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tx mempool start, hello packet

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This commit is contained in:
DcruBro
2026-04-24 17:14:40 +02:00
parent accdeebee8
commit 32b9a57366
12 changed files with 193 additions and 25 deletions
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62
src/nets/net_node.c
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@@ -160,6 +160,7 @@ int Node_SendPacket(net_node_t* node, tcp_connection_t* conn, packet_type_t pack
return -1;
}
/*
if (conn->role == TCP_CONNECTION_ROLE_INBOUND && packetType != PACKET_TYPE_RESPONSE) {
return -1;
}
@@ -167,6 +168,7 @@ int Node_SendPacket(net_node_t* node, tcp_connection_t* conn, packet_type_t pack
if (conn->role == TCP_CONNECTION_ROLE_OUTBOUND && packetType != PACKET_TYPE_REQUEST) {
return -1;
}
*/
size_t framePayloadLen = payloadLen + 1;
unsigned char* framed = (unsigned char*)malloc(framePayloadLen);
@@ -200,9 +202,34 @@ void Node_Server_OnData(tcp_connection_t* client) {
return;
}
if (packetType != PACKET_TYPE_REQUEST) {
return;
}
switch (packetType) {
case PACKET_TYPE_HELLO: {
// Decode HELLO
if (payloadLen < sizeof(uint32_t) + sizeof(uint64_t)) {
return;
}
uint32_t protoVersion;
uint64_t blockHeight;
memcpy(&protoVersion, payload, sizeof(protoVersion));
memcpy(&blockHeight, payload + sizeof(protoVersion), sizeof(blockHeight));
// TODO: Save these somewhere and maybe respond
printf("Received HELLO from node %u: protoVersion=%u, blockHeight=%" PRIu64 "\n",
client ? client->connectionId : 0U, protoVersion, blockHeight);
break;
}
case PACKET_TYPE_FETCH_BLOCK:
case PACKET_TYPE_BLOCK_DATA:
case PACKET_TYPE_BROADCAST_BLOCK:
case PACKET_TYPE_ACK_BLOCK:
case PACKET_TYPE_BROADCAST_TX:
case PACKET_TYPE_ACK_TX:
break;
default:
return;
}
net_node_t* node = Node_FromConnection(client);
Node_ForwardData(node, client, payload, payloadLen);
@@ -218,6 +245,22 @@ void Node_Client_OnConnect(tcp_connection_t* client) {
net_node_t* node = Node_FromConnection(client);
Node_ForwardConnect(node, client);
printf("Outbound node connected: %u\n", client ? client->connectionId : 0U);
// Construct and send HELLO
if (node) {
uint8_t buf[100];
uint8_t* data = buf;
size_t offset = 0;
uint32_t protoVersion = 1; // little-endian
uint64_t blockHeight = currentBlockHeight;
memcpy((unsigned char*)data + offset, &protoVersion, sizeof(protoVersion)); // This is technically "unsafe", but I honestly just don't give a shit at this point
offset += sizeof(protoVersion);
memcpy((unsigned char*)data + offset, &blockHeight, sizeof(blockHeight));
offset += sizeof(blockHeight);
Node_SendPacket(node, client, PACKET_TYPE_HELLO, data, offset);
}
}
void Node_Client_OnData(tcp_connection_t* client) {
@@ -229,8 +272,17 @@ void Node_Client_OnData(tcp_connection_t* client) {
return;
}
if (packetType != PACKET_TYPE_RESPONSE) {
return;
switch (packetType) {
case PACKET_TYPE_HELLO:
case PACKET_TYPE_FETCH_BLOCK:
case PACKET_TYPE_BLOCK_DATA:
case PACKET_TYPE_BROADCAST_BLOCK:
case PACKET_TYPE_ACK_BLOCK:
case PACKET_TYPE_BROADCAST_TX:
case PACKET_TYPE_ACK_TX:
break;
default:
return;
}
net_node_t* node = Node_FromConnection(client);