/*
* babeltrace.c
*
* Babeltrace Trace Converter
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <babeltrace/babeltrace.h>
#include <babeltrace/format.h>
#include <babeltrace/context.h>
#include <babeltrace/context-internal.h>
#include <babeltrace/ctf/types.h>
#include <babeltrace/ctf/events.h>
/* TODO: fix object model for format-agnostic callbacks */
#include <babeltrace/ctf/events-internal.h>
#include <babeltrace/ctf/iterator.h>
#include <babeltrace/ctf-text/types.h>
#include <babeltrace/debug-info.h>
#include <babeltrace/iterator.h>
#include <popt.h>
#include <errno.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <inttypes.h>
#include <ftw.h>
#include <string.h>
#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
#define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
#define DEFAULT_FILE_ARRAY_SIZE 1
#define NET_URL_PREFIX "net://"
#define NET4_URL_PREFIX "net4://"
#define NET6_URL_PREFIX "net6://"
static char *opt_input_format, *opt_output_format;
/*
* We are not freeing opt_input_paths ipath elements when exiting from
* main() for backward compatibility with libpop 0.13, which does not
* allocate copies for arguments returned by poptGetArg(), and for
* general compatibility with the documented behavior. This is known to
* cause a small memory leak with libpop 0.16.
*/
static GPtrArray *opt_input_paths;
static char *opt_output_path;
static int opt_stream_intersection;
static struct bt_format *fmt_read;
void bt_dummy_hook(void);
void bt_lttng_live_hook(void);
void bt_ctf_hook(void);
void bt_ctf_text_hook(void);
void bt_ctf_metadata_hook(void);
static
void strlower(char *str)
{
while (*str) {
*str = tolower((int) *str);
str++;
}
}
enum {
OPT_NONE = 0,
OPT_OUTPUT_PATH,
OPT_INPUT_FORMAT,
OPT_OUTPUT_FORMAT,
OPT_HELP,
OPT_LIST,
OPT_VERBOSE,
OPT_DEBUG,
OPT_NAMES,
OPT_FIELDS,
OPT_NO_DELTA,
OPT_CLOCK_OFFSET,
OPT_CLOCK_OFFSET_NS,
OPT_CLOCK_CYCLES,
OPT_CLOCK_SECONDS,
OPT_CLOCK_DATE,
OPT_CLOCK_GMT,
OPT_CLOCK_FORCE_CORRELATE,
OPT_STREAM_INTERSECTION,
OPT_DEBUG_INFO_DIR,
OPT_DEBUG_INFO_FULL_PATH,
OPT_DEBUG_INFO_TARGET_PREFIX,
};
/*
* We are _not_ using POPT_ARG_STRING ability to store directly into
* variables, because we want to cast the return to non-const, which is
* not possible without using poptGetOptArg explicitly. This helps us
* controlling memory allocation correctly without making assumptions
* about undocumented behaviors. poptGetOptArg is documented as
* requiring the returned const char * to be freed by the caller.
*/
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
{ "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL },
{ "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
{ "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
{ "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
{ "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
{ "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
{ "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
{ "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
{ "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
{ "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
{ "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
{ "clock-offset-ns", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
{ "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
{ "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
{ "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
{ "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
{ "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
{ "stream-intersection", 0, POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
#ifdef ENABLE_DEBUG_INFO
{ "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
{ "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
{ "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
#endif
{ NULL, 0, 0, NULL, 0, NULL, NULL },
};
static void list_formats(FILE *fp)
{
fprintf(fp, "\n");
bt_fprintf_format_list(fp);
}
static void usage(FILE *fp)
{
fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n");
fprintf(fp, "\n");
fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n");
fprintf(fp, " (space-separated)\n");
fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n");
fprintf(fp, "\n");
fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
fprintf(fp, "\n");
fprintf(fp, " -h, --help This help message\n");
fprintf(fp, " -l, --list List available formats\n");
fprintf(fp, " -v, --verbose Verbose mode\n");
fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
fprintf(fp, " -d, --debug Debug mode\n");
fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
fprintf(fp, " (payload OR args OR arg)\n");
fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
fprintf(fp, " (default: payload,context)\n");
fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
fprintf(fp, " all, trace, trace:hostname, trace:domain,\n");
fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n");
fprintf(fp, " --clock-cycles Timestamp in cycles\n");
fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
fprintf(fp, " --clock-offset-ns ns Clock offset in nanoseconds\n");
fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
fprintf(fp, " --clock-date Print clock date\n");
fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
fprintf(fp, " across traces.\n");
fprintf(fp, " --stream-intersection Only print events when all streams are active.\n");
#ifdef ENABLE_DEBUG_INFO
fprintf(fp, " --debug-info-dir Directory in which to look for debugging information\n");
fprintf(fp, " files. (default: /usr/lib/debug/)\n");
fprintf(fp, " --debug-info-target-prefix Directory to use as a prefix for executable lookup\n");
fprintf(fp, " --debug-info-full-path Show full debug info source and binary paths (if available)\n");
#endif
list_formats(fp);
fprintf(fp, "\n");
}
static int get_names_args(poptContext *pc)
{
char *str, *strlist, *strctx;
int ret = 0;
opt_payload_field_names = 0;
opt_context_field_names = 0;
strlist = (char *) poptGetOptArg(*pc);
if (!strlist) {
return -EINVAL;
}
str = strtok_r(strlist, ",", &strctx);
do {
if (!strcmp(str, "all"))
opt_all_field_names = 1;
else if (!strcmp(str, "scope"))
opt_scope_field_names = 1;
else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
opt_context_field_names = 1;
else if (!strcmp(str, "header"))
opt_header_field_names = 1;
else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
opt_payload_field_names = 1;
else if (!strcmp(str, "none")) {
opt_all_field_names = 0;
opt_scope_field_names = 0;
opt_context_field_names = 0;
opt_header_field_names = 0;
opt_payload_field_names = 0;
} else {
fprintf(stderr, "[error] unknown field name type %s\n", str);
ret = -EINVAL;
goto end;
}
} while ((str = strtok_r(NULL, ",", &strctx)));
end:
free(strlist);
return ret;
}
static int get_fields_args(poptContext *pc)
{
char *str, *strlist, *strctx;
int ret = 0;
strlist = (char *) poptGetOptArg(*pc);
if (!strlist) {
return -EINVAL;
}
str = strtok_r(strlist, ",", &strctx);
do {
opt_trace_default_fields = 0;
if (!strcmp(str, "all"))
opt_all_fields = 1;
else if (!strcmp(str, "trace"))
opt_trace_field = 1;
else if (!strcmp(str, "trace:hostname"))
opt_trace_hostname_field = 1;
else if (!strcmp(str, "trace:domain"))
opt_trace_domain_field = 1;
else if (!strcmp(str, "trace:procname"))
opt_trace_procname_field = 1;
else if (!strcmp(str, "trace:vpid"))
opt_trace_vpid_field = 1;
else if (!strcmp(str, "loglevel"))
opt_loglevel_field = 1;
else if (!strcmp(str, "emf"))
opt_emf_field = 1;
else if (!strcmp(str, "callsite"))
opt_callsite_field = 1;
else {
fprintf(stderr, "[error] unknown field type %s\n", str);
ret = -EINVAL;
goto end;
}
} while ((str = strtok_r(NULL, ",", &strctx)));
end:
free(strlist);
return ret;
}
/*
* Return 0 if caller should continue, < 0 if caller should return
* error, > 0 if caller should exit without reporting error.
*/
static int parse_options(int argc, char **argv)
{
poptContext pc;
int opt, ret = 0;
const char *ipath;
if (argc == 1) {
usage(stdout);
return 1; /* exit cleanly */
}
pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
poptReadDefaultConfig(pc, 0);
/* set default */
opt_context_field_names = 1;
opt_payload_field_names = 1;
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_OUTPUT_PATH:
opt_output_path = (char *) poptGetOptArg(pc);
if (!opt_output_path) {
ret = -EINVAL;
goto end;
}
break;
case OPT_INPUT_FORMAT:
opt_input_format = (char *) poptGetOptArg(pc);
if (!opt_input_format) {
ret = -EINVAL;
goto end;
}
break;
case OPT_OUTPUT_FORMAT:
opt_output_format = (char *) poptGetOptArg(pc);
if (!opt_output_format) {
ret = -EINVAL;
goto end;
}
break;
case OPT_HELP:
usage(stdout);
ret = 1; /* exit cleanly */
goto end;
case OPT_LIST:
list_formats(stdout);
ret = 1;
goto end;
case OPT_VERBOSE:
babeltrace_verbose = 1;
break;
case OPT_NAMES:
if (get_names_args(&pc)) {
ret = -EINVAL;
goto end;
}
break;
case OPT_FIELDS:
if (get_fields_args(&pc)) {
ret = -EINVAL;
goto end;
}
break;
case OPT_DEBUG:
babeltrace_debug = 1;
break;
case OPT_NO_DELTA:
opt_delta_field = 0;
break;
case OPT_CLOCK_CYCLES:
opt_clock_cycles = 1;
break;
case OPT_CLOCK_OFFSET:
{
char *str;
char *endptr;
str = (char *) poptGetOptArg(pc);
if (!str) {
fprintf(stderr, "[error] Missing --clock-offset argument\n");
ret = -EINVAL;
goto end;
}
errno = 0;
opt_clock_offset = strtoull(str, &endptr, 0);
if (*endptr != '\0' || str == endptr || errno != 0) {
fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
ret = -EINVAL;
free(str);
goto end;
}
free(str);
break;
}
case OPT_CLOCK_SECONDS:
opt_clock_seconds = 1;
break;
case OPT_CLOCK_OFFSET_NS:
{
char *str;
char *endptr;
str = (char *) poptGetOptArg(pc);
if (!str) {
fprintf(stderr, "[error] Missing --clock-offset-ns argument\n");
ret = -EINVAL;
goto end;
}
errno = 0;
opt_clock_offset_ns = strtoull(str, &endptr, 0);
if (*endptr != '\0' || str == endptr || errno != 0) {
fprintf(stderr, "[error] Incorrect --clock-offset-ns argument: %s\n", str);
ret = -EINVAL;
free(str);
goto end;
}
free(str);
break;
}
case OPT_CLOCK_DATE:
opt_clock_date = 1;
break;
case OPT_CLOCK_GMT:
opt_clock_gmt = 1;
break;
case OPT_CLOCK_FORCE_CORRELATE:
opt_clock_force_correlate = 1;
break;
case OPT_STREAM_INTERSECTION:
opt_stream_intersection = 1;
break;
case OPT_DEBUG_INFO_DIR:
opt_debug_info_dir = (char *) poptGetOptArg(pc);
if (!opt_debug_info_dir) {
ret = -EINVAL;
goto end;
}
break;
case OPT_DEBUG_INFO_FULL_PATH:
opt_debug_info_full_path = 1;
break;
case OPT_DEBUG_INFO_TARGET_PREFIX:
opt_debug_info_target_prefix = (char *) poptGetOptArg(pc);
if (!opt_debug_info_target_prefix) {
ret = -EINVAL;
goto end;
}
break;
default:
ret = -EINVAL;
goto end;
}
}
do {
ipath = poptGetArg(pc);
if (ipath)
g_ptr_array_add(opt_input_paths, (gpointer) ipath);
} while (ipath);
if (opt_input_paths->len == 0) {
ret = -EINVAL;
goto end;
}
end:
if (pc) {
poptFreeContext(pc);
}
return ret;
}
static GPtrArray *traversed_paths = 0;
/*
* traverse_trace_dir() is the callback function for File Tree Walk (nftw).
* it receives the path of the current entry (file, dir, link..etc) with
* a flag to indicate the type of the entry.
* if the entry being visited is a directory and contains a metadata file,
* then add the path to a global list to be processed later in
* add_traces_recursive.
*/
static int traverse_trace_dir(const char *fpath, const struct stat *sb,
int tflag, struct FTW *ftwbuf)
{
int dirfd, metafd;
int closeret;
if (tflag != FTW_D)
return 0;
dirfd = open(fpath, 0);
if (dirfd < 0) {
fprintf(stderr, "[error] [Context] Unable to open trace "
"directory file descriptor.\n");
return 0; /* partial error */
}
metafd = openat(dirfd, "metadata", O_RDONLY);
if (metafd < 0) {
closeret = close(dirfd);
if (closeret < 0) {
perror("close");
return -1;
}
/* No meta data, just return */
return 0;
} else {
int err_close = 0;
closeret = close(metafd);
if (closeret < 0) {
perror("close");
err_close = 1;
}
closeret = close(dirfd);
if (closeret < 0) {
perror("close");
err_close = 1;
}
if (err_close) {
return -1;
}
/* Add path to the global list */
if (traversed_paths == NULL) {
fprintf(stderr, "[error] [Context] Invalid open path array.\n");
return -1;
}
g_ptr_array_add(traversed_paths, g_string_new(fpath));
}
return 0;
}
/*
* bt_context_add_traces_recursive: Open a trace recursively
*
* Find each trace present in the subdirectory starting from the given
* path, and add them to the context. The packet_seek parameter can be
* NULL: this specify to use the default format packet_seek.
*
* Return: 0 on success, < 0 on failure, > 0 on partial failure.
* Unable to open toplevel: failure.
* Unable to open some subdirectory or file: warn and continue (partial
* failure);
*/
int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
const char *format_str,
void (*packet_seek)(struct bt_stream_pos *pos,
size_t offset, int whence))
{
int ret = 0, trace_ids = 0;
if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 ||
(strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 ||
(strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) {
ret = bt_context_add_trace(ctx,
path, format_str, packet_seek, NULL, NULL);
if (ret < 0) {
fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" "
"for reading.\n", path);
}
return ret;
}
/* Should lock traversed_paths mutex here if used in multithread */
traversed_paths = g_ptr_array_new();
ret = nftw(path, traverse_trace_dir, 10, 0);
/* Process the array if ntfw did not return a fatal error */
if (ret >= 0) {
int i;
for (i = 0; i < traversed_paths->len; i++) {
GString *trace_path = g_ptr_array_index(traversed_paths,
i);
int trace_id = bt_context_add_trace(ctx,
trace_path->str,
format_str,
packet_seek,
NULL,
NULL);
if (trace_id < 0) {
fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
"for reading.\n", trace_path->str, path);
/* Allow to skip erroneous traces. */
ret = 1; /* partial error */
} else {
trace_ids++;
}
g_string_free(trace_path, TRUE);
}
}
g_ptr_array_free(traversed_paths, TRUE);
traversed_paths = NULL;
/* Should unlock traversed paths mutex here if used in multithread */
/*
* Return an error if no trace can be opened.
*/
if (trace_ids == 0) {
fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
ret = -ENOENT; /* failure */
}
return ret;
}
static
int trace_pre_handler(struct bt_trace_descriptor *td_write,
struct bt_context *ctx)
{
struct ctf_text_stream_pos *sout;
struct trace_collection *tc;
int ret, i;
sout = container_of(td_write, struct ctf_text_stream_pos,
trace_descriptor);
if (!sout->parent.pre_trace_cb)
return 0;
tc = ctx->tc;
for (i = 0; i < tc->array->len; i++) {
struct bt_trace_descriptor *td =
g_ptr_array_index(tc->array, i);
ret = sout->parent.pre_trace_cb(&sout->parent, td);
if (ret) {
fprintf(stderr, "[error] Writing to trace pre handler failed.\n");
goto end;
}
}
ret = 0;
end:
return ret;
}
static
int trace_post_handler(struct bt_trace_descriptor *td_write,
struct bt_context *ctx)
{
struct ctf_text_stream_pos *sout;
struct trace_collection *tc;
int ret, i;
sout = container_of(td_write, struct ctf_text_stream_pos,
trace_descriptor);
if (!sout->parent.post_trace_cb)
return 0;
tc = ctx->tc;
for (i = 0; i < tc->array->len; i++) {
struct bt_trace_descriptor *td =
g_ptr_array_index(tc->array, i);
ret = sout->parent.post_trace_cb(&sout->parent, td);
if (ret) {
fprintf(stderr, "[error] Writing to trace post handler failed.\n");
goto end;
}
}
ret = 0;
end:
return ret;
}
static
int convert_trace(struct bt_trace_descriptor *td_write,
struct bt_context *ctx)
{
struct bt_ctf_iter *iter;
struct ctf_text_stream_pos *sout;
struct bt_iter_pos *begin_pos = NULL, *end_pos = NULL;
struct bt_ctf_event *ctf_event;
int ret;
sout = container_of(td_write, struct ctf_text_stream_pos,
trace_descriptor);
if (!sout->parent.event_cb) {
return 0;
}
if (opt_stream_intersection) {
iter = bt_ctf_iter_create_intersect(ctx, &begin_pos, &end_pos);
} else {
begin_pos = bt_iter_create_time_pos(NULL, 0);
begin_pos->type = BT_SEEK_BEGIN;
iter = bt_ctf_iter_create(ctx, begin_pos, NULL);
}
if (!iter) {
ret = -1;
goto error_iter;
}
while ((ctf_event = bt_ctf_iter_read_event(iter))) {
ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
if (ret) {
fprintf(stderr, "[error] Writing event failed.\n");
goto end;
}
ret = bt_iter_next(bt_ctf_get_iter(iter));
if (ret < 0) {
goto end;
}
}
ret = 0;
end:
bt_ctf_iter_destroy(iter);
error_iter:
bt_iter_free_pos(begin_pos);
bt_iter_free_pos(end_pos);
return ret;
}
void call_plugins_hooks(void)
{
bt_dummy_hook();
bt_lttng_live_hook();
bt_ctf_hook();
bt_ctf_text_hook();
bt_ctf_metadata_hook();
}
int main(int argc, char **argv)
{
int ret, partial_error = 0, open_success = 0;
struct bt_format *fmt_write;
struct bt_trace_descriptor *td_write;
struct bt_context *ctx;
int i;
call_plugins_hooks();
opt_input_paths = g_ptr_array_new();
ret = parse_options(argc, argv);
if (ret < 0) {
fprintf(stderr, "Error parsing options.\n\n");
usage(stderr);
g_ptr_array_free(opt_input_paths, TRUE);
exit(EXIT_FAILURE);
} else if (ret > 0) {
g_ptr_array_free(opt_input_paths, TRUE);
exit(EXIT_SUCCESS);
}
printf_verbose("Verbose mode active.\n");
printf_debug("Debug mode active.\n");
if (opt_input_format)
strlower(opt_input_format);
if (opt_output_format)
strlower(opt_output_format);
printf_verbose("Converting from directory(ies):\n");
for (i = 0; i < opt_input_paths->len; i++) {
const char *ipath = g_ptr_array_index(opt_input_paths, i);
printf_verbose(" %s\n", ipath);
}
printf_verbose("Converting from format: %s\n",
opt_input_format ? : "ctf <default>");
printf_verbose("Converting to target: %s\n",
opt_output_path ? : "<stdout>");
printf_verbose("Converting to format: %s\n",
opt_output_format ? : "text <default>");
if (!opt_input_format) {
opt_input_format = strdup("ctf");
if (!opt_input_format) {
partial_error = 1;
goto end;
}
}
if (!opt_output_format) {
opt_output_format = strdup("text");
if (!opt_output_format) {
partial_error = 1;
goto end;
}
}
fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
if (!fmt_read) {
fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
opt_input_format);
partial_error = 1;
goto end;
}
fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
if (!fmt_write) {
fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
opt_output_format);
partial_error = 1;
goto end;
}
ctx = bt_context_create();
if (!ctx) {
goto error_td_read;
}
for (i = 0; i < opt_input_paths->len; i++) {
const char *ipath = g_ptr_array_index(opt_input_paths, i);
ret = bt_context_add_traces_recursive(ctx, ipath,
opt_input_format, NULL);
if (ret < 0) {
fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
ipath);
} else if (ret > 0) {
fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
ipath);
open_success = 1; /* some traces were OK */
partial_error = 1;
} else {
open_success = 1; /* all traces were OK */
}
}
if (!open_success) {
fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
goto error_td_read;
}
td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
if (!td_write) {
fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
opt_output_path ? : "<none>");
goto error_td_write;
}
/*
* Errors happened when opening traces, but we continue anyway.
* sleep to let user see the stderr output before stdout.
*/
if (partial_error)
sleep(PARTIAL_ERROR_SLEEP);
ret = trace_pre_handler(td_write, ctx);
if (ret) {
fprintf(stderr, "Error in trace pre handle.\n\n");
goto error_copy_trace;
}
/* For now, we support only CTF iterators */
if (fmt_read->name == g_quark_from_static_string("ctf")) {
ret = convert_trace(td_write, ctx);
if (ret) {
fprintf(stderr, "Error printing trace.\n\n");
goto error_copy_trace;
}
}
ret = trace_post_handler(td_write, ctx);
if (ret) {
fprintf(stderr, "Error in trace post handle.\n\n");
goto error_copy_trace;
}
fmt_write->close_trace(td_write);
bt_context_put(ctx);
printf_verbose("finished converting. Output written to:\n%s\n",
opt_output_path ? : "<stdout>");
goto end;
/* Error handling */
error_copy_trace:
fmt_write->close_trace(td_write);
error_td_write:
bt_context_put(ctx);
error_td_read:
partial_error = 1;
/* teardown and exit */
end:
free(opt_input_format);
free(opt_output_format);
free(opt_output_path);
free(opt_debug_info_dir);
free(opt_debug_info_target_prefix);
g_ptr_array_free(opt_input_paths, TRUE);
if (partial_error)
exit(EXIT_FAILURE);
else
exit(EXIT_SUCCESS);
}