+++ /dev/null
-/*
- * babeltrace-log.c
- *
- * BabelTrace - Convert Text Log to CTF
- *
- * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
- *
- * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * Depends on glibc 2.10 for getline().
- */
-
-#define _GNU_SOURCE
-#include <config.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <dirent.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-
-#include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/ctf/types.h>
-#include <babeltrace/uuid.h>
-#include <babeltrace/endian.h>
-
-#define USEC_PER_SEC 1000000UL
-
-int babeltrace_debug, babeltrace_verbose;
-
-static char *s_outputname;
-static int s_timestamp;
-static int s_help;
-static unsigned char s_uuid[BABELTRACE_UUID_LEN];
-
-/* Metadata format string */
-static const char metadata_fmt[] =
-"/* CTF 1.8 */\n"
-"typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n"
-"typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n"
-"\n"
-"trace {\n"
-" major = %u;\n" /* major (e.g. 0) */
-" minor = %u;\n" /* minor (e.g. 1) */
-" uuid = \"%s\";\n" /* UUID */
-" byte_order = %s;\n" /* be or le */
-" packet.header := struct {\n"
-" uint32_t magic;\n"
-" uint8_t uuid[16];\n"
-" };\n"
-"};\n"
-"\n"
-"stream {\n"
-" packet.context := struct {\n"
-" uint32_t content_size;\n"
-" uint32_t packet_size;\n"
-" };\n"
-"%s" /* Stream event header (opt.) */
-"};\n"
-"\n"
-"event {\n"
-" name = string;\n"
-" fields := struct { string str; };\n"
-"};\n";
-
-static const char metadata_stream_event_header_timestamp[] =
-" typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
-" event.header := struct {\n"
-" uint64_t timestamp;\n"
-" };\n";
-
-static
-void print_metadata(FILE *fp)
-{
- char uuid_str[BABELTRACE_UUID_STR_LEN];
- unsigned int major = 0, minor = 0;
- int ret;
-
- ret = sscanf(VERSION, "%u.%u", &major, &minor);
- if (ret != 2)
- fprintf(stderr, "[warning] Incorrect babeltrace version format\n.");
- babeltrace_uuid_unparse(s_uuid, uuid_str);
- fprintf(fp, metadata_fmt,
- major,
- minor,
- uuid_str,
- BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be",
- s_timestamp ? metadata_stream_event_header_timestamp : "");
-}
-
-static
-void write_packet_header(struct ctf_stream_pos *pos, unsigned char *uuid)
-{
- struct ctf_stream_pos dummy;
-
- /* magic */
- ctf_dummy_pos(pos, &dummy);
- ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
- ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
- assert(!ctf_pos_packet(&dummy));
-
- ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT);
- *(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
- ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT);
-
- /* uuid */
- ctf_dummy_pos(pos, &dummy);
- ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
- ctf_move_pos(&dummy, 16 * CHAR_BIT);
- assert(!ctf_pos_packet(&dummy));
-
- ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
- memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
- ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT);
-}
-
-static
-void write_packet_context(struct ctf_stream_pos *pos)
-{
- struct ctf_stream_pos dummy;
-
- /* content_size */
- ctf_dummy_pos(pos, &dummy);
- ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
- ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
- assert(!ctf_pos_packet(&dummy));
-
- ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT);
- *(uint32_t *) ctf_get_pos_addr(pos) = -1U; /* Not known yet */
- pos->content_size_loc = (uint32_t *) ctf_get_pos_addr(pos);
- ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT);
-
- /* packet_size */
- ctf_dummy_pos(pos, &dummy);
- ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
- ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
- assert(!ctf_pos_packet(&dummy));
-
- ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT);
- *(uint32_t *) ctf_get_pos_addr(pos) = pos->packet_size;
- ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT);
-}
-
-static
-void write_event_header(struct ctf_stream_pos *pos, char *line,
- char **tline, size_t len, size_t *tlen,
- uint64_t *ts)
-{
- unsigned long sec, usec;
- int ret;
-
- if (!s_timestamp)
- return;
-
- /* Only need to be executed on first pass (dummy) */
- if (pos->dummy) {
- /* Extract time from input line */
- ret = sscanf(line, "[%lu.%lu] ", &sec, &usec);
- if (ret == 2) {
- *tline = strchr(line, ']');
- assert(*tline);
- (*tline)++;
- if ((*tline)[0] == ' ') {
- (*tline)++;
- }
- *tlen = len + line - *tline;
- *ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec;
- }
- }
- /* timestamp */
- ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
- if (!pos->dummy)
- *(uint64_t *) ctf_get_pos_addr(pos) = *ts;
- ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
-}
-
-static
-void trace_string(char *line, struct ctf_stream_pos *pos, size_t len)
-{
- struct ctf_stream_pos dummy;
- int attempt = 0;
- char *tline = line; /* tline is start of text, after timestamp */
- size_t tlen = len;
- uint64_t ts = 0;
-
- printf_debug("read: %s\n", line);
-retry:
- ctf_dummy_pos(pos, &dummy);
- write_event_header(&dummy, line, &tline, len, &tlen, &ts);
- ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
- ctf_move_pos(&dummy, tlen * CHAR_BIT);
- if (ctf_pos_packet(&dummy)) {
- ctf_pos_pad_packet(pos);
- write_packet_header(pos, s_uuid);
- write_packet_context(pos);
- if (attempt++ == 1) {
- fprintf(stderr, "[Error] Line too large for packet size (%zukB) (discarded)\n",
- pos->packet_size / CHAR_BIT / 1024);
- return;
- }
- goto retry;
- }
-
- write_event_header(pos, line, &tline, len, &tlen, &ts);
- ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
- memcpy(ctf_get_pos_addr(pos), tline, tlen);
- ctf_move_pos(pos, tlen * CHAR_BIT);
-}
-
-static
-void trace_text(FILE *input, int output)
-{
- struct ctf_stream_pos pos;
- ssize_t len;
- char *line = NULL, *nl;
- size_t linesize;
-
- memset(&pos, 0, sizeof(pos));
- ctf_init_pos(&pos, output, O_RDWR);
-
- write_packet_header(&pos, s_uuid);
- write_packet_context(&pos);
- for (;;) {
- len = getline(&line, &linesize, input);
- if (len < 0)
- break;
- nl = strrchr(line, '\n');
- if (nl) {
- *nl = '\0';
- trace_string(line, &pos, nl - line + 1);
- } else {
- trace_string(line, &pos, strlen(line) + 1);
- }
- }
- ctf_fini_pos(&pos);
-}
-
-static
-void usage(FILE *fp)
-{
- fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
- fprintf(fp, "\n");
- fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
- fprintf(fp, "\n");
- fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
- fprintf(fp, "\n");
- fprintf(fp, " OUTPUT Output trace path\n");
- fprintf(fp, "\n");
- fprintf(fp, " -t With timestamps (format: [sec.usec] string\\n)\n");
- fprintf(fp, "\n");
-}
-
-static
-int parse_args(int argc, char **argv)
-{
- int i;
-
- for (i = 1; i < argc; i++) {
- if (!strcmp(argv[i], "-t"))
- s_timestamp = 1;
- else if (!strcmp(argv[i], "-h")) {
- s_help = 1;
- return 0;
- } else if (argv[i][0] == '-')
- return -EINVAL;
- else
- s_outputname = argv[i];
- }
- if (!s_outputname)
- return -EINVAL;
- return 0;
-}
-
-int main(int argc, char **argv)
-{
- int fd, metadata_fd, ret;
- DIR *dir;
- int dir_fd;
- FILE *metadata_fp;
-
- ret = parse_args(argc, argv);
- if (ret) {
- fprintf(stderr, "Error: invalid argument.\n");
- usage(stderr);
- goto error;
- }
-
- if (s_help) {
- usage(stdout);
- exit(EXIT_SUCCESS);
- }
-
- ret = mkdir(s_outputname, S_IRWXU|S_IRWXG);
- if (ret) {
- perror("mkdir");
- goto error;
- }
-
- dir = opendir(s_outputname);
- if (!dir) {
- perror("opendir");
- goto error_rmdir;
- }
- dir_fd = dirfd(dir);
- if (dir_fd < 0) {
- perror("dirfd");
- goto error_closedir;
- }
-
- fd = openat(dir_fd, "datastream", O_RDWR|O_CREAT,
- S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
- if (fd < 0) {
- perror("openat");
- goto error_closedirfd;
- }
-
- metadata_fd = openat(dir_fd, "metadata", O_RDWR|O_CREAT,
- S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
- if (fd < 0) {
- perror("openat");
- goto error_closedatastream;
- }
- metadata_fp = fdopen(metadata_fd, "w");
- if (!metadata_fp) {
- perror("fdopen");
- goto error_closemetadatafd;
- }
-
- babeltrace_uuid_generate(s_uuid);
- print_metadata(metadata_fp);
- trace_text(stdin, fd);
-
- close(fd);
- exit(EXIT_SUCCESS);
-
- /* error handling */
-error_closemetadatafd:
- ret = close(metadata_fd);
- if (ret)
- perror("close");
-error_closedatastream:
- ret = close(fd);
- if (ret)
- perror("close");
-error_closedirfd:
- ret = close(dir_fd);
- if (ret)
- perror("close");
-error_closedir:
- ret = closedir(dir);
- if (ret)
- perror("closedir");
-error_rmdir:
- ret = rmdir(s_outputname);
- if (ret)
- perror("rmdir");
-error:
- exit(EXIT_FAILURE);
-}
projects / babeltrace.git / blobdiff