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251 lines
8.2 KiB
C++
251 lines
8.2 KiB
C++
/**
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* Copyright (c) 2007-2012, 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 ON
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* 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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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <fstream>
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#include <iostream>
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#include "base/injector.hh"
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#include "textview_curses.hh"
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#include "data_scanner.hh"
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#include "data_parser.hh"
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#include "log_format.hh"
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#include "log_format_loader.hh"
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#include "pretty_printer.hh"
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#include "shared_buffer.hh"
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#include "elem_to_json.hh"
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#include "../src/data_parser.hh"
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#include "../src/view_curses.hh"
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using namespace std;
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const char *TMP_NAME = "scanned.tmp";
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int main(int argc, char *argv[])
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{
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int c, retval = EXIT_SUCCESS;
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bool prompt = false, is_log = false, pretty_print = false;
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{
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static auto builtin_formats =
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injector::get<std::vector<std::shared_ptr<log_format>>>();
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auto& root_formats = log_format::get_root_formats();
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log_format::get_root_formats().insert(
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root_formats.begin(), builtin_formats.begin(), builtin_formats.end());
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builtin_formats.clear();
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}
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{
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std::vector<ghc::filesystem::path> paths;
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vector<string> errors;
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load_formats(paths, errors);
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}
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while ((c = getopt(argc, argv, "pPl")) != -1) {
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switch (c) {
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case 'p':
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prompt = true;
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break;
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case 'P':
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pretty_print = true;
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break;
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case 'l':
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is_log = true;
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break;
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default:
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retval = EXIT_FAILURE;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (retval != EXIT_SUCCESS) {}
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else if (argc < 1) {
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fprintf(stderr, "error: expecting file name argument(s)\n");
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retval = EXIT_FAILURE;
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}
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else {
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for (int lpc = 0; lpc < argc; lpc++) {
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std::unique_ptr<ifstream> in_ptr;
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istream *in;
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FILE *out;
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if (strcmp(argv[lpc], "-") == 0) {
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in = &cin;
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}
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else {
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auto ifs = std::make_unique<ifstream>(argv[lpc]);
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if (!ifs->is_open()) {
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fprintf(stderr, "error: unable to open file\n");
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retval = EXIT_FAILURE;
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}
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else {
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in_ptr = std::move(ifs);
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in = in_ptr.get();
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}
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}
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if ((out = fopen(TMP_NAME, "w")) == nullptr) {
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fprintf(stderr, "error: unable to temporary file for writing\n");
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retval = EXIT_FAILURE;
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}
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else {
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shared_ptr<log_format> format;
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char *log_line;
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bool found = false;
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char cmd[2048];
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string line;
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int rc;
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getline(*in, line);
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if (strcmp(argv[lpc], "-") == 0) {
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line = " " + line;
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}
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log_line = (char *)alloca(line.length());
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strcpy(log_line, &line[13]);
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string sub_line = line.substr(13);
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struct line_range body(0, sub_line.length());
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shared_buffer share_manager;
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shared_buffer_ref sbr;
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sbr.share(share_manager, (char *)sub_line.c_str(), sub_line.size());
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auto &root_formats = log_format::get_root_formats();
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vector<std::shared_ptr<log_format>>::iterator iter;
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vector<logline> index;
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if (is_log) {
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for (iter = root_formats.begin();
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iter != root_formats.end() && !found;
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++iter) {
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line_info li = { {13}};
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logfile *lf = nullptr; // XXX
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(*iter)->clear();
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if ((*iter)->scan(*lf, index, li, sbr) == log_format::SCAN_MATCH) {
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format = (*iter)->specialized();
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found = true;
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}
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}
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if (!found) {
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fprintf(stderr, "error: log sample does not match\n");
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return EXIT_FAILURE;
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}
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}
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vector<logline_value> ll_values;
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string_attrs_t sa;
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if (format.get() != nullptr) {
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format->annotate(0, sbr, sa, ll_values);
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body = find_string_attr_range(sa, &SA_BODY);
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}
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data_parser::TRACE_FILE = fopen("scanned.dpt", "w");
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data_scanner ds(sub_line, body.lr_start, sub_line.length());
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data_parser dp(&ds);
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string msg_format;
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dp.dp_msg_format = &msg_format;
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dp.parse();
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dp.print(out, dp.dp_pairs);
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fprintf(out, "msg :%s\n", sub_line.c_str() + body.lr_start);
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fprintf(out, "format :%s\n", msg_format.c_str());
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if (pretty_print) {
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data_scanner ds2(sub_line, body.lr_start, sub_line.length());
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pretty_printer pp(&ds2, sa);
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attr_line_t pretty_out;
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pp.append_to(pretty_out);
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fprintf(out, "\n--\n%s", pretty_out.get_string().c_str());
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}
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auto_mem<yajl_gen_t> gen(yajl_gen_free);
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gen = yajl_gen_alloc(nullptr);
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yajl_gen_config(gen.in(), yajl_gen_beautify, true);
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elements_to_json(gen, dp, &dp.dp_pairs);
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const unsigned char *buf;
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size_t len;
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yajl_gen_get_buf(gen, &buf, &len);
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fwrite(buf, 1, len, out);
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fclose(out);
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sprintf(cmd, "diff -u %s %s", argv[lpc], TMP_NAME);
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rc = system(cmd);
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if (rc != 0) {
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if (prompt) {
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char resp[4];
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printf("\nOriginal line:\n%s\n", sub_line.c_str() + body.lr_start);
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printf("Would you like to update the original file? (y/N) ");
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fflush(stdout);
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log_perror(scanf("%3s", resp));
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if (strcasecmp(resp, "y") == 0) {
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rename(TMP_NAME, argv[lpc]);
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}
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else{
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retval = EXIT_FAILURE;
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}
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}
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else {
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fprintf(stderr, "error: mismatch\n");
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retval = EXIT_FAILURE;
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}
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}
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fclose(data_parser::TRACE_FILE);
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data_parser::TRACE_FILE = nullptr;
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}
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}
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}
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return retval;
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}
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