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