Use a single wtap_rec and Buffer for an entire capture session.

That way we aren't allocating memory, reading packets from a batch, and
freeing the memory for each batch of packets delivered by dumpcap; we do
the allocation when the capture starts and the freeing when it finishes.

Change-Id: If012ab865f3a99d869535ad10827ad8680c1b10c
Reviewed-on: https://code.wireshark.org/review/32766
Petri-Dish: Guy Harris <guy@alum.mit.edu>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/capchild/capture_session.h b/capchild/capture_session.h
index 65a7d48fa0..93ddabb147 100644
--- a/capchild/capture_session.h
+++ b/capchild/capture_session.h
@@ -52,6 +52,8 @@ typedef struct _capture_session {
     guint32   count;                      /**< Total number of frames captured */
     capture_options *capture_opts;        /**< options for this capture */
     capture_file *cf;                     /**< handle to cfile */
+    wtap_rec rec;                         /**< record we're reading packet metadata into */
+    Buffer buf;                           /**< Buffer we're reading packet data into */
     struct wtap *wtap;                    /**< current wtap file */
     struct _info_data *cap_data_info;     /**< stats for this capture */
 } capture_session;