#if !defined(_REQUEST_H_)

#define _REQUEST_H_ 1

#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>

#include <openssl/ssl.h>

#include "netio.h"
#include "typemap.h"
#include "utils.h"
#include "xce/types.h"

typedef struct {
    int wait;
} reqbar_t;

typedef int (*xce_check_fn_t)(void*);

extern int xce_encode(xce_request_t*, io_packet_t*);
extern int xce_decode(io_packet_t*, xce_request_t*);

extern int  xce_reply(endpoint_t*, xce_peerinfo_t*, xce_reply_t*);
extern int  xce_hello_req(endpoint_t*, char*);
extern int  xce_nop_req(endpoint_t*);
extern int  xce_shutdown_req(endpoint_t*);
extern void init_reply_by_req(xce_reply_t*, xce_request_t*);
extern int  xce_join_req(endpoint_t*, int, hostattrs_t*);
extern int  xce_pushconfig_req(endpoint_t*, xce_peerinfo_t*, xce_configdata_t*);
extern int  xce_push_data_req(endpoint_t*, xce_peerinfo_t*, xce_data_t*,
                              xce_check_fn_t, void*, int);

extern int xce_workerlist_req(endpoint_t*, xce_peerinfo_t*);
extern int xce_reply_workerlist(endpoint_t*, uint64_t, int, xce_peerinfo_t*,
                                xce_workerlist_t*);
extern int xce_jobdispatch_req(endpoint_t*, xce_job_dispatch_t*);
extern int xce_jobsubmit_req(endpoint_t*, xce_job_submit_t*);
extern int xce_reply_jobdispatch(endpoint_t*, uint64_t, int32_t,
                                 xce_peerinfo_t*);
extern int xce_reply_jobid(endpoint_t*, int, uint64_t, uint64_t,
                           xce_peerinfo_t*);
extern int xce_joblist_req(endpoint_t*, xce_peerinfo_t*);
extern int xce_reply_joblist(endpoint_t*, uint64_t, int, xce_peerinfo_t*,
                             xce_job_list_t*);
extern int xce_startjob_req(endpoint_t*, xce_job_exec_t*);
extern int xce_clusterconf_req(endpoint_t*);
extern int xce_reply_clusterconf(endpoint_t*, uint64_t, int, xce_peerinfo_t*,
                                 xce_clusterconf_t*);
extern int xce_get_req(endpoint_t*, xce_get_t*);
extern int xce_reply_get(endpoint_t*, xce_peerinfo_t*, xce_reply_t*,
                         xce_check_fn_t, void*, int);
extern int xce_notify_req(endpoint_t*, xce_notify_data_t*);
extern int extract_data(dataset_t*, xce_data_t*);
extern int xce_update_req(endpoint_t*, xce_update_data_t*);
extern int xce_jobctrl_req(endpoint_t*, xce_jobctrl_t*);
extern int xce_queuectrl_req(endpoint_t*, xce_queuectrl_t*);
extern int xce_hostctrl_req(endpoint_t*, xce_hostctrl_t*);
extern int xce_runtask_req(endpoint_t*, xce_taskrun_t*);
extern int xce_set_pend_reason_req(endpoint_t*, xce_preason_set_t*);
extern int xce_clear_reason_req(endpoint_t*, xce_clear_reason_t*);

/*
 * xce_replconfigpush_req_raw: send OP_replConfigPush carrying raw byte arrays.
 * Bypasses the encode_ReplConfigPushRequest_ptr path (which maps sha256/bytes
 * through xce_data_t — wrong type for raw bytes) by constructing the capnp
 * message directly via capn_new_list8 + capn_setv8 + write_Request.
 */
extern int xce_replconfigpush_req_raw(endpoint_t *ep, xce_peerinfo_t *from,
                                       uint64_t version_tag,
                                       const uint8_t *sha256, size_t sha256_len,
                                       const uint8_t *config_bytes,
                                       size_t config_len);

/*
 * xce_replconfig_reply_raw: primary sends an OP_replConfig reply with
 * actual config bytes via endpoint (iomgr queued).  Bypasses
 * encode_ReplConfigReply_ptr (which maps sha256/bytes through xce_data_t).
 */
extern int xce_replconfig_reply_raw(endpoint_t *ep, xce_peerinfo_t *from,
                                     uint64_t seq, uint64_t tag,
                                     const uint8_t *sha256, size_t sha256_len,
                                     const uint8_t *config, size_t config_len);

/*
 * xce_replconfig_req_ssl: standby sends OP_replConfig over a raw SSL
 * socket (no iomgr).  Wire framing: uint64_t size + capnp payload
 * (matches netio.c io_fsm_perform).
 */
extern int xce_replconfig_req_ssl(SSL *ssl, uint64_t version_tag);

/*
 * xce_replconfig_reply_ssl_decode: standby reads + parses an
 * OP_replConfig reply from a raw SSL socket.  Output buffers are
 * malloc'd and owned by the caller.  Both *out_sha256 and *out_bytes
 * may be NULL on the up_to_date == 1 fast path.
 */
extern int xce_replconfig_reply_ssl_decode(SSL *ssl,
                                            int *out_up_to_date,
                                            uint64_t *out_tag,
                                            uint8_t **out_sha256,
                                            uint8_t **out_bytes,
                                            size_t   *out_len);

/*
 * xce_upgrade_config_req_extract: extract bytes from a decoded
 * OP_upgradeConfig request.  Returns -ENOTSUP — see request.c
 * for the architectural finding.  Use xce_upgrade_config_req_extract_raw
 * with the raw packet buffer instead.
 */
extern int xce_upgrade_config_req_extract(const xce_request_t *req,
                                           uint8_t **out_bytes,
                                           size_t   *out_len,
                                           uint8_t **out_sha256);

/*
 * xce_upgrade_config_req_extract_raw: parse OP_upgradeConfig request
 * bytes from a raw on-wire packet buffer.  Output buffers (*out_bytes,
 * *out_sha256) are malloc'd and owned by the caller.
 */
extern int xce_upgrade_config_req_extract_raw(const uint8_t *pkt_data,
                                               size_t pkt_sz,
                                               uint8_t **out_bytes,
                                               size_t   *out_len,
                                               uint8_t **out_sha256);

#endif