1 files changed, 103 insertions, 0 deletions
diff --git a/ui/qt/utils/frame_information.cpp b/ui/qt/utils/frame_information.cpp
new file mode 100644
index 00000000..d344bc04
--- /dev/null
+++ b/ui/qt/utils/frame_information.cpp
@@ -0,0 +1,103 @@
+/* frame_information.cpp
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/epan_dissect.h>
+#include "epan/epan.h"
+#include "epan/column.h"
+#include "epan/ftypes/ftypes.h"
+
+#include "wiretap/wtap.h"
+
+#include "cfile.h"
+#include "file.h"
+#include <ui/qt/capture_file.h>
+
+#include "frame_tvbuff.h"
+
+#include <stdint.h>
+
+#include <ui/qt/utils/frame_information.h>
+
+FrameInformation::FrameInformation(CaptureFile * capfile, frame_data * fi, QObject * parent)
+:QObject(parent),
+ fi_(fi),
+ cap_file_(capfile),
+ edt_(Q_NULLPTR)
+{
+    wtap_rec_init(&rec_);
+    ws_buffer_init(&buf_, 1514);
+    loadFrameTree();
+}
+
+void FrameInformation::loadFrameTree()
+{
+    if (! fi_ || ! cap_file_ || !cap_file_->capFile())
+        return;
+
+    if (!cf_read_record(cap_file_->capFile(), fi_, &rec_, &buf_))
+        return;
+
+    edt_ = g_new0(epan_dissect_t, 1);
+
+    /* proto tree, visible. We need a proto tree if there's custom columns */
+    epan_dissect_init(edt_, cap_file_->capFile()->epan, TRUE, TRUE);
+    col_custom_prime_edt(edt_, &(cap_file_->capFile()->cinfo));
+
+    epan_dissect_run(edt_, cap_file_->capFile()->cd_t, &rec_,
+                     frame_tvbuff_new_buffer(&cap_file_->capFile()->provider, fi_, &buf_),
+                     fi_, &(cap_file_->capFile()->cinfo));
+    epan_dissect_fill_in_columns(edt_, TRUE, TRUE);
+}
+
+FrameInformation::~FrameInformation()
+{
+    if (edt_) {
+        epan_dissect_cleanup(edt_);
+        g_free(edt_);
+    }
+    wtap_rec_cleanup(&rec_);
+    ws_buffer_free(&buf_);
+}
+
+bool FrameInformation::isValid()
+{
+    bool ret = false;
+
+    if (fi_ && cap_file_ && edt_ && edt_->tvb)
+    {
+        ret = true;
+    }
+
+    return ret;
+}
+
+frame_data * FrameInformation::frameData() const
+{
+    return fi_;
+}
+
+int FrameInformation::frameNum() const
+{
+    if (! fi_)
+        return -1;
+    return fi_->num;
+}
+
+const QByteArray FrameInformation::printableData()
+{
+    if (!fi_ || !edt_)
+        return QByteArray();
+
+
+    int length = tvb_captured_length(edt_->tvb);
+    const char *data = (const char *)tvb_get_ptr(edt_->tvb, 0, length);
+    return QByteArray(data, length);
+}