converter: parse 1.x and 2.0 options
[babeltrace.git] / converter / babeltrace.c
index e3436afa28a4272e180db25069363dd50c80e8b5..fed201e7d5fbe4cd228a598f8cc39f541d141320 100644 (file)
 #include <popt.h>
 #include <string.h>
 #include <stdio.h>
-
-
-static char *opt_plugin_path;
-static char *opt_input_path;
-
-enum {
-       OPT_NONE = 0,
-       OPT_PLUGIN_PATH,
-       OPT_INPUT_PATH,
-       OPT_VERBOSE,
-       OPT_DEBUG,
-       OPT_HELP,
-};
-
-/*
- * We are _not_ using POPT_ARG_STRING's 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 */
-       { "plugin-path", 0, POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
-       { "input-path", 0, POPT_ARG_STRING, NULL, OPT_INPUT_PATH, 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 },
-};
-
-/*
- * 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;
-
-       if (argc == 1) {
-               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_HELP:
-                       ret = 1;        /* exit cleanly */
-                       goto end;
-               case OPT_PLUGIN_PATH:
-                       opt_plugin_path = (char *) poptGetOptArg(pc);
-                       if (!opt_plugin_path) {
-                               ret = -EINVAL;
-                               goto end;
-                       }
-                       break;
-               case OPT_VERBOSE:
-                       babeltrace_verbose = 1;
-                       break;
-               case OPT_DEBUG:
-                       babeltrace_debug = 1;
-                       break;
-               case OPT_INPUT_PATH:
-                       opt_input_path = (char *) poptGetOptArg(pc);
-                       if (!opt_input_path) {
-                               ret = -EINVAL;
-                               goto end;
-                       }
-                       break;
-               default:
-                       ret = -EINVAL;
-                       goto end;
-               }
-       }
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-       return ret;
-}
+#include "babeltrace-cfg.h"
 
 static
 const char *component_type_str(enum bt_component_type type)
@@ -144,10 +57,12 @@ const char *component_type_str(enum bt_component_type type)
 }
 
 static
-void print_found_component_classes(struct bt_component_factory *factory)
+void print_component_classes_found(struct bt_component_factory *factory)
 {
        int count, i;
 
+       babeltrace_verbose = 1;
+
        if (!babeltrace_verbose) {
                return;
        }
@@ -194,49 +109,181 @@ void print_found_component_classes(struct bt_component_factory *factory)
        }
 }
 
+static
+void print_indent(size_t indent)
+{
+       size_t i;
+
+       for (i = 0; i < indent; i++) {
+               printf(" ");
+       }
+}
+
+static
+void print_value(struct bt_value *, size_t, bool);
+
+static
+bool print_map_value(const char *key, struct bt_value *object, void *data)
+{
+       size_t indent = (size_t) data;
+
+       print_indent(indent);
+       printf("\"%s\": ", key);
+       print_value(object, indent, false);
+
+       return true;
+}
+
+static
+void print_value(struct bt_value *value, size_t indent, bool do_indent)
+{
+       bool bool_val;
+       int64_t int_val;
+       double dbl_val;
+       const char *str_val;
+       int size;
+       int i;
+
+       if (!value) {
+               return;
+       }
+
+       if (do_indent) {
+               print_indent(indent);
+       }
+
+       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);
+               }
+
+               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);
+       }
+}
+
+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);
+       }
+}
+
+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;
-       enum bt_value_status value_status;
        struct bt_component_factory *component_factory = NULL;
-       struct bt_component_class *source_class = NULL, *sink_class = 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;
-
-       ret = parse_options(argc, argv);
-       if (ret < 0) {
-               fprintf(stderr, "Error parsing options.\n\n");
-               exit(EXIT_FAILURE);
-       } else if (ret > 0) {
-               exit(EXIT_SUCCESS);
-       }
-
-       source_params = bt_value_map_create();
-       if (!source_params) {
-               fprintf(stderr, "Failed to create source parameters map, aborting...\n");
-               ret = -1;
+       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;
        }
 
-       value_status = bt_value_map_insert_string(source_params, "path",
-                       opt_input_path);
-       if (value_status != BT_VALUE_STATUS_OK) {
+       /* 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");
 
-       if (!opt_plugin_path) {
+       if (bt_value_array_is_empty(cfg->plugin_paths)) {
                fprintf(stderr, "No plugin path specified, aborting...\n");
                ret = -1;
                goto end;
        }
-       printf_verbose("Looking-up plugins at %s\n",
-                       opt_plugin_path ? opt_plugin_path : "Invalid");
        component_factory = bt_component_factory_create();
        if (!component_factory) {
                fprintf(stderr, "Failed to create component factory.\n");
@@ -244,14 +291,17 @@ int main(int argc, char **argv)
                goto end;
        }
 
-       ret = bt_component_factory_load_recursive(component_factory, opt_plugin_path);
+       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 load plugins.\n");
                goto end;
        }
 
-       print_found_component_classes(component_factory);
-
+       print_component_classes_found(component_factory);
        source_class = bt_component_factory_get_component_class(
                        component_factory, "ctf", BT_COMPONENT_TYPE_SOURCE,
                        "fs");
@@ -262,23 +312,23 @@ int main(int argc, char **argv)
        }
 
        sink_class = bt_component_factory_get_component_class(component_factory,
-                       "text", BT_COMPONENT_TYPE_SINK, "text");
+                       NULL, BT_COMPONENT_TYPE_SINK, "text");
        if (!sink_class) {
-               fprintf(stderr, "Could not find text sink component class. Aborting...\n");
+               fprintf(stderr, "Could not find text output component class. Aborting...\n");
                ret = -1;
                goto end;
        }
 
        source = bt_component_create(source_class, "ctf-fs", source_params);
        if (!source) {
-               fprintf(stderr, "Failed to instantiate source component. Aborting...\n");
-               ret = -1;
-               goto end;
-       }
+               fprintf(stderr, "Failed to instantiate ctf-fs source component. Aborting...\n");
+                ret = -1;
+                goto end;
+        }
 
-       sink = bt_component_create(sink_class, "bt_text_output", sink_params);
+       sink = bt_component_create(sink_class, "text", sink_params);
        if (!sink) {
-               fprintf(stderr, "Failed to instantiate output component. Aborting...\n");
+               fprintf(stderr, "Failed to instanciate text output component. Aborting...\n");
                ret = -1;
                goto end;
        }
@@ -286,9 +336,9 @@ int main(int argc, char **argv)
        it = bt_component_source_create_iterator(source);
        if (!it) {
                fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n");
-               ret = -1;
-               goto end;
-       }
+                ret = -1;
+                goto end;
+        }
 
        sink_status = bt_component_sink_add_iterator(sink, it);
        if (sink_status != BT_COMPONENT_STATUS_OK) {
@@ -298,7 +348,6 @@ int main(int argc, char **argv)
 
        while (true) {
                sink_status = bt_component_sink_consume(sink);
-
                switch (sink_status) {
                case BT_COMPONENT_STATUS_AGAIN:
                        /* Wait for an arbitraty 500 ms. */
@@ -314,7 +363,6 @@ int main(int argc, char **argv)
                        goto end;
                }
        }
-       /* teardown and exit */
 end:
        BT_PUT(component_factory);
        BT_PUT(sink_class);
@@ -324,5 +372,7 @@ end:
        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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