aqhome: add requests functions.

aqhome/ipc/0BUILD

@@ -50,6 +50,7 @@
       msg_ipc_qwords.h
       msg_ipc_result.h
       msg_ipc_tag16.h
+      requests.h
     </headers>
 
 
@@ -67,6 +68,7 @@
       msg_ipc_qwords.c
       msg_ipc_result.c
       msg_ipc_tag16.c
+      requests.c
     </sources>
 
 

aqhome/ipc/requests.c

@@ -0,0 +1,141 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2024 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+
+#include "./requests.h"
+
+#include <gwenhywfar/debug.h>
+
+
+
+/* ------------------------------------------------------------------------------------------------
+ * forward declarations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+static void _freeFinishedRequests(GWEN_MSG_REQUEST *rq);
+
+
+
+
+void AQH_Requests_CheckTimeouts(GWEN_MSG_REQUEST *requestTreeRoot)
+{
+  if (requestTreeRoot) {
+    GWEN_MSG_REQUEST *rq;
+    GWEN_TIMESTAMP *now;
+
+    now=GWEN_Timestamp_NowInLocalTime();
+    rq=GWEN_MsgRequest_Tree2_GetFirstChild(requestTreeRoot);
+    while(rq) {
+      const GWEN_TIMESTAMP *ts;
+
+      ts=GWEN_MsgRequest_GetExpiresAt(rq);
+      if (GWEN_Timestamp_Compare(now, ts)>=0) {
+        /* timeout */
+        DBG_INFO(NULL, "Request timed out, aborting");
+        GWEN_MsgRequest_Abort(rq);
+      }
+      rq=GWEN_MsgRequest_Tree2_GetBelow(rq);
+    }
+    GWEN_Timestamp_free(now);
+  }
+}
+
+
+
+void AQH_Requests_Cleanup(GWEN_MSG_REQUEST *requestTreeRoot)
+{
+  if (requestTreeRoot) {
+    GWEN_MSG_REQUEST *rq;
+  
+    rq=GWEN_MsgRequest_Tree2_GetFirstChild(requestTreeRoot);
+    while(rq) {
+      GWEN_MSG_REQUEST *nextSubRq;
+  
+      nextSubRq=GWEN_MsgRequest_Tree2_GetNext(rq);
+      _freeFinishedRequests(rq);
+      rq=nextSubRq;
+    }
+  }
+}
+
+
+
+int AQH_Requests_HandleIpcMsg(GWEN_MSG_REQUEST *requestTreeRoot, GWEN_MSG_ENDPOINT *srcEp, GWEN_MSG *recvdMsg)
+{
+  if (requestTreeRoot) {
+    uint32_t refMsgId;
+
+    refMsgId=GWEN_IpcMsg_GetRefMsgId(recvdMsg);
+    if (refMsgId) {
+      GWEN_MSG_REQUEST *rq;
+
+      rq=GWEN_MsgRequest_Tree2_GetFirstChild(requestTreeRoot);
+      while(rq) {
+        if (srcEp==GWEN_MsgRequest_GetEndpoint(rq) && refMsgId==GWEN_MsgRequest_GetRequestMsgId(rq)) {
+          if (GWEN_MsgRequest_HandleResponse(rq, recvdMsg)==GWEN_MSG_REQUEST_RESULT_HANDLED)
+            return GWEN_MSG_REQUEST_RESULT_HANDLED;
+        }
+
+        rq=GWEN_MsgRequest_Tree2_GetBelow(rq);
+      }
+    }
+    else {
+      DBG_INFO(NULL, "Message has no reference msg id, not a response");
+    }
+  }
+  return GWEN_MSG_REQUEST_RESULT_NOT_HANDLED;
+}
+
+
+
+int AQH_Requests_HandleTtyMsg(GWEN_MSG_REQUEST *requestTreeRoot, GWEN_MSG_ENDPOINT *srcEp, GWEN_MSG *recvdMsg)
+{
+  if (requestTreeRoot) {
+    GWEN_MSG_REQUEST *rq;
+  
+    rq=GWEN_MsgRequest_Tree2_GetFirstChild(requestTreeRoot);
+    while(rq) {
+      if (srcEp==GWEN_MsgRequest_GetEndpoint(rq)) {
+        if (GWEN_MsgRequest_HandleResponse(rq, recvdMsg)==GWEN_MSG_REQUEST_RESULT_HANDLED)
+          return GWEN_MSG_REQUEST_RESULT_HANDLED;
+      }
+
+      rq=GWEN_MsgRequest_Tree2_GetBelow(rq);
+    }
+  }
+  return GWEN_MSG_REQUEST_RESULT_NOT_HANDLED;
+}
+
+
+
+void _freeFinishedRequests(GWEN_MSG_REQUEST *rq)
+{
+  GWEN_MSG_REQUEST *subRq;
+
+  subRq=GWEN_MsgRequest_Tree2_GetFirstChild(rq);
+  while(subRq) {
+    GWEN_MSG_REQUEST *nextSubRq;
+
+    nextSubRq=GWEN_MsgRequest_Tree2_GetNext(subRq);
+    _freeFinishedRequests(subRq);
+    subRq=nextSubRq;
+  }
+
+  if (GWEN_MsgRequest_GetState(rq)==GWEN_MSG_REQUEST_STATE_DONE) {
+    DBG_ERROR(NULL, "Deleting request");
+    GWEN_MsgRequest_free(rq);
+  }
+}
+
+
+

aqhome/ipc/requests.h

@@ -0,0 +1,30 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2024 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQHOME_REQUESTS_H
+#define AQHOME_REQUESTS_H
+
+
+#include <aqhome/api.h>
+
+#include <gwenhywfar/request.h>
+
+
+
+AQHOME_API void AQH_Requests_CheckTimeouts(GWEN_MSG_REQUEST *requestTreeRoot);
+AQHOME_API void AQH_Requests_Cleanup(GWEN_MSG_REQUEST *requestTreeRoot);
+
+AQHOME_API int AQH_Requests_HandleIpcMsg(GWEN_MSG_REQUEST *requestTreeRoot, GWEN_MSG_ENDPOINT *srcEp, GWEN_MSG *recvdMsg);
+AQHOME_API int AQH_Requests_HandleTtyMsg(GWEN_MSG_REQUEST *requestTreeRoot, GWEN_MSG_ENDPOINT *srcEp, GWEN_MSG *recvdMsg);
+
+
+
+
+#endif
+
+