make READ_SIZE configurable at compile time

Author: Cylix

CMakeLists.txt

@@ -65,13 +65,20 @@ set_target_properties(${PROJECT}
                       PROPERTIES
                       LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/target")
 
+IF (CPP_REDIS_READ_SIZE)
+set_target_properties(${PROJECT}
+                      PROPERTIES
+                      COMPILE_DEFINITIONS "CPP_REDIS_READ_SIZE=${CPP_REDIS_READ_SIZE}")
+ENDIF (CPP_REDIS_READ_SIZE)
+
 
 ###
 # install
 ###
 install (TARGETS ${PROJECT} DESTINATION lib)
 install (DIRECTORY ${CPP_REDIS_INCLUDES}/ DESTINATION include)
 
+
 ###
 # examples
 ###

README.md

@@ -21,6 +21,7 @@ cmake .. # only library
 cmake .. -DBUILD_TESTS=true # library and tests
 cmake .. -DBUILD_EXAMPLES=true # library and examples
 cmake .. -DBUILD_TESTS=true -DBUILD_EXAMPLES=true # library, tests and examples
+cmake .. -DCPP_REDIS_READ_SIZE=4096 # Change the read size used to read data from sockets (default: 4096)
 make -j
 ```
 

includes/cpp_redis/network/tcp_client.hpp

@@ -10,6 +10,10 @@
 #include "cpp_redis/network/io_service.hpp"
 #include "cpp_redis/redis_error.hpp"
 
+#ifndef CPP_REDIS_READ_SIZE
+# define CPP_REDIS_READ_SIZE 4096
+#endif /* CPP_REDIS_READ_SIZE */
+
 namespace cpp_redis {
 
 namespace network {
@@ -60,7 +64,7 @@ class tcp_client {
   std::atomic_bool m_is_connected;
 
   //! buffers
-  static const unsigned int READ_SIZE = 2048;
+  static const unsigned int READ_SIZE = CPP_REDIS_READ_SIZE;
   std::vector<char> m_read_buffer;
   std::vector<char> m_write_buffer;