_run.sh

#!/bin/bash

#################"""  TTTTTTTTTOOOOOOOOOOOODDDDDDDDDDOOOOOOOOOO "###############
# DEPENDENCY PACKAGES : "libxtst6", "libxi6"

#########################################
#                                       #
#     Global variables: definitions     #
#                                       #
#########################################


entry_point=ibcalpha.ibc.IbcGateway

ibg_path="$g_path/modules/ibg"
tws_settings_path="$ibg_path/Jts"
	mkdir -p "$tws_settings_path" # Make sure the settings dir exists
ibc_ini="$l_dir/_IBconfig.ini"

java_path="$ibg_path/jre/bin"
jars="$ibg_path/jars"
install4j="$ibg_path/.install4j"

vmoptions_source="$ibg_path/ibgateway.vmoptions"


# errorlevel set by IBC if second factor authentication dialog times out and
# ExitAfterSecondFactorAuthenticationTimeout setting is true
let E_2FA_DIALOG_TIMED_OUT=$((1111 % 256))

# errorlevel set by IBC if login dialog is not displayed within the time
# specified in the LoginDialogDisplayTimeout setting
E_LOGIN_DIALOG_DISPLAY_TIMEOUT=$((1112 % 256))


generate_ini() {
	#########################################
	#                                       #
	#    Generate the IBC.ini config file   #
	#                                       #
	#########################################

	json_file="$l_dir/IBconfig.json"
	# Check if the JSON file exists
	if [ ! -f "$json_file" ]; then
		echo "Error: IBC JSON config file not found at $json_file"
		exit 1
	fi

	# Extract customizable ("internal"=false) setting-value pairs and write them in the .init file
	jq -r '
	def extract_pairs:
		to_entries
		| map(
			if .value | type == "object" and has("value") and (.internal == false) then
			"\(.key)=\(.value.value)"
			elif .value | type == "object" or type == "array" then
			.value | extract_pairs
			else
			empty
			end
		)
		| .[];

	extract_pairs
	' "$json_file" > "$ibc_ini"

	# Check proper generation of .ini file
	if [ ! -f "$ibc_ini" ]; then
		echo "Error: $ibc_ini file not generated properly."
		exit 1
	fi

	# Implement the internal settings
 	jq -r '
 	def extract_internal_settings:
 		to_entries
 		| map(
 			if .value | type == "object" and has("default") and (.internal == true) then
 			  "\(.key)=\(.value.default)"
 			elif .value | type == "object" or type == "array" then
 			  .value | extract_internal_settings
 			else
 			  empty
 			end
 		)
 		| .[];

 	extract_internal_settings
 	' "$json_file" | while IFS='=' read -r key default_value; do
  	    eval "value=\"$default_value\""
 		echo "$key=$value" >> "$ibc_ini"
 	done
}


run_ibg() {
	generate_ini


	#########################################
	#                                       #
	#        Construct the classpath        #
	#                                       #
	#########################################


	declare ibc_classpath

	for jar in "${jars}"/*.jar; do
		if [[ -n "${ibc_classpath}" ]]; then
			ibc_classpath="${ibc_classpath}:"
		fi
		ibc_classpath="${ibc_classpath}${jar}"
	done

	ibc_classpath="${ibc_classpath}:$install4j/i4jruntime.jar:${l_dir}/IBC.jar"


	########################################
	#                                      #
	#     Generate the JAVA VM options     #
	#                                      #
	########################################


	declare -a vm_options

	index=0
	while read line; do
		if [[ -n ${line} && ! "${line:0:1}" = "#" && ! "${line:0:2}" = "-D" ]]; then
			vm_options[$index]="$line"
			((index++))
		fi
	done <<< $(cat ${vmoptions_source})

	java_vm_options=${vm_options[*]}
	java_vm_options="$java_vm_options -Dtwslaunch.autoupdate.serviceImpl=com.ib.tws.twslaunch.install4j.Install4jAutoUpdateService"
	java_vm_options="$java_vm_options -Dchannel=latest"
	java_vm_options="$java_vm_options -Dexe4j.isInstall4j=true"
	java_vm_options="$java_vm_options -Dinstall4jType=standalone"
	java_vm_options="$java_vm_options -DjtsConfigDir=${tws_settings_path}"
	java_vm_options="$java_vm_options -DinstallDir=${ibg_path}"

	ibc_session_id=$(mktemp -u XXXXXXXX)
	java_vm_options="$java_vm_options -Dibcsessionid=$ibc_session_id"



	########################################
	#                                      #
	#       Auto-restart handling          #
	#                                      #
	########################################

	find_auto_restart() {
		local autorestart_path=""
		local f=""
		restarted_needed=
		for i in $(find $tws_settings_path -type f -name "autorestart"); do
			local x=${i/$tws_settings_path/}
			local y=$(echo $x | xargs dirname)/.
			local e=$(echo "$y" | cut -d/ -f3)
			if [[ "$e" = "." ]]; then
				if [[ -z $f ]]; then
					f="$i"
					echo "autorestart file found at $f"
					autorestart_path=$(echo "$y" | cut -d/ -f2)
				else
					autorestart_path=
					echo "WARNING: deleting extra autorestart file found at $i"
					rm $i
					echo "WARNING: deleting first autorestart file found"
					rm $f
				fi
			fi
		done

		if [[ -z $autorestart_path ]]; then
			if [[ -n $f ]]; then
				echo "*******************************************************************************"
				echo "WARNING: More than one autorestart file was found. IBC can't determine which is"
				echo "         the right one, so they've all been deleted. Full authentication will"
				echo "         be required."
				echo
				echo "         If you have two or more TWS/Gateway instances with the same setting"
				echo "         for TWS_SETTINGS_PATH, you should ensure that they are configured with"
				echo "         different autorestart times, to avoid creation of multiple autorestart"
				echo "         files."
				echo "*******************************************************************************"
				echo
				restarted_needed=yes
			else
				echo "autorestart file not found"
				echo
				restarted_needed=
			fi
		else
			echo "AUTORESTART_OPTION is -Drestart=${autorestart_path}"
			autorestart_option=" -Drestart=${autorestart_path}"
			restarted_needed=yes
		fi
	}

	find_auto_restart


	########################################
	#                                      #
	#               Main loop              #
	#                                      #
	########################################

	_run_ibg() {
		while :; do
			echo -e "\n\n\n\n\n -------------------------------------------- \n ---------- MAIN LOOP ---------- \n ---------------------------------------------------------- \n\n\n\n\n"
			# forward signals (see https://veithen.github.io/2014/11/16/sigterm-propagation.html)
			trap 'kill -TERM $PID' TERM INT

			"$java_path/java" -cp "$ibc_classpath" $java_vm_options$autorestart_option $entry_point $ibc_ini ${mode} &

			PID=$!
			wait $PID
			trap - TERM INT
			wait $PID

			exit_code=$(($? % 256))
			echo "IBC returned exit status $exit_code"

			if [[ $exit_code -eq $E_LOGIN_DIALOG_DISPLAY_TIMEOUT ]]; then
				:
			elif [[ -e "${tws_settings_path}/COLDRESTART$ibc_session_id" ]]; then
				rm "${tws_settings_path}/COLDRESTART$ibc_session_id"
				autorestart_option=
				echo "IBC will cold-restart shortly"
			else
				find_auto_restart
				if [[ -n $restarted_needed ]]; then
					restarted_needed=
					# restart using the TWS/Gateway-generated autorestart file
					:
				elif [[ $exit_code -ne $E_2FA_DIALOG_TIMED_OUT  ]]; then
					break;
				elif [[ ${twofa_to_action_upper} != "RESTART" ]]; then
					break;
				fi
			fi

			# wait a few seconds before restarting
			echo "IBC will restart shortly"
			echo sleep 2
		done
	}

	# Global variable storing the xvfb display number
	_current_xvfb_display_=
	source "$l_dir/scripts/xvfb-functions.sh"
	start_xvfb
	export DISPLAY=":$_current_xvfb_display_"
	echo "[DEBUG] DISPLAY was set to $DISPLAY"

	# prevent other Java tools interfering with IBC
	_JAVA_TOOL_OPTIONS=$JAVA_TOOL_OPTIONS
	JAVA_TOOL_OPTIONS=

	pushd "$tws_settings_path" > /dev/null

	_run_ibg

	popd > /dev/null

	JAVA_TOOL_OPTIONS=$_JAVA_TOOL_OPTIONS

	stop_xvfb $_current_xvfb_display_

	exit $exit_code
}


run_ibg