::string body =
+      "This is the preamble.  It is to be ignored, though it\r\n"
+      "is a handy place for composition agents to include an\r\n"
+      "explanatory note to non-MIME conformant readers.\r\n"
+      "\r\n"
+      "\r\n"
+      "--simple boundary\r\n"
+      "Content-Disposition: form-data; name=\"field1\"\r\n"
+      "\r\n"
+      "value1\r\n"
+      "--simple boundary\r\n"
+      "Content-Disposition: form-data; name=\"field2\"; "
+      "filename=\"example.txt\"\r\n"
+      "\r\n"
+      "value2\r\n"
+      "--simple boundary--\r\n"
+      "This is the epilogue.  It is also to be ignored.\r\n";
+
+  std::string content_type =
+      R"(multipart/form-data; boundary="simple boundary")";
+
+  Client cli(HOST, PORT);
+  auto res = cli.Post("/post", body, content_type.c_str());
+
+  ASSERT_TRUE(res);
+  EXPECT_EQ(200, res->status);
+
+  svr.stop();
+  t.join();
+}
+
 #endif
 
+#ifndef _WIN32
+class UnixSocketTest : public ::testing::Test {
+protected:
+  void TearDown() override {
+    std::remove(pathname_.c_str());
+  }
+
+  void client_GET(const std::string &addr) {
+    httplib::Client cli{addr};
+    cli.set_address_family(AF_UNIX);
+    ASSERT_TRUE(cli.is_valid());
+
+    const auto &result = cli.Get(pattern_);
+    ASSERT_TRUE(result) << "error: " << result.error();
+
+    const auto &resp = result.value();
+    EXPECT_EQ(resp.status, 200);
+    EXPECT_EQ(resp.body, content_);
+  }
+
+  const std::string pathname_ {"./httplib-server.sock"};
+  const std::string pattern_ {"/hi"};
+  const std::string content_ {"Hello World!"};
+};
+
+TEST_F(UnixSocketTest, pathname) {
+  httplib::Server svr;
+  svr.Get(pattern_, [&](const httplib::Request &, httplib::Response &res) {
+    res.set_content(content_, "text/plain");
+  });
+
+  std::thread t {[&] {
+    ASSERT_TRUE(svr.set_address_family(AF_UNIX).listen(pathname_, 80)); }};
+  while (!svr.is_running()) {
+    std::this_thread::sleep_for(std::chrono::milliseconds(1));
+  }
+  ASSERT_TRUE(svr.is_running());
+
+  client_GET(pathname_);
+
+  svr.stop();
+  t.join();
+}
+
+#ifdef __linux__
+TEST_F(UnixSocketTest, abstract) {
+  constexpr char svr_path[] {"\x00httplib-server.sock"};
+  const std::string abstract_addr {svr_path, sizeof(svr_path) - 1};
+
+  httplib::Server svr;
+  svr.Get(pattern_, [&](const httplib::Request &, httplib::Response &res) {
+    res.set_content(content_, "text/plain");
+  });
+
+  std::thread t {[&] {
+    ASSERT_TRUE(svr.set_address_family(AF_UNIX).listen(abstract_addr, 80)); }};
+  while (!svr.is_running()) {
+    std::this_thread::sleep_for(std::chrono::milliseconds(1));
+  }
+  ASSERT_TRUE(svr.is_running());
+
+  client_GET(abstract_addr);
+
+  svr.stop();
+  t.join();
+}
+#endif
+#endif  // #ifndef _WIN32

test/test.vcxproj

@@ -116,6 +116,7 @@
       <AdditionalUsingDirectories>
       </AdditionalUsingDirectories>
       <SDLCheck>true</SDLCheck>
+      <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -158,6 +159,7 @@
       <AdditionalUsingDirectories>
       </AdditionalUsingDirectories>
       <SDLCheck>true</SDLCheck>
+      <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>

test/test_proxy.cc

@@ -82,7 +82,7 @@ TEST(RedirectTest, YouTubeNoSSLBasic) {
   RedirectProxyText(cli, "/", true);
 }
 
-TEST(RedirectTest, YouTubeNoSSLDigest) {
+TEST(RedirectTest, DISABLED_YouTubeNoSSLDigest) {
   Client cli("youtube.com");
   RedirectProxyText(cli, "/", false);
 }