Add FTP uploader using curl.

1 files changed, 109 insertions, 0 deletions

diff --git a/src/lib/curl_uploader.cc b/src/lib/curl_uploader.cc
new file mode 100644
index 000000000..b88898544
--- /dev/null
+++ b/src/lib/curl_uploader.cc
@@ -0,0 +1,109 @@
+/*
+    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "curl_uploader.h"
+#include "exceptions.h"
+#include "config.h"
+#include "cross.h"
+#include "compose.hpp"
+
+#include "i18n.h"
+
+using std::string;
+using std::cout;
+using boost::function;
+
+static size_t
+read_callback (void* ptr, size_t size, size_t nmemb, void* object)
+{
+	CurlUploader* u = reinterpret_cast<CurlUploader*> (object);
+	return u->read_callback (ptr, size, nmemb);
+}
+
+CurlUploader::CurlUploader (function<void (string)> set_status, function<void (float)> set_progress)
+	: Uploader (set_status, set_progress)
+	, _file (0)
+	, _transferred (0)
+	, _total_size (0)
+{
+	_curl = curl_easy_init ();
+	if (!_curl) {
+		throw NetworkError (_("Could not start transfer"));
+	}
+
+	curl_easy_setopt (_curl, CURLOPT_READFUNCTION, ::read_callback);
+	curl_easy_setopt (_curl, CURLOPT_READDATA, this);
+	curl_easy_setopt (_curl, CURLOPT_UPLOAD, 1L);
+	curl_easy_setopt (_curl, CURLOPT_FTP_CREATE_MISSING_DIRS, 1L);
+	curl_easy_setopt (_curl, CURLOPT_READDATA, this);
+	curl_easy_setopt (_curl, CURLOPT_USERNAME, Config::instance()->tms_user().c_str ());
+	curl_easy_setopt (_curl, CURLOPT_PASSWORD, Config::instance()->tms_password().c_str ());
+}
+
+CurlUploader::~CurlUploader ()
+{
+	if (_file) {
+		fclose (_file);
+	}
+	curl_easy_cleanup (_curl);
+}
+
+void
+CurlUploader::create_directory (boost::filesystem::path)
+{
+	/* this is done by libcurl */
+}
+
+void
+CurlUploader::upload_file (boost::filesystem::path from, boost::filesystem::path to, boost::uintmax_t& transferred, boost::uintmax_t total_size)
+{
+	curl_easy_setopt (
+		_curl, CURLOPT_URL,
+		String::compose ("ftp://%1/%2/%3", Config::instance()->tms_ip(), Config::instance()->tms_path(), to.string ()).c_str ()
+		);
+
+	cout << String::compose ("ftp://%1/%2/%3", Config::instance()->tms_ip(), Config::instance()->tms_path(), to.string ()) << "\n";
+
+	_file = fopen_boost (from, "rb");
+	if (!_file) {
+		throw NetworkError (String::compose (_("Could not open %1 to send"), from));
+	}
+	_transferred = &transferred;
+	_total_size = total_size;
+
+	CURLcode const r = curl_easy_perform (_curl);
+	if (r != CURLE_OK) {
+		throw NetworkError (String::compose (_("Could not write to remote file (%1)"), curl_easy_strerror (r)));
+	}
+
+	fclose (_file);
+}
+
+size_t
+CurlUploader::read_callback (void* ptr, size_t size, size_t nmemb)
+{
+	size_t const r = fread (ptr, size, nmemb, _file);
+	*_transferred += size * nmemb;
+
+	if (_total_size > 0) {
+		_set_progress ((double) *_transferred / _total_size);
+	}
+
+	return r;
+}