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Code Issues Releases Wiki Activity

Fix #169

pull/221/head
Vitaliy Filippov 2018-07-28 23:48:46 +03:00
parent 98d5b92e5d
commit 93cae255fa
2 changed files with 13 additions and 1 deletions
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13
libgrive/src/protocol/AuthAgent.cc
View File

@ -81,6 +81,7 @@ long AuthAgent::Request(
{
long response;
Header auth;
m_interval = 0;
do
{
auth = AppendHeader( hdr );
@ -127,7 +128,17 @@ bool AuthAgent::CheckRetry( long response )
os::Sleep( 5 ) ;
return true ;
}
// HTTP 403 is the result of API rate limiting. attempt exponential backoff and try again
else if ( response == 429 || ( response == 403 && (
m_agent->LastError().find("\"reason\": \"userRateLimitExceeded\",") != std::string::npos ||
m_agent->LastError().find("\"reason\": \"rateLimitExceeded\",") != std::string::npos ) ) )
{
m_interval = m_interval <= 0 ? 1 : ( m_interval < 64 ? m_interval*2 : 120 );
Log( "request failed due to rate limiting: %1% (body: %2%). retrying in %3% seconds",
response, m_agent->LastError(), m_interval, log::warning ) ;
os::Sleep( m_interval ) ;
return true ;
}
// HTTP 401 Unauthorized. the auth token has been expired. refresh it
else if ( response == 401 )
{

1
libgrive/src/protocol/AuthAgent.hh
View File

@ -71,6 +71,7 @@ private :
private :
OAuth2& m_auth ;
http::Agent* m_agent ;
int m_interval ;
} ;
} // end of namespace