added inital version (working main lopp with signal handler)

git-svn-id: https://svn.spreadspace.org/tcpproxy/trunk@2 e61f0598-a718-4e21-a8f0-0aadfa62ad6b

1 files changed, 82 insertions, 0 deletions

diff --git a/src/log.h b/src/log.h
new file mode 100644
index 0000000..cde20ac
--- /dev/null
+++ b/src/log.h
@@ -0,0 +1,82 @@
+/*
+ *  tcpproxy
+ *
+ *  tcpproxy is a simple tcp connection proxy which combines the 
+ *  features of rinetd and 6tunnel. tcpproxy supports IPv4 and 
+ *  IPv6 and also supports connections from IPv6 to IPv4 
+ *  endpoints and vice versa.
+ *  
+ *
+ *  Copyright (C) 2010-2011 Christian Pointner <equinox@spreadspace.org>
+ *                         
+ *  This file is part of tcpproxy.
+ *
+ *  tcpproxy 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 3 of the License, or
+ *  any later version.
+ *
+ *  tcpproxy 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 tcpproxy. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TCPPROXY_log_h_INCLUDED
+#define TCPPROXY_log_h_INCLUDED
+
+#define MSG_LENGTH_MAX 1024
+
+enum log_prio_enum { ERROR = 1, WARNING = 2, NOTICE = 3,
+                     INFO = 4, DEBUG = 5 };
+typedef enum log_prio_enum log_prio_t;
+
+const char* log_prio_to_string(log_prio_t prio);
+
+enum log_target_type_enum { TARGET_SYSLOG , TARGET_STDOUT, TARGET_STDERR, TARGET_FILE , TARGET_UNKNOWN };
+typedef enum log_target_type_enum log_target_type_t;
+
+struct log_target_struct {
+  log_target_type_t type_;
+  int (*init)(struct log_target_struct* self, const char* conf);
+  void (*open)(struct log_target_struct* self);
+  void (*log)(struct log_target_struct* self, log_prio_t prio, const char* msg);
+  void (*close)(struct log_target_struct* self);
+  void (*clear)(struct log_target_struct* self);
+  int opened_;
+  int enabled_;
+  log_prio_t max_prio_;
+  void* param_;
+  struct log_target_struct* next_;
+};
+typedef struct log_target_struct log_target_t;
+
+
+struct log_targets_struct {
+  log_target_t* first_;
+};
+typedef struct log_targets_struct log_targets_t;
+
+int log_targets_target_exists(log_targets_t* targets, log_target_type_t type);
+int log_targets_add(log_targets_t* targets, const char* conf);
+void log_targets_log(log_targets_t* targets, log_prio_t prio, const char* msg);
+void log_targets_clear(log_targets_t* targets);
+
+
+struct log_struct {
+  log_prio_t max_prio_;
+  log_targets_t targets_;
+};
+typedef struct log_struct log_t;
+
+void log_init();
+void log_close();
+void update_max_prio();
+int log_add_target(const char* conf);
+void log_printf(log_prio_t prio, const char* fmt, ...);
+void log_print_hex_dump(log_prio_t prio, const uint8_t* buf, uint32_t len);
+
+#endif