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#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>

#include <ecp/core.h>
#include <ecp/vconn/vconn.h>

static void handle_err(ECPConnection *conn, unsigned char mtype, int err) {
    printf("ERR: CTYPE:0x%x MTYPE:0x%x ERR:%d\n", conn->type, mtype, err);
}

static ECPConnection *conn_new(ECPSocket *sock, ECPConnection *parent, unsigned char type) {
    ECPConnection *conn = NULL;

    switch (type) {
        case ECP_CTYPE_VCONN: {
            ECPVConnInb *_conn;

            _conn = malloc(sizeof(ECPVConnInb));
            if (_conn) {
                ecp_vconn_init_inb(_conn, sock);
                conn = &_conn->b;
            }
            break;
        }

        case ECP_CTYPE_VLINK: {
            conn = malloc(sizeof(ECPConnection));
            if (conn) ecp_vlink_init(conn, sock);
            break;
        }

        default: {
            conn = malloc(sizeof(ECPConnection));
            if (conn) ecp_conn_init(conn, sock, type);
            break;
        }
    }

    if (conn) ecp_conn_set_flags(conn, ECP_CONN_FLAG_GC);
    return conn;
}

static void conn_free(ECPConnection *conn) {
    if (ecp_conn_is_gc(conn)) free(conn);
}

int ecp_init(ECPContext *ctx, ECPConnHandler *vconn_handler, ECPConnHandler *vlink_handler) {
    int rv;

    rv = ecp_ctx_init(ctx, handle_err, conn_new, conn_free, NULL);
    if (rv) return rv;

    rv = ecp_vconn_handler_init(ctx, vconn_handler);
    if (rv) return rv;

    rv = ecp_vlink_handler_init(ctx, vlink_handler);
    if (rv) return rv;

    return ECP_OK;
}