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Fix Result of processed Request was written to invalid (non existent) ResultQueue if requesting thread timed out before

This commit is contained in:
sapier 2013-11-14 18:30:43 +01:00 committed by kwolekr
parent eadc943159
commit b2d9205796
3 changed files with 92 additions and 86 deletions
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21
src/itemdef.cpp
View File

@ -477,21 +477,24 @@ public:
else
{
// We're gonna ask the result to be put into here
ResultQueue<std::string, ClientCached*, u8, u8> result_queue;
static ResultQueue<std::string, ClientCached*, u8, u8> result_queue;
// Throw a request in
m_get_clientcached_queue.add(name, 0, 0, &result_queue);
try{
// Wait result for a second
GetResult<std::string, ClientCached*, u8, u8>
while(true) {
// Wait result for a second
GetResult<std::string, ClientCached*, u8, u8>
result = result_queue.pop_front(1000);
// Check that at least something worked OK
assert(result.key == name);
// Return it
return result.item;
if (result.key == name) {
return result.item;
}
}
}
catch(ItemNotFoundException &e)
{
errorstream<<"Waiting for clientcached timed out."<<std::endl;
errorstream<<"Waiting for clientcached " << name << " timed out."<<std::endl;
return &m_dummy_clientcached;
}
}
@ -560,7 +563,7 @@ public:
// Ensure that the "" item (the hand) always has ToolCapabilities
if(def.name == "")
assert(def.tool_capabilities != NULL);
if(m_item_definitions.count(def.name) == 0)
m_item_definitions[def.name] = new ItemDefinition(def);
else

30
src/shader.cpp
View File

@ -417,29 +417,31 @@ u32 ShaderSource::getShaderId(const std::string &name)
if(get_current_thread_id() == m_main_thread){
return getShaderIdDirect(name);
} else {
infostream<<"getShaderId(): Queued: name=\""<<name<<"\""<<std::endl;
/*errorstream<<"getShaderId(): Queued: name=\""<<name<<"\""<<std::endl;*/
// We're gonna ask the result to be put into here
ResultQueue<std::string, u32, u8, u8> result_queue;
static ResultQueue<std::string, u32, u8, u8> result_queue;
// Throw a request in
m_get_shader_queue.add(name, 0, 0, &result_queue);
infostream<<"Waiting for shader from main thread, name=\""
<<name<<"\""<<std::endl;
/* infostream<<"Waiting for shader from main thread, name=\""
<<name<<"\""<<std::endl;*/
try{
// Wait result for a second
GetResult<std::string, u32, u8, u8>
while(true) {
// Wait result for a second
GetResult<std::string, u32, u8, u8>
result = result_queue.pop_front(1000);
// Check that at least something worked OK
assert(result.key == name);
return result.item;
if (result.key == name) {
return result.item;
}
}
}
catch(ItemNotFoundException &e){
infostream<<"Waiting for shader timed out."<<std::endl;
errorstream<<"Waiting for shader " << name << " timed out."<<std::endl;
return 0;
}
}
@ -541,10 +543,10 @@ void ShaderSource::processQueue()
GetRequest<std::string, u32, u8, u8>
request = m_get_shader_queue.pop();
/*infostream<<"ShaderSource::processQueue(): "
/**errorstream<<"ShaderSource::processQueue(): "
<<"got shader request with "
<<"name=\""<<request.key<<"\""
<<std::endl;*/
<<std::endl;**/
m_get_shader_queue.pushResult(request,getShaderIdDirect(request.key));
}
@ -594,7 +596,7 @@ void ShaderSource::onSetConstants(video::IMaterialRendererServices *services,
setter->onSetConstants(services, is_highlevel);
}
}
ShaderInfo generate_shader(std::string name, IrrlichtDevice *device,
video::IShaderConstantSetCallBack *callback,
SourceShaderCache *sourcecache)

127
src/tile.cpp
View File

@ -58,7 +58,7 @@ static bool replace_ext(std::string &path, const char *ext)
last_dot_i = i;
break;
}
if(path[i] == '\\' || path[i] == '/')
break;
}
@ -97,7 +97,7 @@ std::string getImagePath(std::string path)
return path;
}
while((++ext) != NULL);
return "";
}
@ -120,7 +120,7 @@ std::string getTexturePath(const std::string &filename)
bool incache = g_texturename_to_path_cache.get(filename, &fullpath);
if(incache)
return fullpath;
/*
Check from texture_path
*/
@ -143,10 +143,10 @@ std::string getTexturePath(const std::string &filename)
// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
}
// Add to cache (also an empty result is cached)
g_texturename_to_path_cache.set(filename, fullpath);
// Finally return it
return fullpath;
}
@ -302,14 +302,14 @@ public:
getTextureId("stone.png^mineral_coal.png^crack0").
*/
/*
Gets a texture id from cache or
- if main thread, from getTextureIdDirect
- if other thread, adds to request queue and waits for main thread
*/
u32 getTextureId(const std::string &name);
/*
Example names:
"stone.png"
@ -363,21 +363,21 @@ public:
// Processes queued texture requests from other threads.
// Shall be called from the main thread.
void processQueue();
// Insert an image into the cache without touching the filesystem.
// Shall be called from the main thread.
void insertSourceImage(const std::string &name, video::IImage *img);
// Rebuild images and textures from the current set of source images
// Shall be called from the main thread.
void rebuildImagesAndTextures();
// Render a mesh to a texture.
// Returns NULL if render-to-texture failed.
// Shall be called from the main thread.
video::ITexture* generateTextureFromMesh(
const TextureFromMeshParams &params);
// Generates an image from a full string like
// "stone.png^mineral_coal.png^[crack:1:0".
// Shall be called from the main thread.
@ -389,12 +389,12 @@ public:
bool generateImage(std::string part_of_name, video::IImage *& baseimg);
private:
// The id of the thread that is allowed to use irrlicht directly
threadid_t m_main_thread;
// The irrlicht device
IrrlichtDevice *m_device;
// Cache of source images
// This should be only accessed from the main thread
SourceImageCache m_sourcecache;
@ -409,7 +409,7 @@ private:
std::map<std::string, u32> m_name_to_id;
// The two former containers are behind this mutex
JMutex m_textureinfo_cache_mutex;
// Queued texture fetches (to be processed by the main thread)
RequestQueue<std::string, u32, u8, u8> m_get_texture_queue;
@ -432,15 +432,15 @@ TextureSource::TextureSource(IrrlichtDevice *device):
m_device(device)
{
assert(m_device);
m_textureinfo_cache_mutex.Init();
m_main_thread = get_current_thread_id();
// Add a NULL TextureInfo as the first index, named ""
m_textureinfo_cache.push_back(TextureInfo(""));
m_name_to_id[""] = 0;
// Cache some settings
// Note: Since this is only done once, the game must be restarted
// for these settings to take effect
@ -499,7 +499,7 @@ u32 TextureSource::getTextureId(const std::string &name)
return n->second;
}
}
/*
Get texture
*/
@ -512,32 +512,33 @@ u32 TextureSource::getTextureId(const std::string &name)
infostream<<"getTextureId(): Queued: name=\""<<name<<"\""<<std::endl;
// We're gonna ask the result to be put into here
ResultQueue<std::string, u32, u8, u8> result_queue;
static ResultQueue<std::string, u32, u8, u8> result_queue;
// Throw a request in
m_get_texture_queue.add(name, 0, 0, &result_queue);
infostream<<"Waiting for texture from main thread, name=\""
<<name<<"\""<<std::endl;
/*infostream<<"Waiting for texture from main thread, name=\""
<<name<<"\""<<std::endl;*/
try
{
// Wait result for a second
GetResult<std::string, u32, u8, u8>
while(true) {
// Wait result for a second
GetResult<std::string, u32, u8, u8>
result = result_queue.pop_front(1000);
// Check that at least something worked OK
assert(result.key == name);
return result.item;
if (result.key == name) {
return result.item;
}
}
}
catch(ItemNotFoundException &e)
{
infostream<<"Waiting for texture timed out."<<std::endl;
errorstream<<"Waiting for texture " << name << " timed out."<<std::endl;
return 0;
}
}
infostream<<"getTextureId(): Failed"<<std::endl;
return 0;
@ -580,7 +581,7 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
infostream<<"getTextureIdDirect(): name is empty"<<std::endl;
return 0;
}
/*
Calling only allowed from main thread
*/
@ -609,7 +610,7 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
/*infostream<<"getTextureIdDirect(): \""<<name
<<"\" NOT found in cache. Creating it."<<std::endl;*/
/*
Get the base image
*/
@ -622,7 +623,7 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
is made.
*/
u32 base_image_id = 0;
// Find last meta separator in name
s32 last_separator_position = -1;
for(s32 i=name.size()-1; i>=0; i--)
@ -647,9 +648,9 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
<<base_image_name<<"\""<<std::endl;*/
base_image_id = getTextureIdDirect(base_image_name);
}
//infostream<<"base_image_id="<<base_image_id<<std::endl;
video::IVideoDriver* driver = m_device->getVideoDriver();
assert(driver);
@ -659,14 +660,14 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
An image will be built from files and then converted into a texture.
*/
video::IImage *baseimg = NULL;
// If a base image was found, copy it to baseimg
if(base_image_id != 0)
{
JMutexAutoLock lock(m_textureinfo_cache_mutex);
TextureInfo *ti = &m_textureinfo_cache[base_image_id];
if(ti->img == NULL)
{
infostream<<"getTextureIdDirect(): WARNING: NULL image in "
@ -690,7 +691,7 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
<<std::endl;*/
}
}
/*
Parse out the last part of the name of the image and act
according to it
@ -713,19 +714,19 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
errorstream<<"getTextureIdDirect(): baseimg is NULL (attempted to"
" create texture \""<<name<<"\""<<std::endl;
}
if(baseimg != NULL)
{
// Create texture from resulting image
t = driver->addTexture(name.c_str(), baseimg);
}
/*
Add texture to caches (add NULL textures too)
*/
JMutexAutoLock lock(m_textureinfo_cache_mutex);
u32 id = m_textureinfo_cache.size();
TextureInfo ti(name, t, baseimg);
m_textureinfo_cache.push_back(ti);
@ -733,7 +734,7 @@ u32 TextureSource::getTextureIdDirect(const std::string &name)
/*infostream<<"getTextureIdDirect(): "
<<"Returning id="<<id<<" for name \""<<name<<"\""<<std::endl;*/
return id;
}
@ -748,7 +749,7 @@ std::string TextureSource::getTextureName(u32 id)
<<m_textureinfo_cache.size()<<std::endl;
return "";
}
return m_textureinfo_cache[id].name;
}
@ -793,9 +794,9 @@ void TextureSource::processQueue()
void TextureSource::insertSourceImage(const std::string &name, video::IImage *img)
{
//infostream<<"TextureSource::insertSourceImage(): name="<<name<<std::endl;
assert(get_current_thread_id() == m_main_thread);
m_sourcecache.insert(name, img, true, m_device->getVideoDriver());
m_source_image_existence.set(name, true);
}
@ -932,14 +933,14 @@ video::IImage* TextureSource::generateImageFromScratch(std::string name)
base_image_name = name.substr(0, last_separator_position);
baseimg = generateImageFromScratch(base_image_name);
}
/*
Parse out the last part of the name of the image and act
according to it
*/
std::string last_part_of_name = name.substr(last_separator_position+1);
// Generate image according to part of name
if(!generateImage(last_part_of_name, baseimg))
{
@ -948,7 +949,7 @@ video::IImage* TextureSource::generateImageFromScratch(std::string name)
<<std::endl;
return NULL;
}
return baseimg;
}
@ -996,7 +997,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
//infostream<<"Setting "<<part_of_name<<" as base"<<std::endl;
/*
Copy it this way to get an alpha channel.
Otherwise images with alpha cannot be blitted on
Otherwise images with alpha cannot be blitted on
images that don't have alpha in the original file.
*/
core::dimension2d<u32> dim = image->getDimension();
@ -1031,7 +1032,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
/*infostream<<"generateImage(): generating special "
<<"modification \""<<part_of_name<<"\""
<<std::endl;*/
/*
[crack:N:P
[cracko:N:P
@ -1140,7 +1141,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
"[noalpha"
Make image completely opaque.
Used for the leaves texture when in old leaves mode, so
that the transparent parts don't look completely black
that the transparent parts don't look completely black
when simple alpha channel is used for rendering.
*/
else if(part_of_name.substr(0,8) == "[noalpha")
@ -1154,7 +1155,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
}
core::dimension2d<u32> dim = baseimg->getDimension();
// Set alpha to full
for(u32 y=0; y<dim.Height; y++)
for(u32 x=0; x<dim.Width; x++)
@ -1185,7 +1186,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
std::string filename = sf.next("");
core::dimension2d<u32> dim = baseimg->getDimension();
/*video::IImage *oldbaseimg = baseimg;
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
oldbaseimg->copyTo(baseimg);
@ -1292,7 +1293,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
img_top->drop();
img_left->drop();
img_right->drop();
/*
Draw a cube mesh into a render target texture
*/
@ -1322,9 +1323,9 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
params.light_position.set(10, 100, -50);
params.light_color.set(1.0, 0.5, 0.5, 0.5);
params.light_radius = 1000;
video::ITexture *rtt = generateTextureFromMesh(params);
// Drop mesh
cube->drop();
@ -1332,7 +1333,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
driver->removeTexture(texture_top);
driver->removeTexture(texture_left);
driver->removeTexture(texture_right);
if(rtt == NULL)
{
baseimg = generateImageFromScratch(imagename_top);
@ -1407,7 +1408,7 @@ bool TextureSource::generateImage(std::string part_of_name, video::IImage *& bas
<<"\", cancelling."<<std::endl;
return false;
}
v2u32 frame_size = baseimg->getDimension();
frame_size.Y /= frame_count;
@ -1566,7 +1567,7 @@ void brighten(video::IImage *image)
{
if(image == NULL)
return;
core::dimension2d<u32> dim = image->getDimension();
for(u32 y=0; y<dim.Height; y++)
@ -1643,7 +1644,7 @@ void imageTransform(u32 transform, video::IImage *src, video::IImage *dst)
{
if(src == NULL || dst == NULL)
return;
core::dimension2d<u32> srcdim = src->getDimension();
core::dimension2d<u32> dstdim = dst->getDimension();