Eddie, thanks very much! I think that's the problem. I have fixed it.
On Sat, Mar 28, 2009 at 8:08 AM, Eddie Kohler <koh...@cs.ucla.edu> wrote: > Xiaojun your class is not an element since it does not inherit from "class > Element", and your .cc file does not #include <click/config.h> > > E > > > > Xiaojun Feng wrote: > >> I am using an open source click element and it works very well. >> >> Now I want to add a new member variable to the elememt. >> >> I define a new class in the file packetsrc.hh: >> >> #ifndef PACKETSRC_HH >> #define PACKETSRC_HH >> >> CLICK_DECLS >> >> class PacketSrc { // line 6 >> public: >> bool addPacket(char* data); >> >> PacketSrc(); >> ~PacketSrc(); >> >> private: >> char* packetdata; >> >> }; >> >> CLICK_ENDDECLS // line 18 >> >> #endif //PACKETSRC_H >> >> and the implementation in packetsrc.cc: >> >> #include "packetsrc.hh" >> >> CLICK_DECLS >> >> PacketSrc::PacketSrc() {} >> PacketSrc::~PacketSrc() {} // line 6 >> >> bool PacketSrc::addPacket(char* data) // line 8 >> { >> return false; >> } >> >> CLICK_ENDDECLS // line 13 >> ELEMENT_PROVIDES(PacketSrc) >> >> Then I use make elemlist to update the element.conf. >> But after 'make', there are several errors: >> >> CXX ../elements/local/packetsrc.cc >> In file included from ../elements/local/packetsrc.cc:1: >> ../elements/local/packetsrc.hh:6: error: expected constructor, destructor, >> or type conversion before ‘class’ >> ../elements/local/packetsrc.hh:18: error: ‘CLICK_ENDDECLS’ does not name a >> type >> ../elements/local/packetsrc.cc:6: error: expected constructor, destructor, >> or type conversion before ‘::’ token >> ../elements/local/packetsrc.cc:8: error: ‘PacketSrc’ has not been declared >> ../elements/local/packetsrc.cc:8: warning: unused parameter ‘data’ >> ../elements/local/packetsrc.cc:13: error: ‘CLICK_ENDDECLS’ does not name a >> type >> make[1]: *** [packetsrc.o] Error 1 >> make[1]: Leaving directory >> `/media/work/fightfxj/thesis/linux_program/click-1.6.0/userlevel' >> make: *** [userlevel] Error 2 >> >> How does the first error happen? Did I do anything wrong to define the >> class >> PacketSrc? >> I am just beginning to learn Click, maybe the question is kind of naive. >> >> So every comment will be helpful to me. >> Thanks very much! >> >> -- Xiaojun Feng _______________________________________________ click mailing list click@amsterdam.lcs.mit.edu https://amsterdam.lcs.mit.edu/mailman/listinfo/click