hwsim: DBus methods for creating and destroying radios

This commit is contained in:
Andrew Zaborowski 2017-03-10 12:29:04 +01:00 committed by Denis Kenzior
parent 97257c3891
commit 257aa441a1
1 changed files with 182 additions and 4 deletions

View File

@ -35,11 +35,12 @@
#include "src/util.h"
#include "src/storage.h"
#include "src/dbus.h"
#define HWSIM_RADIO_MANAGER_INTERFACE "net.connman.iwd.hwsim.RadioManager"
#define HWSIM_RADIO_INTERFACE "net.connman.iwd.hwsim.Radio"
#define HWSIM_INTERFACE_INTERFACE "net.connman.iwd.hwsim.Interface"
#define HWSIM_SERVICE "net.connman.iwd.hwsim"
#define HWSIM_RADIO_MANAGER_INTERFACE HWSIM_SERVICE ".RadioManager"
#define HWSIM_RADIO_INTERFACE HWSIM_SERVICE ".Radio"
#define HWSIM_INTERFACE_INTERFACE HWSIM_SERVICE ".Interface"
enum {
HWSIM_CMD_UNSPEC,
@ -268,6 +269,9 @@ struct interface_info_rec {
static struct l_queue *radio_info;
static struct l_queue *interface_info;
static struct l_dbus_message *pending_create_msg;
static uint32_t pending_create_radio_id;
static void radio_free(void *user_data)
{
struct radio_info_rec *rec = user_data;
@ -333,6 +337,33 @@ static const char *interface_get_path(const struct interface_info_rec *rec)
return path;
}
static struct l_dbus_message *dbus_error_busy(struct l_dbus_message *msg)
{
return l_dbus_message_new_error(msg, HWSIM_SERVICE ".InProgress",
"Operation already in progress");
}
static struct l_dbus_message *dbus_error_failed(struct l_dbus_message *msg)
{
return l_dbus_message_new_error(msg, HWSIM_SERVICE ".Failed",
"Operation failed");
}
static struct l_dbus_message *dbus_error_invalid_args(
struct l_dbus_message *msg)
{
return l_dbus_message_new_error(msg, HWSIM_SERVICE ".InvalidArgs",
"Argument type is wrong");
}
static void dbus_pending_reply(struct l_dbus_message **msg,
struct l_dbus_message *reply)
{
l_dbus_send(dbus, reply);
l_dbus_message_unref(*msg);
*msg = NULL;
}
static bool parse_addresses(const uint8_t *buf, size_t len,
struct radio_info_rec *rec)
{
@ -546,11 +577,25 @@ static void get_radio_callback(struct l_genl_msg *msg, void *user_data)
HWSIM_RADIO_INTERFACE, "Name");
}
/* Send pending CreateRadio reply */
if (pending_create_msg && pending_create_radio_id == rec->id) {
struct l_dbus_message *reply =
l_dbus_message_new_method_return(pending_create_msg);
l_dbus_message_set_arguments(reply, "o", path);
dbus_pending_reply(&pending_create_msg, reply);
}
return;
err_free_radio:
if (!old)
radio_free(rec);
if (pending_create_msg && pending_create_radio_id == *id)
dbus_pending_reply(&pending_create_msg,
dbus_error_failed(pending_create_msg));
}
static void get_wiphy_callback(struct l_genl_msg *msg, void *user_data)
@ -855,8 +900,137 @@ static void nl80211_config_notify(struct l_genl_msg *msg, void *user_data)
}
}
static void radio_manager_create_callback(struct l_genl_msg *msg,
void *user_data)
{
struct l_dbus_message *reply;
struct l_genl_attr attr;
struct radio_info_rec *radio;
int err;
/*
* Note that the radio id is returned in the error field of
* the returned message.
*/
if (l_genl_attr_init(&attr, msg))
goto error;
err = l_genl_msg_get_error(msg);
if (err < 0)
goto error;
pending_create_radio_id = err;
/*
* If the NEW_RADIO event has been received we'll have added the
* radio to radio_info already but we can send the method return
* only now that we know the ID returned by our command.
*/
radio = l_queue_find(radio_info, radio_info_match_id,
L_UINT_TO_PTR(pending_create_radio_id));
if (radio) {
const char *path = radio_get_path(radio);
reply = l_dbus_message_new_method_return(pending_create_msg);
l_dbus_message_set_arguments(reply, "o", path);
dbus_pending_reply(&pending_create_msg, reply);
}
return;
error:
reply = dbus_error_failed(pending_create_msg);
dbus_pending_reply(&pending_create_msg, reply);
}
static struct l_dbus_message *radio_manager_create(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)
{
struct l_genl_msg *new_msg;
const char *name;
bool p2p;
if (pending_create_msg)
return dbus_error_busy(message);
if (!l_dbus_message_get_arguments(message, "sb", &name, &p2p))
return dbus_error_invalid_args(message);
new_msg = l_genl_msg_new_sized(HWSIM_CMD_NEW_RADIO, 16 + strlen(name));
l_genl_msg_append_attr(new_msg, HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE,
0, NULL);
if (name[0])
l_genl_msg_append_attr(new_msg, HWSIM_ATTR_RADIO_NAME,
strlen(name), name);
if (p2p)
l_genl_msg_append_attr(new_msg, HWSIM_ATTR_SUPPORT_P2P_DEVICE,
0, NULL);
l_genl_family_send(hwsim, new_msg, radio_manager_create_callback,
pending_create_msg, NULL);
pending_create_msg = l_dbus_message_ref(message);
pending_create_radio_id = 0;
return NULL;
}
static void setup_radio_manager_interface(struct l_dbus_interface *interface)
{
l_dbus_interface_method(interface, "CreateRadio", 0,
radio_manager_create, "o", "sb",
"path", "name", "p2p_device");
}
static void radio_destroy_callback(struct l_genl_msg *msg, void *user_data)
{
struct l_dbus_message *message = user_data;
struct l_dbus_message *reply;
struct l_genl_attr attr;
int err;
if (l_genl_attr_init(&attr, msg))
goto error;
err = l_genl_msg_get_error(msg);
if (err < 0)
goto error;
reply = l_dbus_message_new_method_return(message);
l_dbus_message_set_arguments(reply, "");
dbus_pending_reply(&message, reply);
return;
error:
reply = dbus_error_failed(message);
dbus_pending_reply(&message, reply);
}
static struct l_dbus_message *radio_destroy(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)
{
struct l_genl_msg *del_msg;
struct radio_info_rec *radio = user_data;
del_msg = l_genl_msg_new_sized(HWSIM_CMD_DEL_RADIO, 8);
l_genl_msg_append_attr(del_msg, HWSIM_ATTR_RADIO_ID, 4, &radio->id);
l_genl_family_send(hwsim, del_msg, radio_destroy_callback,
l_dbus_message_ref(message), NULL);
return NULL;
}
static bool radio_property_get_name(struct l_dbus *dbus,
@ -953,6 +1127,8 @@ static bool radio_property_get_regdom(struct l_dbus *dbus,
static void setup_radio_interface(struct l_dbus_interface *interface)
{
l_dbus_interface_method(interface, "Destroy", 0, radio_destroy, "", "");
l_dbus_interface_property(interface, "Name", 0, "s",
radio_property_get_name, NULL);
l_dbus_interface_property(interface, "Addresses", 0, "s",
@ -1386,6 +1562,8 @@ int main(int argc, char *argv[])
l_genl_family_unref(nl80211);
l_genl_unref(genl);
if (pending_create_msg)
l_dbus_message_unref(pending_create_msg);
l_dbus_destroy(dbus);
hwsim_radio_cache_cleanup();