Default platform handlers (currently only POSIX).

1 files changed, 186 insertions, 0 deletions

diff --git a/src/platforms/posix/handler.cpp b/src/platforms/posix/handler.cpp
new file mode 100644
index 00000000..1c3fd7d4
--- /dev/null
+++ b/src/platforms/posix/handler.cpp
@@ -0,0 +1,186 @@
+//
+// VMime library (http://vmime.sourceforge.net)
+// Copyright (C) 2002-2004 Vincent Richard <[email protected]>
+//
+// 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 "handler.hpp"
+
+#include <time.h>
+
+#include <unistd.h>
+#include <locale.h>
+#include <langinfo.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <netdb.h>
+
+#include <string.h>
+
+
+namespace vmime {
+namespace platforms {
+namespace posix {
+
+
+posixHandler::posixHandler()
+	: m_socketFactory(new posixSocketFactory()),
+	  m_fileSysFactory(new posixFileSystemFactory())
+{
+}
+
+
+posixHandler::~posixHandler()
+{
+	delete (m_socketFactory);
+	delete (m_fileSysFactory);
+}
+
+
+const unsigned int posixHandler::getUnixTime() const
+{
+	return ::time(NULL);
+}
+
+
+const vmime::datetime posixHandler::getCurrentLocalTime() const
+{
+	const time_t t(::time(NULL));
+
+	// Get the local time
+#ifdef _REENTRANT
+	tm local;
+	::localtime_r(&t, &local);
+#else
+	tm local = *::localtime(&t);  // WARNING: this is not thread-safe!
+#endif
+
+	// Get the UTC time
+#ifdef _REENTRANT
+	tm gmt;
+	::gmtime_r(&t, &gmt);
+#else
+	tm gmt = *::gmtime(&t);  // WARNING: this is not thread-safe!
+#endif
+
+	// "A negative value for tm_isdst causes mktime() to attempt
+	//  to determine whether Daylight Saving Time is in effect
+	//  for the specified time."
+	local.tm_isdst = -1;
+	gmt.tm_isdst = -1;
+
+	// Calculate the difference (in seconds)
+	const int diff = ::mktime(&local) - ::mktime(&gmt);
+
+	// Return the date
+	return vmime::datetime(local.tm_year + 1900, local.tm_mon + 1, local.tm_mday,
+					local.tm_hour, local.tm_min, local.tm_sec, diff / 60);  // minutes needed
+}
+
+
+const vmime::charset posixHandler::getLocaleCharset() const
+{
+	vmime::string prevLocale(::setlocale(::LC_ALL, ""));
+	vmime::charset ch(::nl_langinfo(::CODESET));
+	::setlocale(::LC_ALL, prevLocale.c_str());
+
+	return (ch);
+}
+
+
+const vmime::string posixHandler::getHostName() const
+{
+	std::vector <vmime::string> hostnames;
+	char buffer[256];
+
+	// Try with 'gethostname'
+	::gethostname(buffer, sizeof(buffer));
+	buffer[sizeof(buffer) - 1] = '\0';
+
+	if (::strlen(buffer) == 0)
+		::strcpy(buffer, "localhost");
+
+	hostnames.push_back(buffer);
+
+	// And with 'gethostbyname'
+	struct hostent* he = ::gethostbyname(buffer);
+
+	if (he != NULL)
+	{
+		if (::strlen(he->h_name) != 0)
+			hostnames.push_back(he->h_name);
+
+		char** alias = he->h_aliases;
+
+		while (alias && *alias)
+		{
+			if (::strlen(*alias) != 0)
+				hostnames.push_back(*alias);
+
+			++alias;
+		}
+	}
+
+	// Find a Fully-Qualified Domain Name (FQDN)
+	for (unsigned int i = 0 ; i < hostnames.size() ; ++i)
+	{
+		if (hostnames[i].find_first_of(".") != vmime::string::npos)
+			return (hostnames[i]);
+	}
+
+	return (hostnames[0]);
+}
+
+
+const unsigned int posixHandler::getProcessId() const
+{
+	return (::getpid());
+}
+
+
+vmime::messaging::socketFactory* posixHandler::getSocketFactory
+	(const vmime::string& /* name */) const
+{
+	return (m_socketFactory);
+}
+
+
+vmime::messaging::timeoutHandlerFactory* posixHandler::getTimeoutHandlerFactory
+	(const vmime::string& /* name */) const
+{
+	// Not used by default
+	return (NULL);
+}
+
+
+vmime::utility::fileSystemFactory* posixHandler::getFileSystemFactory() const
+{
+	return (m_fileSysFactory);
+}
+
+
+void posixHandler::wait() const
+{
+	::sleep(1);
+}
+
+
+} // posix
+} // platforms
+} // vmime