Update rdb_last_bgsave_time_sec in INFO on diskless replication (#7917)

`info Persistence` will include correct (updated) rdb_last_bgsave_time_sec
For diskless bgsave (sockets) too (like a few other persistence info fields).

Refactor code to reduce duplicate code.
This commit is contained in:
WuYunlong 2020-10-23 20:26:30 +08:00 committed by GitHub
parent 0f370f9b66
commit e05a7df7f9
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@ -2425,7 +2425,7 @@ int rdbLoad(char *filename, rdbSaveInfo *rsi, int rdbflags) {
/* A background saving child (BGSAVE) terminated its work. Handle this.
* This function covers the case of actual BGSAVEs. */
void backgroundSaveDoneHandlerDisk(int exitcode, int bysignal) {
static void backgroundSaveDoneHandlerDisk(int exitcode, int bysignal) {
if (!bysignal && exitcode == 0) {
serverLog(LL_NOTICE,
"Background saving terminated with success");
@ -2449,19 +2449,12 @@ void backgroundSaveDoneHandlerDisk(int exitcode, int bysignal) {
if (bysignal != SIGUSR1)
server.lastbgsave_status = C_ERR;
}
server.rdb_child_pid = -1;
server.rdb_child_type = RDB_CHILD_TYPE_NONE;
server.rdb_save_time_last = time(NULL)-server.rdb_save_time_start;
server.rdb_save_time_start = -1;
/* Possibly there are slaves waiting for a BGSAVE in order to be served
* (the first stage of SYNC is a bulk transfer of dump.rdb) */
updateSlavesWaitingBgsave((!bysignal && exitcode == 0) ? C_OK : C_ERR, RDB_CHILD_TYPE_DISK);
}
/* A background saving child (BGSAVE) terminated its work. Handle this.
* This function covers the case of RDB -> Slaves socket transfers for
* diskless replication. */
void backgroundSaveDoneHandlerSocket(int exitcode, int bysignal) {
static void backgroundSaveDoneHandlerSocket(int exitcode, int bysignal) {
if (!bysignal && exitcode == 0) {
serverLog(LL_NOTICE,
"Background RDB transfer terminated with success");
@ -2471,9 +2464,6 @@ void backgroundSaveDoneHandlerSocket(int exitcode, int bysignal) {
serverLog(LL_WARNING,
"Background transfer terminated by signal %d", bysignal);
}
server.rdb_child_pid = -1;
server.rdb_child_type = RDB_CHILD_TYPE_NONE;
server.rdb_save_time_start = -1;
if (server.rdb_child_exit_pipe!=-1)
close(server.rdb_child_exit_pipe);
close(server.rdb_pipe_read);
@ -2486,12 +2476,11 @@ void backgroundSaveDoneHandlerSocket(int exitcode, int bysignal) {
zfree(server.rdb_pipe_buff);
server.rdb_pipe_buff = NULL;
server.rdb_pipe_bufflen = 0;
updateSlavesWaitingBgsave((!bysignal && exitcode == 0) ? C_OK : C_ERR, RDB_CHILD_TYPE_SOCKET);
}
/* When a background RDB saving/transfer terminates, call the right handler. */
void backgroundSaveDoneHandler(int exitcode, int bysignal) {
int type = server.rdb_child_type;
switch(server.rdb_child_type) {
case RDB_CHILD_TYPE_DISK:
backgroundSaveDoneHandlerDisk(exitcode,bysignal);
@ -2503,6 +2492,14 @@ void backgroundSaveDoneHandler(int exitcode, int bysignal) {
serverPanic("Unknown RDB child type.");
break;
}
server.rdb_child_pid = -1;
server.rdb_child_type = RDB_CHILD_TYPE_NONE;
server.rdb_save_time_last = time(NULL)-server.rdb_save_time_start;
server.rdb_save_time_start = -1;
/* Possibly there are slaves waiting for a BGSAVE in order to be served
* (the first stage of SYNC is a bulk transfer of dump.rdb) */
updateSlavesWaitingBgsave((!bysignal && exitcode == 0) ? C_OK : C_ERR, type);
}
/* Kill the RDB saving child using SIGUSR1 (so that the parent will know