Hi Wilfried Mestdagh Thank you for your replay. I have understand the structure of the packet .But I can NOT set lineEnd to #FA, it auto change to #0. What can I do ? Thanks
sunxiao At 2016-12-29 18:15:03, "Wilfried Mestdagh" <wilfr...@mestdagh.biz> wrote: >Hi, > >Mostly when there is data packet of several length there is a length >byte, or a packet type where you can see what kind of data it is (and >the length of it). In the first case I see 21 as second byte and the >packet you show is 33 long. So probably 21 is the length. In that case >you check second byte to know how mutch to receive. > >If all packets start with the same byte then you can set start byte as >LineEnd, but then you receive only a package when next package is >arrived. Of course the byte (or sequence) may not be in the data >(normally it is never). > >Met vriendelijke groeten, >Wilfried Mestdagh > >Op 29-12-16 om 08:12 schreef sxbug: >> Hi sir: >> My Clients are some GPRS moudle, they send some HEX data,like : FA 21 02 FF >> 00 13 20 00 08 FF AA 55 00 00 00 00 00 00 00 00 00 00 00 13 00 00 00 01 FF >> FF FF F6 00 >> >> >> I found OverbyteICSTcpSrv.dpr can achieve my need. but it only recieve >> string include #13#10. How can I deal with ? >> Thank you !!! >> >> >> >> >> sun xiao >> >> >> >> >> >> >> >> >> At 2016-12-28 17:54:36, "François Piette" <francois.pie...@skynet.be> wrote: >>>> 1, wsocketServer can achieve this function? >>> As its name implies, TWSocketerver is the component you'll use at the server >>> side (The one waiting for connections from client). >>> You shall use TWSocket at client side (The one which initiate the connection >>> to the server). >>> >>>> 2, need to use linemode? Its lineEnd how to set? Do not set up, wrong, how >>> to deal with? >>> >>> You shall use LineMode if and only if the messages you send are ALL >>> terminated by the same characters (One of more, default is CR LF pair). >>> You set LineMode Boolean property to change the behavior. >>> >>>> 3, need to enable MulitiThreaded? >>> You shall probably not use multithread. ICS components multitask without the >>> need of multithread. You'll only need multithreading if you have lengthy >>> computation or length database (or similar) access. >>> >>>> 4,How do WSocketServer receive data ,Is it by ClientDataAvailable? >>> TWSocketServer by itself doesn't receive any data, it waits for client >>> connection. When one client is connecting, TWSocketServer instanciate a >>> TWSocket to handle that particular client communication. >>> >>> Have a look at OverbyteIcsSrvTcp.dpr, OverbyteIcsTcpSrv.dpr or >>> OverbyteIcsTnSrv.dpr projects if you build a GUI server, or >>> OverbyteIcsSrvTcp.dpr project if you build a service for the server. >>> >>> Have a look at OverbyteIcsClient7.dpr project to start your client prject. >>> >>> Seasons greetings, >>> -- >>> francois.pie...@overbyte.be >>> The author of the freeware multi-tier middleware MidWare >>> The author of the freeware Internet Component Suite (ICS) >>> http://www.overbyte.be >>> >>> >>> >>> -----Message d'origine----- >>> De : TWSocket [mailto:twsocket-boun...@lists.elists.org] De la part de sxbug >>> Envoyé : mercredi 28 décembre 2016 08:12 >>> À : twsoc...@elists.org >>> Objet : [twsocket] I want to receive bin string by wsocketserver >>> >>> Sir, thank you for your great works. >>> I want to receive/send binary string by WSocketServer. My client is a GPRS . >>> 1, the send string is binary data , its length maybe 10 byte, 17 byte, 24 >>> byte, and 40byte etc. >>> 2, the send data began as 16 hexadecimal fixed: FA 21 >>> 3, the end of the data's character is arbitrary . >>> 4, after receiving data, do some data analysis, and write some msg to >>> database. >>> >>> >>> There are a few questions to consult ICS Component, >>> 1, wsocketServer can achieve this function? >>> 2, need to use linemode? Its lineEnd how to set? Do not set up, wrong, how >>> to deal with? >>> 3, need to enable MulitiThreaded? >>> 4,How do WSocketServer receive data ,Is it by ClientDataAvailable? >>> >>> >>> Could you pleased give me some code for this function? >>> Thanks >>> >>> >>> Sun Xiao >>> -- >>> To unsubscribe or change your settings for TWSocket mailing list please goto >>> http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >>> Visit our website at http://www.overbyte.be >>> >>> -- >>> To unsubscribe or change your settings for TWSocket mailing list >>> please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >>> Visit our website at http://www.overbyte.be >> >> >> >> >> > >-- >To unsubscribe or change your settings for TWSocket mailing list >please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >Visit our website at http://www.overbyte.be -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be