static void announce_friends_online_status(int sockfd) {
map<int, ClientInfo*> map_fdcl;
map<string, int> map_clfd;
//iterator for socketfd_to_clients map
map<int, ClientInfo*>::iterator it_fdcl;
//ierator for clients_to_sockfd map
map<string, int>::iterator it_clfd;
map<string, string> groups;
//iterator for friends within groups
map<string, string>::iterator it_f;
string friend_name, friends;
stringstream announcement;
int friend_sockfd, pos, next_pos, len;
char buff[BUFFER_LENGTH];
map_fdcl = server->get_sockfd_to_clients();
it_fdcl = map_fdcl.find(sockfd);
assert(it_fdcl != map_fdcl.end());
ClientInfo *client = it_fdcl->second;
groups = server->get_list_of_friends(client->get_username());
it_f = groups.begin();
for (; it_f != groups.end(); it_f++) {
friends = it_f->second;
next_pos = friends.find(",");
len = friends.length();
for (pos = 0; pos != string::npos && pos < len; pos = next_pos + 1, next_pos = friends.find(",", pos)) {
if (next_pos == string::npos) {
friend_name = friends.substr(pos, len);
next_pos = len;
}
else
friend_name = friends.substr(pos, next_pos);
dprintf("[SERVER]%s is friend of %s\n", friend_name.c_str(), client->get_username().c_str());
map_clfd = server->get_clients_to_sockfd();
it_clfd = map_clfd.find(friend_name);
if (it_clfd == map_clfd.end()) {
//friend is not online, do nothing
cout << friend_name << " is not online!\n";
continue;
}
friend_sockfd = it_clfd->second;
//send to friend_socket (client.username, client.ip, client.port);
announcement << FRIEND_IS_ONLINE << " " << client->get_username() << " " << client->get_ip() << " " <<
client->get_port();
cout << "Sending " << announcement << endl;
assert(send(friend_sockfd, announcement.str().c_str(), announcement.str().length() + 1, 0) >= 0);
server->send_friends_list(friend_sockfd, friend_name);
}
}
}
static void client_command(string line, int sockfd, Server *&server) {
if (line.find(CMD_REGISTER) == 0) {
int user_pos = line.find(" ") + 1,
pass_pos = line.find(" ", user_pos) + 1,
email_pos = line.find(" ", pass_pos) + 1;
server->register_client(sockfd,
line.substr(user_pos, pass_pos -1 - user_pos),
line.substr(pass_pos, email_pos - 1 - pass_pos),
line.substr(email_pos));
return;
}
ClientInfo *ci = server->get_clientInfo_by_sockfd(sockfd);
if (line.find(INFO_CLIENT_PORT) == 0) {
int port_pos = line.find(" ") + 1, port;
char port_ch[6];
assert(line.copy(port_ch, line.length() - port_pos, port_pos) > 0);
port = atoi(port_ch);
dprintf("[SERVER]received port %i\n", port);
assert(ci != NULL);
ci->set_port(port);
return;
}
if (line.find(CMD_AUTH) == 0) {
int user_pos = line.find(" ") + 1,
pass_pos = line.find(" ", user_pos) + 1,
ip_pos = line.find(" ", pass_pos) + 1;
server->authentication(sockfd,
line.substr(user_pos, pass_pos -1 - user_pos),
line.substr(pass_pos),
ci->get_ip(),
ci->get_port());
announce_friends_online_status(sockfd);
return;
}
if (ci->get_username().empty()) {
dprintf("[SERVER]Can not execute '%s'; user is not logged in\n", line.c_str());
assert(send(sockfd, ERR_MSG, strlen(ERR_MSG) + 1, 0) >= 0);
return;
}
if(line.find(CMD_ADD_USER) == 0){
dprintf("sending add_user command\n");
int user_pos = line.find(" ") + 1;
server->add_user(sockfd, line.substr(user_pos));
return;
}
if (line.find(CMD_REMOVE_USER) == 0) {
int user_pos = line.find(" ") + 1;
server->remove_user(sockfd, line.substr(user_pos));
return;
}
if (line.find(CMD_ADD_GROUP) == 0) {
int group_pos = line.find(" ") + 1;
server->add_group(sockfd, line.substr(group_pos), ci->get_username());
return;
}
if(line.find(CMD_DEL_GROUP) == 0) {
int group_pos = line.find(" ") + 1;
server->remove_group(sockfd,line.substr(group_pos));
return;
}
if(line.find(CMD_MV_USER) == 0) {
int user_pos= line.find(" ") + 1,
group_pos = line.find(" ",user_pos) + 1;
server-> move_user_to_group( sockfd,
line.substr(user_pos, group_pos-1 - user_pos),
line.substr(group_pos)
);
return;
}
if (line.find(CMD_CONN_CLIENT_TO_CLIENT_REQ) == 0) {
int username_pos = line.find(" ") + 1;
dprintf("[SERVER] processing %s request from %s to %s\n",
CMD_CONN_CLIENT_TO_CLIENT_REQ, ci->get_username().c_str(),
line.substr(username_pos).c_str());
server->send_user_ip(sockfd, line.substr(username_pos));
return;
}
if (line.find(CMD_GET_PROFILE) == 0) {
int user_pos = line.find(" ") + 1;
server->send_profile(sockfd, line.substr(user_pos));
return;
}
if (line.find(CMD_UPDATE_PROFILE) == 0) {
int name_pos = line.find(" ") + 1,
sname_pos = line.find(" ", name_pos) + 1,
phone_pos = line.find(" ", sname_pos) + 1,
hobb_pos = line.find(" ", phone_pos) + 1;
server->update_profile(
sockfd,
line.substr(name_pos, sname_pos - name_pos - 1),
line.substr(sname_pos, phone_pos - sname_pos - 1),
line.substr(phone_pos, hobb_pos - phone_pos - 1),
line.substr(hobb_pos));
return;
}
if (line.find(CMD_SEND_MSG) == 0) {
int user_src_pos = line.find(" ") + 1,
user_dst_pos = line.find(" ", user_src_pos) + 1,
msg_pos = line.find(" ", user_dst_pos) + 1;
server->send_msg_from_user_to_user(sockfd,
line.substr(user_src_pos, user_dst_pos - user_src_pos - 1),
line.substr(user_dst_pos, msg_pos - user_dst_pos - 1),
line.substr(msg_pos));
return;
}
if (line.find(INFO_CLIENT_PORT) == 0) {
int port_pos = line.find(" ") + 1, port;
char port_ch[6];
assert(line.copy(port_ch, line.length() - port_pos, port_pos) > 0);
port = atoi(port_ch);
dprintf("received port %i\n", port);
ClientInfo *ci = server->get_clientInfo_by_sockfd(sockfd);
assert(ci != NULL);
ci->set_port(port);
return;
}
if (line.find(CMD_SET_STATE) == 0) {
int state_pos = line.find(" ") + 1;
server->set_state(sockfd, line.substr(state_pos));
announce_friends_online_status(sockfd);
return;
}
if (line.find(CMD_SET_STATUS) == 0) {
int status_pos = line.find(" ") + 1;
server->set_status(sockfd, line.substr(status_pos));
announce_friends_online_status(sockfd);
return;
}
if (line.find(CMD_SEARCH_USER) == 0) {
int name_pos = line.find(" ") + 1,
surname_pos = line.find(" ", name_pos) + 1,
phone_pos = line.find(" ", surname_pos) + 1,
email_pos = line.find(" ", phone_pos) + 1;
server->search_user(sockfd,
line.substr(name_pos, surname_pos -1 - name_pos),
line.substr(surname_pos, phone_pos - 1 - surname_pos),
line.substr(phone_pos, email_pos - 1 - phone_pos),
line.substr(email_pos));
return;
}
}
