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[thin_restore] Add a progress monitor

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This commit is contained in:
Joe Thornber
2014-08-05 11:47:57 +01:00
parent f534664f96
commit fccc1dfcb0
6 changed files with 134 additions and 4 deletions
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10
thin-provisioning/xml_format.cc
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@@ -256,7 +256,8 @@ tp::create_xml_emitter(ostream &out)
}
void
tp::parse_xml(std::istream &in, emitter::ptr e)
tp::parse_xml(std::istream &in, emitter::ptr e,
size_t input_length, base::progress_monitor::ptr monitor)
{
XML_Parser parser = XML_ParserCreate(NULL);
if (!parser)
@@ -265,8 +266,10 @@ tp::parse_xml(std::istream &in, emitter::ptr e)
XML_SetUserData(parser, e.get());
XML_SetElementHandler(parser, start_tag, end_tag);
size_t total = 0;
while (!in.eof()) {
char buffer[4096];
char buffer[1024 * 1024];
in.read(buffer, sizeof(buffer));
size_t len = in.gcount();
int done = in.eof();
@@ -280,6 +283,9 @@ tp::parse_xml(std::istream &in, emitter::ptr e)
<< endl;
throw runtime_error(out.str());
}
total += len;
monitor->update_percent(total * 100 / input_length);
}
}