#include <stdlib.h>
#include <string.h>
-#include <vector>
-
-#include <zlib.h>
-
#include "os.hpp"
#include "trace_writer.hpp"
+#include "trace_file.hpp"
#include "trace_format.hpp"
namespace Trace {
-static gzFile g_gzFile = NULL;
-static void _Close(void) {
- if (g_gzFile != NULL) {
- gzclose(g_gzFile);
- g_gzFile = NULL;
- }
+Writer::Writer() :
+ call_no(0)
+{
+ m_file = new Trace::SnappyFile;
+ close();
}
-static void _Open(const char *szExtension) {
- _Close();
+Writer::~Writer()
+{
+ close();
+ delete m_file;
+ m_file = NULL;
+}
- static unsigned dwCounter = 0;
+void
+Writer::close(void) {
+ m_file->close();
+}
- char szFileName[PATH_MAX];
- const char *lpFileName;
+bool
+Writer::open(const char *filename) {
+ close();
- 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;
- }
+ if (!m_file->open(filename, File::Write)) {
+ return false;
}
- OS::DebugMessage("apitrace: tracing to %s\n", szFileName);
+ call_no = 0;
+ functions.clear();
+ structs.clear();
+ enums.clear();
+ bitmasks.clear();
- g_gzFile = gzopen(szFileName, "wb");
-}
+ _writeUInt(TRACE_VERSION);
-static inline void Write(const void *sBuffer, size_t dwBytesToWrite) {
- if (g_gzFile == NULL)
- return;
+ return true;
+}
- gzwrite(g_gzFile, sBuffer, dwBytesToWrite);
+void inline
+Writer::_write(const void *sBuffer, size_t dwBytesToWrite) {
+ m_file->write(sBuffer, dwBytesToWrite);
}
-static inline void
-WriteByte(char c) {
- Write(&c, 1);
+void inline
+Writer::_writeByte(char c) {
+ _write(&c, 1);
}
-void inline
-WriteUInt(unsigned long long value) {
+void inline
+Writer::_writeUInt(unsigned long long value) {
char buf[2 * sizeof value];
unsigned len;
assert(len);
buf[len - 1] &= 0x7f;
- Write(buf, len);
+ _write(buf, len);
}
-static inline void
-WriteFloat(float value) {
+void inline
+Writer::_writeFloat(float value) {
assert(sizeof value == 4);
- Write((const char *)&value, sizeof value);
+ _write((const char *)&value, sizeof value);
}
-static inline void
-WriteDouble(double value) {
+void inline
+Writer::_writeDouble(double value) {
assert(sizeof value == 8);
- Write((const char *)&value, sizeof value);
+ _write((const char *)&value, sizeof value);
}
-static inline void
-WriteString(const char *str) {
+void inline
+Writer::_writeString(const char *str) {
size_t len = strlen(str);
- WriteUInt(len);
- Write(str, len);
-}
-
-void Open(void) {
- if (!g_gzFile) {
- _Open("trace");
- WriteUInt(TRACE_VERSION);
- }
+ _writeUInt(len);
+ _write(str, len);
}
-static unsigned call_no = 0;
-
inline bool lookup(std::vector<bool> &map, size_t index) {
if (index >= map.size()) {
map.resize(index + 1);
}
}
-static std::vector<bool> functions;
-static std::vector<bool> structs;
-static std::vector<bool> enums;
-static std::vector<bool> bitmasks;
-
-
-void Close(void) {
- _Close();
- call_no = 0;
- functions = std::vector<bool>();
- structs = std::vector<bool>();
- enums = std::vector<bool>();
- bitmasks = std::vector<bool>();
-}
-
-unsigned BeginEnter(const FunctionSig &function) {
- OS::AcquireMutex();
- Open();
- 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]);
+unsigned Writer::beginEnter(const FunctionSig *sig) {
+ _writeByte(Trace::EVENT_ENTER);
+ _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++;
}
-void EndEnter(void) {
- WriteByte(Trace::CALL_END);
- gzflush(g_gzFile, Z_SYNC_FLUSH);
- OS::ReleaseMutex();
+void Writer::endEnter(void) {
+ _writeByte(Trace::CALL_END);
}
-void BeginLeave(unsigned call) {
- OS::AcquireMutex();
- WriteByte(Trace::EVENT_LEAVE);
- WriteUInt(call);
+void Writer::beginLeave(unsigned call) {
+ _writeByte(Trace::EVENT_LEAVE);
+ _writeUInt(call);
}
-void EndLeave(void) {
- WriteByte(Trace::CALL_END);
- gzflush(g_gzFile, Z_SYNC_FLUSH);
- OS::ReleaseMutex();
+void Writer::endLeave(void) {
+ _writeByte(Trace::CALL_END);
}
-void BeginArg(unsigned index) {
- WriteByte(Trace::CALL_ARG);
- WriteUInt(index);
+void Writer::beginArg(unsigned index) {
+ _writeByte(Trace::CALL_ARG);
+ _writeUInt(index);
}
-void BeginReturn(void) {
- WriteByte(Trace::CALL_RET);
+void Writer::beginReturn(void) {
+ _writeByte(Trace::CALL_RET);
}
-void BeginArray(size_t length) {
- WriteByte(Trace::TYPE_ARRAY);
- WriteUInt(length);
+void Writer::beginArray(size_t length) {
+ _writeByte(Trace::TYPE_ARRAY);
+ _writeUInt(length);
}
-void BeginStruct(const StructSig *sig) {
- WriteByte(Trace::TYPE_STRUCT);
- WriteUInt(sig->id);
+void Writer::beginStruct(const StructSig *sig) {
+ _writeByte(Trace::TYPE_STRUCT);
+ _writeUInt(sig->id);
if (!lookup(structs, sig->id)) {
- WriteString(sig->name);
- WriteUInt(sig->num_members);
+ _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;
}
}
-void LiteralBool(bool value) {
- WriteByte(value ? Trace::TYPE_TRUE : Trace::TYPE_FALSE);
+void Writer::writeBool(bool value) {
+ _writeByte(value ? Trace::TYPE_TRUE : Trace::TYPE_FALSE);
}
-void LiteralSInt(signed long long value) {
+void Writer::writeSInt(signed long long value) {
if (value < 0) {
- WriteByte(Trace::TYPE_SINT);
- WriteUInt(-value);
+ _writeByte(Trace::TYPE_SINT);
+ _writeUInt(-value);
} else {
- WriteByte(Trace::TYPE_UINT);
- WriteUInt(value);
+ _writeByte(Trace::TYPE_UINT);
+ _writeUInt(value);
}
}
-void LiteralUInt(unsigned long long value) {
- WriteByte(Trace::TYPE_UINT);
- WriteUInt(value);
+void Writer::writeUInt(unsigned long long value) {
+ _writeByte(Trace::TYPE_UINT);
+ _writeUInt(value);
}
-void LiteralFloat(float value) {
- WriteByte(Trace::TYPE_FLOAT);
- WriteFloat(value);
+void Writer::writeFloat(float value) {
+ _writeByte(Trace::TYPE_FLOAT);
+ _writeFloat(value);
}
-void LiteralDouble(double value) {
- WriteByte(Trace::TYPE_DOUBLE);
- WriteDouble(value);
+void Writer::writeDouble(double value) {
+ _writeByte(Trace::TYPE_DOUBLE);
+ _writeDouble(value);
}
-void LiteralString(const char *str) {
+void Writer::writeString(const char *str) {
if (!str) {
- LiteralNull();
+ Writer::writeNull();
return;
}
- WriteByte(Trace::TYPE_STRING);
- WriteString(str);
+ _writeByte(Trace::TYPE_STRING);
+ _writeString(str);
}
-void LiteralString(const char *str, size_t len) {
+void Writer::writeString(const char *str, size_t len) {
if (!str) {
- LiteralNull();
+ Writer::writeNull();
return;
}
- WriteByte(Trace::TYPE_STRING);
- WriteUInt(len);
- Write(str, len);
+ _writeByte(Trace::TYPE_STRING);
+ _writeUInt(len);
+ _write(str, len);
}
-void LiteralWString(const wchar_t *str) {
+void Writer::writeWString(const wchar_t *str) {
if (!str) {
- LiteralNull();
+ Writer::writeNull();
return;
}
- WriteByte(Trace::TYPE_STRING);
- WriteString("<wide-string>");
+ _writeByte(Trace::TYPE_STRING);
+ _writeString("<wide-string>");
}
-void LiteralBlob(const void *data, size_t size) {
+void Writer::writeBlob(const void *data, size_t size) {
if (!data) {
- LiteralNull();
+ Writer::writeNull();
return;
}
- WriteByte(Trace::TYPE_BLOB);
- WriteUInt(size);
+ _writeByte(Trace::TYPE_BLOB);
+ _writeUInt(size);
if (size) {
- Write(data, size);
+ _write(data, size);
}
}
-void LiteralEnum(const EnumSig *sig) {
- WriteByte(Trace::TYPE_ENUM);
- WriteUInt(sig->id);
+void Writer::writeEnum(const EnumSig *sig) {
+ _writeByte(Trace::TYPE_ENUM);
+ _writeUInt(sig->id);
if (!lookup(enums, sig->id)) {
- WriteString(sig->name);
- LiteralSInt(sig->value);
+ _writeString(sig->name);
+ Writer::writeSInt(sig->value);
enums[sig->id] = true;
}
}
-void LiteralBitmask(const BitmaskSig &bitmask, 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);
+void Writer::writeBitmask(const BitmaskSig *sig, unsigned long long value) {
+ _writeByte(Trace::TYPE_BITMASK);
+ _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);
+ _writeUInt(value);
}
-void LiteralNull(void) {
- WriteByte(Trace::TYPE_NULL);
+void Writer::writeNull(void) {
+ _writeByte(Trace::TYPE_NULL);
}
-void LiteralOpaque(const void *addr) {
+void Writer::writeOpaque(const void *addr) {
if (!addr) {
- LiteralNull();
+ Writer::writeNull();
return;
}
- WriteByte(Trace::TYPE_OPAQUE);
- WriteUInt((size_t)addr);
+ _writeByte(Trace::TYPE_OPAQUE);
+ _writeUInt((size_t)addr);
}
-void Abort(void) {
- Close();
- OS::Abort();
-}
} /* namespace Trace */
-
-#ifdef _WIN32
-
-#if 0
-BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
- switch(fdwReason) {
- case DLL_PROCESS_ATTACH:
- case DLL_THREAD_ATTACH:
- return TRUE;
- case DLL_THREAD_DETACH:
- return TRUE;
- case DLL_PROCESS_DETACH:
- Trace::Close();
- return TRUE;
- }
- (void)hinstDLL;
- (void)lpvReserved;
- return TRUE;
-}
-#endif
-
-#else
-
-static void _uninit(void) __attribute__((destructor));
-static void _uninit(void) {
- Trace::Close();
-}
-
-#endif
projects / apitrace / blobdiff