Copied TCP impl from other project, basic Block implementation, randomx pow, signing via secp256k1

include/tcpd/tcpserver.h

@@ -0,0 +1,56 @@
+#ifndef TCPSERVER_H
+#define TCPSERVER_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <stdint.h>
+
+#include <tcpd/tcpclient.h>
+#include <numgen.h>
+#include <dynarr.h>
+
+typedef struct {
+    int sockFd;
+    struct sockaddr_in addr;
+    int opt;
+
+    // Called before the client thread runs
+    void (*on_connect)(TcpClient* client);
+    // Called when data is received
+    void (*on_data)(TcpClient* client);
+    // Called before the socket and client thread are killed; Do NOT free client manually
+    void (*on_disconnect)(TcpClient* client);
+
+    // max clients
+    size_t clients;
+    TcpClient** clientsArrPtr;
+
+    pthread_t svrThread;
+} TcpServer;
+
+struct tcpclient_thread_args {
+    TcpClient* clientPtr;
+    TcpServer* serverPtr;
+};
+
+typedef struct tcpclient_thread_args tcpclient_thread_args;
+
+TcpServer* TcpServer_Create();
+void TcpServer_Destroy(TcpServer* ptr);
+
+void TcpServer_Init(TcpServer* ptr, unsigned short port, const char* addr);
+void TcpServer_Start(TcpServer* ptr, int maxcons);
+void TcpServer_Stop(TcpServer* ptr);
+void TcpServer_Send(TcpServer* ptr, TcpClient* cli, void* data, size_t len);
+void Generic_SendSocket(int sock, void* data, size_t len);
+void TcpServer_Disconnect(TcpServer* ptr, TcpClient* cli);
+void TcpServer_KillClient(TcpServer* ptr, TcpClient* cli);
+
+size_t Generic_FindClientInArrayByPtr(TcpClient** arr, TcpClient* ptr, size_t len);
+
+#endif