zeekling/redis-migrate
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add sync

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This commit is contained in:
LingZhaoHui 2022-07-10 16:49:32 +08:00
parent 7258e80989
commit c665fe9a4a
2 changed files with 45 additions and 41 deletions
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82
src/rdbLoad.c
View File

@ -1,8 +1,12 @@
#include "rdbLoad.h"
#include "sds.h"
#include "sdscompat.h"
#include <errno.h>
#include <unistd.h>
#include <sys/time.h>
#include <unistd.h>
#include <string.h>
int rmLoadRioWithLoading(migrateObj *mobj) {
char buf[1024];
@ -34,15 +38,21 @@ int rmLoadRioWithLoading(migrateObj *mobj) {
// serverLog(LL_NOTICE, "buf:%s", buf);
// type = atoi(buf);
// serverLog(LL_NOTICE, "type:%d", type);
char type_buf[2];
char type_buf[1];
if (read(mobj->source_cc->fd, &type_buf, 1) == 0)
{
serverLog(LL_WARNING, "read mark failed");
return C_ERR;
}
while (1) {
sds key;
robj *val;
if (read(mobj->source_cc->fd, &type_buf, 2) == 0) {
if (read(mobj->source_cc->fd, &type_buf, 1) == 0) {
serverLog(LL_WARNING, "read type failed");
return C_ERR;
}
int type = type_buf[1] & 0xff;
int type = type_buf[0] & 0xff;
serverLog(LL_NOTICE, "type: %d", type);
if (type == RDB_OPCODE_EXPIRETIME) {
@ -68,6 +78,7 @@ int rmLoadRioWithLoading(migrateObj *mobj) {
lru_idle = qword;
continue;
} else if (type == RDB_OPCODE_EOF) {
serverLog(LL_NOTICE, "rdb file parse end..");
break;
} else if (type == RDB_OPCODE_SELECTDB) {
if ((dbid = rmLoadLen(mobj, NULL)) == RDB_LENERR) return C_ERR;
@ -76,41 +87,34 @@ int rmLoadRioWithLoading(migrateObj *mobj) {
uint64_t db_size, expires_size;
if ((db_size = rmLoadLen(mobj, NULL)) == RDB_LENERR) return C_ERR;
if ((expires_size = rmLoadLen(mobj, NULL)) == RDB_LENERR) return C_ERR;
continue;
} else if (type == RDB_OPCODE_AUX) {
robj *auxkey, *auxval;
serverLog(LL_NOTICE, "type=RDB_OPCODE_AUX");
sds *auxkey, *auxval;
if ((auxkey = rmLoadStringObject(mobj)) == NULL) {
serverLog(LL_WARNING, "auxkey is null");
return NULL;
}
if ((auxval = rmLoadStringObject(mobj)) == NULL) {
decrRefCount(auxkey);
serverLog(LL_WARNING, "auxval is null");
return NULL;
}
if (((char *)auxkey->ptr)[0] == '%') {
serverLog(LL_NOTICE, "RDB '%s': %s", (char *)auxkey->ptr, (char *)auxval->ptr);
} else if (!strcasecmp(auxkey->ptr, "repl-stream-db")) {
serverLog(LL_NOTICE, "repl-stream-db: %s", auxval->ptr);
} else if (!strcasecmp(auxkey->ptr, "repl-id")) {
memcmp(mobj->psync_replid, auxval->ptr, CONFIG_RUN_ID_SIZE + 1);
serverLog(LL_NOTICE, "repl-id: %s", auxval->ptr);
} else if (!strcasecmp(auxkey->ptr, "repl-offset")) {
serverLog(LL_NOTICE, "repl-offset: %s", auxval->ptr);
} else if (!strcasecmp(auxkey->ptr, "lua") || !strcasecmp(auxkey->ptr, "aof-base")
|| !strcasecmp(auxkey->ptr, "redis-bits") || !strcasecmp(auxkey->ptr, "aof-preamble")) {
// do nothing
} else if (!strcasecmp(auxkey->ptr, "redis-ver")) {
serverLog(LL_NOTICE, "redis-ver:%s", auxval->ptr);
} else if (!strcasecmp(auxkey->ptr, "ctime")) {
time_t age = time(NULL) - strtol(auxval->ptr, NULL, 10);
if (age < 0) age = 0;
serverLog(LL_NOTICE, "RDB age %ld seconds", (unsigned long)age);
} else if (!strcasecmp(auxkey->ptr, "used-mem")) {
long long usedmem = strtoll(auxval->ptr, NULL, 10);
if (auxkey[0] == '%') {
serverLog(LL_NOTICE, "RDB '%s': %s", auxkey, auxval);
} else if (!strcasecmp(auxkey, "repl-id")) {
memcmp(mobj->psync_replid, auxval, CONFIG_RUN_ID_SIZE + 1);
serverLog(LL_NOTICE, "repl-id: %s", auxval);
} else if (!strcasecmp(auxkey, "repl-offset")) {
serverLog(LL_NOTICE, "repl-offset: %s", auxval);
} else if (!strcasecmp(auxkey, "lua") || !strcasecmp(auxkey, "aof-base")
|| !strcasecmp(auxkey, "redis-bits") || !strcasecmp(auxkey, "aof-preamble")
|| !strcasecmp(auxkey, "repl-stream-db") || !strcasecmp(auxkey, "redis-ver")
|| !strcasecmp(auxkey, "ctime")) {
serverLog(LL_NOTICE, "RDB '%s': %s", auxkey, auxval);
} else if (!strcasecmp(auxkey, "used-mem")) {
long long usedmem = strtoll(auxval, NULL, 10);
serverLog(LL_NOTICE, "RDB memory usage when created %.2f Mb", (double)usedmem / (1024 * 1024));
} else {
serverLog(LL_DEBUG, "Unrecognized RDB AUX field: '%s'", (char *)auxkey->ptr);
serverLog(LL_DEBUG, "Unrecognized RDB AUX field: '%s'", auxkey);
}
continue;
@ -136,11 +140,11 @@ robj *rmLoadObject(int rdbtype, migrateObj *mobj, sds key, int *error) {
return o;
}
robj *rmLoadStringObject(migrateObj *mobj) {
sds rmLoadStringObject(migrateObj *mobj) {
return rmGenericLoadStringObject(mobj, RDB_LOAD_NONE, NULL);
}
void *rmGenericLoadStringObject(migrateObj *mobj, int flags, size_t *lenptr) {
sds rmGenericLoadStringObject(migrateObj *mobj, int flags, size_t *lenptr) {
int encode = flags & RDB_LOAD_ENC;
int plain = flags & RDB_LOAD_PLAIN;
int sds = flags & RDB_LOAD_SDS;
@ -163,7 +167,7 @@ void *rmGenericLoadStringObject(migrateObj *mobj, int flags, size_t *lenptr) {
}
}
if (plain || sds) {
void *buf = plain ? ztrymalloc(len) : sdstrynewlen(SDS_NOINIT, len);
void *buf = sds_malloc(len);
if (!buf) {
serverLog(LL_WARNING, "rdbGenericLoadStringObject failed allocating %llu bytes", len);
return NULL;
@ -176,19 +180,18 @@ void *rmGenericLoadStringObject(migrateObj *mobj, int flags, size_t *lenptr) {
sdsfree(buf);
return NULL;
}
return buf;
return hi_sdsnewlen(buf, len);
} else {
robj *o = encode ? tryCreateStringObject(SDS_NOINIT, len) :
tryCreateRawStringObject(SDS_NOINIT, len);
if (!o) {
char buf[len];
if (!buf) {
serverLog(LL_WARNING, "rdbGenericLoadStringObject failed allocating %llu bytes", len);
return NULL;
}
if (len && read(mobj->source_cc->fd, o->ptr, len)) {
decrRefCount(o);
if (len && read(mobj->source_cc->fd, buf, len) == 0) {
return NULL;
}
return o;
buf[len] = '\0';
return hi_sdsnewlen(buf, len);
}
}
@ -215,6 +218,7 @@ void *rmLoadIntegerObject(migrateObj *mobj, int enctype, int flags, size_t *lenp
// rdbReportCorruptRDB("Unknown RDB integer encoding type %d", enctype);
return NULL; /* Never reached. */
}
serverLog(LL_NOTICE, "plain=%d, encode=%d", plain, encode);
if (plain || sds) {
char buf[LONG_STR_SIZE], *p;
int len = ll2string(buf, sizeof(buf), val);
@ -225,7 +229,7 @@ void *rmLoadIntegerObject(migrateObj *mobj, int enctype, int flags, size_t *lenp
} else if (encode) {
return createStringObjectFromLongLongForValue(val);
} else {
return createObject(OBJ_STRING, sdsfromlonglong(val));
return sdsfromlonglong(val);
}
}

4
src/rdbLoad.h
View File

@ -61,9 +61,9 @@ void rm_memrev64(void *p);
uint64_t rmLoadLen(migrateObj *mobj, int *isencoded);
robj *rmLoadStringObject(migrateObj *mobj);
sds rmLoadStringObject(migrateObj *mobj);
void *rmGenericLoadStringObject(migrateObj *mobj, int flags, size_t *lenptr);
sds rmGenericLoadStringObject(migrateObj *mobj, int flags, size_t *lenptr);
void *rmLoadIntegerObject(migrateObj *mobj, int enctype, int flags, size_t *lenptr);