X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1d2f05c1a2fbdc662e0eb9ad8e2dd7f7e6f7986c..9361ad5f13f67578120a74bbbfba718292084cdb:/include/xbt/graph.h diff --git a/include/xbt/graph.h b/include/xbt/graph.h index 310d7a2d2c..8a68dac46b 100644 --- a/include/xbt/graph.h +++ b/include/xbt/graph.h @@ -12,49 +12,75 @@ #include "xbt/dynar.h" SG_BEGIN_DECL() -typedef struct xbt_node *xbt_node_t; + /** @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; +typedef struct xbt_graph *xbt_graph_t; /* API */ -xbt_graph_t xbt_graph_new_graph(unsigned short int directed, void *data); -xbt_node_t xbt_graph_new_node(xbt_graph_t g, void *data); -xbt_edge_t xbt_graph_new_edge(xbt_graph_t g, xbt_node_t src, xbt_node_t dst, +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); -void xbt_graph_edge_set_length(xbt_edge_t e, double length); -double xbt_graph_edge_get_length(xbt_edge_t e); -double* xbt_graph_get_length_matrix(xbt_graph_t g); +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); -void xbt_graph_free_node(xbt_graph_t g, xbt_node_t n, - void_f_pvoid_t *free_function); -void xbt_graph_free_edge(xbt_graph_t g, xbt_edge_t e, +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); -void xbt_graph_free_graph(xbt_graph_t g, +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_dynar_t xbt_graph_get_nodes(xbt_graph_t g); -xbt_dynar_t xbt_graph_get_edges(xbt_graph_t g); -xbt_node_t xbt_graph_edge_get_source(xbt_edge_t e); -xbt_node_t xbt_graph_edge_get_target(xbt_edge_t e); -xbt_graph_t xbt_graph_read(const char *filename); +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 *)); /* Not implemented yet ! */ -void xbt_export_graphviz(xbt_graph_t g, const char *filename, - const char *(node_name)(xbt_node_t), - const char *(edge_name)(xbt_edge_t) - ); +/* void *xbt_graph_to_array(xbt_graph_t g); */ +XBT_PUBLIC xbt_node_t* xbt_graph_shortest_paths(xbt_graph_t g); -void xbt_graph_export_surfxml(xbt_graph_t g, - const char *filename, - const char *(node_name)(xbt_node_t), - const char *(edge_name)(xbt_edge_t) - ); -/* void *xbt_graph_to_array(xbt_graph_t g); */ -xbt_node_t* xbt_graph_shortest_paths(xbt_graph_t g); -void xbt_graph_topological_sort(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_node_t* xbt_graph_topo_sort(xbt_graph_t g); + +xbt_edge_t* xbt_graph_spanning_tree_prim(xbt_graph_t g); @@ -76,7 +102,7 @@ void xbt_graph_topological_sort(xbt_graph_t g); SG_END_DECL() #endif /* _XBT_GRAPH_H */ - +/** @} */