1iaan
144b374aa2
/**
* Request
* Cmd: | OP(1) | argc(1) | repeat { arglen(4) | arg } |
*
* Response
* Rsp: | OP(1) | status(1) | datalen(4) | data |
*/
封装客户端进行批处理和单条命令测试。
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
#ifndef __KVS_RW_TOOLS_H__
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#define __KVS_RW_TOOLS_H__
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#include <stdint.h>
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#include <stdio.h>
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int kvs_need(const uint8_t *p, const uint8_t *end, size_t n);
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int kvs_read_u8(const uint8_t **pp, const uint8_t *end, uint8_t *out);
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int kvs_read_u16(const uint8_t **pp, const uint8_t *end, uint16_t *out);
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int kvs_read_u32(const uint8_t **pp, const uint8_t *end, uint32_t *out);
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int kvs_write_u8(uint8_t **pp, const uint8_t *end, uint8_t v);
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int kvs_write_u16(uint8_t **pp, const uint8_t *end, uint16_t v);
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int kvs_write_u32(uint8_t **pp, const uint8_t *end, uint32_t v);
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/**
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* Request
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* Cmd: | OP(1) | argc(1) | repeat { arglen(4) | arg } |
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*
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* Response
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* Rsp: | OP(1) | status(1) | datalen(4) | data |
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*/
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#define KVS_MAX_CMDS_PER_CALL 64
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// 1MB
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#define KVS_MAX_RESPONSE (1024u * 1024u)
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#define KVS_MAX_ARGC 64
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#define KVS_MAX_ARGLEN (1024u * 1024u)
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#define KVS_MAX_CMD_BYTES (4u * 1024u * 1024u)
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enum {
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KVS_STATUS_OK = 0,
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KVS_STATUS_ERROR = 1,
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KVS_STATUS_NO_EXIST = 2,
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KVS_STATUS_EXIST = 3,
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KVS_STATUS_BADREQ = 4
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};
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typedef enum {
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KVS_OK = 1,
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KVS_NEED_MORE = 0,
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KVS_ERROR = -1
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}kvs_rc_t;
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typedef struct kvs_arg_s{
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uint32_t len;
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const uint8_t *data;
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} kvs_arg_t;
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typedef struct kvs_req_s{
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uint8_t op;
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uint8_t argc;
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kvs_arg_t *args;
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}kvs_req_t;
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typedef struct kvs_rsp_s{
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uint8_t op;
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uint8_t status;
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uint32_t dlen;
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const uint8_t *data;
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} kvs_rsp_t;
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int kvs_parse_one_cmd(const uint8_t *request, int request_length, kvs_req_t *req_out);
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void kvs_free_request(kvs_req_t *req);
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int kvs_execute_one_cmd(const kvs_req_t *req, kvs_rsp_t *rsp_out);
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int kvs_build_one_rsp(const kvs_rsp_t *results, uint8_t *response, size_t response_cap);
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#endif
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