gdb-server/include/request.h

#ifndef RDBSERVER_REQUEST_H
#define RDBSERVER_REQUEST_H

#include <stddef.h>

#define INBUF_LEN 256

typedef enum rdb_read_result_t {
    read_result_success,
    read_result_error,
    read_result_pending,
    read_result_disconnected,
} rdb_read_result_t;

typedef enum rdb_read_state_t {
    read_state_header,
    read_state_body,
    read_state_body_escape,
    read_state_checksum_1,
    read_state_checksum_2,
} rdb_read_state_t;

typedef struct RdbRequest {
    int connfd;
    bool blocking;
    struct Buffer {
        char buf[INBUF_LEN];
        size_t len;
        size_t index;
    } inbuf;
    rdb_read_state_t state;
    char *cmd;
    size_t cmdlen;
    size_t outlen;
    char chk;
} RdbRequest;

void rdb_request_init(RdbRequest *req, int connfd, char *cmd, size_t cmdlen);
void rdb_request_reset(RdbRequest *req);
void rdb_request_set_blocking(RdbRequest *req, bool blocking);
rdb_read_result_t rdb_request_read(RdbRequest *req, size_t *len);

#endif