#ifndef POOL_H
#define POOL_H

#include "conn.h"
#include "epoll.h"

// Connection pool
struct pool {
	conn_t *conns;             // array of connections
	int max_conns;             // pool size
	conn_t *free_list;         // available connections
	runtime_t *rt;             // epoll runtime

	// Buffer configuration
	size_t read_buf_size;      // per-conn read buffer
	size_t write_buf_size;     // per-conn write buffer
	size_t arena_size;         // per-request arena size

	// Callbacks
	void (*on_request)(conn_t *c);   // request complete
	void (*on_close)(conn_t *c);     // connection closed
};

// Pool management
pool_t* pool_new(runtime_t *rt, int max_conns);
void pool_free(pool_t *p);
conn_t* pool_get(pool_t *p);
void pool_put(pool_t *p, conn_t *c);

// Accessors
runtime_t* pool_runtime(pool_t *p);

// Internal handlers
void pool_handle_request(pool_t *p, conn_t *c);
void pool_handle_close(pool_t *p, conn_t *c);

#endif // POOL_H