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authorArch Librarian <arch@canonical.com>2004-09-20 16:51:11 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 16:51:11 +0000
commit561ab0db89ae9c4de1b37bac12d5ad8353848862 (patch)
tree2de3945afb2e2b04149d85ae0af5675d3a6f515e /methods
parent4b4fd143996c3457677d13309337502aed5f9c81 (diff)
Added copy method
Author: jgg Date: 1998-10-25 01:57:07 GMT Added copy method
Diffstat (limited to 'methods')
-rw-r--r--methods/copy.cc116
-rw-r--r--methods/makefile6
2 files changed, 122 insertions, 0 deletions
diff --git a/methods/copy.cc b/methods/copy.cc
new file mode 100644
index 000000000..68253a64c
--- /dev/null
+++ b/methods/copy.cc
@@ -0,0 +1,116 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: copy.cc,v 1.1 1998/10/25 01:57:07 jgg Exp $
+/* ######################################################################
+
+ Copy URI - This method takes a uri like a file: uri and copies it
+ to the destination URI.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <apt-pkg/fileutl.h>
+#include <strutl.h>
+#include <apt-pkg/error.h>
+
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdio.h>
+ /*}}}*/
+
+// Fail - Generate a failure message /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void Fail(string URI)
+{
+ string Err = "Undetermined Error";
+ if (_error->empty() == false)
+ _error->PopMessage(Err);
+
+ printf("400 URI Failure\n"
+ "URI: %s\n"
+ "Message: %s\n\n",URI.c_str(),Err.c_str());
+ _error->Discard();
+}
+ /*}}}*/
+
+int main()
+{
+ setlinebuf(stdout);
+ SetNonBlock(STDIN_FILENO,true);
+
+ printf("100 Capabilities\n"
+ "Version: 1.0\n"
+ "Pipeline: true\n\n");
+
+ vector<string> Messages;
+ while (1)
+ {
+ if (WaitFd(STDIN_FILENO) == false ||
+ ReadMessages(STDIN_FILENO,Messages) == false)
+ return 0;
+
+ while (Messages.empty() == false)
+ {
+ string Message = Messages.front();
+ Messages.erase(Messages.begin());
+
+ // Fetch the message number
+ char *End;
+ int Number = strtol(Message.c_str(),&End,10);
+ if (End == Message.c_str())
+ {
+ cerr << "Malformed message!" << endl;
+ return 100;
+ }
+
+ // We only understand 600 URI Fetch messages
+ if (Number != 600)
+ continue;
+
+ // Grab the URI bit
+ string URI = LookupTag(Message,"URI");
+ string Target = LookupTag(Message,"Filename");
+
+ // Grab the filename
+ string::size_type Pos = URI.find(':');
+ if (Pos == string::npos)
+ {
+ _error->Error("Invalid message");
+ Fail(URI);
+ continue;
+ }
+ string File = string(URI,Pos+1);
+
+ // Start the reply message
+ string Result = "201 URI Done";
+ Result += "\nURI: " + URI;
+ Result += "\nFileName: " + Target;
+
+ // See if the file exists
+ FileFd From(File,FileFd::ReadOnly);
+ FileFd To(Target,FileFd::WriteEmpty);
+ To.EraseOnFailure();
+ if (_error->PendingError() == true)
+ {
+ Fail(URI);
+ continue;
+ }
+
+ // Copy the file
+ if (CopyFile(From,To) == false)
+ {
+ Fail(URI);
+ continue;
+ }
+
+ // Send the message
+ Result += "\n\n";
+ if (write(STDOUT_FILENO,Result.begin(),Result.length()) !=
+ (signed)Result.length())
+ return 100;
+ }
+ }
+
+ return 0;
+}
diff --git a/methods/makefile b/methods/makefile
index dbe159a7a..ac76b56d9 100644
--- a/methods/makefile
+++ b/methods/makefile
@@ -11,3 +11,9 @@ PROGRAM=file
SLIBS = -lapt-pkg
SOURCE = file.cc
include $(PROGRAM_H)
+
+# The copy method
+PROGRAM=copy
+SLIBS = -lapt-pkg
+SOURCE = copy.cc
+include $(PROGRAM_H)