static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
int status;
uint8_t battery_level;
switch(state){
case TC_W4_SERVICE_RESULT:
switch(hci_event_packet_get_type(packet)){
case GATT_EVENT_SERVICE_QUERY_RESULT:
gatt_event_service_query_result_get_service(packet, &battery_service);
dump_service(&battery_service);
break;
case GATT_EVENT_QUERY_COMPLETE:
if (packet[4] != 0){
printf("SERVICE_QUERY_RESULT - Error status %x.\n", packet[4]);
add_to_blacklist(report.address);
gap_disconnect(connection_handle);
break;
}
state = TC_W4_CHARACTERISTIC_RESULT;
printf("\nSearch for battery level characteristic.\n");
gatt_client_discover_characteristics_for_service_by_uuid16(handle_gatt_client_event, connection_handle, &battery_service, battery_level_characteristic_uuid);
break;
default:
break;
}
break;
case TC_W4_CHARACTERISTIC_RESULT:
switch(hci_event_packet_get_type(packet)){
case GATT_EVENT_CHARACTERISTIC_QUERY_RESULT:
gatt_event_characteristic_query_result_get_characteristic(packet, &config_characteristic);
dump_characteristic(&config_characteristic);
break;
case GATT_EVENT_QUERY_COMPLETE:
if (packet[4] != 0){
printf("CHARACTERISTIC_QUERY_RESULT - Error status %x.\n", packet[4]);
add_to_blacklist(report.address);
gap_disconnect(connection_handle);
break;
}
state = TC_W4_BATTERY_DATA;
printf("\nConfigure battery level characteristic for notify.\n");
status = gatt_client_write_client_characteristic_configuration(handle_gatt_client_event, connection_handle, &config_characteristic, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION);
if (status != 0){
printf("\nNotification not supported. Query value of characteristic.\n");
gatt_client_read_value_of_characteristic(handle_gatt_client_event, connection_handle, &config_characteristic);
}
break;
default:
break;
}
break;
case TC_W4_BATTERY_DATA:
switch(hci_event_packet_get_type(packet)){
case GATT_EVENT_NOTIFICATION:
printf("\nBattery Data:\n");
dump_characteristic_value(&packet[8], little_endian_read_16(packet, 6));
break;
case GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT:
if (gatt_event_characteristic_value_query_result_get_value_length(packet) < 1) break;
battery_level = gatt_event_characteristic_value_query_result_get_value(packet)[0];
printf("Battry level %d \n", battery_level);
break;
case GATT_EVENT_QUERY_COMPLETE:
if (packet[4] != 0){
printf("CHARACTERISTIC_VALUE_QUERY_RESULT - Error status %x.\n", packet[4]);
break;
}
// Use timer if repeated request is needed and notification is not supperted
gap_disconnect(connection_handle);
break;
default:
printf("Unknown packet type %x\n", hci_event_packet_get_type(packet));
break;
}
break;
default:
printf("error\n");
break;
}
}
/*thread function which's job is to carry out the order from the user*/
void *handle_main()
{
system("clear");
printf("Welcome to The Chatting program!User name:%s\n1.query the online users\n2.send message to someone\n3.send message to everyone\n4.View messages\n5.add someone to blacklist\n6.remove someone from blacklist\n7.View blacklist!\n(c)cls,(#)exit\n===================================================\n",usrname);
while(true)
{
gets(buffer);
if(strlen(buffer)!=1)
{
printf("input error!\n");
}
else if(buffer[0]=='1'){ /*query the online users*/
send_msg.service = 0X02;
int len=YY_MSG_HEADER_LENGTH;
stcp_client_send(sockfd,&len,sizeof(int));
stcp_client_send(sockfd,&send_msg,len);
pthread_mutex_lock(&wait_mutex);
while(wait!=0x13)
pthread_cond_wait(&wait_cond,&wait_mutex);
wait=0x00;
pthread_mutex_unlock(&wait_mutex);
unsigned char online_users = (unsigned char)rec_msg.msg_content[0];
char *users=rec_msg.msg_content+1;
int i;
printf("Online users:\n");
for(i=0;i<online_users;i++)
printf("User name: %s\n",users+i*20);
}
else if(buffer[0]=='2')
{ /*send messages to someone!*/
bool success=false;
send_msg.service = 0x03;
printf("Please enter the receive user's name:");
while(!success)
{
gets(buffer);
if(strlen(buffer)>20)
{
printf("The user name inputed is too long!input again:\n");
continue;
}
else
{
bool illegal=false;
int i=0;
for(i;i<strlen(buffer);i++)
{
if(!(('a'<=buffer[i]&& 'z'>=buffer[i]) ||('A'<=buffer[i] && 'Z' >=buffer[i])||('0'<=buffer[i] && '9'>=buffer[i])) )
{
printf("The input is illegal!input again:\n");
illegal=true;
break;
}
}
if(illegal)
continue;
}
strcpy(send_msg.rec_usr,buffer);
/*query whether the user is online*/
int len=YY_MSG_HEADER_LENGTH;
stcp_client_send(sockfd,&len,sizeof(int));
stcp_client_send(sockfd,&send_msg,len);
pthread_mutex_lock(&wait_mutex);
while(wait!=0x14 && wait!=0x15)
pthread_cond_wait(&wait_cond,&wait_mutex);
wait=0x00;
pthread_mutex_unlock(&wait_mutex);
if(rec_msg.service == 0x15){
success=true;
break;
}
else{
printf("The user is not exist or not online!\n");
break;
}
}
if(success){
printf("Iuput the message content:\n");
gets(send_msg.msg_content);
send_msg.service = 0x04;
int len=YY_MSG_HEADER_LENGTH+strlen(send_msg.msg_content);
stcp_client_send(sockfd,&len,sizeof(int));
stcp_client_send(sockfd,&send_msg,len);
printf("The message has been sent out!\n");
}
}
else if(buffer[0]=='3')
{ /*send messages to everyone!*/
send_msg.service = 0x05;
printf("Iuput the message content:\n");
gets(send_msg.msg_content);
strcpy(send_msg.rec_usr,"everyone");
int len = YY_MSG_HEADER_LENGTH+strlen(send_msg.msg_content);
stcp_client_send(sockfd,&len,sizeof(int));
stcp_client_send(sockfd,&send_msg,len);
printf("The message has been sent out!\n");
}
else if(buffer[0]=='4')
{ /*View the history messages!*/
if(msg_num==0)
printf("No history messages!\n");
else {
printf("The history messages :\n");
int i;
for(i=0;i<msg_num;i++)
{
struct YY_MSG *msg=&history_msgs[(i+first_msg)%MAX_MSG_NUM];
printf("%s(to %s):%s\n",msg->send_usr,msg->rec_usr,msg->msg_content);
}
}
}
else if(buffer[0]=='5')
{ /*add someone to blacklist*/
bool success=false;
send_msg.service = 0x03;
printf("Please input the user's name:");
while(!success)
{
gets(buffer);
if(strlen(buffer)>20)
{
printf("The user name inputed is too long!input again:\n");
continue;
}
else
{
bool illegal=false;
int i=0;
for(i;i<strlen(buffer);i++)
{
if(!(('a'<=buffer[i]&& 'z'>=buffer[i]) ||('A'<=buffer[i] && 'Z' >=buffer[i])||('0'<=buffer[i] && '9'>=buffer[i])) )
{
printf("The input is illegal!input again:\n");
illegal=true;
continue;
}
}
if(illegal)
continue;
}
strcpy(send_msg.rec_usr,buffer);
int len = YY_MSG_HEADER_LENGTH;
stcp_client_send(sockfd,&len,sizeof(int));
stcp_client_send(sockfd,&send_msg,len);
pthread_mutex_lock(&wait_mutex);
while(wait!=0x14 && wait!=0x15)
pthread_cond_wait(&wait_cond,&wait_mutex);
wait=0x00;
pthread_mutex_unlock(&wait_mutex);
if(rec_msg.service == 0x15){
success=true;
break;
}
else{
printf("The user is not exist or not online!\n");
break;
}
}
add_to_blacklist();
}
else if(buffer[0]=='6'){
/*remove someone from blacklist*/
printf("Please input the user's name:");
gets(buffer);
delete_from_blacklist();
}
else if(buffer[0]=='7')
{
/*View blacklist*/
if(blacklistnum==0) printf("NO ONE!\n");
else {
printf("blacklist:\n");
int i=0;
for(i;i<blacklistnum;i++)
printf("%s",blacklist[i]);
}
}
else if(buffer[0]=='#'){
exit(0);
}
else if(buffer[0]=='c'){
system("clear");
printf("Welcome to The Chatting program!User name:%s\n1.query the online users\n2.send message to someone\n3.send message to everyone\n4.View messages\n5.add someone to blacklist\n6.remove someone from blacklist\n7.View blacklist!\n(c)cls,(#)exit\n===================================================\n",usrname);
}
else printf("input error!\n");
}
pthread_exit(NULL);
}