trsp_driver.h File Reference

#include <stddef.h>
#include "c_types/trsp_types.h"
#include "c_types/pgr_edge_t.h"
#include "c_types/restriction_t.h"
#include "c_types/general_path_element_t.h"

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Functions
void	do_trsp (pgr_edge_t *edges, size_t edge_count, Restriction_t *restrictions, size_t restrictions_size, int64_t *start_vidsArr, size_t size_start_vidsArr, int64_t *end_vidsArr, size_t size_end_vidsArr, bool directed, General_path_element_t **return_tuples, size_t *return_count, char **log_msg, char **notice_msg, char **err_msg)

Function Documentation

do_trsp()

void do_trsp	(	pgr_edge_t *	edges,
		size_t	edge_count,
		Restriction_t *	restrictions,
		size_t	restrictions_size,
		int64_t *	start_vidsArr,
		size_t	size_start_vidsArr,
		int64_t *	end_vidsArr,
		size_t	size_end_vidsArr,
		bool	directed,
		General_path_element_t **	return_tuples,
		size_t *	return_count,
		char **	log_msg,
		char **	notice_msg,
		char **	err_msg
	)

Definition at line 41 of file trsp_driver.cpp.

                        {
    std::ostringstream log;
    std::ostringstream err;
    std::ostringstream notice;
    try {
        pgassert(*return_tuples == NULL);
        pgassert(*return_count == 0);
        pgassert(*log_msg == NULL);
        pgassert(*notice_msg == NULL);
        pgassert(*err_msg == NULL);
 
        std::vector<pgrouting::trsp::Rule> ruleList;
        for (size_t i = 0; i < restrictions_size; ++i) {
            ruleList.push_back(pgrouting::trsp::Rule(*(restrictions + i)));
        }
 
        /*
         * Inserting vertices into a c++ vector structure
         */
        std::vector<int64_t>
            sources(start_vidsArr, start_vidsArr + size_start_vidsArr);
        std::vector< int64_t >
            targets(end_vidsArr, end_vidsArr + size_end_vidsArr);
 
        /*
         * ordering and removing duplicates
         */
        std::sort(sources.begin(), sources.end());
        sources.erase(
                std::unique(sources.begin(), sources.end()),
                sources.end());
 
        std::sort(targets.begin(), targets.end());
        targets.erase(
                std::unique(targets.begin(), targets.end()),
                targets.end());
 
 
 
        pgrouting::trsp::Pgr_trspHandler gdef(
                edges,
                total_edges,
                directed,
                ruleList);
 
        auto paths = gdef.process(
                sources,
                targets);
 
 
        size_t count(0);
        count = count_tuples(paths);
 
        if (count == 0) {
            (*return_tuples) = NULL;
            (*return_count) = 0;
            return;
        }
 
        (*return_tuples) = pgr_alloc(count, (*return_tuples));
        (*return_count) = collapse_paths(return_tuples, paths);
 
 
        *log_msg = log.str().empty()?
            *log_msg :
            pgr_msg(log.str().c_str());
        *notice_msg = notice.str().empty()?
            *notice_msg :
            pgr_msg(notice.str().c_str());
 
        return;
    } catch (AssertFailedException &except) {
        (*return_tuples) = pgr_free(*return_tuples);
        (*return_count) = 0;
        err << except.what();
        *err_msg = pgr_msg(err.str().c_str());
        *log_msg = pgr_msg(log.str().c_str());
    } catch (std::exception &except) {
        (*return_tuples) = pgr_free(*return_tuples);
        (*return_count) = 0;
        err << except.what();
        *err_msg = pgr_msg(err.str().c_str());
        *log_msg = pgr_msg(log.str().c_str());
    } catch(...) {
        (*return_tuples) = pgr_free(*return_tuples);
        (*return_count) = 0;
        err << "Caught unknown exception!";
        *err_msg = pgr_msg(err.str().c_str());
        *log_msg = pgr_msg(log.str().c_str());
    }
}

References collapse_paths(), count_tuples(), pgassert, pgr_alloc(), pgr_free(), pgr_msg(), pgrouting::trsp::Pgr_trspHandler::process(), and AssertFailedException::what().

Referenced by compute_trsp().