Allow disabling payload compression (#249)

Author: Ignacio Bonafonte

Sources/Exporters/DatadogExporter/ExporterConfiguration.swift

@@ -22,6 +22,8 @@ public struct ExporterConfiguration {
     var apiKey: String
     /// Endpoint that will be used for reporting.
     var endpoint: Endpoint
+    /// Exporter will deflate payloads before sending
+    var payloadCompression: Bool
 
     var source: String
     /// This conditon will be evaluated before trying to upload data
@@ -38,14 +40,15 @@ public struct ExporterConfiguration {
     /// Option to add a custom prefix to all the metrics sent by the exporter
     var metricsNamePrefix: String?
 
-    public init(serviceName: String, resource: String, applicationName: String, applicationVersion: String, environment: String, apiKey: String, endpoint: Endpoint, source: String = "ios", uploadCondition: @escaping () -> Bool, performancePreset: PerformancePreset = .default, exportUnsampledSpans: Bool = true, exportUnsampledLogs: Bool = true, hostName: String? = nil, metricsNamePrefix: String? = "otel") {
+    public init(serviceName: String, resource: String, applicationName: String, applicationVersion: String, environment: String, apiKey: String, endpoint: Endpoint, payloadCompression: Bool = true, source: String = "ios", uploadCondition: @escaping () -> Bool, performancePreset: PerformancePreset = .default, exportUnsampledSpans: Bool = true, exportUnsampledLogs: Bool = true, hostName: String? = nil, metricsNamePrefix: String? = "otel") {
         self.serviceName = serviceName
         self.resource = resource
         self.applicationName = applicationName
         self.version = applicationVersion
         self.environment = environment
         self.apiKey = apiKey
         self.endpoint = endpoint
+        self.payloadCompression = payloadCompression
         self.source = source
         self.uploadCondition = uploadCondition
         self.performancePreset = performancePreset

Sources/Exporters/DatadogExporter/Logs/LogsExporter.swift

@@ -58,7 +58,6 @@ internal class LogsExporter {
             ],
             headers: [
                 .contentTypeHeader(contentType: .applicationJSON),
-                .contentEncodingHeader(contentEncoding: .deflate),
                 .userAgentHeader(
                     appName: configuration.applicationName,
                     appVersion: configuration.version,
@@ -68,7 +67,8 @@ internal class LogsExporter {
                 .ddEVPOriginHeader(source: configuration.source),
                 .ddEVPOriginVersionHeader(version: configuration.version),
                 .ddRequestIDHeader()
-            ]
+            ] + (configuration.payloadCompression ? [RequestBuilder.HTTPHeader.contentEncodingHeader(contentEncoding: .deflate)] : [])
+
         )
 
         logsUpload = FeatureUpload(featureName: "logsUpload",

Sources/Exporters/DatadogExporter/Spans/SpansExporter.swift

@@ -47,7 +47,6 @@ internal class SpansExporter {
             queryItems: [],
             headers: [
                 .contentTypeHeader(contentType: .textPlainUTF8),
-                .contentEncodingHeader(contentEncoding: .deflate),
                 .userAgentHeader(
                     appName: configuration.applicationName,
                     appVersion: configuration.version,
@@ -57,7 +56,7 @@ internal class SpansExporter {
                 .ddEVPOriginHeader(source: configuration.source),
                 .ddEVPOriginVersionHeader(version: configuration.version),
                 .ddRequestIDHeader(),
-            ]
+            ] + (configuration.payloadCompression ? [RequestBuilder.HTTPHeader.contentEncodingHeader(contentEncoding: .deflate)] : [])
         )
 
         tracesUpload = FeatureUpload(featureName: "tracesUpload",