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socket: expose SO_BROADCAST

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This commit is contained in:
Lennart Poettering 2011-05-19 18:10:19 +02:00
parent ac49a39714
commit ec6370a22d
6 changed files with 24 additions and 0 deletions
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2
TODO
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@ -19,6 +19,8 @@ F15 External:
Features:
* drop -lrt req for sd-daemon.[ch]
* Make it possible to set the keymap independently from the font on
the kernel cmdline. Right now setting one resets also the other.

10
man/systemd.socket.xml
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@ -514,6 +514,16 @@
<option>false</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>Broadcast=</varname></term>
<listitem><para>Takes a boolean
value. This controls the SO_BROADCAST
option, which allows boradcast
datagrams to be sent from this
socket. Defaults to
<option>false</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>TCPCongestion=</varname></term>
<listitem><para>Takes a string

2
src/dbus-socket.c
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@ -50,6 +50,7 @@
" <property name=\"PipeSize\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"FreeBind\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Transparent\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Broadcast\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Mark\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"MaxConnections\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"NAccepted\" type=\"u\" access=\"read\"/>\n" \
@ -109,6 +110,7 @@ DBusHandlerResult bus_socket_message_handler(Unit *u, DBusConnection *c, DBusMes
{ "org.freedesktop.systemd1.Socket", "PipeSize", bus_property_append_size, "t", &u->socket.pipe_size },
{ "org.freedesktop.systemd1.Socket", "FreeBind", bus_property_append_bool, "b", &u->socket.free_bind },
{ "org.freedesktop.systemd1.Socket", "Transparent", bus_property_append_bool, "b", &u->socket.transparent },
{ "org.freedesktop.systemd1.Socket", "Broadcast", bus_property_append_bool, "b", &u->socket.broadcast },
{ "org.freedesktop.systemd1.Socket", "Mark", bus_property_append_int, "i", &u->socket.mark },
{ "org.freedesktop.systemd1.Socket", "MaxConnections", bus_property_append_unsigned, "u", &u->socket.max_connections },
{ "org.freedesktop.systemd1.Socket", "NConnections", bus_property_append_unsigned, "u", &u->socket.n_connections },

1
src/load-fragment.c
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@ -1996,6 +1996,7 @@ static int load_from_path(Unit *u, const char *path) {
{ "PipeSize", config_parse_size, 0, &u->socket.pipe_size, "Socket" },
{ "FreeBind", config_parse_bool, 0, &u->socket.free_bind, "Socket" },
{ "Transparent", config_parse_bool, 0, &u->socket.transparent, "Socket" },
{ "Broadcast", config_parse_bool, 0, &u->socket.broadcast, "Socket" },
{ "TCPCongestion", config_parse_string, 0, &u->socket.tcp_congestion, "Socket" },
{ "MessageQueueMaxMessages", config_parse_long, 0, &u->socket.mq_maxmsg, "Socket" },
{ "MessageQueueMessageSize", config_parse_long, 0, &u->socket.mq_msgsize, "Socket" },

8
src/socket.c
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@ -405,6 +405,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
"%sKeepAlive: %s\n"
"%sFreeBind: %s\n"
"%sTransparent: %s\n"
"%sBroadcast: %s\n"
"%sTCPCongestion: %s\n",
prefix, socket_state_to_string(s->state),
prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
@ -414,6 +415,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
prefix, yes_no(s->keep_alive),
prefix, yes_no(s->free_bind),
prefix, yes_no(s->transparent),
prefix, yes_no(s->broadcast),
prefix, strna(s->tcp_congestion));
if (s->control_pid > 0)
@ -649,6 +651,12 @@ static void socket_apply_socket_options(Socket *s, int fd) {
log_warning("SO_KEEPALIVE failed: %m");
}
if (s->broadcast) {
int one = 1;
if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one)) < 0)
log_warning("SO_BROADCAST failed: %m");
}
if (s->priority >= 0)
if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &s->priority, sizeof(s->priority)) < 0)
log_warning("SO_PRIORITY failed: %m");

1
src/socket.h
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@ -117,6 +117,7 @@ struct Socket {
bool keep_alive;
bool free_bind;
bool transparent;
bool broadcast;
int priority;
int mark;
size_t receive_buffer;