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101 lines
2.3 KiB
101 lines
2.3 KiB
package config
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import (
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"bufio"
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"log"
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"os"
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"strconv"
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"strings"
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"github.com/simple-rules/harmony-benchmark/p2p"
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)
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// Entry is a single config of a node.
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type Entry struct {
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IP string
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Port string
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Role string
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ShardID string
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}
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// Config is a struct containing multiple Entry of all nodes.
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type Config struct {
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config []Entry
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}
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// NewConfig returns a pointer to a Config.
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func NewConfig() *Config {
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config := Config{}
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return &config
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}
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// GetValidators returns all the validator peers
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func (config *Config) GetValidators() []p2p.Peer {
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var peerList []p2p.Peer
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for _, entry := range config.config {
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if entry.Role != "validator" {
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continue
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}
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peer := p2p.Peer{Port: entry.Port, Ip: entry.IP}
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peerList = append(peerList, peer)
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}
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return peerList
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}
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// GetShardIDToLeaderMap returns all the leader peers and corresponding shard Ids
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func (config *Config) GetShardIDToLeaderMap() map[uint32]p2p.Peer {
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shardIDLeaderMap := map[uint32]p2p.Peer{}
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for _, entry := range config.config {
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if entry.Role == "leader" {
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val, err := strconv.Atoi(entry.ShardID)
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if err == nil {
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shardIDLeaderMap[uint32(val)] = p2p.Peer{Ip: entry.IP, Port: entry.Port}
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} else {
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log.Print("[Generator] Error parsing the shard Id ", entry.ShardID)
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}
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}
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}
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return shardIDLeaderMap
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}
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// GetClientPeer returns the client peer.
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func (config *Config) GetClientPeer() *p2p.Peer {
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for _, entry := range config.config {
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if entry.Role != "client" {
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continue
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}
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peer := p2p.Peer{Port: entry.Port, Ip: entry.IP}
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return &peer
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}
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return nil
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}
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// GetClientPort returns the port of the client node in the config
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func (config *Config) GetClientPort() string {
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for _, entry := range config.config {
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if entry.Role == "client" {
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return entry.Port
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}
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}
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return ""
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}
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// ReadConfigFile parses the config file and return a 2d array containing the file data
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func (config *Config) ReadConfigFile(filename string) error {
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file, err := os.Open(filename)
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if err != nil {
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log.Fatal("Failed to read config file ", filename)
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return err
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}
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defer file.Close()
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fscanner := bufio.NewScanner(file)
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result := []Entry{}
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for fscanner.Scan() {
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p := strings.Split(fscanner.Text(), " ")
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entry := Entry{p[0], p[1], p[2], p[3]}
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result = append(result, entry)
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}
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config.config = result
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return nil
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}
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