2008-09-08 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Implemented the ability to get timestamp from remote FTP server 
using
	MDTM command described in RFC3659.
	* src/FtpConnection.cc
	* src/FtpConnection.h
	* src/FtpNegotiationCommand.cc
	* src/FtpNegotiationCommand.h
	* test/FtpConnectionTest.cc
	* test/Makefile.am

1 files changed, 28 insertions, 0 deletions

diff --git a/src/FtpConnection.cc b/src/FtpConnection.cc
index 8a9062b3..648e5e55 100644
--- a/src/FtpConnection.cc
+++ b/src/FtpConnection.cc
@@ -47,6 +47,7 @@
 #include "DlAbortEx.h"
 #include "Socket.h"
 #include "A2STR.h"
+#include <cstring>
 
 namespace aria2 {
 
@@ -95,6 +96,13 @@ void FtpConnection::sendCwd() const
   socket->writeData(request);
 }
 
+void FtpConnection::sendMdtm() const
+{
+  std::string request = "MDTM "+Util::urlencode(req->getFile())+"\r\n";
+  logger->info(MSG_SENDING_REQUEST, cuid, request.c_str());
+  socket->writeData(request);
+}
+
 void FtpConnection::sendSize() const
 {
   std::string request = "SIZE "+Util::urldecode(req->getFile())+"\r\n";
@@ -257,6 +265,26 @@ unsigned int FtpConnection::receiveSizeResponse(uint64_t& size)
   }
 }
 
+unsigned int FtpConnection::receiveMdtmResponse(Time& time)
+{
+  // MDTM command, specified in RFC3659.
+  std::pair<unsigned int, std::string> response;
+  if(bulkReceiveResponse(response)) {
+    if(response.first == 213) {
+      char buf[15]; // YYYYMMDDhhmmss+\0, milli second part is dropped.
+      sscanf(response.second.c_str(), "%*u %14s", buf);
+      if(strlen(buf) == 14) {
+	time = Time::parse(buf, "%Y%m%d%H%M%S");
+      } else {
+	time.setTimeInSec(-1);
+      }
+    }
+    return response.first;
+  } else {
+    return 0;
+  }
+}
+
 unsigned int FtpConnection::receivePasvResponse(std::pair<std::string, uint16_t>& dest)
 {
   std::pair<unsigned int, std::string> response;