Hi Steve, Recent versions of osrm-backend build a library which you can link against. See https://github.com/Project-OSRM/node-osrm/ for an example.
cheers, John On Fri, Nov 7, 2014 at 7:13 AM, Stephen Woodbridge <wood...@swoodbridge.com> wrote: > Hi, > > I seem to remember a while back that there was a discussion about the > possibility to embed the OSRM routing engine at the code level rather than > doing HTTP requests to a server. > > I now find myself in a position that this would be desirable to do. I have > a small coverage area like a city, but I'm getting killed by the overhead > of formatting requests as strings, making a socket connection to > osrm-routed, parsing the responses, etc. Making local requests my server > this is taking 4-500 ms per request. > > Basically, I'm doing viaroute requests with 2-100 via points. 99% of the > time all I need to know is the travel time. > > Since I'm developing in C++, I thought it might be easy and much faster to > instantiate the routing engine and then have a simple interface where I can > pass a container of points and get back the travel time for that route > and/or the path coordinates. But I could live without the coordinates if I > had to. > > Has anyone done this already? Can you share? > > I have started digging through the source to see if I can do this, but > working my way in from osrm-routed or Tools/simpleclient.cpp the code is > very entangled with all the http request/response stuff that I would > ideally like to avoid. So far the most promising path looks like using some > variant of the simpleclient, but its not obvious if or how to untangle all > the json stuff and simply return a struct or class to the caller without > that. I spent most of yesterday, digging through this and made a lot of > progress just understanding simpleclient and getting ti to compile and work > and get it to actual return results using a shared memory connection. > > A little help in this direction would be appreciated. > > Thanks, > -Steve > > _______________________________________________ > OSRM-talk mailing list > OSRM-talk@openstreetmap.org > https://lists.openstreetmap.org/listinfo/osrm-talk >
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