# Copyright (C) 2018 Open Networking Foundation
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

########################################################################
##
##
##        Config
##
##
TOP_DIR=`pwd`
OPENOLTDEVICE ?= asfvolt16

# OpenOLT Proto version.
# This specifies the GIT tag in https://github.com/opencord/voltha-protos
# repo that we need to refer to, to pick the right version of
# openolt.proto and tech_profile.proto
OPENOLT_PROTO_VER ?= v1.0.3

# GRPC installation
GRPC_ADDR = https://github.com/grpc/grpc
GRPC_DST = /tmp/grpc
GRPC_VER = v1.10.x

USER := $(shell echo $(USER))
#
########################################################################
##
##
##        Install prerequisites
##
##

CXX = g++-4.9
CXXFLAGS += -g -O2
CXXFLAGS += $(shell pkg-config --cflags-only-I grpc++)
CPPFLAGS += `pkg-config --cflags protobuf grpc`
CXXFLAGS += -std=c++11 -fpermissive -Wno-literal-suffix
CXXFLAGS += -DTEST_MODE -DENABLE_LOG
LDFLAGS +=
LDFLAGS += `pkg-config --libs protobuf grpc++ grpc` -ldl -lgpr
CXXFLAGSDEVICE = -I../device -I../device/$(OPENOLTDEVICE) -I../device/generic

export CXX CXXFLAGS OPENOLT_PROTO_VER

BAL_API_DIR=bal-api-3.1.0
BALLIBNAME=bcm_host_api_stubs
BALLIBDIR=$(BAL_API_DIR)/stubs
BAL_INC = -I$(BAL_API_DIR)/include \
          -I$(BAL_API_DIR)/include/object_model
CXXFLAGS += $(BAL_INC)


prereq:
	sudo apt-get -q -y install git pkg-config build-essential autoconf libtool libgflags-dev libgtest-dev clang libc++-dev unzip docker.io
	sudo apt-get install -y build-essential autoconf libssl-dev gawk debhelper dh-systemd init-system-helpers curl cmake ccache g++-4.9

	# Install GRPC, libprotobuf and protoc
	rm -rf $(GRPC_DST)
	git clone -b $(GRPC_VER) $(GRPC_ADDR) $(GRPC_DST)
	cd $(GRPC_DST) && git submodule update --init
	cd $(GRPC_DST)/third_party/protobuf && ./autogen.sh && ./configure
	make -C $(GRPC_DST)/third_party/protobuf
	sudo make -C $(GRPC_DST)/third_party/protobuf install
	sudo ldconfig
	make -C $(GRPC_DST)
	sudo make -C $(GRPC_DST) install
	sudo ldconfig

prereq-mock-lib: gtest cmock

gtest:
	# Install gtest and gmock
	rm -rf /tmp/googletest && cd /tmp && git clone https://github.com/google/googletest.git
	cd /tmp/googletest && git checkout release-1.8.0
	cd /tmp/googletest && cmake CMakeLists.txt
	make -C /tmp/googletest
	sudo make -C /tmp/googletest install

cmock:
	# Install c-mock
	rm -rf /tmp/C-Mock && cd /tmp && git clone https://github.com/hjagodzinski/C-Mock.git
	cd /tmp/C-Mock && git checkout 0207b3026f04bbdf0bd9d9f8dfd00945a4318251
	make -C /tmp/C-Mock
	sudo make -C /tmp/C-Mock install

########################################################################
##
##
##        build
##
##

.DEFAULT_GOAL := all

.PHONY = bcm_host_api_stubs libopenoltapi.a libopenolt.a build clean

all: bcm_host_api_stubs libopenoltapi.a libopenolt.a build

# test
TEST_OPENOLT_LIB_DIR=./lib
TEST_BIN=test_openolt
# The below way of getting source files is not working
#TEST_SRCS = $($(filter-out src/bal_stub.cc, $(wildcard src/*.cc)))
TEST_SRCS = src/main_test.cc src/bal_mocker.cc src/test_enable_olt.cc
TEST_OBJS = $(TEST_SRCS:.cc=.o)
build: $(TEST_OBJS)
	$(CXX) $(shell cmock-config --libs) -L$(TEST_OPENOLT_LIB_DIR) -L/usr/lib/ -I/usr/include -I./inc -o $(TEST_BIN) $(TEST_OBJS) -lgmock -lgtest -lopenolt -lopenoltapi  $(LDFLAGS)
src/%.o: src/%.cc
	$(CXX) $(CXXFLAGS) $(CXXFLAGSDEVICE) -I./inc -I../common -I/usr/include -c $< -o $@


# bcm_host_api_stubs
BAL_API_DIR=bal-api-3.1.0
bcm_host_api_stubs: 
	# TODO: There is temporary hack below to introduce the definition of bcmos_mutex.
	# This should ideally come as part of bal-api-3.1.0
	if [ -d $(BAL_API_DIR) ]; then \
		echo "$(BAL_API_DIR) exists"; \
	else \
		git clone https://github.com/balapi/bal-api-3.1.0.git ;\
        sed -i "\$$i #define BCMOLT_TM_QUEUE_KEY_TM_Q_SET_ID_DEFAULT 0" ./bal-api-3.1.0/include/bcmos_system.h; \
        sed -i "\$$i struct bcmos_mutex \{ pthread_mutex_t m; };" ./bal-api-3.1.0/include/bcmos_system.h; \
	fi

# openoltapi
OPENOLT_PROTOS_DIR = ../../protos
OPENOLT_API_LIB = $(OPENOLT_PROTOS_DIR)/libopenoltapi.a
CXXFLAGS += -I$(OPENOLT_PROTOS_DIR) -I$(OPENOLT_PROTOS_DIR)/googleapis/gens
libopenoltapi.a:
	make -C $(OPENOLT_PROTOS_DIR) all
	mkdir -p lib
	cp $(OPENOLT_PROTOS_DIR)/$@ lib/
libproto-clean:
	make -C $(OPENOLT_PROTOS_DIR) clean

# openolt
OPENOLT_SRCS = $(wildcard ../src/*.cc) ../common/server.cc $(wildcard ../device/$(OPENOLTDEVICE)/*.cc) src/bal_stub.cc
OPENOLT_OBJS = $(OPENOLT_SRCS:.cc=.o)
libopenolt.a: $(OPENOLT_OBJS)
	mkdir -p lib
	ar cr lib/$@ $^
	ranlib lib/$@
../common/%.o: ../common/%.cc
	$(CXX) $(CXXFLAGS) $(CXXFLAGSDEVICE) -I../common -I./inc -I./device/$(OPENOLTDEVICE) -c $< -o $@
../src/%.o: ../src/%.cc
	$(CXX) $(CXXFLAGS) $(CXXFLAGSDEVICE) -I../common -I./inc -I./device/$(OPENOLTDEVICE) -c $< -o $@
src/%.o: src/%.cc
	$(CXX) $(CXXFLAGS) $(CXXFLAGSDEVICE) -I../common -I./inc -I./device/$(OPENOLTDEVICE) -c $< -o $@
../device/$(OPENOLTDEVICE)/%.o: ../device/$(OPENOLTDEVICE)/%.cc
	$(CXX) $(CXXFLAGS) $(CXXFLAGSDEVICE) -I../common -I./inc -I./device/$(OPENOLTDEVICE) -c $< -o $@

test: all
	./test_openolt --gtest_output="xml:./test_openolt_report.xml"

clean:
	rm -f src/*.o lib/*.a ../src/*.o ../common/*.o ./test_openolt  ./test_openolt_report.xml