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main.go
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main.go
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// Copyright © 2017 Microsoft <wastore@microsoft.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package main
import (
"fmt"
"os"
"strconv"
"github.com/Azure/azure-storage-azcopy/cmd"
"github.com/Azure/azure-storage-azcopy/common"
"github.com/Azure/azure-storage-azcopy/ste"
)
// get the lifecycle manager to print messages
var glcm = common.GetLifecycleMgr()
func main() {
azcopyAppPathFolder := GetAzCopyAppPath()
// If insufficient arguments, show usage & terminate
if len(os.Args) == 1 {
cmd.Execute(azcopyAppPathFolder)
return
}
// Perform os specific initialization
_, err := ProcessOSSpecificInitialization()
if err != nil {
panic(err)
}
// Get the value of environment variable AZCOPY_CONCURRENCY_VALUE
// If the environment variable is set, it defines the number of concurrent connections
// transfer engine will spawn. If not set, transfer engine will spawn the default number
// of concurrent connections
defaultConcurrentConnections := 300
concurrencyValue := os.Getenv("AZCOPY_CONCURRENCY_VALUE")
if concurrencyValue != "" {
val, err := strconv.ParseInt(concurrencyValue, 10, 64)
if err != nil {
panic(fmt.Sprintf("error parsing the env azcopy_concurency_value %v. "+
"Failed with error %s", concurrencyValue, err.Error()))
}
defaultConcurrentConnections = int(val)
}
ste.MainSTE(defaultConcurrentConnections, 2400, azcopyAppPathFolder)
cmd.Execute(azcopyAppPathFolder)
glcm.Exit("", common.EExitCode.Success())
}