2 files changed, 28 insertions, 0 deletions
diff --git a/ios/MullvadRustRuntime/MullvadApiResponse.swift b/ios/MullvadRustRuntime/MullvadApiResponse.swift
index 7836d43971..ddead026b3 100644
--- a/ios/MullvadRustRuntime/MullvadApiResponse.swift
+++ b/ios/MullvadRustRuntime/MullvadApiResponse.swift
@@ -25,6 +25,14 @@ public class MullvadApiResponse {
         return Data(UnsafeBufferPointer(start: body, count: Int(response.body_size)))
     }
 
+    public var etag: String? {
+        return if response.etag == nil {
+            nil
+        } else {
+            String(cString: response.etag)
+        }
+    }
+
     public var errorDescription: String? {
         return if response.error_description == nil {
             nil
diff --git a/ios/MullvadRustRuntime/include/mullvad_rust_runtime.h b/ios/MullvadRustRuntime/include/mullvad_rust_runtime.h
index e054de0044..8a199559b5 100644
--- a/ios/MullvadRustRuntime/include/mullvad_rust_runtime.h
+++ b/ios/MullvadRustRuntime/include/mullvad_rust_runtime.h
@@ -43,6 +43,7 @@ typedef struct SwiftRetryStrategy {
 typedef struct SwiftMullvadApiResponse {
   uint8_t *body;
   uintptr_t body_size;
+  uint8_t *etag;
   uint16_t status_code;
   uint8_t *error_description;
   uint8_t *server_response_code;
@@ -114,6 +115,25 @@ struct SwiftCancelHandle mullvad_api_get_addresses(struct SwiftApiContext api_co
                                                    struct SwiftRetryStrategy retry_strategy);
 
 /**
+ * # Safety
+ *
+ * `api_context` must be pointing to a valid instance of `SwiftApiContext`. A `SwiftApiContext` is created
+ * by calling `mullvad_api_init_new`.
+ *
+ * `completion_cookie` must be pointing to a valid instance of `CompletionCookie`. `CompletionCookie` is
+ * safe because the pointer in `MullvadApiCompletion` is valid for the lifetime of the process where this
+ * type is intended to be used.
+ *
+ * `etag` must be a pointer to a null terminated string.
+ *
+ * This function is not safe to call multiple times with the same `CompletionCookie`.
+ */
+struct SwiftCancelHandle mullvad_api_get_relays(struct SwiftApiContext api_context,
+                                                void *completion_cookie,
+                                                struct SwiftRetryStrategy retry_strategy,
+                                                const uint8_t *etag);
+
+/**
  * Called by the Swift side to signal that a Mullvad API call should be cancelled.
  * After this call, the cancel token is no longer valid.
  *