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Modules hooks: complete missing hooks for the initial set of hooks

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* replication hooks: role change, master link status, replica online/offline
* persistence hooks: saving, loading, loading progress
* misc hooks: cron loop, shutdown, module loaded/unloaded
* change the way hooks test work, and add tests for all of the above

startLoading() now gets flag indicating what is loaded.
stopLoading() now gets an indication of success or failure.
adding startSaving() and stopSaving() with similar args and role.
This commit is contained in:
Oran Agra
2019-10-29 17:59:09 +02:00
parent 764b420f5f
commit 51c3ff8d75
13 changed files with 737 additions and 94 deletions
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14
src/aof.c
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@ -731,7 +731,7 @@ int loadAppendOnlyFile(char *filename) {
server.aof_state = AOF_OFF;
fakeClient = createAOFClient();
startLoadingFile(fp, filename);
startLoadingFile(fp, filename, RDBFLAGS_AOF_PREAMBLE);
/* Check if this AOF file has an RDB preamble. In that case we need to
* load the RDB file and later continue loading the AOF tail. */
@ -746,7 +746,7 @@ int loadAppendOnlyFile(char *filename) {
serverLog(LL_NOTICE,"Reading RDB preamble from AOF file...");
if (fseek(fp,0,SEEK_SET) == -1) goto readerr;
rioInitWithFile(&rdb,fp);
if (rdbLoadRio(&rdb,NULL,1) != C_OK) {
if (rdbLoadRio(&rdb,RDBFLAGS_AOF_PREAMBLE,NULL) != C_OK) {
serverLog(LL_WARNING,"Error reading the RDB preamble of the AOF file, AOF loading aborted");
goto readerr;
} else {
@ -767,6 +767,7 @@ int loadAppendOnlyFile(char *filename) {
if (!(loops++ % 1000)) {
loadingProgress(ftello(fp));
processEventsWhileBlocked();
processModuleLoadingProgressEvent(1);
}
if (fgets(buf,sizeof(buf),fp) == NULL) {
@ -859,7 +860,7 @@ loaded_ok: /* DB loaded, cleanup and return C_OK to the caller. */
fclose(fp);
freeFakeClient(fakeClient);
server.aof_state = old_aof_state;
stopLoading();
stopLoading(1);
aofUpdateCurrentSize();
server.aof_rewrite_base_size = server.aof_current_size;
server.aof_fsync_offset = server.aof_current_size;
@ -1400,9 +1401,11 @@ int rewriteAppendOnlyFile(char *filename) {
if (server.aof_rewrite_incremental_fsync)
rioSetAutoSync(&aof,REDIS_AUTOSYNC_BYTES);
startSaving(RDBFLAGS_AOF_PREAMBLE);
if (server.aof_use_rdb_preamble) {
int error;
if (rdbSaveRio(&aof,&error,RDB_SAVE_AOF_PREAMBLE,NULL) == C_ERR) {
if (rdbSaveRio(&aof,&error,RDBFLAGS_AOF_PREAMBLE,NULL) == C_ERR) {
errno = error;
goto werr;
}
@ -1465,15 +1468,18 @@ int rewriteAppendOnlyFile(char *filename) {
if (rename(tmpfile,filename) == -1) {
serverLog(LL_WARNING,"Error moving temp append only file on the final destination: %s", strerror(errno));
unlink(tmpfile);
stopSaving(0);
return C_ERR;
}
serverLog(LL_NOTICE,"SYNC append only file rewrite performed");
stopSaving(1);
return C_OK;
werr:
serverLog(LL_WARNING,"Write error writing append only file on disk: %s", strerror(errno));
fclose(fp);
unlink(tmpfile);
stopSaving(0);
return C_ERR;
}