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client.go
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client.go
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package botrest
import (
"fmt"
"net/url"
"strconv"
"time"
"github.com/botlabs-gg/yagpdb/common"
"github.com/botlabs-gg/yagpdb/common/internalapi"
"github.com/jonas747/discordgo/v2"
"github.com/jonas747/dstate/v4"
"github.com/mediocregopher/radix/v3"
)
var clientLogger = common.GetFixedPrefixLogger("botrest_client")
func GetGuild(guildID int64) (g *dstate.GuildSet, err error) {
err = internalapi.GetWithGuild(guildID, discordgo.StrID(guildID)+"/guild", &g)
return
}
func GetBotMember(guildID int64) (m *discordgo.Member, err error) {
err = internalapi.GetWithGuild(guildID, discordgo.StrID(guildID)+"/botmember", &m)
return
}
func GetOnlineCount(guildID int64) (c int64, err error) {
err = internalapi.GetWithGuild(guildID, discordgo.StrID(guildID)+"/onlinecount", &c)
return
}
func GetMembers(guildID int64, members ...int64) (m []*discordgo.Member, err error) {
stringed := make([]string, 0, len(members))
for _, v := range members {
stringed = append(stringed, strconv.FormatInt(v, 10))
}
query := url.Values{"users": stringed}
encoded := query.Encode()
err = internalapi.GetWithGuild(guildID, discordgo.StrID(guildID)+"/members?"+encoded, &m)
return
}
func GetMemberColors(guildID int64, members ...int64) (m map[string]int, err error) {
m = make(map[string]int)
stringed := make([]string, 0, len(members))
for _, v := range members {
stringed = append(stringed, strconv.FormatInt(v, 10))
}
query := url.Values{"users": stringed}
encoded := query.Encode()
err = internalapi.GetWithGuild(guildID, discordgo.StrID(guildID)+"/membercolors?"+encoded, &m)
return
}
func GetMemberMultiGuild(userID int64, guilds ...int64) (members []*discordgo.Member, err error) {
members = make([]*discordgo.Member, 0, len(guilds))
for _, v := range guilds {
m, err := GetMembers(v, userID)
if err == nil && len(m) > 0 {
members = append(members, m[0])
}
}
return
}
func GetChannelPermissions(guildID, channelID int64) (perms int64, err error) {
err = internalapi.GetWithGuild(guildID, discordgo.StrID(guildID)+"/channelperms/"+discordgo.StrID(channelID), &perms)
return
}
func GetSessionInfo(addr string) (st []*shardSessionInfo, err error) {
err = internalapi.GetWithAddress(addr, "/shard_sessions", &st)
return
}
type NodeStatus struct {
ID string `json:"id"`
Shards []*ShardStatus `json:"shards"`
Host string `json:"host"`
Uptime time.Duration `json:"uptime"`
}
type NodeStatusesResponse struct {
Nodes []*NodeStatus `json:"nodes"`
MissingShards []int `json:"missing_shards"`
TotalShards int `json:"total_shards"`
}
func GetNodeStatuses() (st *NodeStatusesResponse, err error) {
// retrieve a list of nodes
// Special handling if were in clustered mode
var clustered bool
err = common.RedisPool.Do(radix.Cmd(&clustered, "EXISTS", "dshardorchestrator_nodes_z"))
if err != nil {
return nil, err
}
if clustered {
return getNodeStatusesClustered()
}
var status *NodeStatus
err = internalapi.GetWithShard(0, "node_status", &status)
if err != nil {
return nil, err
}
status.ID = "N/A"
return &NodeStatusesResponse{
Nodes: []*NodeStatus{status},
TotalShards: 1,
}, nil
}
func getNodeStatusesClustered() (st *NodeStatusesResponse, err error) {
nodeIDs, err := common.GetActiveNodes()
if err != nil {
return nil, err
}
totalShards, _ := common.ServicePoller.GetShardCount()
st = &NodeStatusesResponse{
TotalShards: int(totalShards),
}
// send requests
resultCh := make(chan interface{}, len(nodeIDs))
for _, n := range nodeIDs {
go getNodeStatusCh(n, resultCh)
}
timeout := time.After(time.Second * 3)
// fetch responses
for index := 0; index < len(nodeIDs); index++ {
select {
case <-timeout:
clientLogger.Errorf("Timed out waiting for %d nodes", len(nodeIDs)-index)
break
case result := <-resultCh:
switch t := result.(type) {
case error:
continue
case *NodeStatus:
st.Nodes = append(st.Nodes, t)
}
}
}
// check for missing nodes/shards
OUTER:
for i := 0; i < int(totalShards); i++ {
for _, node := range st.Nodes {
for _, shard := range node.Shards {
if shard.ShardID == i {
continue OUTER // shard found
}
}
}
// shard not found
st.MissingShards = append(st.MissingShards, i)
}
return
}
func getNodeStatusCh(nodeID string, retCh chan interface{}) {
status, err := GetNodeStatus(nodeID)
if err != nil {
retCh <- err
} else {
retCh <- status
}
}
func GetNodeStatus(nodeID string) (*NodeStatus, error) {
// retrieve the REST address for this node
addr, err := common.ServicePoller.GetNodeAddress(nodeID)
if err != nil {
clientLogger.WithError(err).Error("failed retrieving rest address for bot for node id: ", nodeID)
return nil, err
}
var status *NodeStatus
err = internalapi.GetWithAddress(addr, "node_status", &status)
if err != nil {
clientLogger.WithError(err).Error("failed retrieving shard status for node ", nodeID)
return nil, err
}
return status, nil
}
func SendReconnectShard(shardID int, reidentify bool) (err error) {
queryParams := ""
if reidentify {
queryParams = "?reidentify=1"
}
err = internalapi.PostWithShard(shardID, fmt.Sprintf("shard/%d/reconnect"+queryParams, shardID), nil, nil)
return
}
func SendReconnectAll(reidentify bool) (err error) {
queryParams := ""
if reidentify {
queryParams = "?reidentify=1"
}
err = internalapi.PostWithShard(0, "shard/*/reconnect"+queryParams, nil, nil)
return
}