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construct: Use conf items for console output ratelimits.

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This commit is contained in:
Jason Volk 2018-11-13 09:52:29 -08:00
parent 8931ce8b38
commit 73def04e3e
1 changed files with 22 additions and 4 deletions
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26
construct/console.cc
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@ -36,6 +36,20 @@ stack_sz
{ "default", long(2_MiB) }, { "default", long(2_MiB) },
}; };
conf::item<milliseconds>
ratelimit_sleep
{
{ "name", "construct.console.ratelimit.sleep" },
{ "default", 75L },
};
conf::item<size_t>
ratelimit_bytes
{
{ "name", "construct.console.ratelimit.bytes" },
{ "default", long(2_KiB) },
};
static void check_console_active(); static void check_console_active();
static void console_fini(); static void console_fini();
static void console_init(); static void console_init();
@ -298,16 +312,20 @@ handle_line_bymodule(const string_view &line)
out.str() out.str()
}; };
static const size_t mlen(2048); // The string is iterated for rate-limiting. After a configured
for(size_t off(0); off < str.size(); off += mlen) // number of bytes sent to stdout we sleep the ircd::ctx for a
// configured number of milliseconds. If these settings are too
// aggressive then the output heading to stdout won't appear in
// the terminal after the buffers are filled.
for(size_t off(0); off < str.size(); off += size_t(ratelimit_bytes))
{ {
const string_view substr const string_view substr
{ {
str.data() + off, std::min(str.size() - off, mlen) str.data() + off, std::min(str.size() - off, size_t(ratelimit_bytes))
}; };
std::cout << substr << std::flush; std::cout << substr << std::flush;
ctx::sleep(milliseconds(50)); ctx::sleep(milliseconds(ratelimit_sleep));
} }
if(!endswith(str, '\n')) if(!endswith(str, '\n'))