intercept callback support

1 files changed, 4 insertions, 0 deletions

diff --git a/include/enet/enet.h b/include/enet/enet.h
index b3ad438..90fdbfd 100644
--- a/include/enet/enet.h
+++ b/include/enet/enet.h
@@ -319,6 +319,9 @@ typedef struct _ENetCompressor
 
 /** Callback that computes the checksum of the data held in buffers[0:bufferCount-1] */
 typedef enet_uint32 (ENET_CALLBACK * ENetChecksumCallback) (const ENetBuffer * buffers, size_t bufferCount);
+
+/** Callback for intercepting received raw UDP packets. Should return 1 to intercept, 0 to ignore, or -1 to propagate an error. */
+typedef int (ENET_CALLBACK * ENetInterceptCallback) (ENetHost * host, ENetEvent * event);
  
 /** An ENet host for communicating with peers.
   *
@@ -368,6 +371,7 @@ typedef struct _ENetHost
    enet_uint32          totalSentPackets;            /**< total UDP packets sent, user should reset to 0 as needed to prevent overflow */
    enet_uint32          totalReceivedData;           /**< total data received, user should reset to 0 as needed to prevent overflow */
    enet_uint32          totalReceivedPackets;        /**< total UDP packets received, user should reset to 0 as needed to prevent overflow */
+   ENetInterceptCallback intercept;                  /**< callback the user can set to intercept received raw UDP packets */
 } ENetHost;
 
 /**