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more debugging code...

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This commit is contained in:
Gunter Labes 2009-09-10 04:58:19 +00:00
parent e563dabdc9
commit 8026e17f55
1 changed files with 63 additions and 28 deletions
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91
src/server/simple_wml.cpp
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@ -23,66 +23,101 @@ void debug_delete(node* n) {
char* uncompress_buffer(const string_span& input, string_span* span)
{
std::istringstream stream(std::string(input.begin(), input.end()));
boost::iostreams::filtering_stream<boost::iostreams::input> filter;
filter.push(boost::iostreams::gzip_decompressor());
filter.push(stream);
int nalloc = input.size();
int state = 0;
try {
std::istringstream stream(std::string(input.begin(), input.end()));
state = 1;
boost::iostreams::filtering_stream<boost::iostreams::input> filter;
state = 2;
filter.push(boost::iostreams::gzip_decompressor());
filter.push(stream);
state = 3;
const size_t chunk_size = input.size() * 10;
std::vector<char> buf(chunk_size);
size_t len = 0;
size_t pos = 0;
while(filter.good() && (len = filter.read(&buf[pos], chunk_size).gcount()) == chunk_size) {
if(pos + chunk_size > 40000000) {
throw error("WML document exceeds 40MB limit");
const size_t chunk_size = input.size() * 10;
nalloc = chunk_size;
std::vector<char> buf(chunk_size);
state = 4;
size_t len = 0;
size_t pos = 0;
while(filter.good() && (len = filter.read(&buf[pos], chunk_size).gcount()) == chunk_size) {
if(pos + chunk_size > 40000000) {
throw error("WML document exceeds 40MB limit");
}
pos += len;
buf.resize(pos + chunk_size);
len = 0;
}
if(!filter.eof() && !filter.good()) {
throw error("failed to uncompress");
}
pos += len;
buf.resize(pos + chunk_size);
len = 0;
state = 5;
nalloc = pos;
buf.resize(pos);
state = 6;
char* small_out = new char[pos+1];
memcpy(small_out, &buf[0], pos);
state = 7;
small_out[pos] = 0;
*span = string_span(small_out, pos);
state = 8;
return small_out;
} catch (std::bad_alloc& e) {
ERR_SWML << "ERROR: bad_alloc caught in uncompress_buffer() state "
<< state << " alloc bytes " << nalloc << " with input: '"
<< input << "' " << e.what() << std::endl;
throw error("Bad allocation request in uncompress_buffer().");
}
if(!filter.eof() && !filter.good()) {
throw error("failed to uncompress");
}
pos += len;
buf.resize(pos);
char* small_out = new char[pos+1];
memcpy(small_out, &buf[0], pos);
small_out[pos] = 0;
*span = string_span(small_out, pos);
return small_out;
}
char* compress_buffer(const char* input, string_span* span)
{
int nalloc = strlen(input);
int state = 0;
try {
std::string in(input);
state = 1;
std::istringstream stream(in);
state = 2;
boost::iostreams::filtering_stream<boost::iostreams::input> filter;
state = 3;
filter.push(boost::iostreams::gzip_compressor());
filter.push(stream);
state = 4;
nalloc = in.size()*2 + 80;
std::vector<char> buf(in.size()*2 + 80);
state = 5;
const int len = filter.read(&buf[0], buf.size()).gcount();
assert(len < 128*1024*1024);
if((!filter.eof() && !filter.good()) || len == static_cast<int>(buf.size())) {
throw error("failed to compress");
}
state = 6;
nalloc = len;
buf.resize(len);
state = 7;
char* small_out = new char[len];
memcpy(small_out, &buf[0], len);
state = 8;
*span = string_span(small_out, len);
assert(*small_out == 31);
state = 9;
return small_out;
} catch (std::bad_alloc& e) {
ERR_SWML << "ERROR: bad_alloc caught in compress_buffer() with input: '"
ERR_SWML << "ERROR: bad_alloc caught in compress_buffer() state "
<< state << " alloc bytes " << nalloc << " with input: '"
<< input << "' " << e.what() << std::endl;
throw error("Bad allocation request in compress_buffer().");
}