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authorChengyi Zhao <chengyi1.zhao@archermind.com>2013-07-10 12:00:36 (GMT)
committerZhang zhengguang <zhengguang.zhang@intel.com>2014-07-31 07:51:58 (GMT)
commit98e2712f340ff1a0ae236b99046b9f6b76453b5e (patch)
treee0624f744870cad5b6362deb1bd63bd24dc3d021 /src/tethering.c
parent3876a631e2677a8281b3b23ae8e3b403099e173c (diff)
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Tethering: Notify listeners when station connection changes
Change-Id: I048c1a8a348b6f862ca104ad2fbe971f580fe180
Diffstat (limited to 'src/tethering.c')
-rw-r--r--src/tethering.c85
1 files changed, 84 insertions, 1 deletions
diff --git a/src/tethering.c b/src/tethering.c
index 5105da1..44c3a93 100644
--- a/src/tethering.c
+++ b/src/tethering.c
@@ -89,6 +89,32 @@ struct connman_station_info {
char hostname[CONNMAN_STATION_STR_INFO_LEN];
};
+static void emit_station_signal(char *action_str,
+ const struct connman_station_info *station_info)
+{
+ char *ip, *mac, *hostname;
+
+ if (station_info->path == NULL || station_info->type == NULL
+ || station_info->ip == NULL || station_info->mac == NULL
+ || station_info->hostname == NULL)
+ return;
+
+ ip = g_strdup(station_info->ip);
+ mac = g_strdup(station_info->mac);
+ hostname = g_strdup(station_info->hostname);
+
+ g_dbus_emit_signal(connection, station_info->path,
+ CONNMAN_TECHNOLOGY_INTERFACE, action_str,
+ DBUS_TYPE_STRING, &station_info->type,
+ DBUS_TYPE_STRING, &ip,
+ DBUS_TYPE_STRING, &mac,
+ DBUS_TYPE_STRING, &hostname,
+ DBUS_TYPE_INVALID);
+
+ g_free(ip);
+ g_free(mac);
+ g_free(hostname);
+}
static void destroy_station(gpointer key, gpointer value, gpointer user_data)
{
struct connman_station_info *station_info;
@@ -97,11 +123,59 @@ static void destroy_station(gpointer key, gpointer value, gpointer user_data)
station_info = value;
+ if (station_info->is_connected) {
+ station_info->is_connected = FALSE;
+ emit_station_signal("DhcpLeaseDeleted", station_info);
+ }
+
g_free(station_info->path);
g_free(station_info->type);
g_free(station_info);
}
+static void save_dhcp_ack_lease_info(char *hostname,
+ unsigned char *mac, unsigned int nip)
+{
+ char *lower_mac;
+ const char *ip;
+ char sta_mac[CONNMAN_STATION_MAC_INFO_LEN];
+ struct connman_station_info *info_found;
+ struct in_addr addr;
+ int str_len;
+
+ __sync_synchronize();
+
+ snprintf(sta_mac, CONNMAN_STATION_MAC_INFO_LEN,
+ "%02x:%02x:%02x:%02x:%02x:%02x",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ lower_mac = g_ascii_strdown(sta_mac, -1);
+
+ info_found = g_hash_table_lookup(sta_hash, lower_mac);
+ if (info_found == NULL) {
+ g_free(lower_mac);
+ return;
+ }
+
+ /* get the ip */
+ addr.s_addr = nip;
+ ip = inet_ntoa(addr);
+ str_len = strlen(ip) + 1;
+ if (str_len > CONNMAN_STATION_STR_INFO_LEN)
+ str_len = CONNMAN_STATION_STR_INFO_LEN - 1;
+ memcpy(info_found->ip, ip, str_len);
+
+ /* get hostname */
+ str_len = strlen(hostname) + 1;
+ if (str_len > CONNMAN_STATION_STR_INFO_LEN)
+ str_len = CONNMAN_STATION_STR_INFO_LEN - 1;
+ memcpy(info_found->hostname, hostname, str_len);
+
+ /* emit a signal */
+ info_found->is_connected = TRUE;
+ emit_station_signal("DhcpConnected", info_found);
+ g_free(lower_mac);
+}
+
int connman_technology_tethering_add_station(enum connman_service_type type,
const char *mac)
{
@@ -146,9 +220,15 @@ int connman_technology_tethering_remove_station(const char *mac)
lower_mac = g_ascii_strdown(mac, -1);
info_found = g_hash_table_lookup(sta_hash, lower_mac);
- if (info_found == NULL)
+ if (info_found == NULL) {
+ g_free(lower_mac);
return -EACCES;
+ }
+ if (info_found->is_connected) {
+ info_found->is_connected = FALSE;
+ emit_station_signal("DhcpLeaseDeleted", info_found);
+ }
g_free(lower_mac);
g_hash_table_remove(sta_hash, info_found->mac);
g_free(info_found->path);
@@ -243,6 +323,9 @@ static GDHCPServer *dhcp_server_start(const char *bridge,
g_dhcp_server_set_option(dhcp_server, G_DHCP_DNS_SERVER, dns);
g_dhcp_server_set_ip_range(dhcp_server, start_ip, end_ip);
+ g_dhcp_server_set_save_ack_lease(dhcp_server,
+ save_dhcp_ack_lease_info, NULL);
+
g_dhcp_server_start(dhcp_server);
return dhcp_server;