itd/cmd/itctl/firmware/upgrade.go

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/*
* itd uses bluetooth low energy to communicate with InfiniTime devices
* Copyright (C) 2021 Arsen Musayelyan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
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package firmware
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import (
"bufio"
"encoding/json"
"net"
"github.com/cheggaaa/pb/v3"
"github.com/mitchellh/mapstructure"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"go.arsenm.dev/itd/internal/types"
)
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type DFUProgress struct {
Received int64 `mapstructure:"recvd"`
Total int64 `mapstructure:"total"`
}
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// upgradeCmd represents the upgrade command
var upgradeCmd = &cobra.Command{
Use: "upgrade",
Short: "Upgrade InfiniTime firmware using files or archive",
Aliases: []string{"upg"},
Run: func(cmd *cobra.Command, args []string) {
// Connect to itd UNIX socket
conn, err := net.Dial("unix", viper.GetString("sockPath"))
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if err != nil {
log.Fatal().Err(err).Msg("Error dialing socket. Is itd running?")
}
defer conn.Close()
var data types.ReqDataFwUpgrade
// Get relevant data struct
if viper.GetString("archive") != "" {
// Get archive data struct
data = types.ReqDataFwUpgrade{
Type: types.UpgradeTypeArchive,
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Files: []string{viper.GetString("archive")},
}
} else if viper.GetString("initPkt") != "" && viper.GetString("firmware") != "" {
// Get files data struct
data = types.ReqDataFwUpgrade{
Type: types.UpgradeTypeFiles,
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Files: []string{viper.GetString("initPkt"), viper.GetString("firmware")},
}
} else {
cmd.Usage()
log.Warn().Msg("Upgrade command requires either archive or init packet and firmware.")
return
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}
// Encode response into connection
err = json.NewEncoder(conn).Encode(types.Request{
Type: types.ReqTypeFwUpgrade,
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Data: data,
})
if err != nil {
log.Fatal().Err(err).Msg("Error making request")
}
// Create progress bar template
barTmpl := `{{counters . }} B {{bar . "|" "-" (cycle .) " " "|"}} {{percent . }} {{rtime . "%s"}}`
// Start full bar at 0 total
bar := pb.ProgressBarTemplate(barTmpl).Start(0)
// Create new scanner of connection
scanner := bufio.NewScanner(conn)
for scanner.Scan() {
var res types.Response
// Decode scanned line into response struct
err = json.Unmarshal(scanner.Bytes(), &res)
if err != nil {
log.Fatal().Err(err).Msg("Error decoding JSON response")
}
if res.Error {
log.Fatal().Msg(res.Message)
}
var event DFUProgress
// Decode response data into progress struct
err = mapstructure.Decode(res.Value, &event)
if err != nil {
log.Fatal().Err(err).Msg("Error decoding response data")
}
// Set total bytes in progress bar
bar.SetTotal(event.Total)
// Set amount of bytes received in progress bar
bar.SetCurrent(event.Received)
// If transfer finished, break
if event.Received == event.Total {
break
}
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}
// Finish progress bar
bar.Finish()
if scanner.Err() != nil {
log.Fatal().Err(scanner.Err()).Msg("Error while scanning output")
}
},
}
func init() {
firmwareCmd.AddCommand(upgradeCmd)
// Register flags
upgradeCmd.Flags().StringP("archive", "a", "", "Path to firmware archive")
upgradeCmd.Flags().StringP("init-pkt", "i", "", "Path to init packet (.dat file)")
upgradeCmd.Flags().StringP("firmware", "f", "", "Path to firmware image (.bin file)")
// Bind flags to viper keys
viper.BindPFlag("archive", upgradeCmd.Flags().Lookup("archive"))
viper.BindPFlag("initPkt", upgradeCmd.Flags().Lookup("init-pkt"))
viper.BindPFlag("firmware", upgradeCmd.Flags().Lookup("firmware"))
}