MbClientHandle
mb_client_register_source(int id, int pages)
{
mbclient* client = get_client_by_id(id);
if (client == NULL) {
client = malloc(sizeof(mbclient));
if (client == NULL) {
return NULL;
}
memset(&(client->sock), 0, sizeof(struct sockaddr_un));
client->id = id;
client->pages = pages;
client->source_pages = pages < 0 ? 0 : pages;
client->fd = 0;
client->is_bidi = 1;
if (client_register(client) < 0) {
free(client);
return NULL;
} else {
client->next = mb_default_client.next;
mb_default_client.next = client;
}
} else {
if (!(client->is_bidi != 1) ||
client->source_pages != (unsigned int)pages)
client = NULL;
}
return client;
}
MbClientHandle
mb_client_register(int id, int is_bidi)
{
mbclient* client = get_client_by_id(id);
if (client == NULL) {
client = malloc(sizeof(mbclient));
if (client == NULL) {
return NULL;
}
memset(&(client->sock), 0, sizeof(struct sockaddr_un));
client->id = id;
client->pages = 0;
client->source_pages = 0;
client->fd = 0;
client->is_bidi = is_bidi ? 1 : 0;
if (client_register(client) < 0) {
free (client);
return NULL;
} else {
client->next = mb_default_client.next;
mb_default_client.next = client;
}
} else {
if (client->is_bidi != is_bidi)
client = NULL;
}
return client;
}
int server_process_packet(struct sockaddr_in *from) {
unsigned int from_address = ntohl(from->sin_addr.s_addr);
unsigned short from_port = ntohs(from->sin_port);
char *inet_addr = inet_ntoa(from->sin_addr);
if (packet_data[0] == C_HANDSHAKE) {
std::cerr << "client @ " << inet_addr << ":" << from_port << " :handshake request\n";
int newclient_id = server_add_client(from);
if (newclient_id < 0) { std::cerr << "server_add_client: error.\n"; return -1; }
interm_buf[0] = S_HANDSHAKE_OK;
interm_buf[1] = newclient_id;
interm_buf[2] = 0;
struct client *newclient = get_client_by_id(newclient_id);
server_send_packet(interm_buf, 2, newclient);
server_post_peer_list();
}
else if (packet_data[0] == C_QUIT) {
unsigned short id = packet_data[1];
struct client *quitting_client = get_client_by_id(id);
if (quitting_client) {
std::cerr << "Client " << quitting_client->name << " with id " << quitting_client->id << " quitting.\n";
server_remove_client(id);
}
else {
std::cerr << "client with id " << id << "not found.\n";
}
}
else if (packet_data[0] == C_KEYSTATE) {
unsigned short id = packet_data[1];
client *c = get_client_by_id(id);
if (c) {
c->keystate = packet_data[2];
server_update_client_status(c);
server_post_position_update(c);
}
}
else {
return 0;
}
}
