Export SnappyFile class to its own file.

[apitrace] / trace_writer.cpp

diff --git a/trace_writer.cpp b/trace_writer.cpp
index 18261f58f6c5c87cc009a0c3cf601e666f623c31..5a5f1f7d2400b13784fd9dedcc7421593c1e304f 100644 (file)
--- a/trace_writer.cpp
+++ b/trace_writer.cpp
@@ -30,10 +30,9 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include <zlib.h>
-
 #include "os.hpp"
 #include "trace_writer.hpp"
+#include "trace_snappyfile.hpp"
 #include "trace_format.hpp"
 
 
@@ -41,92 +40,46 @@ namespace Trace {
 
 
 Writer::Writer() :
-    g_gzFile(NULL),
     call_no(0)
 {
+    m_file = new Trace::SnappyFile;
     close();
-};
+}
 
-Writer::~Writer() {
+Writer::~Writer()
+{
     close();
-};
+    delete m_file;
+    m_file = NULL;
+}
 
 void
 Writer::close(void) {
-    if (g_gzFile != NULL) {
-        gzclose(g_gzFile);
-        g_gzFile = NULL;
-    }
+    m_file->close();
 }
 
 bool
 Writer::open(const char *filename) {
     close();
 
-    g_gzFile = gzopen(filename, "wb");
-    if (!g_gzFile) {
+    if (!m_file->open(filename, File::Write)) {
         return false;
     }
 
     call_no = 0;
-    functions = std::vector<bool>();
-    structs = std::vector<bool>();
-    enums = std::vector<bool>();
-    bitmasks = std::vector<bool>();
+    functions.clear();
+    structs.clear();
+    enums.clear();
+    bitmasks.clear();
 
     _writeUInt(TRACE_VERSION);
 
     return true;
 }
 
-void
-Writer::open(void) {
-
-    static unsigned dwCounter = 0;
-
-    const char *szExtension = "trace";
-    char szFileName[PATH_MAX];
-    const char *lpFileName;
-
-    lpFileName = getenv("TRACE_FILE");
-    if (lpFileName) {
-        strncpy(szFileName, lpFileName, PATH_MAX);
-    }
-    else {
-        char szProcessName[PATH_MAX];
-        char szCurrentDir[PATH_MAX];
-        OS::GetProcessName(szProcessName, PATH_MAX);
-        OS::GetCurrentDir(szCurrentDir, PATH_MAX);
-
-        for (;;) {
-            FILE *file;
-
-            if (dwCounter)
-                snprintf(szFileName, PATH_MAX, "%s%c%s.%u.%s", szCurrentDir, PATH_SEP, szProcessName, dwCounter, szExtension);
-            else
-                snprintf(szFileName, PATH_MAX, "%s%c%s.%s", szCurrentDir, PATH_SEP, szProcessName, szExtension);
-
-            file = fopen(szFileName, "rb");
-            if (file == NULL)
-                break;
-
-            fclose(file);
-
-            ++dwCounter;
-        }
-    }
-
-    OS::DebugMessage("apitrace: tracing to %s\n", szFileName);
-
-    open(szFileName);
-}
-
 void inline
 Writer::_write(const void *sBuffer, size_t dwBytesToWrite) {
-    if (g_gzFile == NULL)
-        return;
-
-    gzwrite(g_gzFile, sBuffer, dwBytesToWrite);
+    m_file->write(sBuffer, dwBytesToWrite);
 }
 
 void inline
@@ -181,22 +134,16 @@ inline bool lookup(std::vector<bool> &map, size_t index) {
     }
 }
 
-unsigned Writer::beginEnter(const FunctionSig &function) {
-    OS::AcquireMutex();
-
-    if (!g_gzFile) {
-        open();
-    }
-
+unsigned Writer::beginEnter(const FunctionSig *sig) {
     _writeByte(Trace::EVENT_ENTER);
-    _writeUInt(function.id);
-    if (!lookup(functions, function.id)) {
-        _writeString(function.name);
-        _writeUInt(function.num_args);
-        for (unsigned i = 0; i < function.num_args; ++i) {
-            _writeString(function.args[i]);
+    _writeUInt(sig->id);
+    if (!lookup(functions, sig->id)) {
+        _writeString(sig->name);
+        _writeUInt(sig->num_args);
+        for (unsigned i = 0; i < sig->num_args; ++i) {
+            _writeString(sig->arg_names[i]);
         }
-        functions[function.id] = true;
+        functions[sig->id] = true;
     }
 
     return call_no++;
@@ -204,20 +151,15 @@ unsigned Writer::beginEnter(const FunctionSig &function) {
 
 void Writer::endEnter(void) {
     _writeByte(Trace::CALL_END);
-    gzflush(g_gzFile, Z_SYNC_FLUSH);
-    OS::ReleaseMutex();
 }
 
 void Writer::beginLeave(unsigned call) {
-    OS::AcquireMutex();
     _writeByte(Trace::EVENT_LEAVE);
     _writeUInt(call);
 }
 
 void Writer::endLeave(void) {
     _writeByte(Trace::CALL_END);
-    gzflush(g_gzFile, Z_SYNC_FLUSH);
-    OS::ReleaseMutex();
 }
 
 void Writer::beginArg(unsigned index) {
@@ -241,7 +183,7 @@ void Writer::beginStruct(const StructSig *sig) {
         _writeString(sig->name);
         _writeUInt(sig->num_members);
         for (unsigned i = 0; i < sig->num_members; ++i) {
-            _writeString(sig->members[i]);
+            _writeString(sig->member_names[i]);
         }
         structs[sig->id] = true;
     }
@@ -326,19 +268,19 @@ void Writer::writeEnum(const EnumSig *sig) {
     }
 }
 
-void Writer::writeBitmask(const BitmaskSig &bitmask, unsigned long long value) {
+void Writer::writeBitmask(const BitmaskSig *sig, unsigned long long value) {
     _writeByte(Trace::TYPE_BITMASK);
-    _writeUInt(bitmask.id);
-    if (!lookup(bitmasks, bitmask.id)) {
-        _writeUInt(bitmask.count);
-        for (unsigned i = 0; i < bitmask.count; ++i) {
-            if (i != 0 && bitmask.values[i].value == 0) {
-                OS::DebugMessage("apitrace: bitmask %s is zero but is not first flag\n", bitmask.values[i].name);
+    _writeUInt(sig->id);
+    if (!lookup(bitmasks, sig->id)) {
+        _writeUInt(sig->num_flags);
+        for (unsigned i = 0; i < sig->num_flags; ++i) {
+            if (i != 0 && sig->flags[i].value == 0) {
+                OS::DebugMessage("apitrace: warning: sig %s is zero but is not first flag\n", sig->flags[i].name);
             }
-            _writeString(bitmask.values[i].name);
-            _writeUInt(bitmask.values[i].value);
+            _writeString(sig->flags[i].name);
+            _writeUInt(sig->flags[i].value);
         }
-        bitmasks[bitmask.id] = true;
+        bitmasks[sig->id] = true;
     }
     _writeUInt(value);
 }
@@ -356,5 +298,6 @@ void Writer::writeOpaque(const void *addr) {
     _writeUInt((size_t)addr);
 }
 
+
 } /* namespace Trace */