babeltrace-cfg: add begin/end NS options
[babeltrace.git] / converter / babeltrace.c
index 70e43ccf7af67f197d3fc36057a82d679f6d6e9e..62cff404b0c6b7c8af9fe83c868fa59e04f4a96a 100644 (file)
@@ -3,7 +3,9 @@
  *
  * Babeltrace Trace Converter
  *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * 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
  *
  * 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 <popt.h>
-#include <errno.h>
+#include <babeltrace/plugin/component-factory.h>
+#include <babeltrace/plugin/plugin.h>
+#include <babeltrace/plugin/component-class.h>
+#include <babeltrace/plugin/notification/iterator.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/values.h>
 #include <stdlib.h>
-#include <ctype.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <fcntl.h>
+#include <babeltrace/ctf-ir/metadata.h>        /* for clocks */
+#include <popt.h>
+#include <string.h>
+#include <stdio.h>
+#include "babeltrace-cfg.h"
 
-static char *opt_input_format;
-static char *opt_output_format;
+static
+const char *component_type_str(enum bt_component_type type)
+{
+       switch (type) {
+       case BT_COMPONENT_TYPE_SOURCE:
+               return "source";
+       case BT_COMPONENT_TYPE_SINK:
+               return "sink";
+       case BT_COMPONENT_TYPE_FILTER:
+               return "filter";
+       case BT_COMPONENT_TYPE_UNKNOWN:
+       default:
+               return "unknown";
+       }
+}
 
-static const char *opt_input_path;
-static const char *opt_output_path;
+static
+void print_component_classes_found(struct bt_component_factory *factory)
+{
+       int count, i;
 
-int babeltrace_verbose, babeltrace_debug;
+       if (!babeltrace_verbose) {
+               return;
+       }
 
-void strlower(char *str)
-{
-       while (*str) {
-               *str = tolower(*str);
-               str++;
+       count = bt_component_factory_get_component_class_count(factory);
+       if (count <= 0) {
+               fprintf(stderr, "No component classes found. Please make sure your plug-in search path is set correctly.\n");
+               return;
+       }
+
+       printf_verbose("Found %d component classes.\n", count);
+       for (i = 0; i < count; i++) {
+               struct bt_component_class *component_class =
+                               bt_component_factory_get_component_class_index(
+                               factory, i);
+               struct bt_plugin *plugin = bt_component_class_get_plugin(
+                               component_class);
+               const char *plugin_name = bt_plugin_get_name(plugin);
+               const char *component_name = bt_component_class_get_name(
+                               component_class);
+               const char *path = bt_plugin_get_path(plugin);
+               const char *author = bt_plugin_get_author(plugin);
+               const char *license = bt_plugin_get_license(plugin);
+               const char *plugin_description = bt_plugin_get_description(
+                               plugin);
+               const char *component_description =
+                               bt_component_class_get_description(
+                                       component_class);
+               enum bt_component_type type = bt_component_class_get_type(
+                               component_class);
+
+               printf_verbose("[%s - %s (%s)]\n", plugin_name, component_name,
+                              component_type_str(type));
+               printf_verbose("\tpath: %s\n", path ? path : "None");
+               printf_verbose("\tauthor: %s\n", author ? author : "Unknown");
+               printf_verbose("\tlicense: %s\n", license ? license : "Unknown");
+               printf_verbose("\tplugin description: %s\n",
+                               plugin_description ? plugin_description : "None");
+               printf_verbose("\tcomponent description: %s\n",
+                               component_description ? component_description : "None");
+
+               bt_put(plugin);
+               bt_put(component_class);
        }
 }
 
-enum {
-       OPT_NONE = 0,
-       OPT_HELP,
-       OPT_LIST,
-       OPT_VERBOSE,
-       OPT_DEBUG,
-};
-
-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 },
-       { "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 },
-       { NULL, 0, 0, NULL, 0, NULL, NULL },
-};
-
-static void list_formats(FILE *fp)
+static
+void print_indent(size_t indent)
 {
-       fprintf(fp, "\n");
-       bt_fprintf_format_list(fp);
+       size_t i;
+
+       for (i = 0; i < indent; i++) {
+               printf(" ");
+       }
 }
 
-static void usage(FILE *fp)
+static
+void print_value(struct bt_value *, size_t, bool);
+
+static
+bool print_map_value(const char *key, struct bt_value *object, void *data)
 {
-       fprintf(fp, "BabelTrace Trace Converter %u.%u\n\n",
-               BABELTRACE_VERSION_MAJOR,
-               BABELTRACE_VERSION_MINOR);
-       fprintf(fp, "usage : babeltrace [OPTIONS] INPUT OUTPUT\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  INPUT               Input trace path\n");
-       fprintf(fp, "  OUTPUT              Output trace path\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -i, --input-format  Input trace path\n");
-       fprintf(fp, "  -o, --output-format Input trace path\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, "  -d, --debug         Debug mode\n");
-       list_formats(fp);
-       fprintf(fp, "\n");
+       size_t indent = (size_t) data;
+
+       print_indent(indent);
+       printf("\"%s\": ", key);
+       print_value(object, indent, false);
+
+       return true;
 }
 
-/*
- * 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)
+static
+void print_value(struct bt_value *value, size_t indent, bool do_indent)
 {
-       poptContext pc;
-       int opt, ret = 0;
+       bool bool_val;
+       int64_t int_val;
+       double dbl_val;
+       const char *str_val;
+       int size;
+       int i;
 
-       if (argc == 1) {
-               usage(stdout);
-               return 1;       /* exit cleanly */
+       if (!value) {
+               return;
        }
 
-       pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
-       poptReadDefaultConfig(pc, 0);
+       if (do_indent) {
+               print_indent(indent);
+       }
 
-       while ((opt = poptGetNextOpt(pc)) != -1) {
-               switch (opt) {
-               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_DEBUG:
-                       babeltrace_debug = 1;
-                       break;
-               default:
-                       ret = -EINVAL;
-                       goto end;
+       switch (bt_value_get_type(value)) {
+       case BT_VALUE_TYPE_NULL:
+               printf("null\n");
+               break;
+       case BT_VALUE_TYPE_BOOL:
+               bt_value_bool_get(value, &bool_val);
+               printf("%s\n", bool_val ? "true" : "false");
+               break;
+       case BT_VALUE_TYPE_INTEGER:
+               bt_value_integer_get(value, &int_val);
+               printf("%" PRId64 "\n", int_val);
+               break;
+       case BT_VALUE_TYPE_FLOAT:
+               bt_value_float_get(value, &dbl_val);
+               printf("%lf\n", dbl_val);
+               break;
+       case BT_VALUE_TYPE_STRING:
+               bt_value_string_get(value, &str_val);
+               printf("\"%s\"\n", str_val);
+               break;
+       case BT_VALUE_TYPE_ARRAY:
+               size = bt_value_array_size(value);
+               printf("[\n");
+
+               for (i = 0; i < size; i++) {
+                       struct bt_value *element =
+                                       bt_value_array_get(value, i);
+
+                       print_value(element, indent + 2, true);
+                       BT_PUT(element);
                }
-       }
 
-       opt_input_path = poptGetArg(pc);
-       if (!opt_input_path) {
-               ret = -EINVAL;
-               goto end;
-       }
-       opt_output_path = poptGetArg(pc);
-       if (!opt_output_path) {
-               ret = -EINVAL;
-               goto end;
+               print_indent(indent);
+               printf("]\n");
+               break;
+       case BT_VALUE_TYPE_MAP:
+               if (bt_value_map_is_empty(value)) {
+                       printf("{}\n");
+                       return;
+               }
+
+               printf("{\n");
+               bt_value_map_foreach(value, print_map_value,
+                       (void *) (indent + 2));
+               print_indent(indent);
+               printf("}\n");
+               break;
+       default:
+               assert(false);
        }
-end:
-       if (pc) {
-               poptFreeContext(pc);
+}
+
+static
+void print_bt_config_component(struct bt_config_component *bt_config_component)
+{
+       printf("  %s.%s\n", bt_config_component->plugin_name->str,
+               bt_config_component->component_name->str);
+       printf("    params:\n");
+       print_value(bt_config_component->params, 6, true);
+}
+
+static
+void print_bt_config_components(GPtrArray *array)
+{
+       size_t i;
+
+       for (i = 0; i < array->len; i++) {
+               struct bt_config_component *cfg_component =
+                       bt_config_get_component(array, i);
+               print_bt_config_component(cfg_component);
+               BT_PUT(cfg_component);
        }
-       return ret;
+}
+
+static
+void print_cfg(struct bt_config *cfg)
+{
+       printf("debug:           %d\n", cfg->debug);
+       printf("verbose:         %d\n", cfg->verbose);
+       printf("do list:         %d\n", cfg->do_list);
+       printf("force correlate: %d\n", cfg->force_correlate);
+       printf("plugin paths:\n");
+       print_value(cfg->plugin_paths, 2, true);
+       printf("sources:\n");
+       print_bt_config_components(cfg->sources);
+       printf("sinks:\n");
+       print_bt_config_components(cfg->sinks);
 }
 
 int main(int argc, char **argv)
 {
        int ret;
-       struct format *fmt_read, *fmt_write;
-       struct trace_descriptor *td_read, *td_write;
+       struct bt_component_factory *component_factory = NULL;
+       struct bt_component_class *source_class = NULL;
+       struct bt_component_class *sink_class = NULL;
+       struct bt_component *source = NULL, *sink = NULL;
+       struct bt_value *source_params = NULL, *sink_params = NULL;
+       struct bt_config *cfg;
+       struct bt_notification_iterator *it = NULL;
+       enum bt_component_status sink_status;
+       struct bt_value *first_plugin_path_value = NULL;
+       const char *first_plugin_path;
+       struct bt_config_component *cfg_component;
+
+       cfg = bt_config_from_args(argc, argv, &ret);
+       if (cfg) {
+               print_cfg(cfg);
+       } else {
+               goto end;
+       }
+
+       babeltrace_verbose = cfg->verbose;
+       babeltrace_debug = cfg->debug;
 
-       ret = parse_options(argc, argv);
-       if (ret < 0) {
-               fprintf(stdout, "Error parsing options.\n\n");
-               usage(stdout);
-               exit(EXIT_FAILURE);
-       } else if (ret > 0) {
-               exit(EXIT_SUCCESS);
+       /* TODO handle more than 1 source and 1 sink. */
+       if (cfg->sources->len != 1 || cfg->sinks->len != 1) {
+               fprintf(stderr, "Unexpected configuration, aborting...\n");
+               ret = -1;
+               goto end;
        }
+       cfg_component = bt_config_get_component(cfg->sources, 0);
+       source_params = bt_get(cfg_component->params);
+       BT_PUT(cfg_component);
+       cfg_component = bt_config_get_component(cfg->sinks, 0);
+       sink_params = bt_get(cfg_component->params);
+       BT_PUT(cfg_component);
+
        printf_verbose("Verbose mode active.\n");
        printf_debug("Debug mode active.\n");
+       component_factory = bt_component_factory_create();
+       if (!component_factory) {
+               fprintf(stderr, "Failed to create component factory.\n");
+               ret = -1;
+               goto end;
+       }
+
+       if (cfg->plugin_paths && !bt_value_array_is_empty(cfg->plugin_paths)) {
+               first_plugin_path_value = bt_value_array_get(
+                               cfg->plugin_paths, 0);
+               bt_value_string_get(first_plugin_path_value,
+                               &first_plugin_path);
+               ret = bt_component_factory_load_recursive(component_factory,
+                               first_plugin_path);
+               if (ret) {
+                       fprintf(stderr, "Failed to dynamically load plugins.\n");
+                       goto end;
+               }
+       }
 
-       if (opt_input_format)
-               strlower(opt_input_format);
-       if (opt_output_format)
-               strlower(opt_output_format);
-
-       printf_verbose("Converting from file: %s\n", opt_input_path);
-       printf_verbose("Converting from format: %s\n",
-               opt_input_format ? : "<autodetect>");
-       printf_verbose("Converting to file: %s\n", opt_output_path);
-       printf_verbose("Converting to format: %s\n",
-               opt_output_format ? : "ctf");
-
-       if (!opt_input_format) {
-               fprintf(stdout, "Error: input format autodetection not implemented yet.\n\n");
-               usage(stdout);
-               exit(EXIT_FAILURE);
-       }
-       fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
-       if (!fmt_read) {
-               fprintf(stdout, "Error: format \"%s\" is not supported.\n\n",
-                       opt_input_format);
-               exit(EXIT_FAILURE);
-       }
-       if (!opt_output_format)
-               opt_output_format = "ctf";
-       fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
-       if (!fmt_write) {
-               fprintf(stdout, "Error: format \"%s\" is not supported.\n\n",
-                       opt_output_format);
-               exit(EXIT_FAILURE);
-       }
-
-       td_read = fmt_read->open_trace(opt_input_path, O_RDONLY);
-       if (!td_read) {
-               fprintf(stdout, "Error opening trace \"%s\" for reading.\n\n",
-                       opt_input_path);
-               goto error_td_read;
-       }
-
-       td_write = fmt_write->open_trace(opt_output_path, O_WRONLY);
-       if (!td_write) {
-               fprintf(stdout, "Error opening trace \"%s\" for writing.\n\n",
-                       opt_output_path);
-               goto error_td_write;
-       }
-
-       ret = convert_trace(td_write, td_read);
+       ret = bt_component_factory_load_static(component_factory);
        if (ret) {
-               fprintf(stdout, "Error printing trace.\n\n");
-               goto error_copy_trace;
+               fprintf(stderr, "Failed to load static plugins.\n");
+               goto end;
+       }
+
+       print_component_classes_found(component_factory);
+       source_class = bt_component_factory_get_component_class(
+                       component_factory, "ctf", BT_COMPONENT_TYPE_SOURCE,
+                       "fs");
+       if (!source_class) {
+               fprintf(stderr, "Could not find ctf-fs source component class. Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+
+       sink_class = bt_component_factory_get_component_class(component_factory,
+                       NULL, BT_COMPONENT_TYPE_SINK, "text");
+       if (!sink_class) {
+               fprintf(stderr, "Could not find text output component class. Aborting...\n");
+               ret = -1;
+               goto end;
        }
 
-       fmt_write->close_trace(td_write);
-       fmt_read->close_trace(td_read);
-       exit(EXIT_SUCCESS);
+       source = bt_component_create(source_class, "ctf-fs", source_params);
+       if (!source) {
+               fprintf(stderr, "Failed to instantiate ctf-fs source component. Aborting...\n");
+                ret = -1;
+                goto end;
+        }
+
+       sink = bt_component_create(sink_class, "text", sink_params);
+       if (!sink) {
+               fprintf(stderr, "Failed to instanciate text output component. Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+
+       it = bt_component_source_create_iterator(source);
+       if (!it) {
+               fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n");
+                ret = -1;
+                goto end;
+        }
+
+       sink_status = bt_component_sink_add_iterator(sink, it);
+       if (sink_status != BT_COMPONENT_STATUS_OK) {
+               ret = -1;
+               goto end;
+       }
 
-       /* Error handling */
-error_copy_trace:
-       fmt_write->close_trace(td_write);
-error_td_write:
-       fmt_read->close_trace(td_read);
-error_td_read:
-       exit(EXIT_FAILURE);
+       while (true) {
+               sink_status = bt_component_sink_consume(sink);
+               switch (sink_status) {
+               case BT_COMPONENT_STATUS_AGAIN:
+                       /* Wait for an arbitraty 500 ms. */
+                       usleep(500000);
+                       break;
+               case BT_COMPONENT_STATUS_OK:
+                       break;
+               case BT_COMPONENT_STATUS_END:
+                       goto end;
+               default:
+                       fprintf(stderr, "Sink component returned an error, aborting...\n");
+                       ret = -1;
+                       goto end;
+               }
+       }
+end:
+       BT_PUT(component_factory);
+       BT_PUT(sink_class);
+       BT_PUT(source_class);
+       BT_PUT(source);
+       BT_PUT(sink);
+       BT_PUT(source_params);
+       BT_PUT(sink_params);
+       BT_PUT(it);
+       BT_PUT(cfg);
+       BT_PUT(first_plugin_path_value);
+       return ret ? 1 : 0;
 }
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