Bug fixed in HTTP codec when Content-Length is no present

ccsrc/Protocols/Http/http_codec.cc

@@ -113,6 +113,8 @@ int http_codec::decode(const OCTETSTRING &data, LibHttp__TypesAndValues::HttpMes
       LibHttp__TypesAndValues::Headers headers;
       std::string                      content_type;
       decode_headers(decoding_buffer, headers, content_type);
+      loggers::get_instance().log("http_codec::decode: _dc.length=%d", _dc.length);
+      loggers::get_instance().log("http_codec::decode: decoding_buffer.get_len()=%d", decoding_buffer.get_len());
       if (_dc.length > decoding_buffer.get_len()) { // HTTP response is fragmented
         // Need to bufferize the first packet and wait for the other fragments tp be received
         loggers::get_instance().warning("http_codec::decode: Need to bufferize the first packet and wait for the other fragments tp be received");
@@ -417,8 +419,12 @@ int http_codec::decode_headers(TTCN_Buffer &decoding_buffer, LibHttp__TypesAndVa
       } break;
       case 1:
         if (headers.is_bound()) {
-            loggers::get_instance().log_msg("<<< http_codec::decode_headers: ", headers);
-            return 0;
+          if (_dc.length == -1) { // content-Length header not found, force length to 0, assuming no body is present
+            loggers::get_instance().log("http_codec::decode_headers: Force _dc.length to 0");
+            _dc.length = 0;
+          }
+          loggers::get_instance().log_msg("<<< http_codec::decode_headers: ", headers);
+          return 0;
         } else {
           loggers::get_instance().warning("http_codec::decode_headers: Failed to decode headers");
           return -1;
@@ -431,7 +437,7 @@ int http_codec::decode_headers(TTCN_Buffer &decoding_buffer, LibHttp__TypesAndVa
 }
 
 int http_codec::decode_header(CHARSTRING &header_line, LibHttp__TypesAndValues::Header &header) {
-  loggers::get_instance().log_msg(">>> http_codec::decode_header", header_line);
+  loggers::get_instance().log_msg(">>> http_codec::decode_header: ", header_line);
 
   try {
     std::string          str(static_cast<const char *>(header_line));