REORG: split "protocols" files into protocol and listener
It was becoming confusing to have protocols and listeners in the same
files, split them.
diff --git a/src/protocol.c b/src/protocol.c
new file mode 100644
index 0000000..84d23da
--- /dev/null
+++ b/src/protocol.c
@@ -0,0 +1,129 @@
+/*
+ * Protocol registration functions.
+ *
+ * Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
+ *
+ * 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.
+ *
+ */
+
+#include <common/config.h>
+#include <common/errors.h>
+#include <common/mini-clist.h>
+#include <common/standard.h>
+
+#include <types/protocol.h>
+
+/* List head of all registered protocols */
+static struct list protocols = LIST_HEAD_INIT(protocols);
+
+/* Registers the protocol <proto> */
+void protocol_register(struct protocol *proto)
+{
+ LIST_ADDQ(&protocols, &proto->list);
+}
+
+/* Unregisters the protocol <proto>. Note that all listeners must have
+ * previously been unbound.
+ */
+void protocol_unregister(struct protocol *proto)
+{
+ LIST_DEL(&proto->list);
+ LIST_INIT(&proto->list);
+}
+
+/* binds all listeners of all registered protocols. Returns a composition
+ * of ERR_NONE, ERR_RETRYABLE, ERR_FATAL.
+ */
+int protocol_bind_all(char *errmsg, int errlen)
+{
+ struct protocol *proto;
+ int err;
+
+ err = 0;
+ list_for_each_entry(proto, &protocols, list) {
+ if (proto->bind_all) {
+ err |= proto->bind_all(proto, errmsg, errlen);
+ if ( err & ERR_ABORT )
+ break;
+ }
+ }
+ return err;
+}
+
+/* unbinds all listeners of all registered protocols. They are also closed.
+ * This must be performed before calling exit() in order to get a chance to
+ * remove file-system based sockets and pipes.
+ * Returns a composition of ERR_NONE, ERR_RETRYABLE, ERR_FATAL, ERR_ABORT.
+ */
+int protocol_unbind_all(void)
+{
+ struct protocol *proto;
+ int err;
+
+ err = 0;
+ list_for_each_entry(proto, &protocols, list) {
+ if (proto->unbind_all) {
+ err |= proto->unbind_all(proto);
+ }
+ }
+ return err;
+}
+
+/* enables all listeners of all registered protocols. This is intended to be
+ * used after a fork() to enable reading on all file descriptors. Returns a
+ * composition of ERR_NONE, ERR_RETRYABLE, ERR_FATAL.
+ */
+int protocol_enable_all(void)
+{
+ struct protocol *proto;
+ int err;
+
+ err = 0;
+ list_for_each_entry(proto, &protocols, list) {
+ if (proto->enable_all) {
+ err |= proto->enable_all(proto);
+ }
+ }
+ return err;
+}
+
+/* disables all listeners of all registered protocols. This may be used before
+ * a fork() to avoid duplicating poll lists. Returns a composition of ERR_NONE,
+ * ERR_RETRYABLE, ERR_FATAL.
+ */
+int protocol_disable_all(void)
+{
+ struct protocol *proto;
+ int err;
+
+ err = 0;
+ list_for_each_entry(proto, &protocols, list) {
+ if (proto->disable_all) {
+ err |= proto->disable_all(proto);
+ }
+ }
+ return err;
+}
+
+/* Returns the protocol handler for socket family <family> or NULL if not found */
+struct protocol *protocol_by_family(int family)
+{
+ struct protocol *proto;
+
+ list_for_each_entry(proto, &protocols, list) {
+ if (proto->sock_domain == family)
+ return proto;
+ }
+ return NULL;
+}
+
+/*
+ * Local variables:
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * End:
+ */