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Implementing sending server GRF info list response in multiple packets

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Add/adjust GRF info message logging
This commit is contained in:
Jonathan G Rennison
2018-06-11 06:26:25 +01:00
parent 847a46d107
commit 21040dc00b
1 changed files with 32 additions and 21 deletions
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53
src/network/network_udp.cpp
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@@ -316,11 +316,32 @@ void ServerNetworkUDPSocketHandler::Receive_CLIENT_GET_NEWGRFS(Packet *p, Networ
size_t packet_len = 0;
DEBUG(net, 6, "[udp] newgrf data request from %s", client_addr->GetAddressAsString());
num_grfs = p->Recv_uint8 ();
DEBUG(net, 6, "[udp] newgrf data request (%u) from %s", num_grfs, client_addr->GetAddressAsString());
if (num_grfs > NETWORK_MAX_GRF_COUNT) return;
auto flush_response = [&]() {
if (in_reply.empty()) return;
Packet packet(PACKET_UDP_SERVER_NEWGRFS);
packet.Send_uint8(in_reply.size());
for (const GRFInfo &info : in_reply) {
char name[NETWORK_GRF_NAME_LENGTH];
/* The name could be an empty string, if so take the filename */
strecpy(name, info.name, lastof(name));
this->SendGRFIdentifier(&packet, &info.ident);
packet.Send_string(name);
}
this->SendPacket(&packet, client_addr);
DEBUG(net, 6, "[udp] sent newgrf data response (%u of %u) to %s", (uint) in_reply.size(), num_grfs, client_addr->GetAddressAsString());
packet_len = 0;
in_reply.clear();
};
for (i = 0; i < num_grfs; i++) {
GRFInfo info;
this->ReceiveGRFIdentifier(p, &info.ident);
@@ -344,29 +365,17 @@ void ServerNetworkUDPSocketHandler::Receive_CLIENT_GET_NEWGRFS(Packet *p, Networ
/* If the reply might exceed the size of the packet, only reply
* the current list and do not send the other data.
* The name could be an empty string, if so take the filename. */
packet_len += sizeof(info.ident.grfid) + sizeof(info.ident.md5sum) +
size_t required_length = sizeof(info.ident.grfid) + sizeof(info.ident.md5sum) +
min(strlen(info.name) + 1, (size_t)NETWORK_GRF_NAME_LENGTH);
if (packet_len > SEND_MTU - 4) { // 4 is 3 byte header + grf count in reply
break;
if (packet_len + required_length > SEND_MTU - 4) { // 4 is 3 byte header + grf count in reply
flush_response();
}
packet_len += required_length;
in_reply.push_back(info);
}
if (in_reply.empty()) return;
Packet packet(PACKET_UDP_SERVER_NEWGRFS);
packet.Send_uint8(in_reply.size());
for (const GRFInfo &info : in_reply) {
char name[NETWORK_GRF_NAME_LENGTH];
/* The name could be an empty string, if so take the filename */
strecpy(name, info.name, lastof(name));
this->SendGRFIdentifier(&packet, &info.ident);
packet.Send_string(name);
}
this->SendPacket(&packet, client_addr);
flush_response();
}
///*** Communication with servers (we are client) ***/
@@ -439,6 +448,8 @@ void ClientNetworkUDPSocketHandler::Receive_SERVER_RESPONSE_Common(Packet *p, Ne
this->SendPacket(&packet, &item->address);
DEBUG(net, 4, "[udp] sent newgrf data request (%u) to %s", in_request_count, client_addr->GetAddressAsString());
in_request_count = 0;
};
@@ -511,9 +522,9 @@ void ClientNetworkUDPSocketHandler::Receive_SERVER_NEWGRFS(Packet *p, NetworkAdd
uint8 num_grfs;
uint i;
DEBUG(net, 6, "[udp] newgrf data reply from %s", client_addr->GetAddressAsString());
num_grfs = p->Recv_uint8 ();
DEBUG(net, 6, "[udp] newgrf data reply (%u) from %s", num_grfs, client_addr->GetAddressAsString());
if (num_grfs > NETWORK_MAX_GRF_COUNT) return;
for (i = 0; i < num_grfs; i++) {