#!/bin/bash

#+--------------------------------------------------------------------------------------------
#|Description:  This shell script used download and compile MQTT C library mosquitto for ARM
#|     Author:  GuoWenxue <guowenxue@gmail.com>
#|  ChangeLog:
#|           1, Initialize 1.0.0 on 2011.04.12
#+--------------------------------------------------------------------------------------------

PREFIX_PATH=`pwd`/../install

LYFTP_SRC=http://master.weike-iot.com:2211/src/

CROSSTOOL=/opt/gcc-aarch32-10.3-2021.07/bin/arm-none-linux-gnueabihf-

function msg_banner()
{
    echo ""
    echo "+-----------------------------------------------------------------------"
    echo "|  $1 "
    echo "+-----------------------------------------------------------------------"
    echo ""
}

function check_result()
{
    if [ $? != 0 ] ; then
       echo ""
       echo "+-----------------------------------------------------------------------"
       echo "|  $1 "
       echo "+-----------------------------------------------------------------------"
       echo ""
       exit ;
    fi
}

function export_cross()
{
    # export cross toolchain
    export CC=${CROSSTOOL}gcc
    export CXX=${CROSSTOOL}g++
    export AS=${CROSSTOOL}as
    export AR=${CROSSTOOL}ar
    export LD=${CROSSTOOL}ld
    export NM=${CROSSTOOL}nm
    export RANLIB=${CROSSTOOL}ranlib
    export OBJDUMP=${CROSSTOOL}objdump
    export STRIP=${CROSSTOOL}strip

    # export cross configure 
    export CONFIG_CROSS=" --build=i686-pc-linux --host=arm-linux "

    # Clear LDFLAGS and CFLAGS
    export LDFLAGS=
    export CFLAGS=
}


function compile_mosquitto()
{
    SRC_NAME=mosquitto-1.6.4
    PACK_SUFIX=tar.gz

    if [ -f ${PREFIX_PATH}/bin/mosquitto ] ; then
        msg_banner "$SRC_NAME already compile and installed"
        return 0;
    fi

    msg_banner "Start cross compile $SRC_NAME "

    if [ ! -f ${SRC_NAME}.${PACK_SUFIX} ] ; then
        #wget https://mosquitto.org/files/source/${SRC_NAME}.${PACK_SUFIX}
        wget ${LYFTP_SRC}/${SRC_NAME}.${PACK_SUFIX}

        check_result "ERROR: download ${SRC_NAME} failure"
    fi

    tar -xzf ${SRC_NAME}.${PACK_SUFIX}
    cd ${SRC_NAME}

    export CFLAGS=-I${PREFIX_PATH}/include
    export LDFLAGS="-L${PREFIX_PATH}/lib -lcrypto -lssl -ldl -lpthread"
    export DESTDIR=${PREFIX_PATH}

    make WITH_SRV=no WITH_UUID=no
    check_result "ERROR: compile ${SRC_NAME} failure"

    make DESTDIR=${PREFIX_PATH} prefix=/ install
    cp src/mosquitto ${PREFIX_PATH}/bin
    ${STRIP} ${PREFIX_PATH}/bin/mosquitto*

    cd -
}

if [ ! -f ${PREFIX_PATH}//lib/libcrypto.a ] ; then
    cd ../openssl
    ./build.sh
    cd -
fi

export_cross

compile_mosquitto