Add --socket-recv-buffer-size option

Set the maximum socket receive buffer in bytes. Specifing 0 will
disable this option. This value will be set to socket file descriptor
using SO_RCVBUF socket option with setsockopt() call.

See GH-487 about the usecase of this option

1 files changed, 5 insertions, 0 deletions

diff --git a/src/SocketCore.h b/src/SocketCore.h
index de8e6cd2..9b346666 100644
--- a/src/SocketCore.h
+++ b/src/SocketCore.h
@@ -76,6 +76,8 @@ private:
   static std::vector<std::vector<std::pair<sockaddr_union, socklen_t> > > bindAddrsList_;
   static std::vector<std::vector<std::pair<sockaddr_union, socklen_t> > >::iterator bindAddrsListIt_;
 
+  static int socketRecvBufferSize_;
+
   bool blocking_;
   int secure_;
 
@@ -359,6 +361,9 @@ public:
     protocolFamily_ = protocolFamily;
   }
 
+  static void setSocketRecvBufferSize(int size);
+  static int getSocketRecvBufferSize();
+
   // Bind socket to interface. interface may be specified as a
   // hostname, IP address or interface name like eth0.  If the given
   // interface is not found or binding socket is failed, exception