Makefile

.PHONY: all build build-linux generate clean test run help

# Default target
all: build

# Build for current platform
build:
	go build -o packetDup .
	go build -o sender ./cmd/sender
	go build -o receiver ./cmd/receiver

# Build for Linux (cross-compile)
build-linux:
	GOOS=linux GOARCH=amd64 go build -o packetDup-linux .

# Generate eBPF code (Linux only, requires clang/llvm)
generate:
	@if [ "$$(uname)" = "Linux" ]; then \
		cd proxy/bpf && go generate; \
	else \
		echo "eBPF code generation is only supported on Linux"; \
	fi

# Clean build artifacts
clean:
	rm -f packetDup packetDup-linux sender receiver
	rm -f proxy/bpf/*.o proxy/bpf/*_bpfel.go proxy/bpf/*_bpfeb.go

# Run tests
test:
	go test ./...

# Run with default settings
run:
	go run . --engine go

# Run with eBPF engine (Linux only)
run-ebpf:
	@if [ "$$(uname)" = "Linux" ]; then \
		sudo go run . --engine ebpf; \
	else \
		echo "eBPF engine is only supported on Linux"; \
	fi

# Install dependencies
deps:
	go mod tidy
	go mod download

# Install eBPF dependencies (Linux only)
deps-ebpf:
	@if [ "$$(uname)" = "Linux" ]; then \
		go get github.com/cilium/ebpf; \
		go get github.com/cilium/ebpf/cmd/bpf2go; \
	else \
		echo "eBPF dependencies are only needed on Linux"; \
	fi

# Help
help:
	@echo "PacketDup Makefile"
	@echo ""
	@echo "Usage:"
	@echo "  make build       - Build for current platform"
	@echo "  make build-linux - Cross-compile for Linux"
	@echo "  make generate    - Generate eBPF code (Linux only)"
	@echo "  make clean       - Remove build artifacts"
	@echo "  make test        - Run tests"
	@echo "  make run         - Run with Go engine"
	@echo "  make run-ebpf    - Run with eBPF engine (Linux, requires sudo)"
	@echo "  make deps        - Install Go dependencies"
	@echo "  make deps-ebpf   - Install eBPF dependencies (Linux only)"
	@echo "  make help        - Show this help"