Add libipm facility

2022-02-14 09:13:30 +00:00
parent 8f4860cb55
commit e059336dff
13 changed files with 5280 additions and 0 deletions
@@ -0,0 +1,67 @@
+/**
+ * Copyright (C) 2022 Matt Burt, all xrdp contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file    libipm/libipm_private.h
+ * @brief   Inter-Process Messaging building and parsing - private declarations
+ */
+
+#if !defined(LIBIPM_PRIVATE_H)
+#define LIBIPM_PRIVATE_H
+
+#include "libipm_facilities.h"
+
+enum
+{
+    /**
+     * Max size of a libipm message
+     */
+    LIBIPM_MAX_MSG_SIZE = 8192,
+
+    /**
+     * Version of libipm wire protocol
+     */
+    LIBIPM_VERSION = 2,
+
+    /**
+     * Size of libipm header
+     */
+    HEADER_SIZE = 12
+};
+
+/**
+ * Private class data stored in the trans 'extra_data' field
+ */
+struct libipm_priv
+{
+    enum libipm_facility facility;
+    unsigned int flags;
+    const char *(*msgno_to_str)(unsigned short msgno);
+    unsigned short out_msgno;
+    unsigned short out_param_count;
+    unsigned short in_msgno;
+    unsigned short in_param_count;
+};
+
+/**
+ * Valid type-system characters
+ *
+ * Contains a list of all the types accepted by libipm_msg_out_append() and
+ * libipm_msg_in_parse()
+ */
+extern const char *libipm_valid_type_chars;
+
+#endif /* LIBIPM__PRIVATE_H */