-/* $Id$ */
-
-/* Copyright (c) 2006 Darina Dimitrova, Arnaud Legrand.
- All rights reserved. */
+/* Copyright (c) 2006-2018. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#ifndef _XBT_GRAPH_H
-#define _XBT_GRAPH_H
-#include "xbt/misc.h" /* SG_BEGIN_DECL */
-#include "xbt/dynar.h"
+#ifndef XBT_GRAPH_H
+#define XBT_GRAPH_H
+
+#include <xbt/dynar.h>
+#include <xbt/misc.h> /* SG_BEGIN_DECL */
+
SG_BEGIN_DECL()
/** @addtogroup XBT_graph
* @brief A graph data type with several interesting algorithms
- *
+ *
* @{
*/
- typedef struct xbt_node *xbt_node_t;
- typedef struct xbt_edge *xbt_edge_t;
- typedef struct xbt_graph *xbt_graph_t;
-
-/* API */
-XBT_PUBLIC(xbt_graph_t) xbt_graph_new_graph(unsigned short int directed,
- void *data);
-XBT_PUBLIC(xbt_node_t) xbt_graph_new_node(xbt_graph_t g, void *data);
-XBT_PUBLIC(xbt_edge_t) xbt_graph_new_edge(xbt_graph_t g, xbt_node_t src,
- xbt_node_t dst, void *data);
-XBT_PUBLIC(void *) xbt_graph_node_get_data(xbt_node_t node);
-XBT_PUBLIC(void) xbt_graph_node_set_data(xbt_node_t node, void *data);
-XBT_PUBLIC(void *) xbt_graph_edge_get_data(xbt_edge_t edge);
-XBT_PUBLIC(void) xbt_graph_edge_set_data(xbt_edge_t edge, void *data);
-
-XBT_PUBLIC(xbt_edge_t) xbt_graph_get_edge(xbt_graph_t g, xbt_node_t src,
- xbt_node_t dst);
-
-XBT_PUBLIC(void) xbt_graph_edge_set_length(xbt_edge_t e, double length);
-XBT_PUBLIC(double) xbt_graph_edge_get_length(xbt_edge_t e);
-XBT_PUBLIC(double *) xbt_graph_get_length_matrix(xbt_graph_t g);
-
-XBT_PUBLIC(void) xbt_graph_free_node(xbt_graph_t g, xbt_node_t n,
- void_f_pvoid_t node_free_function,
- void_f_pvoid_t edge_free_function);
-XBT_PUBLIC(void) xbt_graph_free_edge(xbt_graph_t g, xbt_edge_t e,
- void_f_pvoid_t free_function);
-XBT_PUBLIC(void) xbt_graph_free_graph(xbt_graph_t g,
- void_f_pvoid_t node_free_function,
- void_f_pvoid_t edge_free_function,
- void_f_pvoid_t graph_free_function);
-
-XBT_PUBLIC(int) __xbt_find_in_dynar(xbt_dynar_t dynar, void *p);
-
-XBT_PUBLIC(xbt_dynar_t) xbt_graph_get_nodes(xbt_graph_t g);
-XBT_PUBLIC(xbt_dynar_t) xbt_graph_get_edges(xbt_graph_t g);
-XBT_PUBLIC(xbt_node_t) xbt_graph_edge_get_source(xbt_edge_t e);
-XBT_PUBLIC(xbt_node_t) xbt_graph_edge_get_target(xbt_edge_t e);
-XBT_PUBLIC(xbt_graph_t) xbt_graph_read(const char *filename, void
- * (node_label_and_data) (xbt_node_t,
- const char *,
- const char *),
- void
- * (edge_label_and_data) (xbt_edge_t,
- const char *,
- const char *)
- );
-XBT_PUBLIC(void) xbt_graph_export_graphviz(xbt_graph_t g,
- const char *filename, const char
- * (node_name) (xbt_node_t), const char
- * (edge_name) (xbt_edge_t));
-XBT_PUBLIC(void) xbt_graph_export_graphxml(xbt_graph_t g,
- const char *filename, const char
- * (node_name) (xbt_node_t), const char
- * (edge_name) (xbt_edge_t),
- const char *(node_data_print) (void
- *),
- const char *(edge_data_print) (void
- *));
+typedef struct xbt_node *xbt_node_t;
+typedef struct xbt_edge *xbt_edge_t;
+typedef struct xbt_graph *xbt_graph_t;
+
+/* Node structure */
+/* Be careful of what you do with this structure */
+/* typedef struct xbt_node *xbt_node_t; */
+typedef struct xbt_node {
+ xbt_dynar_t out;
+ xbt_dynar_t in; /* not used when the graph is directed */
+ double position_x; /* positive value: negative means undefined */
+ double position_y; /* positive value: negative means undefined */
+ void *data; /* user data */
+} s_xbt_node_t;
+
+/* edge structure */
+/* Be careful of what you do with this structure */
+/* typedef struct xbt_edge *xbt_edge_t; */
+typedef struct xbt_edge {
+ xbt_node_t src;
+ xbt_node_t dst;
+ void *data; /* user data */
+} s_xbt_edge_t;
+
+/* Graph structure */
+/* Be careful of what you do with this structure */
+/* typedef struct xbt_graph *xbt_graph_t; */
+typedef struct xbt_graph {
+ xbt_dynar_t nodes;
+ xbt_dynar_t edges;
+ unsigned short int directed;
+ void *data; /* user data */
+} s_xbt_graph_t;
-/* Not implemented yet ! */
-/* void *xbt_graph_to_array(xbt_graph_t g); */
-XBT_PUBLIC(xbt_node_t *) xbt_graph_shortest_paths(xbt_graph_t g);
-
-
-
-/** @brief transforms the network structure of a directed acyclic graph given into a linear structure
- @return: an array containing the nodes of the graph sorted in order reverse to the path of exploration
- if a cycle is detected an exception is raised
- */
-
-XBT_PUBLIC(xbt_node_t *) xbt_graph_topo_sort(xbt_graph_t g);
-
-XBT_PUBLIC(xbt_edge_t *) xbt_graph_spanning_tree_prim(xbt_graph_t g);
-
-
-
-
-/** Convenient for loop : g is a graph, n a node, e an edge, b a bucket and i an item **/
+/* API */
+XBT_PUBLIC xbt_graph_t xbt_graph_new_graph(unsigned short int directed, void* data);
+XBT_PUBLIC xbt_node_t xbt_graph_new_node(xbt_graph_t g, void* data);
+XBT_PUBLIC xbt_edge_t xbt_graph_new_edge(xbt_graph_t g, xbt_node_t src, xbt_node_t dst, void* data);
+XBT_PUBLIC void* xbt_graph_node_get_data(xbt_node_t node);
+XBT_PUBLIC void xbt_graph_node_set_data(xbt_node_t node, void* data);
+XBT_PUBLIC void* xbt_graph_edge_get_data(xbt_edge_t edge);
+XBT_PUBLIC void xbt_graph_edge_set_data(xbt_edge_t edge, void* data);
-/* #define xbt_graph_foreachInNeighbor(v,n,i) \ */
-/* for(i=xbt_fifo_get_first_item((v)->in); \ */
-/* ((i)?(n=((xbt_edge_t)((xbt_fifo_get_item_content(i)) */
-/* )->src):(NULL));\ */
-/* i=xbt_fifo_get_next_item(i)) */
-/* #define xbt_graph_foreachOutNeighbor(v,n,i) \ */
-/* for(i=xbt_fifo_get_first_item((v)->out); \ */
-/* ((i)?(n=((xbt_edge_t)(xbt_fifo_get_item_content(i)))->dst):(NULL));\ */
-/* i=xbt_fifo_get_next_item(i)) */
+XBT_PUBLIC xbt_edge_t xbt_graph_get_edge(xbt_graph_t g, xbt_node_t src, xbt_node_t dst);
+XBT_PUBLIC void xbt_graph_free_graph(xbt_graph_t g, void_f_pvoid_t node_free_function,
+ void_f_pvoid_t edge_free_function, void_f_pvoid_t graph_free_function);
+XBT_PUBLIC xbt_dynar_t xbt_graph_get_nodes(xbt_graph_t g);
+XBT_PUBLIC xbt_dynar_t xbt_graph_get_edges(xbt_graph_t g);
+XBT_PUBLIC xbt_dynar_t xbt_graph_node_get_outedges(xbt_node_t n);
+XBT_PUBLIC xbt_node_t xbt_graph_edge_get_source(xbt_edge_t e);
+XBT_PUBLIC xbt_node_t xbt_graph_edge_get_target(xbt_edge_t e);
SG_END_DECL()
-#endif /* _XBT_GRAPH_H */
+#endif /* XBT_GRAPH_H */
/** @} */
