Handle zlib on Ubuntu.

CMakeLists.txt

@@ -117,6 +117,11 @@ if(WIN32)
 
     # For including CMake generated zconf.h.
     include_directories(${PROJECT_BINARY_DIR}/third_party/src/zlib)
+else()
+	find_package(ZLIB REQUIRED)
+	if(ZLIB_FOUND)
+		include_directories(${ZLIB_INCLUDE_DIRS})
+	endif()
 endif()
 
 # SOAP support needs pugixml to parse and create XML.

examples/CMakeLists.txt

@@ -5,6 +5,8 @@ set(EXAMPLE_COMMON_LIBS webcc ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES}
 	"${CMAKE_THREAD_LIBS_INIT}")
 if(WIN32)
 	set(EXAMPLE_COMMON_LIBS ${EXAMPLE_COMMON_LIBS} zlibstatic crypt32)
+else()
+	set(EXAMPLE_COMMON_LIBS ${EXAMPLE_COMMON_LIBS} ${ZLIB_LIBRARIES})
 endif()
 
 if(UNIX)

examples/http_client.cc

@@ -78,7 +78,7 @@ void ExampleHttps() {
 // "Connection: Close" header in the response.
 // Both Google and GitHub support persistent connection but they don't like
 // to include "Connection: Keep-Alive" header in the responses.
-// 
+//
 //   ExampleKeepAlive("http://httpbin.org/get");
 //   ExampleKeepAlive("https://www.boost.org/LICENSE_1_0.txt");
 //   ExampleKeepAlive("https://www.google.com");
@@ -117,7 +117,8 @@ int main() {
   // Note that the exception handling is mandatory.
   try {
 
-    ExampleBasic();
+    // ExampleBasic();
+    ExampleCompression();
 
   } catch (const Exception& e) {
     std::cout << "Exception: " << e.what() << std::endl;

webcc/http_parser.cc

@@ -154,7 +154,7 @@ bool HttpParser::ParseHeaderLine(const std::string& line) {
         break;
       }
     }
-    
+
     // TODO: Replace `!chunked_` with <TransferEncodingParsed>.
     if (!chunked_ && !content_length_parsed_) {
       if (boost::iequals(name, http::headers::kTransferEncoding)) {
@@ -218,7 +218,7 @@ bool HttpParser::ParseChunkedContent() {
       Finish();
       return true;
     }
-    
+
     if (chunk_size_ + 2 <= pending_data_.size()) {  // +2 for CRLF
       AppendContent(pending_data_.c_str(), chunk_size_);
 
@@ -300,7 +300,7 @@ bool HttpParser::Finish() {
   // Also see: https://stackoverflow.com/questions/5280633/gzip-compression-of-chunked-encoding-response
   std::string decompressed;
   if (!Decompress(content_, decompressed)) {
-    LOG_ERRO("Cannot decompress the HTTP content!", );
+    LOG_ERRO("Cannot decompress the HTTP content!");
     return false;
   }