Doxygen updates
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@7814 f38db490-d61c-443f-a65b-d21fe96a405b
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dns.c
59
dns.c
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@ -1,7 +1,7 @@
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/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005 Thorsten Lockert
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* Copyright (C) 1999 - 2006 Thorsten Lockert
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*
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* Written by Thorsten Lockert <tholo@trollphone.org>
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*
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@ -44,40 +44,40 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#define MAX_SIZE 4096
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typedef struct {
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unsigned id :16; /* query identification number */
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unsigned id :16; /*!< query identification number */
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#if __BYTE_ORDER == __BIG_ENDIAN
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/* fields in third byte */
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unsigned qr: 1; /* response flag */
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unsigned opcode: 4; /* purpose of message */
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unsigned aa: 1; /* authoritive answer */
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unsigned tc: 1; /* truncated message */
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unsigned rd: 1; /* recursion desired */
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unsigned qr: 1; /*!< response flag */
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unsigned opcode: 4; /*!< purpose of message */
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unsigned aa: 1; /*!< authoritive answer */
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unsigned tc: 1; /*!< truncated message */
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unsigned rd: 1; /*!< recursion desired */
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/* fields in fourth byte */
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unsigned ra: 1; /* recursion available */
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unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
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unsigned ad: 1; /* authentic data from named */
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unsigned cd: 1; /* checking disabled by resolver */
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unsigned rcode :4; /* response code */
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unsigned ra: 1; /*!< recursion available */
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unsigned unused :1; /*!< unused bits (MBZ as of 4.9.3a3) */
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unsigned ad: 1; /*!< authentic data from named */
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unsigned cd: 1; /*!< checking disabled by resolver */
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unsigned rcode :4; /*!< response code */
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#endif
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#if __BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __PDP_ENDIAN
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/* fields in third byte */
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unsigned rd :1; /* recursion desired */
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unsigned tc :1; /* truncated message */
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unsigned aa :1; /* authoritive answer */
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unsigned opcode :4; /* purpose of message */
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unsigned qr :1; /* response flag */
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unsigned rd :1; /*!< recursion desired */
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unsigned tc :1; /*!< truncated message */
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unsigned aa :1; /*!< authoritive answer */
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unsigned opcode :4; /*!< purpose of message */
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unsigned qr :1; /*!< response flag */
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/* fields in fourth byte */
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unsigned rcode :4; /* response code */
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unsigned cd: 1; /* checking disabled by resolver */
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unsigned ad: 1; /* authentic data from named */
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unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
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unsigned ra :1; /* recursion available */
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unsigned rcode :4; /*!< response code */
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unsigned cd: 1; /*!< checking disabled by resolver */
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unsigned ad: 1; /*!< authentic data from named */
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unsigned unused :1; /*!< unused bits (MBZ as of 4.9.3a3) */
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unsigned ra :1; /*!< recursion available */
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#endif
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/* remaining bytes */
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unsigned qdcount :16; /* number of question entries */
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unsigned ancount :16; /* number of answer entries */
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unsigned nscount :16; /* number of authority entries */
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unsigned arcount :16; /* number of resource entries */
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unsigned qdcount :16; /*!< number of question entries */
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unsigned ancount :16; /*!< number of answer entries */
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unsigned nscount :16; /*!< number of authority entries */
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unsigned arcount :16; /*!< number of resource entries */
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} dns_HEADER;
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struct dn_answer {
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@ -110,7 +110,7 @@ static int skip_name(char *s, int len)
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return x;
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}
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/*--- dns_parse_answer: Parse DNS lookup result, call callback */
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/*! \brief Parse DNS lookup result, call callback */
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static int dns_parse_answer(void *context,
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int class, int type, char *answer, int len,
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int (*callback)(void *context, char *answer, int len, char *fullanswer))
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@ -182,7 +182,10 @@ AST_MUTEX_DEFINE_STATIC(res_lock);
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#endif
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#endif
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/*--- ast_search_dns: Lookup record in DNS */
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/*! \brief Lookup record in DNS
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\note Asterisk DNS is synchronus at this time. This means that if your DNS does
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not work properly, Asterisk might not start properly or a channel may lock.
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*/
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int ast_search_dns(void *context,
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const char *dname, int class, int type,
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int (*callback)(void *context, char *answer, int len, char *fullanswer))
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@ -26,12 +26,14 @@
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struct ast_channel;
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/*! \brief Perform DNS lookup (used by enum and SRV lookups)
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/*! \brief Perform DNS lookup (used by DNS, enum and SRV lookups)
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\param context
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\param dname Domain name to lookup (host, SRV domain, TXT record name)
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\param class Record Class (see "man res_search")
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\param type Record type (see "man res_search")
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\param callback Callback function for handling DNS result
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\note Asterisk DNS is synchronus at this time. This means that if your DNS
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services does not work, Asterisk may lock while waiting for response.
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*/
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extern int ast_search_dns(void *context, const char *dname, int class, int type,
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int (*callback)(void *context, char *answer, int len, char *fullanswer));
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