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实现全量持久化：save操作落盘，启动时读取到内存

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增量持久化：执行修改操作时将cmd追加到log中，启动时逐条取出顺序执行
This commit is contained in:
1iaan
2026-01-07 18:43:28 +08:00
parent cb0134a852
commit 3cc97b9454
9 changed files with 373 additions and 74 deletions
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19
test/test_client.c
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@@ -66,10 +66,11 @@ int kvs_write_u32(uint8_t **pp, const uint8_t *end, uint32_t v) {
int getcmd(uint8_t op, const char *key, const char *value, uint8_t *buf){
if(!key || !buf) return -1;
if(!buf) return -1;
uint8_t *end = buf + CMD_SIZE;
uint8_t *p = buf;
uint8_t argc = ((value == NULL)?1 : 2);
uint8_t argc = (key == NULL)?0:1;
argc += (value == NULL)?0:1;
if (kvs_write_u8(&p, end, op) < 0) return -1;
@@ -77,12 +78,14 @@ int getcmd(uint8_t op, const char *key, const char *value, uint8_t *buf){
// 写入 key
int keylen = strlen(key);
if (kvs_write_u32(&p, end, keylen) < 0) return -1;
if (kvs_need(p, end, keylen) < 0) return -1;
if (keylen > 0) {
memcpy(p, key, keylen);
p += keylen;
if(key){
int keylen = strlen(key);
if (kvs_write_u32(&p, end, keylen) < 0) return -1;
if (kvs_need(p, end, keylen) < 0) return -1;
if (keylen > 0) {
memcpy(p, key, keylen);
p += keylen;
}
}
if(value){