X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=converter%2Fbabeltrace.c;h=db8c8d65b0e94975f3f9544e122a4845e8af9f2a;hp=56772674a8d8b629764a5b01e0ccdef49d295ad9;hb=11e1d04883854321d5d31ef2a59de34dfa39a44e;hpb=550cb17d6186e3e3ed2daa1616ceab3da2d86b5d diff --git a/converter/babeltrace.c b/converter/babeltrace.c index 56772674..db8c8d65 100644 --- a/converter/babeltrace.c +++ b/converter/babeltrace.c @@ -40,18 +40,21 @@ #include #include #include +#include #include /* for clocks */ #define DEFAULT_FILE_ARRAY_SIZE 1 -static char *opt_input_format; -static char *opt_output_format; +static char *opt_input_format, *opt_output_format; +/* Pointer into const argv */ +static const char *opt_input_format_arg, *opt_output_format_arg; static const char *opt_input_path; static const char *opt_output_path; static struct format *fmt_read; +static void strlower(char *str) { while (*str) { @@ -79,8 +82,8 @@ enum { static struct poptOption long_options[] = { /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ - { "input-format", 'i', POPT_ARG_STRING, &opt_input_format, OPT_NONE, NULL, NULL }, - { "output-format", 'o', POPT_ARG_STRING, &opt_output_format, OPT_NONE, NULL, NULL }, + { "input-format", 'i', POPT_ARG_STRING, &opt_input_format_arg, OPT_NONE, NULL, NULL }, + { "output-format", 'o', POPT_ARG_STRING, &opt_output_format_arg, OPT_NONE, 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 }, @@ -321,9 +324,10 @@ end: * 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, nonzero on failure. + * 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; + * 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, @@ -335,7 +339,7 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, GArray *trace_ids; char lpath[PATH_MAX]; char * const paths[2] = { lpath, NULL }; - int ret = -1; + int ret = 0; /* * Need to copy path, because fts_open can change it. @@ -364,7 +368,7 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, if (dirfd < 0) { fprintf(stderr, "[error] [Context] Unable to open trace " "directory file descriptor.\n"); - ret = dirfd; + ret = 1; /* partial error */ goto error; } metafd = openat(dirfd, "metadata", O_RDONLY); @@ -372,21 +376,23 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, closeret = close(dirfd); if (closeret < 0) { perror("close"); + ret = -1; /* failure */ goto error; } - ret = -1; continue; } else { int trace_id; - ret = close(metafd); - if (ret < 0) { + closeret = close(metafd); + if (closeret < 0) { perror("close"); + ret = -1; /* failure */ goto error; } - ret = close(dirfd); - if (ret < 0) { + closeret = close(dirfd); + if (closeret < 0) { perror("close"); + ret = -1; /* failure */ goto error; } @@ -397,6 +403,7 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " "for reading.\n", node->fts_accpath, path); /* Allow to skip erroneous traces. */ + ret = 1; /* partial error */ continue; } g_array_append_val(trace_ids, trace_id); @@ -407,9 +414,9 @@ error: /* * Return an error if no trace can be opened. */ - if (ret == 0 && trace_ids->len == 0) { + if (trace_ids->len == 0) { fprintf(stderr, "[error] Cannot open any trace for reading.\n\n"); - ret = -ENOENT; + ret = -ENOENT; /* failure */ } g_array_free(trace_ids, TRUE); return ret; @@ -455,7 +462,7 @@ error_iter: int main(int argc, char **argv) { - int ret; + int ret, partial_error = 0; struct format *fmt_write; struct trace_descriptor *td_write; struct bt_context *ctx; @@ -471,10 +478,22 @@ int main(int argc, char **argv) printf_verbose("Verbose mode active.\n"); printf_debug("Debug mode active.\n"); - if (opt_input_format) + if (opt_input_format_arg) { + opt_input_format = strdup(opt_input_format_arg); + if (!opt_input_format) { + partial_error = 1; + goto end; + } strlower(opt_input_format); - if (opt_output_format) + } + if (opt_output_format) { + opt_output_format = strdup(opt_output_format_arg); + if (!opt_output_format) { + partial_error = 1; + goto end; + } strlower(opt_output_format); + } printf_verbose("Converting from directory: %s\n", opt_input_path); printf_verbose("Converting from format: %s\n", @@ -484,31 +503,47 @@ int main(int argc, char **argv) printf_verbose("Converting to format: %s\n", opt_output_format ? : "text "); - if (!opt_input_format) - opt_input_format = "ctf"; - if (!opt_output_format) - opt_output_format = "text"; + 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); - exit(EXIT_FAILURE); + 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); - exit(EXIT_FAILURE); + partial_error = 1; + goto end; } ctx = bt_context_create(); ret = bt_context_add_traces_recursive(ctx, opt_input_path, opt_input_format, NULL); - if (ret) { + if (ret < 0) { fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n", opt_input_path); goto error_td_read; + } else if (ret > 0) { + fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n", + opt_input_path); + partial_error = 1; } td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL); @@ -529,7 +564,7 @@ int main(int argc, char **argv) bt_context_put(ctx); printf_verbose("finished converting. Output written to:\n%s\n", opt_output_path ? : ""); - exit(EXIT_SUCCESS); + goto end; /* Error handling */ error_copy_trace: @@ -537,5 +572,14 @@ error_copy_trace: error_td_write: bt_context_put(ctx); error_td_read: - exit(EXIT_FAILURE); + partial_error = 1; + + /* teardown and exit */ +end: + free(opt_input_format); + free(opt_output_format); + if (partial_error) + exit(EXIT_FAILURE); + else + exit(EXIT_SUCCESS); }