From a50aacc2b61d451cf6dad329eb1a8b0af679aa7b Mon Sep 17 00:00:00 2001
From: Andreas Fankhauser hiddenalpha.ch
Date: Wed, 15 Oct 2025 23:57:33 +0200
Subject: HttpClient thinker.

---
 include/qntan/Qntan.h | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'include/qntan')

diff --git a/include/qntan/Qntan.h b/include/qntan/Qntan.h
index 9cc79a3..9772de4 100644
--- a/include/qntan/Qntan.h
+++ b/include/qntan/Qntan.h
@@ -965,7 +965,7 @@ struct Qntan_XmlDec_Mentor {
 /*
  * WARN: HTTP IS EXPERMIMENTAL! DO NOT TRUST ANYTHING HERE!
  */
-struct Qntan_HttpClient_Req_Opts {
+struct Qntan_HttpClient_Exchg_Opts {
 	/*
 	 * Eg: 'GET', 'POST', ... */
 	char *mthd;
@@ -1001,18 +1001,27 @@ struct Qntan_HttpClient_Req_Opts {
 	/**/
 };
 
-struct Qntan_HttpClient_Req {
+struct Qntan_HttpClient_Exchg {
 	/*
+	 * Write another request body chunk.
 	 * @param flgs
 	 *      'flgs & 4' means this is the last buffer (aka EndOfMsg). */
 	void (*write)( struct Qntan_HttpClient**, req, void*buf, int len, int flgs,
 		void(*onDone)(int,Qntan_Cls), Qntan_Cls );
+	/*
+	 * Set backpressure. This means that callbacks won't be called anymore.
+	 * Events will be held back until resumed. */
+	void (*pause)( struct Qntan_HttpClient**, );
+	/*
+	 * Reset backpressure. */
+	void (*resume)( struct Qntan_HttpClient**, );
+	/**/
 };
 
 struct Qntan_HttpClient {
 	/**/
-	void (*httpReq)( struct Qntan_HttpClient**, struct Qntan_HttpClient_Req_Opts*,
-		void(*onDone)(int,struct Qntan_HttpClient_Req**,Qntan_Cls), Qntan_Cls );
+	void (*httpReq)( struct Qntan_HttpClient**, struct Qntan_HttpClient_Exchg_Opts*,
+		void(*onDone)(int,struct Qntan_HttpClient_Exchg**,Qntan_Cls), Qntan_Cls );
 	/**/
 };
 
-- 
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