Support for Web Sockets in addition to HTTP

[eosauthority]

Enable support for Web Sockets in addition to HTTP end point.

Requested by Syed Jafri - Cafe

[eosauthority]

Update there is a ZeroMQ plugin forked from this plugin - https://github.com/acoutts/chintai-zeromq-watcher-plugin

[pipilink]

Try to compile this plugin - https://github.com/acoutts/chintai-zeromq-watcher-plugin

[100%] Built target unit_test
/usr/local/lib/libzmq.so: undefined reference to std::__throw_out_of_range_fmt(char const*, ...)@GLIBCXX_3.4.20' /usr/local/lib/libzmq.so: undefined reference to __cxa_throw_bad_array_new_length@CXXABI_1.3.8'
collect2: error: ld returned 1 exit status
make[2]: *** [programs/nodeos/CMakeFiles/nodeos.dir/build.make:210: programs/nodeos/nodeos] Error 1
make[1]: *** [CMakeFiles/Makefile2:6422: programs/nodeos/CMakeFiles/nodeos.dir/all] Error 2
make: *** [Makefile:163: all] Error 2

    >>>>>>>>>>>>>>>>>>>> MAKE building EOSIO has exited with the above error.

[eosauthority]

@pipilink - @acoutts might be able to help. or please create a ticket on https://github.com/acoutts/chintai-zeromq-watcher-plugin

[acoutts]

@pipilink it is complaining that it can't find libzmq on your system. Please ensure you follow the dependency installation instructions to setup zmq for your system.

http://zeromq.org/intro:get-the-software