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dbus: Use native ell kdbus calls

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It seems until now dbus.c would always connect to dbus-1 (unless
DBUS_SESSION_BUS_ADDRESS pointed at kdbus) and passing -K only made
iwd create a kdbus bus and not use it.  Now use ell to actually use
kdbus instead of dbus-1 with -K.  Don't use the src/kdbus.c functions
that duplicate ell functionality.  As a side effect the connection
description and the bloom sizes are now the ell defaults.
This commit is contained in:
Andrew Zaborowski 2016-04-01 04:27:37 +02:00 committed by Denis Kenzior
parent f983196d44
commit 79839dbfd6
3 changed files with 35 additions and 37 deletions
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32
src/dbus.c
View File

@ -24,11 +24,16 @@
#include <config.h>
#endif
#include <unistd.h>
#include <stdio.h>
#include <ell/ell.h>
#include <ell/dbus-private.h>
#include "src/dbus.h"
#include "src/manager.h"
struct l_dbus *g_dbus = 0;
static int kdbus_fd = -1;
static void do_debug(const char *str, void *user_data)
{
@ -204,9 +209,31 @@ struct l_dbus *dbus_get_bus(void)
return g_dbus;
}
bool dbus_init(bool enable_debug)
bool dbus_init(bool enable_debug, bool use_kdbus)
{
if (!use_kdbus)
g_dbus = l_dbus_new_default(L_DBUS_SYSTEM_BUS);
else {
char bus_name[32], bus_address[64];
snprintf(bus_name, sizeof(bus_name), "%u-iwd", getuid());
kdbus_fd = _dbus_kernel_create_bus(bus_name);
if (kdbus_fd < 0)
return false;
snprintf(bus_address, sizeof(bus_address),
"kernel:path=/dev/kdbus/%s/bus", bus_name);
l_debug("Bus location: %s", bus_address);
g_dbus = l_dbus_new(bus_address);
if (!g_dbus) {
close(kdbus_fd);
return false;
}
}
if (enable_debug)
l_dbus_set_debug(g_dbus, do_debug, "[DBUS] ", NULL);
@ -229,5 +256,8 @@ bool dbus_exit(void)
l_dbus_destroy(g_dbus);
g_dbus = NULL;
if (kdbus_fd >= 0)
close(kdbus_fd);
return true;
}

2
src/dbus.h
View File

@ -61,5 +61,5 @@ struct l_dbus_message *dbus_error_no_agent(struct l_dbus_message *msg);
struct l_dbus_message *dbus_error_not_connected(struct l_dbus_message *msg);
struct l_dbus_message *dbus_error_not_implemented(struct l_dbus_message *msg);
bool dbus_init(bool enable_debug);
bool dbus_init(bool enable_debug, bool use_kdbus);
bool dbus_exit(void);

34
src/main.c
View File

@ -33,7 +33,6 @@
#include "src/netdev.h"
#include "src/wiphy.h"
#include "src/kdbus.h"
#include "src/dbus.h"
#include "src/agent.h"
#include "src/network.h"
@ -165,38 +164,11 @@ int main(int argc, char *argv[])
l_info("Wireless daemon version %s", VERSION);
if (enable_kdbus) {
char *bus_name;
bool result;
if (!kdbus_create_bus()) {
if (!dbus_init(enable_dbus_debug, enable_kdbus)) {
exit_status = EXIT_FAILURE;
goto done;
}
bus_name = kdbus_lookup_bus();
if (!bus_name) {
exit_status = EXIT_FAILURE;
goto fail_dbus;
}
l_debug("Bus location: %s", bus_name);
result = kdbus_open_bus(bus_name, "net.connman.iwd", "iwd");
l_free(bus_name);
if (!result) {
exit_status = EXIT_FAILURE;
goto fail_dbus;
}
}
if (!dbus_init(enable_dbus_debug)) {
exit_status = EXIT_FAILURE;
goto fail_dbus;
}
genl = l_genl_new_default();
if (!genl) {
l_error("Failed to open generic netlink socket");
@ -244,10 +216,6 @@ fail_netdev:
fail_genl:
dbus_exit();
fail_dbus:
if (enable_kdbus)
kdbus_destroy_bus();
done:
l_signal_remove(signal);
l_timeout_remove(timeout);