diff options
| -rw-r--r-- | Makefile-man.am | 7 | ||||
| -rw-r--r-- | Makefile.am | 21 | ||||
| -rw-r--r-- | man/networkd-wait-online.conf.xml | 95 | ||||
| -rw-r--r-- | man/systemd-networkd-wait-online.service.xml | 81 | ||||
| -rw-r--r-- | man/systemd-networkd.service.xml | 1 | ||||
| -rw-r--r-- | src/libsystemd-network/network-internal.c | 14 | ||||
| -rw-r--r-- | src/libsystemd-network/network-internal.h | 2 | ||||
| -rw-r--r-- | src/network/.gitignore | 1 | ||||
| -rw-r--r-- | src/network/networkd-link.c | 15 | ||||
| -rw-r--r-- | src/network/networkd-wait-online-gperf.gperf | 17 | ||||
| -rw-r--r-- | src/network/networkd-wait-online.c | 195 | ||||
| -rw-r--r-- | src/network/networkd-wait-online.conf | 11 | ||||
| -rw-r--r-- | src/network/networkd-wait-online.h | 41 | ||||
| -rw-r--r-- | units/.gitignore | 1 | ||||
| -rw-r--r-- | units/systemd-networkd-wait-online.service.in | 23 | ||||
| -rw-r--r-- | units/systemd-networkd.service.in | 1 | 
16 files changed, 493 insertions, 33 deletions
| diff --git a/Makefile-man.am b/Makefile-man.am index 90d32c5212..db66e020c0 100644 --- a/Makefile-man.am +++ b/Makefile-man.am @@ -1039,12 +1039,17 @@ endif  if ENABLE_NETWORKD  MANPAGES += \  	man/systemd-networkd.service.8 \ +	man/systemd-networkd-wait-online.service.8 \ +	man/networkd-wait-online.conf.5 \  	man/systemd.netdev.5 \  	man/systemd.network.5  MANPAGES_ALIAS += \ -	man/systemd-networkd.8 +	man/systemd-networkd.8 \ +	man/systemd-networkd-wait-online.8  man/systemd-networkd.8: man/systemd-networkd.service.8  man/systemd-networkd.html: man/systemd-networkd.service.html +man/systemd-networkd-wait-online.8: man/systemd-networkd-wait-online.service.8 +man/systemd-networkd-wait-online.html: man/systemd-networkd-wait-online.service.html  	$(html-alias)  endif diff --git a/Makefile.am b/Makefile.am index 6967b6f289..f261c476da 100644 --- a/Makefile.am +++ b/Makefile.am @@ -4134,6 +4134,7 @@ noinst_LTLIBRARIES += \  	libsystemd-networkd-core.la  libsystemd_networkd_core_la_SOURCES = \ +	src/libsystemd-network/network-internal.h \  	src/network/networkd.h \  	src/network/networkd-link.c \  	src/network/networkd-netdev.c \ @@ -4154,16 +4155,23 @@ libsystemd_networkd_core_la_LIBADD = \  	libsystemd-shared.la  nodist_systemunit_DATA += \ -	units/systemd-networkd.service +	units/systemd-networkd.service \ +	units/systemd-networkd-wait-online.service  GENERAL_ALIASES += \ -	$(systemunitdir)/systemd-networkd.service $(pkgsysconfdir)/system/multi-user.target.wants/systemd-networkd.service +	$(systemunitdir)/systemd-networkd.service $(pkgsysconfdir)/system/multi-user.target.wants/systemd-networkd.service \ +	$(systemunitdir)/systemd-networkd.service $(pkgsysconfdir)/system/network-online.target.wants/systemd-networkd-wait-online.service  rootlibexec_PROGRAMS += \  	systemd-networkd-wait-online  systemd_networkd_wait_online_SOURCES = \ -	src/network/networkd-wait-online.c +	src/libsystemd-network/network-internal.h \ +	src/network/networkd-wait-online.c \ +	src/network/networkd-wait-online.h + +nodist_systemd_networkd_wait_online_SOURCES = \ +	src/network/networkd-wait-online-gperf.c  systemd_networkd_wait_online_LDADD = \  	libsystemd-internal.la \ @@ -4178,14 +4186,19 @@ test_network_LDADD = \  tests += \  	test-network +dist_pkgsysconf_DATA += \ +	src/network/networkd-wait-online.conf +  EXTRA_DIST += \  	src/network/networkd-network-gperf.gperf \  	src/network/networkd-netdev-gperf.gperf \ +	src/network/networkd-wait-online-gperf.gperf \  	units/systemd-networkd.service.in  CLEANFILES += \  	src/network/networkd-network-gperf.c \ -	src/network/networkd-netdev-gperf.c +	src/network/networkd-netdev-gperf.c \ +	src/network/networkd-wait-online-gperf.c  endif  # ------------------------------------------------------------------------------ diff --git a/man/networkd-wait-online.conf.xml b/man/networkd-wait-online.conf.xml new file mode 100644 index 0000000000..821b0efedd --- /dev/null +++ b/man/networkd-wait-online.conf.xml @@ -0,0 +1,95 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" +        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- +  This file is part of systemd. + +  Copyright 2014 Tom Gundersen + +  systemd is free software; you can redistribute it and/or modify it +  under the terms of the GNU Lesser General Public License as published by +  the Free Software Foundation; either version 2.1 of the License, or +  (at your option) any later version. + +  systemd is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +  Lesser General Public License for more details. + +  You should have received a copy of the GNU Lesser General Public License +  along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="networkd-wait-online.conf" conditional='ENABLE_NETWORKD'> +        <refentryinfo> +                <title>networkd-wait-online.conf</title> +                <productname>systemd</productname> + +                <authorgroup> +                        <author> +                                <contrib>Developer</contrib> +                                <firstname>Tom</firstname> +                                <surname>Gundersen</surname> +                                <email>teg@jklm.no</email> +                        </author> +                </authorgroup> +        </refentryinfo> + +        <refmeta> +                <refentrytitle>networkd-wait-online.conf</refentrytitle> +                <manvolnum>5</manvolnum> +        </refmeta> + +        <refnamediv> +                <refname>networkd-wait-online.conf</refname> +                <refpurpose>Network manager configuration file</refpurpose> +        </refnamediv> + +        <refsynopsisdiv> +                <para><filename>/etc/systemd/networkd-wait-online.conf</filename></para> +        </refsynopsisdiv> + +        <refsect1> +                <title>Description</title> + +                <para>This file configures various parameters of the systemd network manager's wait-online service, <citerefentry><refentrytitle>systemd-networkd-wait-online.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para> + +        </refsect1> + +        <refsect1> +                <title>Options</title> + +                <para>All options are configured in the +                <literal>[WaitOnline]</literal> section:</para> + +                <variablelist> + +                        <varlistentry> +                                <term><varname>After=</varname></term> + +                                <listitem><para>Takes a white-space +                                separated list of network interface +                                names. Configures which network interfaces +                                to wait for before deciding if the machine +                                is considered to be online. The default is +                                to wait for at least one that is managed by +                                <citerefentry><refentrytitle>systemd-networkd.service +                                </refentrytitle><manvolnum>8</manvolnum></citerefentry>, +                                or one other which is brought up by someone else. +                                </para></listitem> +                        </varlistentry> + +                </variablelist> +        </refsect1> + +        <refsect1> +                  <title>See Also</title> +                  <para> +                          <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, +                          <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, +                  </para> +        </refsect1> + +</refentry> diff --git a/man/systemd-networkd-wait-online.service.xml b/man/systemd-networkd-wait-online.service.xml new file mode 100644 index 0000000000..d8f2226552 --- /dev/null +++ b/man/systemd-networkd-wait-online.service.xml @@ -0,0 +1,81 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" +        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- +  This file is part of systemd. + +  Copyright 2014 Tom Gundersen + +  systemd is free software; you can redistribute it and/or modify it +  under the terms of the GNU Lesser General Public License as published by +  the Free Software Foundation; either version 2.1 of the License, or +  (at your option) any later version. + +  systemd is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +  Lesser General Public License for more details. + +  You should have received a copy of the GNU Lesser General Public License +  along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="systemd-networkd-wait-online.service" conditional='ENABLE_NETWORKD'> + +        <refentryinfo> +                <title>systemd-networkd.service</title> +                <productname>systemd</productname> + +                <authorgroup> +                        <author> +                                <contrib>Developer</contrib> +                                <firstname>Tom</firstname> +                                <surname>Gundersen</surname> +                                <email>teg@jklm.no</email> +                        </author> +                </authorgroup> +        </refentryinfo> + +        <refmeta> +                <refentrytitle>systemd-networkd-wait-online.service</refentrytitle> +                <manvolnum>8</manvolnum> +        </refmeta> + +        <refnamediv> +                <refname>systemd-networkd-wait-online.service</refname> +                <refname>systemd-networkd-wait-online</refname> +                <refpurpose>Wait for network to become online</refpurpose> +        </refnamediv> + +        <refsynopsisdiv> +                <para><filename>systemd-networkd-wait-online.service</filename></para> +                <para><filename>/usr/lib/systemd/systemd-networkd-wait-online</filename></para> +        </refsynopsisdiv> + +        <refsect1> +                <title>Description</title> + +                <para><command>systemd-networkd-wait-online</command> is a +                one-shot system service that waits for the network to be configured. +                It will wait for all links managed by +                <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, +                to be fully configured. It will wait for at least one link managed by +                systemd-networkd to appear, or for a link to be brought up by someone else. + +                To wait for a specific set of links, see +                <citerefentry><refentrytitle>systemd-networkd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. +                This may be necessary on systems with more than one active link. +                </para> +        </refsect1> + +        <refsect1> +                <title>See Also</title> +                <para> +                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, +                        <citerefentry><refentrytitle>systemd-networkd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>, +                        <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, +                </para> +        </refsect1> + +</refentry> diff --git a/man/systemd-networkd.service.xml b/man/systemd-networkd.service.xml index bcdd9adae0..ca35a8850b 100644 --- a/man/systemd-networkd.service.xml +++ b/man/systemd-networkd.service.xml @@ -101,6 +101,7 @@                          <citerefentry><refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum></citerefentry>,                          <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>,                          <citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry> +                        <citerefentry><refentrytitle>systemd-network-wait-online.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>                  </para>          </refsect1> diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c index 52e614c4ea..e7ba628fc7 100644 --- a/src/libsystemd-network/network-internal.c +++ b/src/libsystemd-network/network-internal.c @@ -326,3 +326,17 @@ int net_parse_inaddr(const char *address, unsigned char *family, void *dst) {          return 0;  } + +bool link_has_carrier(unsigned flags, uint8_t operstate) { +        /* see Documentation/networking/operstates.txt in the kernel sources */ + +        if (operstate == IF_OPER_UP) +                return true; + +        if (operstate == IF_OPER_UNKNOWN) +                /* operstate may not be implemented, so fall back to flags */ +                if ((flags & IFF_LOWER_UP) && !(flags & IFF_DORMANT)) +                        return true; + +        return false; +} diff --git a/src/libsystemd-network/network-internal.h b/src/libsystemd-network/network-internal.h index 836472a776..ef3cb8b91d 100644 --- a/src/libsystemd-network/network-internal.h +++ b/src/libsystemd-network/network-internal.h @@ -65,3 +65,5 @@ int config_parse_ifalias(const char *unit, const char *filename, unsigned line,  int net_parse_inaddr(const char *address, unsigned char *family, void *dst);  int net_get_unique_predictable_data(struct udev_device *device, uint8_t result[8]); + +bool link_has_carrier(unsigned flags, uint8_t operstate); diff --git a/src/network/.gitignore b/src/network/.gitignore index 8858596489..e3b86e2d4a 100644 --- a/src/network/.gitignore +++ b/src/network/.gitignore @@ -1,2 +1,3 @@  /networkd-network-gperf.c  /networkd-netdev-gperf.c +/networkd-wait-online-gperf.c diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index 310b9f54f9..015a82d0d6 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -30,6 +30,7 @@  #include "bus-util.h"  #include "network-internal.h" +#include "network-util.h"  #include "dhcp-lease-internal.h"  static int ipv4ll_address_update(Link *link, bool deprecate); @@ -1098,20 +1099,6 @@ static int link_acquire_conf(Link *link) {          return 0;  } -static bool link_has_carrier(unsigned flags, uint8_t operstate) { -        /* see Documentation/networking/operstates.txt in the kernel sources */ - -        if (operstate == IF_OPER_UP) -                return true; - -        if (operstate == IF_OPER_UNKNOWN) -                /* operstate may not be implemented, so fall back to flags */ -                if ((flags & IFF_LOWER_UP) && !(flags & IFF_DORMANT)) -                        return true; - -        return false; -} -  static int link_update_flags(Link *link, sd_rtnl_message *m) {          unsigned flags, flags_added, flags_removed, generic_flags;          uint8_t operstate; diff --git a/src/network/networkd-wait-online-gperf.gperf b/src/network/networkd-wait-online-gperf.gperf new file mode 100644 index 0000000000..0a5e5eee55 --- /dev/null +++ b/src/network/networkd-wait-online-gperf.gperf @@ -0,0 +1,17 @@ +%{ +#include <stddef.h> +#include "conf-parser.h" +#include "networkd-wait-online.h" +%} +struct ConfigPerfItem; +%null_strings +%language=ANSI-C +%define slot-name section_and_lvalue +%define hash-function-name wait_online_gperf_hash +%define lookup-function-name wait_online_gperf_lookup +%readonly-tables +%omit-struct-type +%struct-type +%includes +%% +WaitOnline.ExpectedLinks,               config_parse_strv,          0, offsetof(Manager, expected_links) diff --git a/src/network/networkd-wait-online.c b/src/network/networkd-wait-online.c index e62859e1cf..6a7c62feae 100644 --- a/src/network/networkd-wait-online.c +++ b/src/network/networkd-wait-online.c @@ -19,16 +19,26 @@    along with systemd; If not, see <http://www.gnu.org/licenses/>.  ***/ +#include <netinet/ether.h> +#include <linux/if.h> +  #include "sd-event.h"  #include "event-util.h" +#include "sd-rtnl.h" +#include "rtnl-util.h"  #include "sd-daemon.h"  #include "sd-network.h"  #include "network-util.h" +#include "network-internal.h" +#include "networkd-wait-online.h" +#include "conf-parser.h" +#include "strv.h"  #include "util.h" -static bool all_configured(void) { +static bool all_configured(Manager *m) {          _cleanup_free_ unsigned *indices = NULL; +        char **ifname;          bool one_ready = false;          int r, n, i; @@ -36,35 +46,168 @@ static bool all_configured(void) {          if (n <= 0)                  return false; +        STRV_FOREACH(ifname, m->expected_links) { +                _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL, *reply = NULL; +                bool found = false; +                int index; + +                r = sd_rtnl_message_new_link(m->rtnl, &message, RTM_GETLINK, 0); +                if (r < 0) { +                        log_warning("colud not create GETLINK message: %s", strerror(-r)); +                        return false; +                } + +                r = sd_rtnl_message_append_string(message, IFLA_IFNAME, *ifname); +                if (r < 0) { +                        log_warning("could not attach ifname to GETLINK message: %s", strerror(-r)); +                        return false; +                } + +                r = sd_rtnl_call(m->rtnl, message, 0, &reply); +                if (r < 0) { +                        if (r != -ENODEV) +                                log_warning("could not get link info for %s: %s", *ifname, +                                            strerror(-r)); + +                        /* link does not yet exist */ +                        return false; +                } + +                r = sd_rtnl_message_link_get_ifindex(reply, &index); +                if (r < 0) { +                        log_warning("could not get ifindex: %s", strerror(-r)); +                        return false; +                } + +                if (index <= 0) { +                        log_warning("invalid ifindex %d for %s", index, *ifname); +                        return false; +                } + +                for (i = 0; i < n; i++) { +                        if (indices[i] == (unsigned) index) { +                                found = true; +                                break; +                        } +                } + +                if (!found) +                        /* link exists, but networkd is not yet aware of it */ +                        return false; +        } +          for (i = 0; i < n; i++) {                  _cleanup_free_ char *state = NULL;                  r = sd_network_get_link_state(indices[i], &state); -                if (r == -EUNATCH) +                if (r == -EUNATCH) { +                        _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL, *reply = NULL; +                        unsigned flags; +                        uint8_t operstate; + +                        r = sd_rtnl_message_new_link(m->rtnl, &message, RTM_GETLINK, indices[i]); +                        if (r < 0) { +                                log_warning("could not create GETLINK message: %s", strerror(-r)); +                                return false; +                        } + +                        r = sd_rtnl_call(m->rtnl, message, 0, &reply); +                        if (r < 0) { +                                log_debug("could not get link %u: %s", indices[i], strerror(-r)); +                                continue; +                        } + +                        r = sd_rtnl_message_link_get_flags(reply, &flags); +                        if (r < 0) { +                                log_warning("could not get link flags: %s", strerror(-r)); +                                return false; +                        } + +                        r = sd_rtnl_message_read_u8(reply, IFLA_OPERSTATE, &operstate); +                        if (r < 0) { +                                log_debug("could not get link operational state: %s", strerror(-r)); +                                operstate = IF_OPER_UNKNOWN; +                        } +                         +                        if (!(flags & IFF_LOOPBACK) && +                            link_has_carrier(flags, operstate)) { +                                /* this link is not managed by us, +                                   but something else may have +                                   made it ready, so don't block */ +                                one_ready = true; +                        } +                          continue; -                if (r < 0 || !streq(state, "configured")) +                } else if (r < 0 || !streq(state, "configured"))                          return false; +                /* we wait for at least one link to appear */                  one_ready = true;          }          return one_ready;  } -static int event_handler(sd_event_source *s, int fd, uint32_t revents, +static int monitor_event_handler(sd_event_source *s, int fd, uint32_t revents,                           void *userdata) { -        sd_event *event = userdata; +        Manager *m = userdata; + +        assert(m); +        assert(m->event); + +        if (all_configured(m)) +                sd_event_exit(m->event, 0); + +        return 1; +} -        assert(event); +static int newlink_event_handler(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) { +        Manager *m = userdata; -        if (all_configured()) -                sd_event_exit(event, 0); +        assert(m); +        assert(m->event); + +        if (all_configured(m)) +                sd_event_exit(m->event, 0);          return 1;  } +static int parse_config_file(Manager *m) { +        static const char fn[] = "/etc/systemd/networkd-wait-online.conf"; +        _cleanup_fclose_ FILE *f = NULL; +        int r; + +        f = fopen(fn, "re"); +        if (!f) { +                if (errno == ENOENT) +                        return 0; + +                log_warning("Failed to open configuration file %s: %m", fn); +                return -errno; +        } + +        r = config_parse(NULL, fn, f, "WaitOnline\0", config_item_perf_lookup, +                         (void*) wait_online_gperf_lookup, false, false, m); +        if (r < 0) +                log_warning("Failed to parse configuration file: %s", strerror(-r)); + +        return r; +} + +void manager_free(Manager *m) { +        if (!m) +                return; + +        sd_event_unref(m->event); +        sd_rtnl_unref(m->rtnl); +        strv_free(m->expected_links); + +        free(m); +} +  int main(int argc, char *argv[]) { -        _cleanup_event_unref_ sd_event *event = NULL; +        _cleanup_manager_free_ Manager *m = NULL;          _cleanup_event_source_unref_ sd_event_source *event_source = NULL;          _cleanup_network_monitor_unref_ sd_network_monitor *monitor = NULL;          int r, fd, events; @@ -81,13 +224,21 @@ int main(int argc, char *argv[]) {                  goto out;          } +        m = new0(Manager, 1); +        if (!m) +                return log_oom(); + +        r = parse_config_file(m); +        if (r < 0) +                goto out; +          r = sd_network_monitor_new(NULL, &monitor);          if (r < 0) {                  log_error("Could not create monitor: %s", strerror(-r));                  goto out;          } -        r = sd_event_new(&event); +        r = sd_event_new(&m->event);          if (r < 0) {                  log_error("Could not create event: %s", strerror(-r));                  goto out; @@ -105,14 +256,30 @@ int main(int argc, char *argv[]) {                  goto out;          } -        r = sd_event_add_io(event, &event_source, fd, events, &event_handler, -                            event); +        r = sd_event_add_io(m->event, &event_source, fd, events, &monitor_event_handler, +                            m);          if (r < 0) {                  log_error("Could not add io event source: %s", strerror(-r));                  goto out;          } -        if (all_configured()) { +        r = sd_rtnl_open(&m->rtnl, RTMGRP_LINK); +        if (r < 0) { +                log_error("Could not create rtnl: %s", strerror(-r)); +                goto out; +        } + +        r = sd_rtnl_attach_event(m->rtnl, m->event, 0); +        if (r < 0) { +                log_error("Could not attach event to rtnl: %s", strerror(-r)); +                return r; +        } + +        r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, newlink_event_handler, m); +        if (r < 0) +                return r; + +        if (all_configured(m)) {                  r = 0;                  goto out;          } @@ -121,7 +288,7 @@ int main(int argc, char *argv[]) {                    "READY=1\n"                    "STATUS=Waiting for network connections..."); -        r = sd_event_loop(event); +        r = sd_event_loop(m->event);          if (r < 0) {                  log_error("Event loop failed: %s", strerror(-r));                  goto out; diff --git a/src/network/networkd-wait-online.conf b/src/network/networkd-wait-online.conf new file mode 100644 index 0000000000..fa3d92fe69 --- /dev/null +++ b/src/network/networkd-wait-online.conf @@ -0,0 +1,11 @@ +#  This file is part of systemd. +# +#  systemd is free software; you can redistribute it and/or modify it +#  under the terms of the GNU Lesser General Public License as published by +#  the Free Software Foundation; either version 2.1 of the License, or +#  (at your option) any later version. +# +# See networkd-wait-online.conf(5) for details + +[WaitOnline] +#ExpectedLinks= diff --git a/src/network/networkd-wait-online.h b/src/network/networkd-wait-online.h new file mode 100644 index 0000000000..463df1616c --- /dev/null +++ b/src/network/networkd-wait-online.h @@ -0,0 +1,41 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** +  This file is part of systemd. + +  Copyright 2014 Tom Gundersen <teg@jklm.no> + +  systemd is free software; you can redistribute it and/or modify it +  under the terms of the GNU Lesser General Public License as published by +  the Free Software Foundation; either version 2.1 of the License, or +  (at your option) any later version. + +  systemd is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +  Lesser General Public License for more details. + +  You should have received a copy of the GNU Lesser General Public License +  along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#pragma once + +#include "sd-event.h" +#include "sd-rtnl.h" + +#include "util.h" + +typedef struct Manager { +        sd_event *event; +        sd_rtnl *rtnl; +        char **expected_links; +} Manager; + +void manager_free(Manager *m); + +DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); +#define _cleanup_manager_free_ _cleanup_(manager_freep) + +/* gperf lookup function */ +const struct ConfigPerfItem* wait_online_gperf_lookup(const char *key, unsigned length); diff --git a/units/.gitignore b/units/.gitignore index 94876ed71f..3bae4b46b6 100644 --- a/units/.gitignore +++ b/units/.gitignore @@ -39,6 +39,7 @@  /systemd-machined.service  /systemd-modules-load.service  /systemd-networkd.service +/systemd-networkd-wait-online.service  /systemd-nspawn@.service  /systemd-poweroff.service  /systemd-quotacheck.service diff --git a/units/systemd-networkd-wait-online.service.in b/units/systemd-networkd-wait-online.service.in new file mode 100644 index 0000000000..a9bad7aa8f --- /dev/null +++ b/units/systemd-networkd-wait-online.service.in @@ -0,0 +1,23 @@ +#  This file is part of systemd. +# +#  systemd is free software; you can redistribute it and/or modify it +#  under the terms of the GNU Lesser General Public License as published by +#  the Free Software Foundation; either version 2.1 of the License, or +#  (at your option) any later version. + +[Unit] +Description=Wait for Network to be Configured +Documentation=man:systemd-networkd-wait-online.service(8) +DefaultDependencies=no +Conflicts=shutdown.target +Requisite=systemd-networkd.service +After=systemd-networkd.service +Before=network-online.target + +[Service] +Type=oneshot +ExecStart=@rootlibexecdir@/systemd-networkd-wait-online +RemainAfterExit=yes + +[Install] +WantedBy=network-online.target diff --git a/units/systemd-networkd.service.in b/units/systemd-networkd.service.in index 7fd31cf667..8dd37ff769 100644 --- a/units/systemd-networkd.service.in +++ b/units/systemd-networkd.service.in @@ -23,4 +23,5 @@ CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_NET_BROADCAST CAP_N  WatchdogSec=1min  [Install] +Also=systemd-networkd-wait-online.service  WantedBy=multi-user.target | 
