NetworkManager/shared/meson.build

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Meson
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shared_inc = include_directories('.')
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###############################################################################
shared_c_stdaux = static_library(
'c-stdaux',
c_args: '-std=c11',
sources: files('c-stdaux/src/c-stdaux.h'),
)
shared_c_stdaux_dep = declare_dependency(
include_directories: shared_inc,
)
###############################################################################
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shared_c_siphash = static_library(
'c-siphash',
include_directories: [
include_directories('c-stdaux/src'),
],
sources: 'c-siphash/src/c-siphash.c',
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)
shared_c_siphash_dep = declare_dependency(
include_directories: shared_inc,
link_with: shared_c_siphash,
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)
###############################################################################
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shared_c_rbtree = static_library(
'c-rbtree',
c_args: '-std=c11',
include_directories: [
include_directories('c-stdaux/src'),
],
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sources: files('c-rbtree/src/c-rbtree.c',
'c-rbtree/src/c-rbtree.h',
'c-rbtree/src/c-rbtree-private.h'),
)
shared_c_rbtree_dep = declare_dependency(
include_directories: shared_inc,
link_with: shared_c_rbtree,
)
###############################################################################
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if enable_ebpf
shared_n_acd_bpf_files = files('n-acd/src/n-acd-bpf.c')
else
shared_n_acd_bpf_files = files('n-acd/src/n-acd-bpf-fallback.c')
endif
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shared_n_acd = static_library(
'n-acd',
sources: files('n-acd/src/n-acd.c',
'n-acd/src/n-acd.h',
'n-acd/src/n-acd-private.h',
'n-acd/src/n-acd-probe.c',
'n-acd/src/util/timer.c',
'n-acd/src/util/timer.h')
+ shared_n_acd_bpf_files,
c_args: [
'-D_GNU_SOURCE',
'-DSO_ATTACH_BPF=50',
'-std=c11',
'-Wno-pointer-arith',
'-Wno-vla',
],
include_directories: [
include_directories('c-stdaux/src'),
include_directories('c-siphash/src'),
include_directories('c-list/src'),
include_directories('c-rbtree/src'),
],
dependencies: [
shared_c_siphash_dep,
shared_c_rbtree_dep,
],
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)
shared_n_acd_dep = declare_dependency(
include_directories: shared_inc,
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link_with: shared_n_acd,
)
###############################################################################
shared_n_dhcp4 = static_library(
'n-dhcp4',
sources: files('n-dhcp4/src/n-dhcp4-c-connection.c',
'n-dhcp4/src/n-dhcp4-c-lease.c',
'n-dhcp4/src/n-dhcp4-c-probe.c',
'n-dhcp4/src/n-dhcp4-client.c',
'n-dhcp4/src/n-dhcp4-incoming.c',
'n-dhcp4/src/n-dhcp4-outgoing.c',
'n-dhcp4/src/n-dhcp4-private.h',
'n-dhcp4/src/n-dhcp4-socket.c',
'n-dhcp4/src/n-dhcp4.h',
'n-dhcp4/src/util/packet.c',
'n-dhcp4/src/util/packet.h',
'n-dhcp4/src/util/socket.c',
'n-dhcp4/src/util/socket.h'),
c_args: [
'-D_GNU_SOURCE',
'-Wno-declaration-after-statement',
'-Wno-pointer-arith',
],
include_directories: [
include_directories('c-list/src'),
include_directories('c-siphash/src'),
include_directories('c-stdaux/src'),
],
dependencies: [
shared_c_siphash_dep,
],
)
shared_n_dhcp4_dep = declare_dependency(
include_directories: shared_inc,
link_with: shared_n_dhcp4,
)
###############################################################################
version_conf = configuration_data()
version_conf.set('NM_MAJOR_VERSION', nm_major_version)
version_conf.set('NM_MINOR_VERSION', nm_minor_version)
version_conf.set('NM_MICRO_VERSION', nm_micro_version)
version_header = configure_file(
input: 'nm-version-macros.h.in',
output: '@BASENAME@',
configuration: version_conf,
)
shared_nm_meta_setting_c = files('nm-meta-setting.c')
shared_nm_test_utils_impl_c = files('nm-test-utils-impl.c')
shared_nm_utils_nm_vpn_plugin_utils_c = files('nm-utils/nm-vpn-plugin-utils.c')
###############################################################################
shared_nm_std_aux = static_library(
'nm-std-aux',
sources: files('nm-std-aux/c-list-util.c'),
c_args: [
'-DG_LOG_DOMAIN="@0@"'.format(libnm_name),
'-DNETWORKMANAGER_COMPILATION=0',
],
include_directories: [
top_inc,
shared_inc,
],
dependencies: [
],
)
shared_nm_std_aux_dep = declare_dependency(
link_with: shared_nm_std_aux,
include_directories: [
top_inc,
shared_inc,
],
)
###############################################################################
shared_nm_glib_aux_c_args = [
'-DG_LOG_DOMAIN="@0@"'.format(libnm_name),
'-DNETWORKMANAGER_COMPILATION=(NM_NETWORKMANAGER_COMPILATION_GLIB|NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_LIB)',
]
shared_nm_glib_aux = static_library(
'nm-utils-base',
sources: files('nm-glib-aux/nm-dbus-aux.c',
'nm-glib-aux/nm-dedup-multi.c',
'nm-glib-aux/nm-enum-utils.c',
'nm-glib-aux/nm-errno.c',
'nm-glib-aux/nm-hash-utils.c',
'nm-glib-aux/nm-io-utils.c',
'nm-glib-aux/nm-json-aux.c',
'nm-glib-aux/nm-keyfile-aux.c',
'nm-glib-aux/nm-random-utils.c',
shared: add NMRefString I'd like to refactor libnm's caching. Note that cached D-Bus objects have repeated strings all over the place. For example every object will have a set of D-Bus interfaces (strings) and properties (strings) and an object path (which is referenced by other objects). We can save a lot of redundant strings by deduplicating/interning them. Also, by interning them, we can compare them using pointer equality. Add a NMRefString implementation for this. Maybe an alternative name would be NMInternedString or NMDedupString, because this string gets always interned. There is no way to create a NMRefString that is not interned. Still, NMRefString name sounds better. It is ref-counted after all. Notes: - glib has GQuark and g_intern_string(). However, such strings cannot be unrefered and are leaked indefinitely. It is thus unsuited for anything but a fixed set of well-known strings. - glib 2.58 adds GRefString, but we cannot use that because we currently still use glib 2.40. There are some differences: - GRefString is just a typedef to char. That means, the glib API exposes GRefString like regular character strings. NMRefString intentionally does that not. This makes it slightly less convenient to pass it to API that expects "const char *". But it makes it clear to the reader, that an instance is in fact a NMRefString, which means it indicates that the string is interned and can be referenced without additional copy. - GRefString can be optionally interned. That means you can only use pointer equality for comparing values if you know that the GRefString was created with g_ref_string_new_intern(). So, GRefString looks like a "const char *" pointer and even if you know it's a GRefString, you might not know whether it is interned. NMRefString is always interned, and you can always compare it using pointer equality. - In the past I already proposed a different implementation for a ref-string. That made different choices. For example NMRefString then was a typedef to "const char *", it did not support interning but deduplication (without a global cache), ref/unref was not thread safe (but then there was no global cache so that two threads could still use the API independently). The point is, there are various choices to make. GRefString, the previous NMRefString implementation and the one here, all have pros and cons. I think for the purpose where I intend NMRefString (dedup and efficient comparison), it is a preferable implementation. Ah, and of course NMRefString is an immutable string, which is a nice property.
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'nm-glib-aux/nm-ref-string.c',
'nm-glib-aux/nm-secret-utils.c',
'nm-glib-aux/nm-shared-utils.c',
'nm-glib-aux/nm-time-utils.c'),
c_args: shared_nm_glib_aux_c_args,
include_directories: [
top_inc,
shared_inc,
],
dependencies: [
glib_dep,
shared_nm_std_aux_dep,
],
)
shared_nm_glib_aux_dep = declare_dependency(
link_with: shared_nm_glib_aux,
include_directories: [
top_inc,
shared_inc,
],
dependencies: glib_dep,
)
###############################################################################
shared_nm_udev_aux = static_library(
'nm-udev-aux',
sources: files('nm-udev-aux/nm-udev-utils.c'),
c_args: shared_nm_glib_aux_c_args,
include_directories: [
top_inc,
shared_inc,
],
dependencies: [
glib_dep,
shared_nm_glib_aux_dep,
libudev_dep,
],
)
shared_nm_udev_aux_dep = declare_dependency(
link_with: shared_nm_udev_aux,
include_directories: [
top_inc,
shared_inc,
],
dependencies: [
glib_dep,
shared_nm_glib_aux_dep,
libudev_dep,
],
)
###############################################################################
libnm_systemd_shared = static_library(
'nm-systemd-shared',
sources: files(
'systemd/src/basic/alloc-util.c',
'systemd/src/basic/escape.c',
'systemd/src/basic/env-file.c',
'systemd/src/basic/env-util.c',
'systemd/src/basic/ether-addr-util.c',
'systemd/src/basic/extract-word.c',
'systemd/src/basic/fd-util.c',
'systemd/src/basic/fileio.c',
'systemd/src/basic/format-util.c',
'systemd/src/basic/fs-util.c',
'systemd/src/basic/hash-funcs.c',
'systemd/src/basic/hashmap.c',
'systemd/src/basic/hexdecoct.c',
'systemd/src/basic/hostname-util.c',
'systemd/src/basic/in-addr-util.c',
'systemd/src/basic/io-util.c',
'systemd/src/basic/memory-util.c',
'systemd/src/basic/mempool.c',
'systemd/src/basic/parse-util.c',
'systemd/src/basic/path-util.c',
'systemd/src/basic/prioq.c',
'systemd/src/basic/process-util.c',
'systemd/src/basic/random-util.c',
'systemd/src/basic/socket-util.c',
'systemd/src/basic/stat-util.c',
'systemd/src/basic/string-table.c',
'systemd/src/basic/string-util.c',
'systemd/src/basic/strv.c',
'systemd/src/basic/strxcpyx.c',
'systemd/src/basic/time-util.c',
'systemd/src/basic/tmpfile-util.c',
'systemd/src/basic/utf8.c',
'systemd/src/basic/util.c',
'systemd/src/shared/dns-domain.c',
'systemd/nm-sd-utils-shared.c',
),
include_directories: include_directories(
'systemd/sd-adapt-shared',
'systemd/src/basic',
'systemd/src/shared',
),
dependencies: shared_nm_glib_aux_dep,
c_args: [
'-DNETWORKMANAGER_COMPILATION=NM_NETWORKMANAGER_COMPILATION_SYSTEMD_SHARED',
'-DG_LOG_DOMAIN="libnm"',
],
)
libnm_systemd_shared_dep = declare_dependency(
include_directories: include_directories(
'systemd/sd-adapt-shared',
'systemd/src/basic',
'systemd/src/shared',
),
dependencies: [
shared_nm_glib_aux_dep,
],
link_with: [
libnm_systemd_shared,
],
)
libnm_systemd_logging_stub = static_library(
'nm-systemd-logging-stub',
sources: files(
'systemd/nm-logging-stub.c',
),
include_directories: include_directories(
'systemd/sd-adapt-shared',
'systemd/src/basic',
),
dependencies: shared_nm_glib_aux_dep,
c_args: [
'-DNETWORKMANAGER_COMPILATION=NM_NETWORKMANAGER_COMPILATION_SYSTEMD_SHARED',
'-DG_LOG_DOMAIN="libnm"',
],
)
libnm_systemd_shared_no_logging_dep = declare_dependency(
dependencies: [
libnm_systemd_shared_dep,
],
link_with: [
libnm_systemd_logging_stub,
],
)
shared: build helper "libnm-libnm-core-{intern|aux}.la" library for libnm-core "libnm-core" implements common functionality for "NetworkManager" and "libnm". Note that clients like "nmcli" cannot access the internal API provided by "libnm-core". So, if nmcli wants to do something that is also done by "libnm-core", , "libnm", or "NetworkManager", the code would have to be duplicated. Instead, such code can be in "libnm-libnm-core-{intern|aux}.la". Note that: 0) "libnm-libnm-core-intern.la" is used by libnm-core itsself. On the other hand, "libnm-libnm-core-aux.la" is not used by libnm-core, but provides utilities on top of it. 1) they both extend "libnm-core" with utlities that are not public API of libnm itself. Maybe part of the code should one day become public API of libnm. On the other hand, this is code for which we may not want to commit to a stable interface or which we don't want to provide as part of the API. 2) "libnm-libnm-core-intern.la" is statically linked by "libnm-core" and thus directly available to "libnm" and "NetworkManager". On the other hand, "libnm-libnm-core-aux.la" may be used by "libnm" and "NetworkManager". Both libraries may be statically linked by libnm clients (like nmcli). 3) it must only use glib, libnm-glib-aux.la, and the public API of libnm-core. This is important: it must not use "libnm-core/nm-core-internal.h" nor "libnm-core/nm-utils-private.h" so the static library is usable by nmcli which couldn't access these. Note that "shared/nm-meta-setting.c" is an entirely different case, because it behaves differently depending on whether linking against "libnm-core" or the client programs. As such, this file must be compiled twice.
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if enable_tests
subdir('nm-utils/tests')
endif