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FTP: perform active connections non-blocking

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1- Two new error codes are introduced.

CURLE_FTP_ACCEPT_FAILED to be set whenever ACCEPTing fails because of
FTP server connected.

CURLE_FTP_ACCEPT_TIMEOUT to be set whenever ACCEPTing timeouts.

Neither of these errors are considered fatal and control connection
remains OK because it could just be a firewall blocking server to
connect to the client.

2- One new setopt option was introduced.

CURLOPT_ACCEPTTIMEOUT_MS

It sets the maximum amount of time FTP client is going to wait for a
server to connect. Internal default accept timeout is 60 seconds.
This commit is contained in:
Gokhan Sengun
2011-12-19 14:35:20 +01:00
committed by Daniel Stenberg
parent 5527417afa
commit c834213ad5
20 changed files with 366 additions and 132 deletions
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8
lib/strerror.c
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@@ -81,6 +81,12 @@ curl_easy_strerror(CURLcode error)
case CURLE_REMOTE_ACCESS_DENIED:
return "Access denied to remote resource";
case CURLE_FTP_ACCEPT_FAILED:
return "FTP: The server failed to connect to data port";
case CURLE_FTP_ACCEPT_TIMEOUT:
return "FTP: Accepting server connect has timed out";
case CURLE_FTP_PRET_FAILED:
return "FTP: The server did not accept the PRET command.";
@@ -284,8 +290,6 @@ curl_easy_strerror(CURLcode error)
return "Chunk callback failed";
/* error codes not used by current libcurl */
case CURLE_OBSOLETE10:
case CURLE_OBSOLETE12:
case CURLE_OBSOLETE16:
case CURLE_OBSOLETE20:
case CURLE_OBSOLETE24: