Changeset 17:2b7d9b08ce3f in xplra for src

Timestamp:

01/31/13 16:56:18 (12 years ago)

Author:

István Váradi <ivaradi@…>

Branch:

default

Phase:

public

Message:

Setting of scalar values works

Location:

src/client/c/hu/varadiistvan/xplra

Files:

• XPlane.cc (modified) (3 diffs)
• XPlane.h (modified) (3 diffs)

src/client/c/hu/varadiistvan/xplra/XPlane.cc

@@ -90 +90 @@
 
 //------------------------------------------------------------------------------
+
+inline void XPlane::checkResult() throw(ProtocolException)
+{
+    uint8_t result = stream->readU8();
+    checkStream();
+    checkResult(result);
+}
+
+//------------------------------------------------------------------------------
 //------------------------------------------------------------------------------
 
@@ -142 +151 @@
     if (!stream->flush()) checkStream();
 
-    uint8_t result = stream->readU8();
-    checkStream();
-    checkResult(result);
+    checkResult();
 }
 
@@ -285 +292 @@
 //------------------------------------------------------------------------------
 
+void XPlane::setScalar(const char* name, uint8_t type) throw(Exception)
+{
+    stream->writeU8(Protocol::COMMAND_SET_SINGLE);
+    stream->writeString(name, strlen(name));
+    stream->writeU8(type);
+}
+
+//------------------------------------------------------------------------------
+
+void XPlane::setInt(const char* name, int value) throw(Exception)
+{
+    setScalar(name, Protocol::TYPE_INT);
+    stream->writeS32(value);
+    stream->flush();
+    checkResult();
+}
+
+//------------------------------------------------------------------------------
+
+void XPlane::setFloat(const char* name, float value) throw(Exception)
+{
+    setScalar(name, Protocol::TYPE_FLOAT);
+    stream->writeFloat(value);
+    stream->flush();
+    checkResult();
+}
+
+//------------------------------------------------------------------------------
+
+void XPlane::setDouble(const char* name, double value) throw(Exception)
+{
+    setScalar(name, Protocol::TYPE_DOUBLE);
+    stream->writeDouble(value);
+    stream->flush();
+    checkResult();
+}
+
+//------------------------------------------------------------------------------
+
 // Local Variables:
 // mode: C++

src/client/c/hu/varadiistvan/xplra/XPlane.h

@@ -183 +183 @@
     std::string getString(const char* name, size_t offset = 0) throw(Exception);
 
+    /**
+     * Set the given dataref to the given integer value.
+     */
+    void setInt(const char* name, int value) throw(Exception);
+
+    /**
+     * Set the given dataref to the given float value.
+     */
+    void setFloat(const char* name, float value) throw(Exception);
+
+    /**
+     * Set the given dataref to the given double value.
+     */
+    void setDouble(const char* name, double value) throw(Exception);
+
 private:
     /**
@@ -194 +209 @@
      */
     void checkResult(uint8_t result) throw(ProtocolException);
+
+    /**
+     * Read and check the result.  If it signifies an error,
+     * throw a ProtocolException with the correct error code.
+     */
+    void checkResult() throw(ProtocolException);
 
     /**
@@ -211 +232 @@
                     ssize_t length, size_t offset) throw(Exception);
 
+
+    /**
+     * Issue the command to set a scalar value of the given type.
+     */
+    void setScalar(const char* name, uint8_t type) throw(Exception);
 };