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Added custom broadcasts file

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This commit is contained in:
Arkhist
2019-04-21 23:25:37 +02:00
parent 0aff1032dd
commit b9e2b5fa40
5 changed files with 95 additions and 15 deletions
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27
dll/network.cpp
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@ -280,7 +280,7 @@ static int receive_packet(sock_t sock, IP_PORT *ip_port, char *data, unsigned lo
return -1;
}
static bool send_broadcasts(sock_t sock, uint16 port, char *data, unsigned long length)
static bool send_broadcasts(sock_t sock, uint16 port, char *data, unsigned long length, uint32_t *custom_broadcasts)
{
static std::chrono::high_resolution_clock::time_point last_get_broadcast_info;
if (number_broadcasts < 0 || check_timedout(last_get_broadcast_info, 60.0)) {
@ -302,6 +302,23 @@ static bool send_broadcasts(sock_t sock, uint16 port, char *data, unsigned long
IP_PORT ip_port = broadcasts[i];
}
/**
* Custom targeted clients server broadcaster
*
* Sends to custom IPs the broadcast packet
* This is useful in cases of undetected network interfaces
*/
PRINT_DEBUG("start custom broadcasts\n");
IP_PORT custom_targeted_broadcast;
custom_targeted_broadcast.port = port;
for(int i = 0; i < MAX_CUSTOM_BROADCASTS; i++) {
if(custom_broadcasts[i] == 0)
break;
custom_targeted_broadcast.ip = custom_broadcasts[i];
send_packet_to(sock, custom_targeted_broadcast, data, length);
}
PRINT_DEBUG("end custom broadcasts\n");
return true;
}
@ -666,7 +683,7 @@ bool Networking::handle_low_level_udp(Common_Message *msg, IP_PORT ip_port)
#define NUM_TCP_WAITING 128
Networking::Networking(CSteamID id, uint32 appid, uint16 port)
Networking::Networking(CSteamID id, uint32 appid, uint16 port, uint32_t *custom_broadcasts)
{
run_at_startup();
tcp_port = udp_port = port;
@ -674,6 +691,8 @@ Networking::Networking(CSteamID id, uint32 appid, uint16 port)
alive = true;
last_run = std::chrono::high_resolution_clock::now();
this->appid = appid;
for(int i = 0; i < MAX_CUSTOM_BROADCASTS; i++)
this->custom_broadcasts[i] = custom_broadcasts[i];
sock_t sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
PRINT_DEBUG("UDP socket: %u\n", sock);
@ -783,9 +802,9 @@ void Networking::send_announce_broadcasts()
size_t size = msg.ByteSizeLong();
char *buffer = new char[size];
msg.SerializeToArray(buffer, size);
send_broadcasts(udp_socket, htons(DEFAULT_PORT), buffer, size);
send_broadcasts(udp_socket, htons(DEFAULT_PORT), buffer, size, this->custom_broadcasts);
if (udp_port != DEFAULT_PORT) {
send_broadcasts(udp_socket, htons(udp_port), buffer, size);
send_broadcasts(udp_socket, htons(udp_port), buffer, size, this->custom_broadcasts);
}
delete[] buffer;