conanfile.py

from conan import ConanFile
from conan.errors import ConanInvalidConfiguration
from conan.tools.files import apply_conandata_patches, export_conandata_patches, get, copy, collect_libs
from conan.tools.build import check_min_cppstd
from conan.tools.scm import Version
from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
import os

required_conan_version = ">=1.53.0"

class CppServer(ConanFile):
    name = "cppserver"
    description = "Ultra fast and low latency asynchronous socket server and" \
        " client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket" \
        " protocols and 10K connections problem solution."
    license = "MIT"
    url = "https://github.com/conan-io/conan-center-index"
    homepage = "https://github.com/chronoxor/CppServer"
    topics = ("network", "socket", "asynchronous", "low-latency")
    package_type = "library"
    settings = "os", "arch", "compiler", "build_type"
    options = {
        "fPIC": [True, False],
        "shared": [True, False],
    }
    default_options = {
        "fPIC": True,
        "shared": False,
    }

    @property
    def _min_cppstd(self):
        return 17

    @property
    def _compilers_minimum_version(self):
        return {
            "gcc": "9",
            "Visual Studio": "15",
            "msvc": "191",
            "clang": "5",
            "apple-clang": "10",
        }

    def export_sources(self):
        export_conandata_patches(self)

    def config_options(self):
        if self.settings.os == "Windows":
            del self.options.fPIC

    def configure(self):
        if self.options.shared:
            self.options.rm_safe("fPIC")

    def layout(self):
        cmake_layout(self, src_folder="src")

    def requirements(self):
        self.requires("asio/1.27.0")
        self.requires("openssl/[>=1.1 <4]")
        self.requires("cppcommon/1.0.3.0")

    def validate(self):
        if self.settings.compiler.get_safe("cppstd"):
            check_min_cppstd(self, self._min_cppstd)
        minimum_version = self._compilers_minimum_version.get(str(self.settings.compiler), False)
        if not minimum_version:
            self.output.warn(f"{self.ref} requires C++17. Your compiler is unknown. Assuming it supports C++17.")
        elif Version(self.settings.compiler.version) < minimum_version:
            raise ConanInvalidConfiguration(f"{self.ref} requires a compiler that supports at least C++17")

    def build_requirements(self):
        if Version(self.version) >= "1.0.2.0":
            self.tool_requires("cmake/[>=3.20 <4]")

    def source(self):
        get(self, **self.conan_data["sources"][self.version], strip_root=True)

    def generate(self):
        tc = CMakeToolchain(self)
        tc.variables["CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS"] = True
        tc.variables["CPPSERVER_MODULE"] = False
        tc.generate()

        dpes = CMakeDeps(self)
        dpes.generate()

    def build(self):
        apply_conandata_patches(self)
        cmake = CMake(self)
        cmake.configure()
        cmake.build()

    def package(self):
        copy(self, pattern="LICENSE", dst=os.path.join(self.package_folder, "licenses"), src=self.source_folder)
        cmake = CMake(self)
        cmake.install()

        copy(self, pattern="*.h", dst=os.path.join(self.package_folder, "include"), src=os.path.join(self.source_folder, "include"))
        copy(self, pattern="*.inl", dst=os.path.join(self.package_folder, "include"), src=os.path.join(self.source_folder, "include"))

    def package_info(self):
        self.cpp_info.libs = collect_libs(self)
        if self.settings.os == "Windows":
            self.cpp_info.system_libs = ["ws2_32", "crypt32", "mswsock"]