Add support for last seen information

3 files changed, 39 insertions, 0 deletions

diff --git a/hcid/hcid.h b/hcid/hcid.h
index 482cf589..a09c5198 100644
--- a/hcid/hcid.h
+++ b/hcid/hcid.h
@@ -23,6 +23,7 @@
  *
  */
 
+#include <time.h>
 #include <syslog.h>
 #include <sys/types.h>
 #include <sys/ioctl.h>
@@ -150,6 +151,7 @@ int write_device_name(bdaddr_t *local, bdaddr_t *peer, char *name);
 int read_device_name(bdaddr_t *local, bdaddr_t *peer, char *name);
 int write_version_info(bdaddr_t *local, bdaddr_t *peer, uint16_t manufacturer, uint8_t lmp_ver, uint16_t lmp_subver);
 int write_features_info(bdaddr_t *local, bdaddr_t *peer, unsigned char *features);
+int write_lastseen_info(bdaddr_t *local, bdaddr_t *peer, struct tm *tm);
 int write_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key, int type);
 int read_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key);
 int read_pin_code(bdaddr_t *local, bdaddr_t *peer, char *pin);
diff --git a/hcid/security.c b/hcid/security.c
index f4b46bfe..c3c8caeb 100644
--- a/hcid/security.c
+++ b/hcid/security.c
@@ -38,6 +38,7 @@
 #include <signal.h>
 #include <syslog.h>
 #include <time.h>
+#include <sys/time.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 
@@ -422,6 +423,17 @@ static inline void inquiry_complete(int dev, bdaddr_t *sba, void *ptr)
 	hcid_dbus_inquiry_complete(sba);
 }
 
+static inline void update_lastseen(bdaddr_t *sba, bdaddr_t *dba)
+{
+	time_t t;
+	struct tm *tm;
+
+	t = time(NULL);
+	tm = gmtime(&t);
+
+	write_lastseen_info(sba, dba, tm);
+}
+
 static inline void inquiry_result(int dev, bdaddr_t *sba, int plen, void *ptr)
 {
 	uint8_t num = *(uint8_t *) ptr++;
@@ -435,6 +447,8 @@ static inline void inquiry_result(int dev, bdaddr_t *sba, int plen, void *ptr)
 
 		hcid_dbus_inquiry_result(sba, &info->bdaddr, class, 0);
 
+		update_lastseen(sba, &info->bdaddr);
+
 		ptr += INQUIRY_INFO_SIZE;
 	}
 }
@@ -457,6 +471,8 @@ static inline void inquiry_result_with_rssi(int dev, bdaddr_t *sba, int plen, vo
 			hcid_dbus_inquiry_result(sba, &info->bdaddr,
 							class, info->rssi);
 
+			update_lastseen(sba, &info->bdaddr);
+
 			ptr += INQUIRY_INFO_WITH_RSSI_AND_PSCAN_MODE_SIZE;
 		}
 	} else {
@@ -469,6 +485,8 @@ static inline void inquiry_result_with_rssi(int dev, bdaddr_t *sba, int plen, vo
 			hcid_dbus_inquiry_result(sba, &info->bdaddr,
 							class, info->rssi);
 
+			update_lastseen(sba, &info->bdaddr);
+
 			ptr += INQUIRY_INFO_WITH_RSSI_SIZE;
 		}
 	}
@@ -487,6 +505,8 @@ static inline void extended_inquiry_result(int dev, bdaddr_t *sba, int plen, voi
 
 		hcid_dbus_inquiry_result(sba, &info->bdaddr, class, info->rssi);
 
+		update_lastseen(sba, &info->bdaddr);
+
 		ptr += EXTENDED_INQUIRY_INFO_SIZE;
 	}
 }
diff --git a/hcid/storage.c b/hcid/storage.c
index 02c5dc0c..063b6952 100644
--- a/hcid/storage.c
+++ b/hcid/storage.c
@@ -32,6 +32,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <malloc.h>
+#include <time.h>
 #include <sys/file.h>
 #include <sys/stat.h>
 #include <sys/param.h>
@@ -120,6 +121,22 @@ int write_features_info(bdaddr_t *local, bdaddr_t *peer, unsigned char *features
 	return textfile_put(filename, addr, str);
 }
 
+int write_lastseen_info(bdaddr_t *local, bdaddr_t *peer, struct tm *tm)
+{
+	char filename[PATH_MAX + 1], addr[18], str[24];
+
+	memset(str, 0, sizeof(str));
+	strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %Z", tm);
+
+	ba2str(local, addr);
+	snprintf(filename, PATH_MAX, "%s/%s/lastseen", STORAGEDIR, addr);
+
+	create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+	ba2str(peer, addr);
+	return textfile_put(filename, addr, str);
+}
+
 int write_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key, int type)
 {
 	char filename[PATH_MAX + 1], addr[18], str[35];