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knownnetworks: DBus objects for KnownNetworks

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Add ObjectManager objects with properties for each Known Network so that
signals are emitted for creation or removal of a Known Network and a
Property Changed is emitted on LastConnectedTime change.  Remove the
ListKnownNetworks method from the old KnownNetworks interface.

Note this breaks clients that used the known networks interface.
This commit is contained in:
Andrew Zaborowski 2018-07-31 16:37:04 +02:00 committed by Denis Kenzior
parent 319b6416de
commit c651bed28f
2 changed files with 115 additions and 53 deletions
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1
src/dbus.h
View File

@ -31,6 +31,7 @@
#define IWD_AGENT_INTERFACE "net.connman.iwd.Agent"
#define IWD_WSC_INTERFACE "net.connman.iwd.WiFiSimpleConfiguration"
#define IWD_KNOWN_NETWORKS_INTERFACE "net.connman.iwd.KnownNetworks"
#define IWD_KNOWN_NETWORK_INTERFACE "net.connman.iwd.KnownNetwork"
#define IWD_SIGNAL_AGENT_INTERFACE "net.connman.iwd.SignalLevelAgent"
#define IWD_AP_INTERFACE "net.connman.iwd.AccessPoint"
#define IWD_ADHOC_INTERFACE "net.connman.iwd.AdHoc"

167
src/knownnetworks.c
View File

@ -27,6 +27,7 @@
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <ell/ell.h>
@ -62,6 +63,39 @@ static int timespec_compare(const void *a, const void *b, void *user_data)
return 0;
}
static const char *iwd_known_network_get_path(
const struct network_info *network)
{
static char path[256];
unsigned int pos = 0, i;
path[pos++] = '/';
for (i = 0; network->ssid[i] && pos < sizeof(path); i++)
pos += snprintf(path + pos, sizeof(path) - pos, "%02x",
network->ssid[i]);
snprintf(path + pos, sizeof(path) - pos, "_%s",
security_to_str(network->type));
return path;
}
static void known_network_register_dbus(struct network_info *network)
{
const char *path = iwd_known_network_get_path(network);
if (!l_dbus_object_add_interface(dbus_get_bus(), path,
IWD_KNOWN_NETWORK_INTERFACE, network))
l_info("Unable to register %s interface",
IWD_KNOWN_NETWORK_INTERFACE);
if (!l_dbus_object_add_interface(dbus_get_bus(), path,
L_DBUS_INTERFACE_PROPERTIES, network))
l_info("Unable to register %s interface",
L_DBUS_INTERFACE_PROPERTIES);
}
static bool known_networks_add(const char *ssid, enum security security)
{
struct network_info *network;
@ -92,6 +126,8 @@ static bool known_networks_add(const char *ssid, enum security security)
l_queue_insert(known_networks, network, timespec_compare, NULL);
known_network_register_dbus(network);
return true;
}
@ -109,6 +145,9 @@ static bool known_networks_forget(const char *ssid, enum security security)
if (network->is_hidden)
num_known_hidden_networks--;
l_dbus_unregister_object(dbus_get_bus(),
iwd_known_network_get_path(network));
/*
* network_info_forget_known will either re-add the network_info to
* its seen networks lists or call network_info_free.
@ -156,58 +195,14 @@ void known_networks_connected(struct network_info *network)
if (is_new && network->is_hidden)
num_known_hidden_networks++;
}
static bool known_network_append_properties(
const struct network_info *network,
void *user_data)
{
struct l_dbus_message_builder *builder = user_data;
char datestr[64];
struct tm tm;
l_dbus_message_builder_enter_array(builder, "{sv}");
dbus_dict_append_string(builder, "Name", network->ssid);
dbus_dict_append_string(builder, "Type",
security_to_str(network->type));
if (network->connected_time.tv_sec != 0) {
gmtime_r(&network->connected_time.tv_sec, &tm);
if (strftime(datestr, sizeof(datestr), "%FT%TZ", &tm))
dbus_dict_append_string(builder, "LastConnectedTime",
datestr);
}
l_dbus_message_builder_leave_array(builder);
return true;
}
static struct l_dbus_message *list_known_networks(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)
{
struct l_dbus_message *reply;
struct l_dbus_message_builder *builder;
if (!l_dbus_message_get_arguments(message, ""))
return dbus_error_invalid_args(message);
reply = l_dbus_message_new_method_return(message);
builder = l_dbus_message_builder_new(reply);
l_dbus_message_builder_enter_array(builder, "a{sv}");
known_networks_foreach(known_network_append_properties, builder);
l_dbus_message_builder_leave_array(builder);
l_dbus_message_builder_finalize(builder);
l_dbus_message_builder_destroy(builder);
return reply;
if (is_new)
known_network_register_dbus(network);
else
l_dbus_property_changed(dbus_get_bus(),
iwd_known_network_get_path(network),
IWD_KNOWN_NETWORK_INTERFACE,
"LastConnectedTime");
}
static struct l_dbus_message *forget_network(struct l_dbus *dbus,
@ -240,12 +235,68 @@ static struct l_dbus_message *forget_network(struct l_dbus *dbus,
static void setup_known_networks_interface(struct l_dbus_interface *interface)
{
l_dbus_interface_method(interface, "ListKnownNetworks", 0,
list_known_networks, "aa{sv}", "", "networks");
l_dbus_interface_method(interface, "ForgetNetwork", 0,
forget_network, "", "ss", "name", "type");
}
static bool known_network_property_get_name(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct network_info *network = user_data;
l_dbus_message_builder_append_basic(builder, 's', network->ssid);
return true;
}
static bool known_network_property_get_type(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct network_info *network = user_data;
l_dbus_message_builder_append_basic(builder, 's',
security_to_str(network->type));
return true;
}
static bool known_network_property_get_last_connected(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct network_info *network = user_data;
char datestr[64];
struct tm tm;
if (network->connected_time.tv_sec == 0)
return false;
gmtime_r(&network->connected_time.tv_sec, &tm);
if (!strftime(datestr, sizeof(datestr), "%FT%TZ", &tm))
return false;
l_dbus_message_builder_append_basic(builder, 's', datestr);
return true;
}
static void setup_known_network_interface(struct l_dbus_interface *interface)
{
l_dbus_interface_property(interface, "Name", 0, "s",
known_network_property_get_name, NULL);
l_dbus_interface_property(interface, "Type", 0, "s",
known_network_property_get_type, NULL);
l_dbus_interface_property(interface, "LastConnectedTime", 0, "s",
known_network_property_get_last_connected,
NULL);
}
bool known_networks_init(void)
{
struct l_dbus *dbus = dbus_get_bus();
@ -269,11 +320,20 @@ bool known_networks_init(void)
return false;
}
if (!l_dbus_register_interface(dbus, IWD_KNOWN_NETWORK_INTERFACE,
setup_known_network_interface,
NULL, false)) {
l_info("Unable to register %s interface",
IWD_KNOWN_NETWORK_INTERFACE);
return false;
}
dir = opendir(STORAGEDIR);
if (!dir) {
l_info("Unable to open %s: %s", STORAGEDIR, strerror(errno));
l_dbus_unregister_object(dbus, IWD_KNOWN_NETWORKS_PATH);
l_dbus_unregister_interface(dbus, IWD_KNOWN_NETWORKS_INTERFACE);
l_dbus_unregister_interface(dbus, IWD_KNOWN_NETWORK_INTERFACE);
return false;
}
@ -308,4 +368,5 @@ void known_networks_exit(void)
l_dbus_unregister_object(dbus, IWD_KNOWN_NETWORKS_PATH);
l_dbus_unregister_interface(dbus, IWD_KNOWN_NETWORKS_INTERFACE);
l_dbus_unregister_interface(dbus, IWD_KNOWN_NETWORK_INTERFACE);
}