libgr_demo_simple.c

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#include "assert.h"

#include "gr/gr.h"
#include "gr/set_soset.h"
#include "gr/vcg.h"

#define GR_BACKEND_MODEL "grbe_frame_based.so"
#define GR_GRAPH_MODEL   "gr_model_Mutex_fb.so"
#define GR_ACTION_MODEL  "gr_actions_Mutex_fb.so"

static gr_graph_t *init_graph(void)
{
  const gr_backend_model_t *be_model;
  const gr_backend_t       *backend;
  const gr_graph_model_t   *gr_model;
  gr_msg_printer_t         *printer = gr_msg_printer_file_new(stdout);
  gr_graph_t               *res;
  gr_domain_t              *dom = gr_domain_get_root();

  gr_msg_printer_set_level_mask(printer, GR_ML_FATAL | GR_ML_ERROR);
  gr_init(gr_set_soset_factory, printer);
  gr_domain_set_printer(dom, printer);

  be_model = gr_load_backend_model(GR_BACKEND_MODEL);
  backend  = gr_backend_new(be_model, 0, NULL);

  gr_model = gr_backend_load_graph_model(backend, GR_GRAPH_MODEL);
  res = gr_backend_new_graph(backend, gr_model, "libgr_demo_graph");

  assert(res && "gr_backend_new_graph() did not return a graph!");
  return res;
}

static void vcg_dump(const char *filename, gr_graph_t *gr)
{
  FILE *f = fopen(filename, "w");
  gr_dump_t *gd  = gr_dump_vcg_new(f, VCG_ORIENTATION_BOTTOM_TO_TOP);

#if 0
        gr_dump_color_node_type(gd, env->ids.N_Type,       GR_COLOR_BROWN);
  gr_dump_color_edge_type(gd, env->ids.E_cf,         GR_COLOR_RED);

  gr_dump_group_incoming(gd, env->ids.N_Method_IRG);

  /* remove the modes */
  gr_dump_exclude_node_type(gd, env->ids.N_Mode);

  /* add infotags */
  gr_dump_set_node_infotag(gd, env->ids.N_Const,
                        gr_get_node_attr_id(env->graph, env->ids.N_Const, "value"));
#endif  

  gr_dump(gr, gd);

  gr_dump_delete(gd);
  fclose(f);
}

static void add_nodes(gr_graph_t *gr, char *type_name, int num)
{
        int i;
        gr_id_t type = gr_get_node_type_id(gr, type_name);
        
        assert(gr_id_is_valid(type));
                
        for(i=0; i < num; i++) {
                gr_id_t node = gr_add_node(gr, type);
        }
}


int main(void) {
        gr_graph_t *graph;
        
        graph = init_graph();
        //vcg_dump("01-init.vcg", graph);

        add_nodes(graph, "Process", 500000);
        
        //vcg_dump("02-before.vcg", graph);
        //vcg_dump("03-after.vcg", graph);
        
        return 0;
}

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