FlowTracer.hpp

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// SPDX-License-Identifier: Apache-2.0

 
#pragma once
#include <openswmm/engine/openswmm_trace.h>
#include <string>
#include <vector>
 
namespace openswmm::trace {
struct Node {
    std::string id;
    int type{}, flags{};
};
struct Link {
    std::string id;
    int from{}, to{}, type{};
    double length{};
};

class FlowTracer {
public:
    std::vector<Node> nodes;
    std::vector<Link> links;
    std::vector<SWMM_TraceNodeAverage> na;
    std::vector<SWMM_TraceLinkAverage> la;
    SWMM_TraceOptions options{};
    SWMM_TraceInfo info{};
    std::string error;
    bool prepared = false;
    int derive();
    int prepare(const char* path, const char* cache, const char* digest, SWMM_TraceProgress cb,
                void* user, bool live = false);
    int estimate(int direction, int seed, SWMM_TraceValue* nv, SWMM_TraceValue* lv,
                 SWMM_TraceSummary& summary, SWMM_TraceProgress cb, void* user);
    std::string cacheKey(const char* digest) const;
    bool readCache(const char* path, const std::string& key);
    bool writeCache(const char* path, const std::string& key);
};
} // namespace openswmm::trace