(Tcl) Azure Storage: Get Blob Service Stats

Azure Storage Blob Service REST API: Sample code to get Blob Service Stats

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load ./chilkat.dll

# Azure Blob Service Example: Get Blob Service Stats

# 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 Azure Storage Blob Service
set bTls 1
set port 443
set bAutoReconnect 1
# In this example, the storage account name is "chilkat".
# ---- IMPORTANT ----
# The "-secondary" suffix is required.
# This requires an Azure storage account with replication set to "Read-access geo-redundant storage (RA-GRS)"
# If you made the change just prior to testing this example, you'll need to give it time for the 
# DNS to become available..  
# ---- IMPORTANT ----
set success [CkRest_Connect $rest "chilkat-secondary.blob.core.windows.net" $port $bTls $bAutoReconnect]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    exit
}

# Provide Azure Cloud credentials for the REST call.
set azAuth [new_CkAuthAzureStorage]

CkAuthAzureStorage_put_AccessKey $azAuth "AZURE_ACCESS_KEY"
# The account name used here should match the 1st part of the domain passed in the call to Connect (above).
CkAuthAzureStorage_put_Account $azAuth "chilkat"
CkAuthAzureStorage_put_Scheme $azAuth "SharedKey"
CkAuthAzureStorage_put_Service $azAuth "Blob"
# This causes the "x-ms-version: 2020-08-04" header to be automatically added.
CkAuthAzureStorage_put_XMsVersion $azAuth "2020-08-04"
set success [CkRest_SetAuthAzureStorage $rest $azAuth]

# Note: The application does not need to explicitly set the following
# headers: x-ms-date, Authorization.  These headers
# are automatically set by Chilkat.

set responseStr [CkRest_fullRequestNoBody $rest "GET" "/?restype=service&comp=stats"]
if {[CkRest_get_LastMethodSuccess $rest] != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAzureStorage $azAuth
    exit
}

# When successful, the Azure Storage service will respond with a 200 response code,
# with an XML body.  
if {[CkRest_get_ResponseStatusCode $rest] != 200} then {
    # Examine the request/response to see what happened.
    puts "response status code = [CkRest_get_ResponseStatusCode $rest]"
    puts "response status text = [CkRest_responseStatusText $rest]"
    puts "response header: [CkRest_responseHeader $rest]"
    puts "response body (if any): $responseStr"
    puts "---"
    puts "LastRequestStartLine: [CkRest_lastRequestStartLine $rest]"
    puts "LastRequestHeader: [CkRest_lastRequestHeader $rest]"
    delete_CkRest $rest
    delete_CkAuthAzureStorage $azAuth
    exit
}

# Load the XML response for parsing.
# An example of the response XML is shown below.
set xml [new_CkXml]

set success [CkXml_LoadXml $xml $responseStr]

puts [CkXml_getXml $xml]

# Use the ChilkatPath method to get various pieces of information out
# of the XML.  For example:

puts "Status = [CkXml_chilkatPath $xml GeoReplication|Status|*]"
set lastSyncTimeStr [CkXml_chilkatPath $xml "GeoReplication|LastSyncTime|*"]
puts "LastSyncTime = $lastSyncTimeStr"

# The date/time string can be loaded into a CkDateTime object for 
# access to individual parts, or conversion to other formats.
set dateTime [new_CkDateTime]

set success [CkDateTime_SetFromRfc822 $dateTime $lastSyncTimeStr]

# For example:
set bLocalTime 1
# dt is a CkDtObj
set dt [CkDateTime_GetDtObj $dateTime $bLocalTime]
puts [CkDtObj_get_Year $dt]/[CkDtObj_get_Month $dt]/[CkDtObj_get_Day $dt]
delete_CkDtObj $dt

# <StorageServiceStats>
#     <GeoReplication>
#         <Status>live</Status>
#         <LastSyncTime>Tue, 03 May 2016 23:57:54 GMT</LastSyncTime>
#     </GeoReplication>
# </StorageServiceStats>

delete_CkRest $rest
delete_CkAuthAzureStorage $azAuth
delete_CkXml $xml
delete_CkDateTime $dateTime