Code for https://github.com/neomantra/lua_ipython_kernel/issues/2

Dockerfile.lua_ipython_kernel

# Builds lua_ipython_kernel on centos

ARG IMAGE_BASE="centos"
ARG IMAGE_TAG="7"

FROM ${IMAGE_BASE}:${IMAGE_TAG}

RUN yum install -y \
        epel-release \
    && yum install -y \
        cmake \
        gcc \
        gcc-c++ \
        gcc-devel \
        git \
        libtool \
        make \
        openssl-devel \
        pkgconfig \
        python-pip \
        readline-devel \
        tar \
        unzip \
        uuid-devel \
    && yum clean all


ARG LIBSODIUM_VERSION="1.0.16"

RUN curl -L https://download.libsodium.org/libsodium/releases/libsodium-${LIBSODIUM_VERSION}.tar.gz  | tar zx \
    && cd libsodium-${LIBSODIUM_VERSION} \
    && ./configure \
    && make clean \
    && make \
    && make install \
    && cd .. \
    && rm -rf libsodium-${LIBSODIUM_VERSION}

ARG ZMQ_VERSION="4.1.4"

RUN curl -L https://archive.org/download/zeromq_${ZMQ_VERSION}/zeromq-${ZMQ_VERSION}.tar.gz | tar zx \
    && cd zeromq-${ZMQ_VERSION} \
    && PKG_CONFIG_PATH=/usr/local/lib/pkgconfig ./configure \
    && make \
    && make install \
    && cd .. \
    && rm -rf zeromq-${ZMQ_VERSION} 

ARG LUAJIT_VERSION="2.1.0-beta3"

RUN curl -L http://luajit.org/download/LuaJIT-${LUAJIT_VERSION}.tar.gz | tar zx \
    && cd LuaJIT-${LUAJIT_VERSION} \
    && make \
    && make install \
    && cd .. \
    && rm -rf LuaJIT-${LUAJIT_VERSION} \
    && ln -sf /usr/local/bin/luajit-2.1.0-beta3 /usr/local/bin/luajit 

ARG LUAROCKS_VERSION="2.4.3"

RUN curl -fSL https://github.com/luarocks/luarocks/archive/${LUAROCKS_VERSION}.tar.gz -o luarocks-${LUAROCKS_VERSION}.tar.gz \
    && tar xzf luarocks-${LUAROCKS_VERSION}.tar.gz \
    && cd luarocks-${LUAROCKS_VERSION} \
    && ./configure \
        --lua-suffix=jit-${LUAJIT_VERSION} \
        --with-lua-include=/usr/local/include/luajit-2.1 \
    && make build \
    && make install \
    && cd /tmp \
    && rm -rf luarocks-${LUAROCKS_VERSION} luarocks-${LUAROCKS_VERSION}.tar.gz

ADD  lua-zmq.patch.1 /lua-zmq.patch.1 

# Patch is required to fix these two distinct issues:
#   https://github.com/zeromq/cppzmq/issues/40
#   https://github.com/openresty/lua-cjson/issues/21
RUN git clone git://github.com/Neopallium/lua-zmq.git \
    && cd lua-zmq \
    && git apply /lua-zmq.patch.1 \
    && mkdir build && cd build \
    && PKG_CONFIG_PATH=/usr/local/lib/pkgconfig cmake -DLUA_INCLUDE_DIR=/usr/local/include/luajit-2.1 .. \
    && make \
    && make install

RUN luarocks install dkjson \
    && luarocks install uuid \

lua-zmq.patch.1

diff --git a/src/pre_generated-zmq.nobj.c b/src/pre_generated-zmq.nobj.c
index 8297f96..1188a38 100644
--- a/src/pre_generated-zmq.nobj.c
+++ b/src/pre_generated-zmq.nobj.c
@@ -21,6 +21,7 @@
 #endif
 
 /* some Lua 5.1 compatibility support. */
+#if 0
 #if !defined(LUA_VERSION_NUM) || (LUA_VERSION_NUM == 501)
 /*
 ** Adapted from Lua 5.2.0
@@ -43,6 +44,7 @@ static void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
 
 #define lua_rawlen(L, idx) lua_objlen(L, idx)
 
+#endif
 #endif
 
 #if LUA_VERSION_NUM == 502
@@ -5825,6 +5827,14 @@ typedef struct ZMQ_recv_event {
 	const char *err;
 } ZMQ_recv_event;
 
+
+/*  Socket event data  */
+typedef struct {
+    uint16_t event;  // id of the event as bitfield
+    int32_t  value ; // value is either error code, fd or reconnect interval
+} zmq_event_t;
+
+
 int monitor_recv_event(ZMQ_Socket *s, zmq_msg_t *msg, int flags, ZMQ_recv_event *ev)
 {
 	int rc ;