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git-svn-id: svn://db.shs.com.ru/pip@471 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

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Бычков Андрей
2017-04-26 13:55:05 +00:00
parent ed059005f9
commit 9c3a2cf8ca
15 changed files with 373 additions and 202 deletions
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29
src_main/io/pisharedmemory.cpp
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@@ -54,7 +54,7 @@
*
*/
//REGISTER_DEVICE(PISharedMemory);
REGISTER_DEVICE(PISharedMemory)
PRIVATE_DEFINITION_START(PISharedMemory)
PIByteArray name;
@@ -71,7 +71,7 @@ PRIVATE_DEFINITION_END(PISharedMemory)
PISharedMemory::PISharedMemory(): PIIODevice() {
initPrivate();
dsize = -1;
dsize = 65536;
}
@@ -93,6 +93,7 @@ PISharedMemory::PISharedMemory(const PISharedMemory & other) {
bool PISharedMemory::openDevice() {
close();
piCoutObj << "try open" << path() << dsize;
#ifdef WINDOWS
DWORD m = PAGE_READWRITE;
if (!isWriteable()) m = PAGE_READONLY;
@@ -100,14 +101,14 @@ bool PISharedMemory::openDevice() {
PRIVATE->name.push_back(0);
PRIVATE->map = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, m, 0, (DWORD)dsize, (const char *)PRIVATE->name.data());
if (!PRIVATE->map) {
piCoutObj << "CreateFileMapping error," << errorString();
piCoutObj << path() << dsize << "CreateFileMapping error," << errorString();
return false;
}
if (!isWriteable()) m = FILE_MAP_READ;
else m = FILE_MAP_ALL_ACCESS;
PRIVATE->data = MapViewOfFile(PRIVATE->map, m, 0, 0, dsize);
if (!PRIVATE->data) {
piCoutObj << "MapViewOfFile error," << errorString();
piCoutObj << path() << dsize << "MapViewOfFile error," << errorString();
CloseHandle(PRIVATE->map);
return false;
}
@@ -166,6 +167,26 @@ bool PISharedMemory::closeDevice() {
}
PIString PISharedMemory::constructFullPathDevice() const {
PIString ret;
ret << path() << ":" << dsize;
return ret;
}
void PISharedMemory::configureFromFullPathDevice(const PIString & full_path) {
initPrivate();
PIStringList pl = full_path.split(":");
for (int i = 0; i < pl.size_s(); ++i) {
PIString p(pl[i]);
switch (i) {
case 0: setPath(p); break;
case 1: dsize = p.toInt(); break;
}
}
}
void PISharedMemory::initPrivate() {
#ifdef WINDOWS
PRIVATE->map = 0;