Chilkat Examples

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Tcl Examples

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(Tcl) S3 Upload Binary File from BinData

Upload a binary file contained in a BinData object to Amazon S3.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

#  This example requires the Chilkat API to have been previously unlocked.
#  See Global Unlock Sample for sample code.

set rest [new_CkRest]

#  Connect to the Amazon AWS REST server.
set bTls 1
set port 443
set bAutoReconnect 1
#  Make sure to connect to the region where the bucket is located..
set success [CkRest_Connect $rest "s3-us-west-2.amazonaws.com" $port $bTls $bAutoReconnect]

#  Provide AWS credentials for the REST call.
set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $authAws "AWS_SECRET_KEY"
#  Use the correct region..
CkAuthAws_put_Region $authAws "us-west-2"
CkAuthAws_put_ServiceName $authAws "s3"

set success [CkRest_SetAuthAws $rest $authAws]

#  Set the bucket name via the HOST header.
#  In this case, the bucket name is "chilkat.qa".
#  (Also make sure to use the correct region.)
CkRest_put_Host $rest "chilkat.qa.s3-us-west-2.amazonaws.com"

#  Load a text file into memory.
set pngData [new_CkBinData]

set success [CkBinData_LoadFile $pngData "qa_data/png/anemone.png"]
if {[expr $success != 1]} then {
    puts "Failed to load file from local filesystem."
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkBinData $pngData
    exit
}

#  Indicate the Content-Type of our upload.  (This is optional)
CkRest_AddHeader $rest "Content-Type" "image/png"

#  Upload the file to Amazon S3.
set sbResponse [new_CkStringBuilder]

set success [CkRest_FullRequestBd $rest "PUT" "/images/sea_creatures/anemone.png" $pngData $sbResponse]
if {[expr $success != 1]} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkBinData $pngData
    delete_CkStringBuilder $sbResponse
    exit
}

#  Did we get a 200 response indicating success?
set statusCode [CkRest_get_ResponseStatusCode $rest]
if {[expr $statusCode != 200]} then {
    puts "Error response: [CkStringBuilder_getAsString $sbResponse]"
    puts "Status code: $statusCode, Status text: [CkRest_responseStatusText $rest]"
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkBinData $pngData
    delete_CkStringBuilder $sbResponse
    exit
}

puts "File successfully uploaded."

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkBinData $pngData
delete_CkStringBuilder $sbResponse

 

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