xmrig-bash-scripts/functions.sh

#!/bin/bash

build_xmrig () {
        if [ -d $_XMRIG_BUILD_LOCATION ]; then
                # Remove existing build directory
                rm -rf $_XMRIG_BUILD_LOCATION

                # Make new build directory
                mkdir $_XMRIG_BUILD_LOCATION
        else
                # Make new build directory
                mkdir $_XMRIG_BUILD_LOCATION
        fi

        # Change to build directory
        cd $_XMRIG_BUILD_LOCATION

        # Configure cmake scafolding
        cmake .. -DCMAKE_C_COMPILER=gcc-7 -DCMAKE_CXX_COMPILER=g++-7

        # Compile the software
        make
}


start_xmrig () {
        screen -dmS $_XMRIG_SCREEN xmrig --config=$_XMRIG_CONFIG_LOCATION
}


stop_xmrig () {
        screen -S $_XMRIG_SCREEN -X kill
}

check_cpu () {
	# Check if CPU supports AES-NI
	cpuid | grep -i aes > hw-aes.txt
	if grep -q true "hw-aes.txt"; then
        	_AES_NI=true
	else
        	_AES_NI=false
	fi
	rm hw-aes.txt

	# Get number of available CPU Cores
	_ENV_CORE=$(nproc --all)

	# Get CPU L3 cache value
	_ENV_CORE_L3=$(getconf LEVEL3_CACHE_SIZE)
}

calc_threads () {

	# Affine number of threads for _CPU_CN
	_COUNTER="$(($_ENV_CORE_THREADS - 1))"
	_ENV_CPU_THREADS=()

	for i in `seq 0 $_COUNTER`; do
        	_ENV_CPU_THREADS+=("$i")
	done

	_ENV_CPU_THREAD_AFFINITY="$_ENV_CPU_THREADS"

	# Setting according to cpu cores but xmrig will not use all
	# change to make value use _ENV_CORE_THREADS
	# Check that hugepages set in /etc/sysctl.conf

	_ENV_CHECK="nr_hugepages"

	if sudo grep -q $_ENV_CHECK /etc/sysctl.conf; then
       		sudo sysctl -p
	else
       		# Set value in current env
       		sudo sysctl -w vm.nr_hugepages="$_ENV_CORE"
		# Add value to sysctl
	        sudo sysctl -p
	fi

}

echo -e "FUNCTIONS LOADED\n\n"