1 files changed, 118 insertions, 0 deletions
diff --git a/daemon/lua/meson.build b/daemon/lua/meson.build
new file mode 100644
index 0000000..b19777c
--- /dev/null
+++ b/daemon/lua/meson.build
@@ -0,0 +1,118 @@
+# daemon: lua modules
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+config_tests += [
+  ['controlsock', files('controlsock.test.lua')],
+  ['krprint', files('krprint.test.lua')],
+  ['log', files('log.test.lua')],
+  ['ta', files('trust_anchors.test/ta.test.lua')],
+  ['ta_bootstrap', files('trust_anchors.test/bootstrap.test.lua'), ['y2k38']],
+]
+
+integr_tests += [
+  ['map', meson.current_source_dir() / 'map.test.integr'],
+]
+
+lua_config = configuration_data()
+lua_config.set('keyfile_default', keyfile_default)
+lua_config.set('etc_dir', etc_dir)
+lua_config.set('run_dir', run_dir)
+lua_config.set('systemd_cache_dir', systemd_cache_dir)
+lua_config.set('unmanaged', managed_ta ? 'false' : 'true')
+
+trust_anchors = configure_file(
+  input: 'trust_anchors.lua.in',
+  output: 'trust_anchors.lua',
+  configuration: lua_config,
+)
+
+sandbox = configure_file(
+  input: 'sandbox.lua.in',
+  output: 'sandbox.lua',
+  configuration: lua_config,
+)
+
+distro_preconfig = configure_file(
+  input: 'distro-preconfig.lua.in',
+  output: 'distro-preconfig.lua',
+  configuration: lua_config,
+)
+
+# Unfortunately the different ABI implies different contents of 'kres-gen.lua'.
+if libknot.version().version_compare('>= 3.2')
+  kres_gen_fname = 'kres-gen-32.lua'
+elif libknot.version().version_compare('>= 3.1')
+  kres_gen_fname = 'kres-gen-31.lua'
+else
+  kres_gen_fname = 'kres-gen-30.lua'
+endif
+
+kres_gen_lua = configure_file(
+  input: kres_gen_fname,
+  output: 'kres-gen.lua',
+  copy: true,
+)
+
+run_target(  # run manually to re-generate kres-gen.lua
+  'kres-gen',
+  command: [ find_program('./kres-gen.sh'), kres_gen_fname ],
+)
+
+# A simple config test: check that sizes of some structures match
+# in C and pre-generated lua bindings.
+# The point is that regeneration is quite expensive in time and dependencies,
+# but this basic sanity check could be ran always, except for cross compilation,
+# as we *run* luajit to find out the real sizes.
+if get_option('kres_gen_test') and not meson.is_cross_build()
+  types_to_check = [
+    { 'tname': 'time_t', 'incl': '#include <sys/time.h>' },
+    { 'tname': 'struct timeval', 'incl' : '#include <sys/time.h>' },
+    { 'tname': 'zs_scanner_t', 'incl': '#include <libzscanner/scanner.h>', 'dep': libzscanner },
+    { 'tname': 'knot_pkt_t', 'incl' : '#include <libknot/packet/pkt.h>', 'dep': libknot },
+  ]
+  # Construct the lua tester as a meson string.
+  kres_gen_test_luastr = '''
+    dofile('@0@')
+    local ffi = require('ffi')
+  '''.format(meson.current_source_dir() / kres_gen_fname)
+  foreach ttc: types_to_check
+    # We're careful with adding just includes; otherwise it's more fragile (e.g. linking flags).
+    if 'dep' in ttc
+      dep = ttc.get('dep').partial_dependency(includes: true, compile_args: true)
+    else
+      dep = []
+    endif
+    tsize = meson.get_compiler('c').sizeof(ttc.get('tname'), prefix: ttc.get('incl'),
+                                           dependencies: dep)
+    kres_gen_test_luastr += '''
+      assert(ffi.sizeof(ffi.typeof('@0@')) == @1@,
+        'Lua binding for C type ' .. '@0@' .. ' has incorrect size: '
+        .. ffi.sizeof(ffi.typeof('@0@'))
+      )
+    '''.format(ttc.get('tname'), tsize)
+  endforeach
+  # Now feed it directly into luajit.
+  kres_gen_test = run_command(find_program('luajit'), '-e', kres_gen_test_luastr, check: false)
+  if kres_gen_test.returncode() != 0
+    error('if you use released Knot* versions, please contact us: https://www.knot-resolver.cz/contact/\n'
+        + kres_gen_test.stderr().strip())
+  endif
+endif
+
+lua_src = [
+  files('postconfig.lua'),
+  files('kres.lua'),
+  kres_gen_lua,
+  sandbox,
+  trust_anchors,
+  files('zonefile.lua'),
+  files('kluautil.lua'),
+  files('krprint.lua'),
+  distro_preconfig,
+]
+
+# install daemon lua sources
+install_data(
+  lua_src,
+  install_dir: lib_dir,
+)