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pika_admin.cc
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// Copyright (c) 2015-present, Qihoo, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#include <sys/time.h>
#include "slash/include/slash_string.h"
#include "slash/include/rsync.h"
#include "pika_conf.h"
#include "pika_admin.h"
#include "pika_server.h"
#include "pika_slot.h"
#include "pika_version.h"
#include "build_version.h"
#include <sys/utsname.h>
#ifdef TCMALLOC_EXTENSION
#include <gperftools/malloc_extension.h>
#endif
extern PikaServer *g_pika_server;
extern PikaConf *g_pika_conf;
void SlaveofCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameSlaveof);
return;
}
PikaCmdArgsType::iterator it = argv.begin() + 1; //Remember the first args is the opt name
master_ip_ = slash::StringToLower(*it++);
is_noone_ = false;
if (master_ip_ == "no" && slash::StringToLower(*it) == "one") {
if (argv.end() - it == 1) {
is_noone_ = true;
} else {
res_.SetRes(CmdRes::kWrongNum, kCmdNameSlaveof);
}
return;
}
std::string str_master_port = *it++;
if (!slash::string2l(str_master_port.data(), str_master_port.size(), &master_port_) || master_port_ <= 0) {
res_.SetRes(CmdRes::kInvalidInt);
return;
}
if ((master_ip_ == "127.0.0.1" || master_ip_ == g_pika_server->host()) && master_port_ == g_pika_server->port()) {
res_.SetRes(CmdRes::kErrOther, "you fucked up");
return;
}
have_offset_ = false;
int cur_size = argv.end() - it;
if (cur_size == 0) {
} else if (cur_size == 1) {
std::string command = *it++;
if (command != "force") {
res_.SetRes(CmdRes::kSyntaxErr);
return;
}
g_pika_server->SetForceFullSync(true);
} else if (cur_size == 2) {
have_offset_ = true;
std::string str_filenum = *it++;
if (!slash::string2l(str_filenum.data(), str_filenum.size(), &filenum_) || filenum_ < 0) {
res_.SetRes(CmdRes::kInvalidInt);
return;
}
std::string str_pro_offset = *it++;
if (!slash::string2l(str_pro_offset.data(), str_pro_offset.size(), &pro_offset_) || pro_offset_ < 0) {
res_.SetRes(CmdRes::kInvalidInt);
return;
}
} else {
res_.SetRes(CmdRes::kWrongNum, kCmdNameSlaveof);
}
}
void SlaveofCmd::Do() {
if (is_noone_) {
// Stop rsync
LOG(INFO) << "start slaveof, stop rsync first";
slash::StopRsync(g_pika_conf->db_sync_path());
g_pika_server->RemoveMaster();
res_.SetRes(CmdRes::kOk);
return;
}
if (have_offset_) {
// Before we send the trysync command, we need purge current logs older than the sync point
if (filenum_ > 0) {
g_pika_server->PurgeLogs(filenum_ - 1, true, true);
}
g_pika_server->logger_->SetProducerStatus(filenum_, pro_offset_);
}
bool sm_ret = g_pika_server->SetMaster(master_ip_, master_port_);
if (sm_ret) {
res_.SetRes(CmdRes::kOk);
} else {
res_.SetRes(CmdRes::kErrOther, "Server is not in correct state for slaveof");
}
}
void TrysyncCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameTrysync);
return;
}
PikaCmdArgsType::iterator it = argv.begin() + 1; //Remember the first args is the opt name
slave_ip_ = *it++;
std::string str_slave_port = *it++;
if (!slash::string2l(str_slave_port.data(), str_slave_port.size(), &slave_port_) || slave_port_ <= 0) {
res_.SetRes(CmdRes::kInvalidInt);
return;
}
std::string str_filenum = *it++;
if (!slash::string2l(str_filenum.data(), str_filenum.size(), &filenum_) || filenum_ < 0) {
res_.SetRes(CmdRes::kInvalidInt);
return;
}
std::string str_pro_offset = *it++;
if (!slash::string2l(str_pro_offset.data(), str_pro_offset.size(), &pro_offset_) || pro_offset_ < 0) {
res_.SetRes(CmdRes::kInvalidInt);
return;
}
}
void TrysyncCmd::Do() {
LOG(INFO) << "Trysync, Slave ip: " << slave_ip_ << " Slave port:" << slave_port_
<< " filenum: " << filenum_ << " pro_offset: " << pro_offset_;
int64_t sid = g_pika_server->TryAddSlave(slave_ip_, slave_port_);
if (sid >= 0) {
Status status = g_pika_server->AddBinlogSender(slave_ip_, slave_port_,
filenum_, pro_offset_);
if (status.ok()) {
res_.AppendInteger(sid);
LOG(INFO) << "Send Sid to Slave: " << sid;
g_pika_server->BecomeMaster();
return;
}
// Create Sender failed, delete the slave
g_pika_server->DeleteSlave(slave_ip_, slave_port_);
if (status.IsIncomplete()) {
res_.AppendString(kInnerReplWait);
} else {
LOG(WARNING) << "slave offset is larger than mine, slave ip: " << slave_ip_
<< "slave port:" << slave_port_
<< " filenum: " << filenum_ << " pro_offset_: " << pro_offset_;
res_.SetRes(CmdRes::kErrOther, "InvalidOffset");
}
} else {
LOG(WARNING) << "slave already exist, slave ip: " << slave_ip_
<< "slave port: " << slave_port_;
res_.SetRes(CmdRes::kErrOther, "AlreadyExist");
}
}
void AuthCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameAuth);
return;
}
pwd_ = argv[1];
}
void AuthCmd::Do() {
std::string root_password(g_pika_conf->requirepass());
std::string user_password(g_pika_conf->userpass());
if (user_password.empty() && root_password.empty()) {
res_.SetRes(CmdRes::kErrOther, "Client sent AUTH, but no password is set");
return;
}
if (pwd_ == user_password) {
res_.SetRes(CmdRes::kOk, "USER");
}
if (pwd_ == root_password) {
res_.SetRes(CmdRes::kOk, "ROOT");
}
if (res_.none()) {
res_.SetRes(CmdRes::kInvalidPwd);
}
}
void BgsaveCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameBgsave);
return;
}
}
void BgsaveCmd::Do() {
g_pika_server->Bgsave();
const PikaServer::BGSaveInfo& info = g_pika_server->bgsave_info();
char buf[256];
snprintf(buf, sizeof(buf), "+%s : %u: %lu",
info.s_start_time.c_str(), info.filenum, info.offset);
res_.AppendContent(buf);
}
void BgsaveoffCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameBgsaveoff);
return;
}
}
void BgsaveoffCmd::Do() {
CmdRes::CmdRet ret;
if (g_pika_server->Bgsaveoff()) {
ret = CmdRes::kOk;
} else {
ret = CmdRes::kNoneBgsave;
}
res_.SetRes(ret);
}
void CompactCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameCompact);
return;
}
}
void CompactCmd::Do() {
nemo::Status s = g_pika_server->db()->Compact(nemo::kALL);
if (s.ok()) {
res_.SetRes(CmdRes::kOk);
} else {
res_.SetRes(CmdRes::kErrOther, s.ToString());
}
}
void PurgelogstoCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNamePurgelogsto);
return;
}
std::string filename = slash::StringToLower(argv[1]);
if (filename.size() <= kBinlogPrefixLen ||
kBinlogPrefix != filename.substr(0, kBinlogPrefixLen)) {
res_.SetRes(CmdRes::kInvalidParameter);
return;
}
std::string str_num = filename.substr(kBinlogPrefixLen);
int64_t num = 0;
if (!slash::string2l(str_num.data(), str_num.size(), &num) || num < 0) {
res_.SetRes(CmdRes::kInvalidParameter);
return;
}
num_ = num;
}
void PurgelogstoCmd::Do() {
if (g_pika_server->PurgeLogs(num_, true, false)) {
res_.SetRes(CmdRes::kOk);
} else {
res_.SetRes(CmdRes::kPurgeExist);
}
}
void PingCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNamePing);
return;
}
}
void PingCmd::Do() {
res_.SetRes(CmdRes::kPong);
}
void SelectCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameSelect);
return;
}
int64_t db_id;
if (!slash::string2l(argv[1].data(), argv[1].size(), &db_id) ||
db_id < 0 || db_id > 15) {
res_.SetRes(CmdRes::kInvalidIndex);
}
}
void SelectCmd::Do() {
res_.SetRes(CmdRes::kOk);
}
void FlushallCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameFlushall);
return;
}
}
void FlushallCmd::Do() {
g_pika_server->RWLockWriter();
if (g_pika_server->FlushAll()) {
res_.SetRes(CmdRes::kOk);
} else {
res_.SetRes(CmdRes::kErrOther, "There are some bgthread using db now, can not flushall");
}
g_pika_server->RWUnlock();
}
void ReadonlyCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameReadonly);
return;
}
std::string opt = slash::StringToLower(argv[1]);
if (opt == "on" || opt == "1") {
is_open_ = true;
} else if (opt == "off" || opt == "0") {
is_open_ = false;
} else {
res_.SetRes(CmdRes::kSyntaxErr, kCmdNameReadonly);
return;
}
}
void ReadonlyCmd::Do() {
g_pika_server->RWLockWriter();
if (is_open_) {
g_pika_conf->SetReadonly(true);
} else {
g_pika_conf->SetReadonly(false);
}
res_.SetRes(CmdRes::kOk);
g_pika_server->RWUnlock();
}
const std::string ClientCmd::CLIENT_LIST_S = "list";
const std::string ClientCmd::CLIENT_KILL_S = "kill";
void ClientCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameClient);
return;
}
slash::StringToLower(argv[1]);
if (argv[1] == CLIENT_LIST_S && argv.size() == 2) {
//nothing
} else if (argv[1] == CLIENT_KILL_S && argv.size() == 3) {
ip_port_ = slash::StringToLower(argv[2]);
} else {
res_.SetRes(CmdRes::kErrOther, "Syntax error, try CLIENT (LIST | KILL ip:port)");
return;
}
operation_ = argv[1];
return;
}
void ClientCmd::Do() {
if (operation_ == CLIENT_LIST_S) {
struct timeval now;
gettimeofday(&now, NULL);
std::vector<ClientInfo> clients;
g_pika_server->ClientList(&clients);
std::vector<ClientInfo>::iterator iter= clients.begin();
std::string reply = "+";
char buf[128];
while (iter != clients.end()) {
snprintf(buf, sizeof(buf), "addr=%s fd=%d idle=%ld\n", iter->ip_port.c_str(), iter->fd, iter->last_interaction == 0 ? 0 : now.tv_sec - iter->last_interaction);
reply.append(buf);
iter++;
}
res_.AppendContent(reply);
} else if (operation_ == CLIENT_KILL_S && ip_port_ == "all") {
g_pika_server->ClientKillAll();
res_.SetRes(CmdRes::kOk);
} else if (g_pika_server->ClientKill(ip_port_) == 1) {
res_.SetRes(CmdRes::kOk);
} else {
res_.SetRes(CmdRes::kErrOther, "No such client");
}
return;
}
void ShutdownCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameShutdown);
return;
}
}
// no return
void ShutdownCmd::Do() {
DLOG(WARNING) << "handle \'shutdown\'";
g_pika_server->Exit();
res_.SetRes(CmdRes::kNone);
}
const std::string InfoCmd::kAllSection = "all";
const std::string InfoCmd::kServerSection = "server";
const std::string InfoCmd::kClientsSection = "clients";
const std::string InfoCmd::kStatsSection = "stats";
const std::string InfoCmd::kReplicationSection = "replication";
const std::string InfoCmd::kKeyspaceSection = "keyspace";
const std::string InfoCmd::kLogSection = "log";
const std::string InfoCmd::kDataSection = "data";
void InfoCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
(void)ptr_info;
size_t argc = argv.size();
if (argc > 3) {
res_.SetRes(CmdRes::kSyntaxErr);
return;
}
if (argc == 1) {
info_section_ = kInfoAll;
return;
} //then the agc is 2 or 3
slash::StringToLower(argv[1]);
if (argv[1] == kAllSection) {
info_section_ = kInfoAll;
} else if (argv[1] == kServerSection) {
info_section_ = kInfoServer;
} else if (argv[1] == kClientsSection) {
info_section_ = kInfoClients;
} else if (argv[1] == kStatsSection) {
info_section_ = kInfoStats;
} else if (argv[1] == kReplicationSection) {
info_section_ = kInfoReplication;
} else if (argv[1] == kKeyspaceSection) {
info_section_ = kInfoKeyspace;
if (argc == 2) {
return;
}
if (argv[2] == "1") { //info keyspace [ 0 | 1 | off ]
rescan_ = true;
} else if (argv[2] == "off") {
off_ = true;
} else if (argv[2] != "0") {
res_.SetRes(CmdRes::kSyntaxErr);
}
return;
} else if (argv[1] == kLogSection) {
info_section_ = kInfoLog;
} else if (argv[1] == kDataSection) {
info_section_ = kInfoData;
}else {
info_section_ = kInfoErr;
}
if (argc != 2) {
res_.SetRes(CmdRes::kSyntaxErr);
}
}
void InfoCmd::Do() {
std::string info;
switch (info_section_) {
case kInfoAll:
InfoServer(info);
info.append("\r\n");
InfoData(info);
info.append("\r\n");
InfoLog(info);
info.append("\r\n");
InfoClients(info);
info.append("\r\n");
InfoStats(info);
info.append("\r\n");
InfoReplication(info);
info.append("\r\n");
InfoKeyspace(info);
break;
case kInfoServer:
InfoServer(info);
break;
case kInfoClients:
InfoClients(info);
break;
case kInfoStats:
InfoStats(info);
break;
case kInfoReplication:
InfoReplication(info);
break;
case kInfoKeyspace:
InfoKeyspace(info);
// off_ should return +OK
if (off_) {
res_.SetRes(CmdRes::kOk);
}
break;
case kInfoLog:
InfoLog(info);
break;
case kInfoData:
InfoData(info);
break;
default:
//kInfoErr is nothing
break;
}
res_.AppendStringLen(info.size());
res_.AppendContent(info);
return;
}
void InfoCmd::InfoServer(std::string &info) {
static struct utsname host_info;
static bool host_info_valid = false;
if (!host_info_valid) {
uname(&host_info);
host_info_valid = true;
}
time_t current_time_s = time(NULL);
std::stringstream tmp_stream;
char version[32];
snprintf(version, sizeof(version), "%d.%d.%d", PIKA_MAJOR,
PIKA_MINOR, PIKA_PATCH);
tmp_stream << "# Server\r\n";
tmp_stream << "pika_version:" << version << "\r\n";
tmp_stream << pika_build_git_sha << "\r\n";
tmp_stream << "pika_build_compile_date: " <<
pika_build_compile_date << "\r\n";
tmp_stream << "os:" << host_info.sysname << " " << host_info.release << " " << host_info.machine << "\r\n";
tmp_stream << "arch_bits:" << (reinterpret_cast<char*>(&host_info.machine) + strlen(host_info.machine) - 2) << "\r\n";
tmp_stream << "process_id:" << getpid() << "\r\n";
tmp_stream << "tcp_port:" << g_pika_conf->port() << "\r\n";
tmp_stream << "thread_num:" << g_pika_conf->thread_num() << "\r\n";
tmp_stream << "sync_thread_num:" << g_pika_conf->sync_thread_num() << "\r\n";
tmp_stream << "uptime_in_seconds:" << (current_time_s - g_pika_server->start_time_s()) << "\r\n";
tmp_stream << "uptime_in_days:" << (current_time_s / (24*3600) - g_pika_server->start_time_s() / (24*3600) + 1) << "\r\n";
tmp_stream << "config_file:" << g_pika_conf->conf_path() << "\r\n";
info.append(tmp_stream.str());
}
void InfoCmd::InfoClients(std::string &info) {
std::stringstream tmp_stream;
tmp_stream << "# Clients\r\n";
tmp_stream << "connected_clients:" << g_pika_server->ClientList() << "\r\n";
info.append(tmp_stream.str());
}
void InfoCmd::InfoStats(std::string &info) {
std::stringstream tmp_stream;
tmp_stream << "# Stats\r\n";
tmp_stream << "total_connections_received:" << g_pika_server->accumulative_connections() << "\r\n";
tmp_stream << "instantaneous_ops_per_sec:" << g_pika_server->ServerCurrentQps() << "\r\n";
tmp_stream << "total_commands_processed:" << g_pika_server->ServerQueryNum() << "\r\n";
PikaServer::BGSaveInfo bgsave_info = g_pika_server->bgsave_info();
bool is_bgsaving = g_pika_server->bgsaving();
time_t current_time_s = time(NULL);
tmp_stream << "is_bgsaving:" << (is_bgsaving ? "Yes, " : "No, ") << bgsave_info.s_start_time << ", "
<< (is_bgsaving ? (current_time_s - bgsave_info.start_time) : 0) << "\r\n";
PikaServer::BGSlotsReload bgslotsreload_info = g_pika_server->bgslots_reload();
bool is_reloading = g_pika_server->GetSlotsreloading();
tmp_stream << "is_slots_reloading:" << (is_reloading ? "Yes, " : "No, ") << bgslotsreload_info.s_start_time << ", "
<< (is_reloading ? (current_time_s - bgslotsreload_info.start_time) : 0) << "\r\n";
PikaServer::KeyScanInfo key_scan_info = g_pika_server->key_scan_info();
bool is_scaning = g_pika_server->key_scaning();
tmp_stream << "is_scaning_keyspace:" << (is_scaning ? ("Yes, " + key_scan_info.s_start_time) + "," : "No");
if (is_scaning) {
tmp_stream << current_time_s - key_scan_info.start_time;
}
tmp_stream << "\r\n";
tmp_stream << "is_compact:" << g_pika_server->db()->GetCurrentTaskType() << "\r\n";
tmp_stream << "compact_cron:" << g_pika_conf->compact_cron() << "\r\n";
info.append(tmp_stream.str());
}
void InfoCmd::InfoReplication(std::string &info) {
int host_role = g_pika_server->role();
std::stringstream tmp_stream;
tmp_stream << "# Replication(";
switch (host_role) {
case PIKA_ROLE_SINGLE :
case PIKA_ROLE_MASTER : tmp_stream << "MASTER)\r\nrole:master\r\n"; break;
case PIKA_ROLE_SLAVE : tmp_stream << "SLAVE)\r\nrole:slave\r\n"; break;
case PIKA_ROLE_MASTER | PIKA_ROLE_SLAVE : tmp_stream << "MASTER/SLAVE)\r\nrole:slave\r\n"; break;
default: info.append("ERR: server role is error\r\n"); return;
}
std::string slaves_list_str;
//int32_t slaves_num = g_pika_server->GetSlaveListString(slaves_list_str);
switch (host_role) {
case PIKA_ROLE_SLAVE :
tmp_stream << "master_host:" << g_pika_server->master_ip() << "\r\n";
tmp_stream << "master_port:" << g_pika_server->master_port() << "\r\n";
tmp_stream << "master_link_status:" << (g_pika_server->repl_state() == PIKA_REPL_CONNECTED ? "up" : "down") << "\r\n";
tmp_stream << "slave_read_only:" << g_pika_conf->readonly() << "\r\n";
tmp_stream << "repl_state: " << (g_pika_server->repl_state()) << "\r\n";
break;
case PIKA_ROLE_MASTER | PIKA_ROLE_SLAVE :
tmp_stream << "master_host:" << g_pika_server->master_ip() << "\r\n";
tmp_stream << "master_port:" << g_pika_server->master_port() << "\r\n";
tmp_stream << "master_link_status:" << (g_pika_server->repl_state() == PIKA_REPL_CONNECTED ? "up" : "down") << "\r\n";
tmp_stream << "slave_read_only:" << g_pika_conf->readonly() << "\r\n";
tmp_stream << "repl_state: " << (g_pika_server->repl_state()) << "\r\n";
case PIKA_ROLE_SINGLE :
case PIKA_ROLE_MASTER :
tmp_stream << "connected_slaves:" << g_pika_server->GetSlaveListString(slaves_list_str) << "\r\n" << slaves_list_str;
}
info.append(tmp_stream.str());
}
void InfoCmd::InfoKeyspace(std::string &info) {
if (off_) {
g_pika_server->StopKeyScan();
off_ = false;
return;
}
PikaServer::KeyScanInfo key_scan_info = g_pika_server->key_scan_info();
std::vector<uint64_t> &key_nums_v = key_scan_info.key_nums_v;
if (key_scan_info.key_nums_v.size() != 5) {
info.append("info keyspace error\r\n");
return;
}
std::stringstream tmp_stream;
tmp_stream << "# Keyspace\r\n";
tmp_stream << "# Time:" << key_scan_info.s_start_time << "\r\n";
tmp_stream << "kv keys:" << key_nums_v[0] << "\r\n";
tmp_stream << "hash keys:" << key_nums_v[1] << "\r\n";
tmp_stream << "list keys:" << key_nums_v[2] << "\r\n";
tmp_stream << "zset keys:" << key_nums_v[3] << "\r\n";
tmp_stream << "set keys:" << key_nums_v[4] << "\r\n";
info.append(tmp_stream.str());
if (rescan_) {
g_pika_server->KeyScan();
}
return;
}
void InfoCmd::InfoLog(std::string &info) {
std::stringstream tmp_stream;
tmp_stream << "# Log" << "\r\n";
uint32_t purge_max;
int64_t log_size = slash::Du(g_pika_conf->log_path());
tmp_stream << "log_size:" << log_size << "\r\n";
tmp_stream << "log_size_human:" << (log_size >> 20) << "M\r\n";
tmp_stream << "safety_purge:" << (g_pika_server->GetPurgeWindow(purge_max) ?
kBinlogPrefix + std::to_string(static_cast<int32_t>(purge_max)) : "none") << "\r\n";
tmp_stream << "expire_logs_days:" << g_pika_conf->expire_logs_days() << "\r\n";
tmp_stream << "expire_logs_nums:" << g_pika_conf->expire_logs_nums() << "\r\n";
uint32_t filenum;
uint64_t offset;
g_pika_server->logger_->GetProducerStatus(&filenum, &offset);
tmp_stream << "binlog_offset:" << filenum << " " << offset << "\r\n";
info.append(tmp_stream.str());
return;
}
void InfoCmd::InfoData(std::string &info) {
std::stringstream tmp_stream;
int64_t db_size = slash::Du(g_pika_conf->db_path());
tmp_stream << "# Data" << "\r\n";
tmp_stream << "db_size:" << db_size << "\r\n";
tmp_stream << "db_size_human:" << (db_size >> 20) << "M\r\n";
tmp_stream << "compression:" << g_pika_conf->compression() << "\r\n";
// rocksdb related memory usage
uint64_t memtable_usage, table_reader_usage;
g_pika_server->db()->GetUsage(nemo::USAGE_TYPE_ROCKSDB_MEMTABLE, &memtable_usage);
g_pika_server->db()->GetUsage(nemo::USAGE_TYPE_ROCKSDB_TABLE_READER, &table_reader_usage);
tmp_stream << "used_memory:" << (memtable_usage + table_reader_usage) << "\r\n";
tmp_stream << "used_memory_human:" << ((memtable_usage + table_reader_usage) >> 20) << "M\r\n";
tmp_stream << "db_memtable_usage:" << memtable_usage << "\r\n";
tmp_stream << "db_tablereader_usage:" << table_reader_usage << "\r\n";
info.append(tmp_stream.str());
return;
}
void ConfigCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
if (!ptr_info->CheckArg(argv.size())) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameConfig);
return;
}
size_t argc = argv.size();
slash::StringToLower(argv[1]);
if (argv[1] == "get") {
if (argc != 3) {
res_.SetRes(CmdRes::kErrOther, "Wrong number of arguments for CONFIG get");
return;
}
} else if (argv[1] == "set") {
if (argc == 3 && argv[2] != "*") {
res_.SetRes(CmdRes::kErrOther, "Wrong number of arguments for CONFIG set");
return;
} else if (argc != 4 && argc != 3) {
res_.SetRes(CmdRes::kErrOther, "Wrong number of arguments for CONFIG set");
return;
}
} else if (argv[1] == "rewrite") {
if (argc != 2) {
res_.SetRes(CmdRes::kErrOther, "Wrong number of arguments for CONFIG rewrite");
return;
}
} else if (argv[1] == "resetstat") {
if (argc != 2) {
res_.SetRes(CmdRes::kErrOther, "Wrong number of arguments for CONFIG resetstat");
return;
}
} else {
res_.SetRes(CmdRes::kErrOther, "CONFIG subcommand must be one of GET, SET, RESETSTAT, REWRITE");
return;
}
config_args_v_.assign(argv.begin()+1, argv.end());
return;
}
void ConfigCmd::Do() {
std::string config_ret;
if (config_args_v_[0] == "get") {
ConfigGet(config_ret);
} else if (config_args_v_[0] == "set") {
ConfigSet(config_ret);
} else if (config_args_v_[0] == "rewrite") {
ConfigRewrite(config_ret);
} else if (config_args_v_[0] == "resetstat") {
ConfigResetstat(config_ret);
}
res_.AppendStringRaw(config_ret);
return;
}
static void EncodeString(std::string *dst, const std::string &value) {
dst->append("$");
dst->append(std::to_string(value.size()));
dst->append("\r\n");
dst->append(value.data(), value.size());
dst->append("\r\n");
}
static void EncodeInt32(std::string *dst, const int32_t v) {
std::string vstr = std::to_string(v);
dst->append("$");
dst->append(std::to_string(vstr.length()));
dst->append("\r\n");
dst->append(vstr);
dst->append("\r\n");
}
void ConfigCmd::ConfigGet(std::string &ret) {
std::string get_item = config_args_v_[1];
if (get_item == "port") {
ret = "*2\r\n";
EncodeString(&ret, "port");
EncodeInt32(&ret, g_pika_conf->port());
} else if (get_item == "thread-num") {
ret = "*2\r\n";
EncodeString(&ret, "thread-num");
EncodeInt32(&ret, g_pika_conf->thread_num());
} else if (get_item == "sync-thread-num") {
ret = "*2\r\n";
EncodeString(&ret, "sync-thread-num");
EncodeInt32(&ret, g_pika_conf->sync_thread_num());
} else if (get_item == "sync-buffer-size") {
ret = "*2\r\n";
EncodeString(&ret, "sync-buffer-size");
EncodeInt32(&ret, g_pika_conf->sync_buffer_size());
} else if (get_item == "log-path") {
ret = "*2\r\n";
EncodeString(&ret, "log-path");
EncodeString(&ret, g_pika_conf->log_path());
} else if (get_item == "loglevel") {
ret = "*2\r\n";
EncodeString(&ret, "loglevel");
EncodeString(&ret, g_pika_conf->log_level() ? "ERROR" : "INFO");
} else if (get_item == "db-path") {
ret = "*2\r\n";
EncodeString(&ret, "db-path");
EncodeString(&ret, g_pika_conf->db_path());
} else if (get_item == "db-sync-path") {
ret = "*2\r\n";
EncodeString(&ret, "db-sync-path");
EncodeString(&ret, g_pika_conf->db_sync_path());
} else if (get_item == "db-sync-speed") {
ret = "*2\r\n";
EncodeString(&ret, "db-sync-speed");
EncodeInt32(&ret, g_pika_conf->db_sync_speed());
} else if (get_item == "compact-cron") {
ret = "*2\r\n";
EncodeString(&ret, "compact-cron");
EncodeString(&ret, g_pika_conf->compact_cron());
} else if (get_item == "maxmemory") {
ret = "*2\r\n";
EncodeString(&ret, "maxmemory");
EncodeInt32(&ret, g_pika_conf->write_buffer_size());
} else if (get_item == "write-buffer-size") {
ret = "*2\r\n";
EncodeString(&ret, "write-buffer-size");
EncodeInt32(&ret, g_pika_conf->write_buffer_size());
} else if (get_item == "timeout") {
ret = "*2\r\n";
EncodeString(&ret, "timeout");
EncodeInt32(&ret, g_pika_conf->timeout());
} else if (get_item == "requirepass") {
ret = "*2\r\n";
EncodeString(&ret, "requirepass");
EncodeString(&ret, g_pika_conf->requirepass());
} else if (get_item == "masterauth") {
ret = "*2\r\n";
EncodeString(&ret, "masterauth");
EncodeString(&ret, g_pika_conf->masterauth());
} else if (get_item == "userpass") {
ret = "*2\r\n";
EncodeString(&ret, "userpass");
EncodeString(&ret, g_pika_conf->userpass());
} else if (get_item == "userblacklist") {
ret = "*2\r\n";
EncodeString(&ret, "userblacklist");
EncodeString(&ret, (g_pika_conf->suser_blacklist()).c_str());
} else if (get_item == "dump-prefix") {
ret = "*2\r\n";
EncodeString(&ret, "dump-prefix");
EncodeString(&ret, g_pika_conf->bgsave_prefix());
} else if (get_item == "daemonize") {
ret = "*2\r\n";
EncodeString(&ret, "daemonize");
EncodeString(&ret, g_pika_conf->daemonize() ? "yes" : "no");
} else if (get_item == "slotmigrate") {
ret = "*2\r\n";
EncodeString(&ret, "slotmigrate");
EncodeString(&ret, g_pika_conf->slotmigrate() ? "yes" : "no");
} else if (get_item == "dump-path") {
ret = "*2\r\n";
EncodeString(&ret, "dump-path");
EncodeString(&ret, g_pika_conf->bgsave_path());
} else if (get_item == "dump-expire") {
ret = "*2\r\n";
EncodeString(&ret, "dump-expire");
EncodeInt32(&ret, g_pika_conf->expire_dump_days());
} else if (get_item == "pidfile") {
ret = "*2\r\n";
EncodeString(&ret, "pidfile");
EncodeString(&ret, g_pika_conf->pidfile());
} else if (get_item == "maxclients") {
ret = "*2\r\n";
EncodeString(&ret, "maxclients");
EncodeInt32(&ret, g_pika_conf->maxclients());
} else if (get_item == "target-file-size-base") {
ret = "*2\r\n";
EncodeString(&ret, "target-file-size-base");
EncodeInt32(&ret, g_pika_conf->target_file_size_base());
} else if (get_item == "max-background-flushes") {
ret = "*2\r\n";
EncodeString(&ret, "max-background-flushes");
EncodeInt32(&ret, g_pika_conf->max_background_flushes());
} else if (get_item == "max-background-compactions") {
ret = "*2\r\n";
EncodeString(&ret, "max-background-compactions");
EncodeInt32(&ret, g_pika_conf->max_background_compactions());
} else if (get_item == "max-cache-files") {
ret = "*2\r\n";
EncodeString(&ret, "max-cache-files");
EncodeInt32(&ret, g_pika_conf->max_cache_files());
} else if (get_item == "max-bytes-for-level-multiplier") {
ret = "*2\r\n";
EncodeString(&ret, "max-bytes-for-level-multiplier");
EncodeInt32(&ret, g_pika_conf->max_bytes_for_level_multiplier());
} else if (get_item == "expire-logs-days") {
ret = "*2\r\n";
EncodeString(&ret, "expire-logs-days");
EncodeInt32(&ret, g_pika_conf->expire_logs_days());
} else if (get_item == "expire-logs-nums") {
ret = "*2\r\n";
EncodeString(&ret, "expire-logs-nums");
EncodeInt32(&ret, g_pika_conf->expire_logs_nums());
} else if (get_item == "root-connection-num" ) {
ret = "*2\r\n";
EncodeString(&ret, "root-connection-num");
EncodeInt32(&ret, g_pika_conf->root_connection_num());
} else if (get_item == "slowlog-log-slower-than") {
ret = "*2\r\n";
EncodeString(&ret, "slowlog-log-slower-than");
EncodeInt32(&ret, g_pika_conf->slowlog_slower_than());
} else if (get_item == "binlog-file-size") {
ret = "*2\r\n";
EncodeString(&ret, "binlog-file-size");
EncodeInt32(&ret, g_pika_conf->binlog_file_size());
} else if (get_item == "compression") {
ret = "*2\r\n";
EncodeString(&ret, "compression");
EncodeString(&ret, g_pika_conf->compression());
} else if (get_item == "slave-read-only") {
ret = "*2\r\n";
EncodeString(&ret, "slave-read-only");
if (g_pika_conf->readonly()) {
EncodeString(&ret, "yes");
} else {
EncodeString(&ret, "no");
}
} else if (get_item == "slaveof") {
ret = "*2\r\n";
EncodeString(&ret, "slaveof");
EncodeString(&ret, g_pika_conf->slaveof());
} else if (get_item == "*") {
ret = "*76\r\n";
EncodeString(&ret, "port");
EncodeInt32(&ret, g_pika_conf->port());
EncodeString(&ret, "thread-num");
EncodeInt32(&ret, g_pika_conf->thread_num());
EncodeString(&ret, "sync-thread-num");
EncodeInt32(&ret, g_pika_conf->sync_thread_num());
EncodeString(&ret, "sync-buffer-size");
EncodeInt32(&ret, g_pika_conf->sync_buffer_size());
EncodeString(&ret, "log-path");
EncodeString(&ret, g_pika_conf->log_path());
EncodeString(&ret, "loglevel");
EncodeString(&ret, g_pika_conf->log_level() ? "ERROR" : "INFO");
EncodeString(&ret, "db-path");
EncodeString(&ret, g_pika_conf->db_path());
EncodeString(&ret, "maxmemory");
EncodeInt32(&ret, g_pika_conf->write_buffer_size());
EncodeString(&ret, "write-buffer-size");
EncodeInt32(&ret, g_pika_conf->write_buffer_size());
EncodeString(&ret, "timeout");
EncodeInt32(&ret, g_pika_conf->timeout());
EncodeString(&ret, "requirepass");
EncodeString(&ret, g_pika_conf->requirepass());
EncodeString(&ret, "masterauth");
EncodeString(&ret, g_pika_conf->masterauth());
EncodeString(&ret, "userpass");
EncodeString(&ret, g_pika_conf->userpass());
EncodeString(&ret, "userblacklist");
EncodeString(&ret, g_pika_conf->suser_blacklist());
EncodeString(&ret, "daemonize");
EncodeInt32(&ret, g_pika_conf->daemonize());
EncodeString(&ret, "slotmigrate");
EncodeInt32(&ret, g_pika_conf->slotmigrate());
EncodeString(&ret, "dump-path");
EncodeString(&ret, g_pika_conf->bgsave_path());
EncodeString(&ret, "dump-expire");
EncodeInt32(&ret, g_pika_conf->expire_dump_days());
EncodeString(&ret, "dump-prefix");
EncodeString(&ret, g_pika_conf->bgsave_prefix());
EncodeString(&ret, "pidfile");
EncodeString(&ret, g_pika_conf->pidfile());
EncodeString(&ret, "maxclients");
EncodeInt32(&ret, g_pika_conf->maxclients());
EncodeString(&ret, "target-file-size-base");
EncodeInt32(&ret, g_pika_conf->target_file_size_base());
EncodeString(&ret, "max-background-flushes");
EncodeInt32(&ret, g_pika_conf->max_background_flushes());
EncodeString(&ret, "max-background-compactions");
EncodeInt32(&ret, g_pika_conf->max_background_compactions());
EncodeString(&ret, "max-cache-files");
EncodeInt32(&ret, g_pika_conf->max_cache_files());
EncodeString(&ret, "max-bytes-for-level-multiplier");
EncodeInt32(&ret, g_pika_conf->max_bytes_for_level_multiplier());
EncodeString(&ret, "expire-logs-days");
EncodeInt32(&ret, g_pika_conf->expire_logs_days());
EncodeString(&ret, "expire-logs-nums");
EncodeInt32(&ret, g_pika_conf->expire_logs_nums());
EncodeString(&ret, "root-connection-num");
EncodeInt32(&ret, g_pika_conf->root_connection_num());
EncodeString(&ret, "slowlog-log-slower-than");
EncodeInt32(&ret, g_pika_conf->slowlog_slower_than());
EncodeString(&ret, "slave-read-only");
EncodeInt32(&ret, g_pika_conf->readonly());
EncodeString(&ret, "binlog-file-size");
EncodeInt32(&ret, g_pika_conf->binlog_file_size());
EncodeString(&ret, "compression");
EncodeString(&ret, g_pika_conf->compression());
EncodeString(&ret, "db-sync-path");
EncodeString(&ret, g_pika_conf->db_sync_path());
EncodeString(&ret, "db-sync-speed");
EncodeInt32(&ret, g_pika_conf->db_sync_speed());
EncodeString(&ret, "compact-cron");
EncodeString(&ret, g_pika_conf->compact_cron());
EncodeString(&ret, "network-interface");
EncodeString(&ret, g_pika_conf->network_interface());
EncodeString(&ret, "slaveof");
EncodeString(&ret, g_pika_conf->slaveof());
} else {
ret = "*0\r\n";
}
}
void ConfigCmd::ConfigSet(std::string& ret) {
std::string set_item = config_args_v_[1];
if (set_item == "*") {
ret = "*16\r\n";
EncodeString(&ret, "loglevel");
EncodeString(&ret, "timeout");
EncodeString(&ret, "requirepass");
EncodeString(&ret, "masterauth");
EncodeString(&ret, "slotmigrate");
EncodeString(&ret, "userpass");
EncodeString(&ret, "userblacklist");
EncodeString(&ret, "dump-prefix");
EncodeString(&ret, "maxclients");
EncodeString(&ret, "dump-expire");
EncodeString(&ret, "expire-logs-days");