Module: sip-router
Branch: master
Commit: 7e4dc04b9ac5c4046388974b7135186f173dee9c
URL:
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=7e4dc04…
Author: Henning Westerholt <henning.westerholt(a)1und1.de>
Committer: Henning Westerholt <henning.westerholt(a)1und1.de>
Date: Mon Jul 4 23:43:00 2011 +0200
tm: add doxygen docs to callid.[c,h]
---
modules/tm/callid.c | 45 ++++++++++++++++++++++++++-------------------
modules/tm/callid.h | 24 ++++++++++++++----------
2 files changed, 40 insertions(+), 29 deletions(-)
diff --git a/modules/tm/callid.c b/modules/tm/callid.c
index a6d1aec..5000ef4 100644
--- a/modules/tm/callid.c
+++ b/modules/tm/callid.c
@@ -1,8 +1,4 @@
/*
- * $Id$
- *
- * Fast Call-ID Generator
- *
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of SIP-router, a free SIP server.
@@ -30,6 +26,11 @@
/*!
* \file
* \brief TM :: Fast Call-ID generator
+ *
+ * Fast Call-ID generator. The Call-ID has the following form:
<callid_nr>-<pid>@<ip>
+ * - callid_nr is initialized as a random number and continually increases
+ * - <pid>@<ip> is kept in callid_suffix
+ * - both are separated by a '-'
* \ingroup tm
*/
@@ -40,21 +41,22 @@
#include "../../socket_info.h"
#include "callid.h"
+/**
+ * \brief Length of a Call-ID in TM
+ */
#define CALLID_NR_LEN 20
-/* Call-ID has the following form: <callid_nr>-<pid>@<ip>
- * callid_nr is initialized as a random number and continually
- * increases; -<pid>@<ip> is kept in callid_suffix
+/**
+ * \brief Length of the Call-ID suffix
*/
#define CALLID_SUFFIX_LEN ( 1 /* - */ + \
5 /* pid */ + \
42 /* embedded v4inv6 address can be looong '128.' */
+ \
- 2 /* parenthesis [] */ + \
+ 2 /* parenthesis [] */ + \
1 /* ZT 0 */ + \
16 /* one never knows ;-) */ \
)
-#define CID_SEP '-' /* the character which separates random from constant part
*/
static unsigned long callid_nr;
static char callid_buf[CALLID_NR_LEN + CALLID_SUFFIX_LEN];
@@ -63,8 +65,9 @@ str callid_prefix;
str callid_suffix;
-/*
- * Initialize the Call-ID generator -- generates random prefix
+/**
+ * \brief Initialize the Call-ID generator, generates random prefix
+ * \param 0 on success, -1 on error
*/
int init_callid(void)
{
@@ -104,8 +107,10 @@ int init_callid(void)
}
-/*
- * Child initialization -- generates suffix
+/**
+ * \brief Child initialization, generates suffix
+ * \param rank not used
+ * \param 0 on success, -1 on error
*/
int child_init_callid(int rank)
{
@@ -121,7 +126,7 @@ int child_init_callid(int rank)
callid_suffix.s = callid_buf + callid_prefix.len;
callid_suffix.len = snprintf(callid_suffix.s, CALLID_SUFFIX_LEN,
- "%c%d(a)%.*s"%.*s", CID_SEP, my_pid(),
+ "%c%d(a)%.*s"%.*s", '-', my_pid(),
si->address_str.len,
si->address_str.s);
if ((callid_suffix.len == -1) || (callid_suffix.len > CALLID_SUFFIX_LEN)) {
@@ -134,9 +139,10 @@ int child_init_callid(int rank)
}
-/*
- * Increment a character in hex, return
- * carry flag
+/**
+ * \brief Increment a character in hex, return the carry flag
+ * \param _c input character
+ * \return carry flag
*/
static inline int inc_hexchar(char* _c)
{
@@ -155,8 +161,9 @@ static inline int inc_hexchar(char* _c)
}
-/*
- * Get a unique Call-ID
+/**
+ * \brief Get a unique Call-ID
+ * \param callid returned Call-ID
*/
void generate_callid(str* callid)
{
diff --git a/modules/tm/callid.h b/modules/tm/callid.h
index ae66a34..2582dc1 100644
--- a/modules/tm/callid.h
+++ b/modules/tm/callid.h
@@ -1,8 +1,4 @@
/*
- * $Id$
- *
- * Fast Call-ID Generator
- *
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of SIP-router, a free SIP server.
@@ -39,22 +35,30 @@
#include "../../str.h"
-/*
- * Initialize the Call-ID generator -- generates random prefix
+/**
+ * \brief Initialize the Call-ID generator, generates random prefix
+ * \param 0 on success, -1 on error
*/
int init_callid(void);
-/*
- * Child initialization -- generates suffix
+/**
+ * \brief Child initialization, generates suffix
+ * \param rank not used
+ * \param 0 on success, -1 on error
*/
int child_init_callid(int rank);
+/**
+ * \brief TM API export
+ */
typedef void (*generate_callid_f)(str*);
-/*
- * Get a unique Call-ID
+
+/**
+ * \brief Get a unique Call-ID
+ * \param callid returned Call-ID
*/
void generate_callid(str* callid);