mirror of https://github.com/tstack/lnav
[config] externalize file format detection
Tim Stack
11 months ago
parent
ff0b112728
commit
2e09202ff5
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/**
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* Copyright (c) 2023, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lnav_file_format_cfg_hh
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#define lnav_file_format_cfg_hh
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#include <map>
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#include <string>
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#include "yajlpp/yajlpp.hh"
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namespace lnav {
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namespace file_formats {
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struct header_exprs {
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std::map<std::string, std::string> he_exprs;
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};
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struct header {
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header_exprs h_exprs;
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size_t h_size{32};
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};
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struct format_def {
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std::string fd_title;
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header fd_header;
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positioned_property<std::string> fd_converter;
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};
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struct config {
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std::map<std::string, format_def> c_defs;
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};
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} // namespace file_formats
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} // namespace lnav
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#endif
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#!/bin/bash
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# Check that tshark is installed and return a nice message.
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if ! command -v tshark; then
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echo "pcap support requires 'tshark' v3+ to be installed" > /dev/stderr
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exit 1
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fi
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# Use tshark to convert the pcap file into a JSON-lines log file
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exec tshark -T ek -P -V -t ad -r $2
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{
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"$schema": "https://lnav.org/schemas/config-v1.schema.json",
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"tuning": {
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"file-format": {
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"application/vnd.example.com": {
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"title": "example",
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"header": {
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"expr": {
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"default": ":header REGEXP 'foobar"
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},
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"size": 8
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}
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},
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"application/vnd.example2.com": {
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"title": "example"
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}
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}
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}
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}
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@ -0,0 +1,2 @@
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Row 0:
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Column encode('hi' || char(10), 'hex'): 68690a
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