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shrpx: Added --frontend-spdy-window-bits option

This commit is contained in:
Tatsuhiro Tsujikawa 2012-07-26 23:18:37 +09:00
parent f89112b5e9
commit 51c4f4f5b0
4 changed files with 27 additions and 2 deletions
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23
examples/shrpx.cc
View File

@ -265,6 +265,10 @@ void fill_default_config()
// Timeout for pooled (idle) connections
mod_config()->downstream_idle_read_timeout.tv_sec = 60;
// window bits for SPDY upstream connection
// 2**16 = 64KiB, which is SPDY/3 default.
mod_config()->spdy_upstream_window_bits = 16;
mod_config()->downstream_host = "localhost";
mod_config()->downstream_port = 80;
@ -378,6 +382,11 @@ void print_help(std::ostream& out)
<< " connection. Default: "
<< get_config()->downstream_idle_read_timeout.tv_sec << "\n"
<< " --accesslog Print simple accesslog to stderr.\n"
<< " --frontend-spdy-window-bits=<N>\n"
<< " Sets the initial window size of SPDY\n"
<< " frontend connection to 2**<N>.\n"
<< " Default: "
<< get_config()->spdy_upstream_window_bits << "\n"
<< " -h, --help Print this help.\n"
<< std::endl;
}
@ -412,6 +421,7 @@ int main(int argc, char **argv)
{"backend-write-timeout", required_argument, &flag, 6 },
{"accesslog", no_argument, &flag, 7 },
{"backend-keep-alive-timeout", required_argument, &flag, 8 },
{"frontend-spdy-window-bits", required_argument, &flag, 9 },
{"help", no_argument, 0, 'h' },
{0, 0, 0, 0 }
};
@ -508,6 +518,19 @@ int main(int argc, char **argv)
mod_config()->downstream_idle_read_timeout = tv;
break;
}
case 9: {
// --frontend-spdy-window-bits
errno = 0;
unsigned long int n = strtoul(optarg, 0, 10);
if(errno == 0 && n < 31) {
mod_config()->spdy_upstream_window_bits = n;
} else {
std::cerr << "-w: specify the integer in the range [0, 30], inclusive"
<< std::endl;
exit(EXIT_FAILURE);
}
break;
}
default:
break;
}

3
examples/shrpx_config.cc
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@ -43,7 +43,8 @@ Config::Config()
spdy_max_concurrent_streams(0),
spdy_proxy(false),
add_x_forwarded_for(false),
accesslog(false)
accesslog(false),
spdy_upstream_window_bits(0)
{}
namespace {

1
examples/shrpx_config.h
View File

@ -69,6 +69,7 @@ struct Config {
bool spdy_proxy;
bool add_x_forwarded_for;
bool accesslog;
size_t spdy_upstream_window_bits;
Config();
};

2
examples/shrpx_spdy_upstream.cc
View File

@ -297,7 +297,7 @@ SpdyUpstream::SpdyUpstream(uint16_t version, ClientHandler *handler)
if(version == SPDYLAY_PROTO_SPDY3) {
int val = 1;
flow_control_ = true;
initial_window_size_ = 64*1024; // specified by SPDY/3 spec.
initial_window_size_ = 1 << get_config()->spdy_upstream_window_bits;
rv = spdylay_session_set_option(session_,
SPDYLAY_OPT_NO_AUTO_WINDOW_UPDATE, &val,
sizeof(val));