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;
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;
}
int bt_context_add_trace(struct bt_context *ctx, const char *path,
const char *format_name,
void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence),
struct bt_mmap_stream_list *stream_list,
FILE *metadata)
{
struct bt_trace_descriptor *td;
struct bt_format *fmt;
struct bt_trace_handle *handle;
int ret, closeret;
if (!ctx || !format_name || (!path && !stream_list))
return -EINVAL;
fmt = bt_lookup_format(g_quark_from_string(format_name));
if (!fmt) {
fprintf(stderr, "[error] [Context] Format \"%s\" unknown.\n\n",
format_name);
ret = -1;
goto end;
}
if (path) {
td = fmt->open_trace(path, O_RDONLY, packet_seek, NULL);
if (!td) {
fprintf(stderr, "[warning] [Context] Cannot open_trace of format %s at path %s.\n",
format_name, path);
ret = -1;
goto end;
}
} else {
td = fmt->open_mmap_trace(stream_list, packet_seek, metadata);
if (!td) {
fprintf(stderr, "[error] [Context] Cannot open_mmap_trace of format %s.\n\n",
format_name);
ret = -1;
goto end;
}
}
/* Create an handle for the trace */
handle = bt_trace_handle_create(ctx);
if (!handle) {
fprintf(stderr, "[error] [Context] Creating trace handle %s .\n\n",
path);
ret = -1;
goto error;
}
handle->format = fmt;
handle->td = td;
if (path) {
strncpy(handle->path, path, PATH_MAX);
handle->path[PATH_MAX - 1] = '\0';
}
if (fmt->set_handle)
fmt->set_handle(td, handle);
if (fmt->set_context)
fmt->set_context(td, ctx);
/* Add new handle to container */
g_hash_table_insert(ctx->trace_handles,
(gpointer) (unsigned long) handle->id,
handle);
ret = bt_trace_collection_add(ctx->tc, td);
if (ret != 0)
goto error;
ret = fmt->convert_index_timestamp(td);
if (ret < 0)
goto error;
handle->real_timestamp_begin = fmt->timestamp_begin(td, handle, BT_CLOCK_REAL);
handle->real_timestamp_end = fmt->timestamp_end(td, handle, BT_CLOCK_REAL);
handle->cycles_timestamp_begin = fmt->timestamp_begin(td, handle, BT_CLOCK_CYCLES);
handle->cycles_timestamp_end = fmt->timestamp_end(td, handle, BT_CLOCK_CYCLES);
return handle->id;
error:
closeret = fmt->close_trace(td);
if (closeret) {
fprintf(stderr, "Error in close_trace callback\n");
}
end:
return ret;
}
