Import pjproject-2.0.1

1 files changed, 139 insertions, 0 deletions

diff --git a/pjlib/src/pj/ioqueue_common_abs.h b/pjlib/src/pj/ioqueue_common_abs.h
new file mode 100644
index 0000000..3a41051
--- /dev/null
+++ b/pjlib/src/pj/ioqueue_common_abs.h
@@ -0,0 +1,139 @@
+/* $Id */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+
+/* ioqueue_common_abs.h
+ *
+ * This file contains private declarations for abstracting various 
+ * event polling/dispatching mechanisms (e.g. select, poll, epoll) 
+ * to the ioqueue. 
+ */
+
+#include <pj/list.h>
+
+/*
+ * The select ioqueue relies on socket functions (pj_sock_xxx()) to return
+ * the correct error code.
+ */
+#if PJ_RETURN_OS_ERROR(100) != PJ_STATUS_FROM_OS(100)
+#   error "Proper error reporting must be enabled for ioqueue to work!"
+#endif
+
+
+struct generic_operation
+{
+    PJ_DECL_LIST_MEMBER(struct generic_operation);
+    pj_ioqueue_operation_e  op;
+};
+
+struct read_operation
+{
+    PJ_DECL_LIST_MEMBER(struct read_operation);
+    pj_ioqueue_operation_e  op;
+
+    void		   *buf;
+    pj_size_t		    size;
+    unsigned                flags;
+    pj_sockaddr_t	   *rmt_addr;
+    int			   *rmt_addrlen;
+};
+
+struct write_operation
+{
+    PJ_DECL_LIST_MEMBER(struct write_operation);
+    pj_ioqueue_operation_e  op;
+
+    char		   *buf;
+    pj_size_t		    size;
+    pj_ssize_t              written;
+    unsigned                flags;
+    pj_sockaddr_in	    rmt_addr;
+    int			    rmt_addrlen;
+};
+
+struct accept_operation
+{
+    PJ_DECL_LIST_MEMBER(struct accept_operation);
+    pj_ioqueue_operation_e  op;
+
+    pj_sock_t              *accept_fd;
+    pj_sockaddr_t	   *local_addr;
+    pj_sockaddr_t	   *rmt_addr;
+    int			   *addrlen;
+};
+
+union operation_key
+{
+    struct generic_operation generic;
+    struct read_operation    read;
+    struct write_operation   write;
+#if PJ_HAS_TCP
+    struct accept_operation  accept;
+#endif
+};
+
+#if PJ_IOQUEUE_HAS_SAFE_UNREG
+#   define UNREG_FIELDS			\
+	unsigned	    ref_count;	\
+	pj_bool_t	    closing;	\
+	pj_time_val	    free_time;	\
+	
+#else
+#   define UNREG_FIELDS
+#endif
+
+#define DECLARE_COMMON_KEY                          \
+    PJ_DECL_LIST_MEMBER(struct pj_ioqueue_key_t);   \
+    pj_ioqueue_t           *ioqueue;                \
+    pj_mutex_t             *mutex;                  \
+    pj_bool_t		    inside_callback;	    \
+    pj_bool_t		    destroy_requested;	    \
+    pj_bool_t		    allow_concurrent;	    \
+    pj_sock_t		    fd;                     \
+    int                     fd_type;                \
+    void		   *user_data;              \
+    pj_ioqueue_callback	    cb;                     \
+    int                     connecting;             \
+    struct read_operation   read_list;              \
+    struct write_operation  write_list;             \
+    struct accept_operation accept_list;	    \
+    UNREG_FIELDS
+
+
+#define DECLARE_COMMON_IOQUEUE                      \
+    pj_lock_t          *lock;                       \
+    pj_bool_t           auto_delete_lock;	    \
+    pj_bool_t		default_concurrency;
+
+
+enum ioqueue_event_type
+{
+    NO_EVENT,
+    READABLE_EVENT,
+    WRITEABLE_EVENT,
+    EXCEPTION_EVENT,
+};
+
+static void ioqueue_add_to_set( pj_ioqueue_t *ioqueue,
+                                pj_ioqueue_key_t *key,
+                                enum ioqueue_event_type event_type );
+static void ioqueue_remove_from_set( pj_ioqueue_t *ioqueue,
+                                     pj_ioqueue_key_t *key, 
+                                     enum ioqueue_event_type event_type);
+