Move retracers to their own directory.

[apitrace] / retrace / retrace.cpp

diff --git a/retrace/retrace.cpp b/retrace/retrace.cpp
new file mode 100644 (file)
index 0000000..1630995
--- /dev/null
+++ b/retrace/retrace.cpp
@@ -0,0 +1,139 @@
+/**************************************************************************
+ *
+ * Copyright 2011 Jose Fonseca
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include <string.h>
+#include <iostream>
+
+#include "os_time.hpp"
+#include "trace_dump.hpp"
+#include "retrace.hpp"
+
+
+namespace retrace {
+
+
+trace::Parser parser;
+
+
+int verbosity = 0;
+bool profiling = false;
+
+
+static bool call_dumped = false;
+
+
+static void dumpCall(trace::Call &call) {
+    if (verbosity >= 0 && !call_dumped) {
+        std::cout << call;
+        std::cout.flush();
+        call_dumped = true;
+    }
+}
+
+
+std::ostream &warning(trace::Call &call) {
+    dumpCall(call);
+
+    std::cerr << call.no << ": ";
+    std::cerr << "warning: ";
+
+    return std::cerr;
+}
+
+
+void ignore(trace::Call &call) {
+    (void)call;
+}
+
+void unsupported(trace::Call &call) {
+    warning(call) << "unsupported " << call.name() << " call\n";
+}
+
+inline void Retracer::addCallback(const Entry *entry) {
+    assert(entry->name);
+    assert(entry->callback);
+    map[entry->name] = entry->callback;
+}
+
+
+void Retracer::addCallbacks(const Entry *entries) {
+    while (entries->name && entries->callback) {
+        addCallback(entries++);
+    }
+}
+
+
+void Retracer::retrace(trace::Call &call) {
+    call_dumped = false;
+
+    if (verbosity >= 1) {
+        if (verbosity >= 2 ||
+            !(call.flags & trace::CALL_FLAG_VERBOSE)) {
+            dumpCall(call);
+        }
+    }
+
+    Callback callback = 0;
+
+    trace::Id id = call.sig->id;
+    if (id >= callbacks.size()) {
+        callbacks.resize(id + 1);
+        callback = 0;
+    } else {
+        callback = callbacks[id];
+    }
+
+    if (!callback) {
+        Map::const_iterator it = map.find(call.name());
+        if (it == map.end()) {
+            callback = &unsupported;
+        } else {
+            callback = it->second;
+        }
+        callbacks[id] = callback;
+    }
+
+    assert(callback);
+    assert(callbacks[id] == callback);
+
+    if (retrace::profiling) {
+        long long startTime = os::getTime();
+        callback(call);
+        long long stopTime = os::getTime();
+        float timeInterval = (stopTime - startTime) * (1.0E6 / os::timeFrequency);
+
+        std::cout
+            << call.no << " "
+            << "[" << timeInterval << " usec] "
+        ;
+        trace::dump(call, std::cout, trace::DUMP_FLAG_NO_CALL_NO | trace::DUMP_FLAG_NO_COLOR);
+    } else {
+        callback(call);
+    }
+}
+
+
+} /* namespace retrace */