From 37566202133915d76179e0fd0c7fad654fc4dda0 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sat, 27 Jul 2013 21:33:37 +0200
Subject: Encapsulate protocol_t

---
 mmss/protocol.cpp | 29 +++++++++++------------------
 1 file changed, 11 insertions(+), 18 deletions(-)

(limited to 'mmss/protocol.cpp')

diff --git a/mmss/protocol.cpp b/mmss/protocol.cpp
index 246b136..5688525 100644
--- a/mmss/protocol.cpp
+++ b/mmss/protocol.cpp
@@ -24,43 +24,36 @@
 */
 
 
+#include "protocol.hpp"
 #include "mmss.hpp"
 
 #include <dlfcn.h>
-#include <cstdio>
 
 
 namespace MMSS {
 
-class dlcloser {
-private:
-	void *handle;
-
-public:
-	dlcloser(void *handle0) : handle(handle0) {}
-	void operator()(const protocol_t *ptr) const {
-		::dlclose(handle);
-	}
-};
+protocol_t::~protocol_t() {
+	::dlclose(handle);
+}
 
-std::shared_ptr<const protocol_t> load_protocol(const char *module) {
-	void *handle = ::dlopen(module, RTLD_NOW);
+std::shared_ptr<const protocol_t> protocol_t::load(context_t *mmss, const std::string &module) {
+	void *handle = ::dlopen(module.c_str(), RTLD_NOW);
 	if (!handle) {
-		std::fprintf(stderr, "unable to load protocol from `%s': %s\n", module, dlerror());
+		mmss->logf(LOG_ERR, "unable to load protocol from `%s': %s", module.c_str(), dlerror());
 		return std::shared_ptr<const protocol_t>();
 	}
 
 	::dlerror();
-	const protocol_t *proto = reinterpret_cast<const protocol_t*>(::dlsym(handle, "mmss_protocol_info"));
+	const mmss_protocol_t *proto = reinterpret_cast<const mmss_protocol_t*>(::dlsym(handle, "mmss_protocol_info"));
 	if (!proto) {
-		std::fprintf(stderr, "unable to load protocol from `%s': %s\n", module, dlerror());
+		mmss->logf(LOG_ERR, "unable to load protocol from `%s': %s", module.c_str(), dlerror());
 		::dlclose(handle);
 		return std::shared_ptr<const protocol_t>();
 	}
 
-	std::fprintf(stderr, "loaded protocol `%s' version %s\n", proto->get_name(), proto->get_version());
+	mmss->logf(LOG_INFO, "loaded protocol `%s' version %s", proto->get_name(), proto->get_version());
 
-	return std::shared_ptr<const protocol_t>(proto, dlcloser(handle));
+	return std::shared_ptr<const protocol_t>(new protocol_t(handle, proto));
 }
 
 }
-- 
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