Chilkat Online Tools

DescribeStream Ruby Example

Amazon Kinesis Video Streams

require 'chilkat'

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

rest = Chilkat::CkRest.new()

authAws = Chilkat::CkAuthAws.new()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_SecretKey("AWS_SECRET_KEY")

# Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.put_Region("us-west-2")
authAws.put_ServiceName("kinesisvideo")
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

# URL: https://kinesisvideo.us-west-2.amazonaws.com/
# Use the same region as specified above.
success = rest.Connect("kinesisvideo.us-west-2.amazonaws.com",443,true,true)
if (success != true)
    print "ConnectFailReason: " + rest.get_ConnectFailReason().to_s() + "\n";
    print rest.lastErrorText() + "\n";
    exit
end

# The following code creates the JSON request body.
# The JSON created by this code is shown below.

# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON

json = Chilkat::CkJsonObject.new()
json.UpdateString("ExclusiveStartShardId","string")
json.UpdateInt("Limit",123)
json.UpdateString("StreamName","string")

# The JSON request body created by the above code:

# {
#   "ExclusiveStartShardId": "string",
#   "Limit": number,
#   "StreamName": "string"
# }

rest.AddHeader("Content-Type","application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target","DescribeStream")

sbRequestBody = Chilkat::CkStringBuilder.new()
json.EmitSb(sbRequestBody)
sbResponseBody = Chilkat::CkStringBuilder.new()
success = rest.FullRequestSb("POST","/describeStream",sbRequestBody,sbResponseBody)
if (success != true)
    print rest.lastErrorText() + "\n";
    exit
end

respStatusCode = rest.get_ResponseStatusCode()
print "response status code = " + respStatusCode.to_s() + "\n";
if (respStatusCode != 200)
    print "Response Header:" + "\n";
    print rest.responseHeader() + "\n";
    print "Response Body:" + "\n";
    print sbResponseBody.getAsString() + "\n";
    exit
end

jResp = Chilkat::CkJsonObject.new()
jResp.LoadSb(sbResponseBody)

# The following code parses the JSON response.
# A sample JSON response is shown below the sample code.

# Use this online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

EncryptionType = jResp.stringOf("StreamDescription.EncryptionType")
HasMoreShards = jResp.IntOf("StreamDescription.HasMoreShards")
KeyId = jResp.stringOf("StreamDescription.KeyId")
RetentionPeriodHours = jResp.IntOf("StreamDescription.RetentionPeriodHours")
StreamARN = jResp.stringOf("StreamDescription.StreamARN")
StreamCreationTimestamp = jResp.IntOf("StreamDescription.StreamCreationTimestamp")
StreamMode = jResp.stringOf("StreamDescription.StreamModeDetails.StreamMode")
StreamName = jResp.stringOf("StreamDescription.StreamName")
StreamStatus = jResp.stringOf("StreamDescription.StreamStatus")
i = 0
count_i = jResp.SizeOfArray("StreamDescription.EnhancedMonitoring")
while i < count_i
    jResp.put_I(i)
    j = 0
    count_j = jResp.SizeOfArray("StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics")
    while j < count_j
        jResp.put_J(j)
        strVal = jResp.stringOf("StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics[j]")
        j = j + 1
    end
    i = i + 1
end
i = 0
count_i = jResp.SizeOfArray("StreamDescription.Shards")
while i < count_i
    jResp.put_I(i)
    AdjacentParentShardId = jResp.stringOf("StreamDescription.Shards[i].AdjacentParentShardId")
    EndingHashKey = jResp.stringOf("StreamDescription.Shards[i].HashKeyRange.EndingHashKey")
    StartingHashKey = jResp.stringOf("StreamDescription.Shards[i].HashKeyRange.StartingHashKey")
    ParentShardId = jResp.stringOf("StreamDescription.Shards[i].ParentShardId")
    EndingSequenceNumber = jResp.stringOf("StreamDescription.Shards[i].SequenceNumberRange.EndingSequenceNumber")
    StartingSequenceNumber = jResp.stringOf("StreamDescription.Shards[i].SequenceNumberRange.StartingSequenceNumber")
    ShardId = jResp.stringOf("StreamDescription.Shards[i].ShardId")
    i = i + 1
end

# A sample JSON response body parsed by the above code:

# {
#   "StreamDescription": {
#     "EncryptionType": "string",
#     "EnhancedMonitoring": [
#       {
#         "ShardLevelMetrics": [
#           "string"
#         ]
#       }
#     ],
#     "HasMoreShards": boolean,
#     "KeyId": "string",
#     "RetentionPeriodHours": number,
#     "Shards": [
#       {
#         "AdjacentParentShardId": "string",
#         "HashKeyRange": {
#           "EndingHashKey": "string",
#           "StartingHashKey": "string"
#         },
#         "ParentShardId": "string",
#         "SequenceNumberRange": {
#           "EndingSequenceNumber": "string",
#           "StartingSequenceNumber": "string"
#         },
#         "ShardId": "string"
#       }
#     ],
#     "StreamARN": "string",
#     "StreamCreationTimestamp": number,
#     "StreamModeDetails": {
#       "StreamMode": "string"
#     },
#     "StreamName": "string",
#     "StreamStatus": "string"
#   }
# }