Initial commit

2017-09-19 08:27:10 +02:00
commit 3b2e49f7b7
138 changed files with 199299 additions and 0 deletions
--- a/src/connectCallbacks.cpp
+++ b/src/connectCallbacks.cpp
@@ -0,0 +1,98 @@
+///
+/// \file    connectCallbacks.cc
+/// \author  Jan Chrin, PSI
+/// \date    Release: February 2015
+/// \version CAFE 1.0.0
+///
+
+#include "connect.h"
+#include "conduitFriends.h"
+
+extern cafeConduit_set cs;
+extern bool MUTEX;
+extern epicsMutex cafeMutex;
+
+/**
+ *  Callback function for callbackHandlerAccessRights \n
+ *  Modifies Conduit object accordingly \n
+ *  Callback handler for the event of a change of R/W access rights \n
+ *  R3.14 documentation states that the callback handler is called \n
+ *  - whenever CA connects the channel, immediately BEFORE the channel's
+ *  connection handler is called \n
+ *  - whenever CA disconnects the channel, immediately AFTER the channel's
+ *  disconnect callback handler is called \n
+ *  - once immediately after installation if the channel is connected \n
+ *  - whenever the access rights of a connected channel changes \n
+ *   \param args output: access_rights_handler_args parameters \n
+ */
+void Connect::callbackHandlerAccessRights(struct access_rights_handler_args args) {
+#define __METHOD__ "Connect::callbackHandlerAccessRights"
+
+    //Note: At first connection the no of elements is unknown!
+    //Therefore we cannot allocate memory for data buffers here!
+    //cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
+
+    unsigned int  _handle = (unsigned long) ca_puser(args.chid);
+
+    cafeConduit_set_by_handle & handle_index = cs.get<by_handle> ();
+    cafeConduit_set_by_handle::iterator it_handle;
+
+    it_handle = handle_index.find((unsigned int) _handle);
+
+    if (it_handle != handle_index.end()) {
+        if(MUTEX){cafeMutex.lock();}
+        handle_index.modify(it_handle, change_accessRightsHandlerArgs(args));
+        if(MUTEX){cafeMutex.unlock();}
+    }
+
+    return;
+#undef __METHOD__
+}
+
+
+
+/**
+ *   Callback function for callbackHandlerException
+ *   Modifies CAFEConduit object accordingly
+ *   \param args output: exception_handler_args parameters \n
+ *
+ */
+void Connect::callbackHandlerException(struct exception_handler_args args) {
+#define __METHOD__ "Connect::callbackHandlerException"
+
+   // This routine is called on disconnect before the connection handler
+   // cout << "-------------------------------------------------------------" << endl;
+   // cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
+   // cout << "Warning: Virtual circuit disconnect" << endl;
+   // cout << "Exception Handler Args has status = " << args.stat << endl;
+
+    unsigned int  _handle=0;
+
+    char buf[512];
+    char pName[PVNAME_SIZE];
+
+
+    if (args.chid) {
+        strcpy(pName , ca_name(args.chid));
+        _handle = (unsigned long) ca_puser(args.chid);
+        sprintf(buf,
+         "%s with request handle=%d, channel=%s, op=%ld, datatype=%s, count=%ld. %s",
+         args.ctx, (unsigned int) _handle, pName, args.op, dbr_type_to_text (args.type), args.count,
+         "Possibly an IOC has been switched off or is rebooting.");
+
+    }
+    // This case is more usual(!)
+    else {
+        strcpy(pName , "unknown");
+        sprintf(buf,
+        "%s with channel=%s, op=%ld, datatype=%s, count=%ld. %s",
+         args.ctx, pName, args.op, dbr_type_to_text (args.type), args.count,
+         "Possibly an IOC has been switched off or is rebooting.\n");
+    }
+
+    ca_signal (args.stat, buf);
+
+    return;
+#undef __METHOD__
+}
+