Update networking layer w/ CURL and emscripten impl

2025-11-08 01:50:36 +11:00
parent a17925904d
commit f6874dc55a
4105 changed files with 694617 additions and 179 deletions
@@ -0,0 +1,97 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+# SPDX-License-Identifier: curl
+#
+###########################################################################
+# Find the c-ares library
+#
+# Input variables:
+#
+# - `CARES_INCLUDE_DIR`:   Absolute path to c-ares include directory.
+# - `CARES_LIBRARY`:       Absolute path to `cares` library.
+#
+# Result variables:
+#
+# - `CARES_FOUND`:         System has c-ares.
+# - `CARES_INCLUDE_DIRS`:  The c-ares include directories.
+# - `CARES_LIBRARIES`:     The c-ares library names.
+# - `CARES_LIBRARY_DIRS`:  The c-ares library directories.
+# - `CARES_PC_REQUIRES`:   The c-ares pkg-config packages.
+# - `CARES_CFLAGS`:        Required compiler flags.
+# - `CARES_VERSION`:       Version of c-ares.
+
+set(CARES_PC_REQUIRES "libcares")
+
+if(CURL_USE_PKGCONFIG AND
+   NOT DEFINED CARES_INCLUDE_DIR AND
+   NOT DEFINED CARES_LIBRARY)
+  find_package(PkgConfig QUIET)
+  pkg_check_modules(CARES ${CARES_PC_REQUIRES})
+endif()
+
+if(CARES_FOUND)
+  set(Cares_FOUND TRUE)
+  string(REPLACE ";" " " CARES_CFLAGS "${CARES_CFLAGS}")
+  message(STATUS "Found Cares (via pkg-config): ${CARES_INCLUDE_DIRS} (found version \"${CARES_VERSION}\")")
+else()
+  find_path(CARES_INCLUDE_DIR NAMES "ares.h")
+  find_library(CARES_LIBRARY NAMES ${CARES_NAMES} "cares")
+
+  unset(CARES_VERSION CACHE)
+  if(CARES_INCLUDE_DIR AND EXISTS "${CARES_INCLUDE_DIR}/ares_version.h")
+    set(_version_regex1 "#[\t ]*define[\t ]+ARES_VERSION_MAJOR[\t ]+([0-9]+).*")
+    set(_version_regex2 "#[\t ]*define[\t ]+ARES_VERSION_MINOR[\t ]+([0-9]+).*")
+    set(_version_regex3 "#[\t ]*define[\t ]+ARES_VERSION_PATCH[\t ]+([0-9]+).*")
+    file(STRINGS "${CARES_INCLUDE_DIR}/ares_version.h" _version_str1 REGEX "${_version_regex1}")
+    file(STRINGS "${CARES_INCLUDE_DIR}/ares_version.h" _version_str2 REGEX "${_version_regex2}")
+    file(STRINGS "${CARES_INCLUDE_DIR}/ares_version.h" _version_str3 REGEX "${_version_regex3}")
+    string(REGEX REPLACE "${_version_regex1}" "\\1" _version_str1 "${_version_str1}")
+    string(REGEX REPLACE "${_version_regex2}" "\\1" _version_str2 "${_version_str2}")
+    string(REGEX REPLACE "${_version_regex3}" "\\1" _version_str3 "${_version_str3}")
+    set(CARES_VERSION "${_version_str1}.${_version_str2}.${_version_str3}")
+    unset(_version_regex1)
+    unset(_version_regex2)
+    unset(_version_regex3)
+    unset(_version_str1)
+    unset(_version_str2)
+    unset(_version_str3)
+  endif()
+
+  include(FindPackageHandleStandardArgs)
+  find_package_handle_standard_args(Cares
+    REQUIRED_VARS
+      CARES_INCLUDE_DIR
+      CARES_LIBRARY
+    VERSION_VAR
+      CARES_VERSION
+  )
+
+  if(CARES_FOUND)
+    set(CARES_INCLUDE_DIRS ${CARES_INCLUDE_DIR})
+    set(CARES_LIBRARIES    ${CARES_LIBRARY})
+  endif()
+
+  mark_as_advanced(CARES_INCLUDE_DIR CARES_LIBRARY)
+endif()
+
+if(CARES_FOUND AND WIN32)
+  list(APPEND CARES_LIBRARIES "iphlpapi")  # for if_indextoname and others
+endif()