/ffi/ares.lua
Lua | 245 lines | 224 code | 21 blank | 0 comment | 0 complexity | 76da87519c30a8f32c69753e347bf0ec MD5 | raw file
Possible License(s): MIT, GPL-3.0, LGPL-3.0, BSD-2-Clause, BSD-3-Clause, Apache-2.0, LGPL-2.1, MPL-2.0-no-copyleft-exception
- enum {
- ARES_VERSION_MAJOR = 1,
- ARES_VERSION_MINOR = 7,
- ARES_VERSION_PATCH = 5,
- ARES_VERSION = (ARES_VERSION_MAJOR<<16) | (ARES_VERSION_MINOR<<8) | (ARES_VERSION_PATCH)
- // ARES_COPYRIGHT = "2004 - 2010 Daniel Stenberg, <daniel@haxx.se>."
- // ARES_VERSION_STR = "1.7.5-DEV"
- ARES_SUCCESS 0
- ARES_ENODATA 1
- ARES_EFORMERR 2
- ARES_ESERVFAIL 3
- ARES_ENOTFOUND 4
- ARES_ENOTIMP 5
- ARES_EREFUSED 6
- ARES_EBADQUERY 7
- ARES_EBADNAME 8
- ARES_EBADFAMILY 9
- ARES_EBADRESP 10
- ARES_ECONNREFUSED 11
- ARES_ETIMEOUT 12
- ARES_EOF 13
- ARES_EFILE 14
- ARES_ENOMEM 15
- ARES_EDESTRUCTION 16
- ARES_EBADSTR 17
- ARES_EBADFLAGS 18
- ARES_ENONAME 19
- ARES_EBADHINTS 20
- ARES_ENOTINITIALIZED 21 /* introduced in 1.7.0 */
- ARES_ELOADIPHLPAPI 22 /* introduced in 1.7.0 */
- ARES_EADDRGETNETWORKPARAMS 23 /* introduced in 1.7.0 */
- ARES_ECANCELLED 24 /* introduced in 1.7.0 */
- ARES_FLAG_USEVC (1 << 0)
- ARES_FLAG_PRIMARY (1 << 1)
- ARES_FLAG_IGNTC (1 << 2)
- ARES_FLAG_NORECURSE (1 << 3)
- ARES_FLAG_STAYOPEN (1 << 4)
- ARES_FLAG_NOSEARCH (1 << 5)
- ARES_FLAG_NOALIASES (1 << 6)
- ARES_FLAG_NOCHECKRESP (1 << 7)
- ARES_OPT_FLAGS (1 << 0)
- ARES_OPT_TIMEOUT (1 << 1)
- ARES_OPT_TRIES (1 << 2)
- ARES_OPT_NDOTS (1 << 3)
- ARES_OPT_UDP_PORT (1 << 4)
- ARES_OPT_TCP_PORT (1 << 5)
- ARES_OPT_SERVERS (1 << 6)
- ARES_OPT_DOMAINS (1 << 7)
- ARES_OPT_LOOKUPS (1 << 8)
- ARES_OPT_SOCK_STATE_CB (1 << 9)
- ARES_OPT_SORTLIST (1 << 10)
- ARES_OPT_SOCK_SNDBUF (1 << 11)
- ARES_OPT_SOCK_RCVBUF (1 << 12)
- ARES_OPT_TIMEOUTMS (1 << 13)
- ARES_OPT_ROTATE (1 << 14)
- ARES_NI_NOFQDN (1 << 0)
- ARES_NI_NUMERICHOST (1 << 1)
- ARES_NI_NAMEREQD (1 << 2)
- ARES_NI_NUMERICSERV (1 << 3)
- ARES_NI_DGRAM (1 << 4)
- ARES_NI_TCP 0
- ARES_NI_UDP ARES_NI_DGRAM
- ARES_NI_SCTP (1 << 5)
- ARES_NI_DCCP (1 << 6)
- ARES_NI_NUMERICSCOPE (1 << 7)
- ARES_NI_LOOKUPHOST (1 << 8)
- ARES_NI_LOOKUPSERVICE (1 << 9)
- ARES_NI_IDN (1 << 10)
- ARES_NI_IDN_ALLOW_UNASSIGNED (1 << 11)
- ARES_NI_IDN_USE_STD3_ASCII_RULES (1 << 12)
- ARES_AI_CANONNAME (1 << 0)
- ARES_AI_NUMERICHOST (1 << 1)
- ARES_AI_PASSIVE (1 << 2)
- ARES_AI_NUMERICSERV (1 << 3)
- ARES_AI_V4MAPPED (1 << 4)
- ARES_AI_ALL (1 << 5)
- ARES_AI_ADDRCONFIG (1 << 6)
- ARES_AI_IDN (1 << 10)
- ARES_AI_IDN_ALLOW_UNASSIGNED (1 << 11)
- ARES_AI_IDN_USE_STD3_ASCII_RULES (1 << 12)
- ARES_AI_CANONIDN (1 << 13)
- ARES_AI_MASK (ARES_AI_CANONNAME|ARES_AI_NUMERICHOST|ARES_AI_PASSIVE| \
- ARES_AI_NUMERICSERV|ARES_AI_V4MAPPED|ARES_AI_ALL| \
- ARES_AI_ADDRCONFIG)
- ARES_GETSOCK_MAXNUM 16 /* ares_getsock() can return info about this
- many sockets */
- ARES_GETSOCK_READABLE(bits,num) (bits & (1<< (num)))
- ARES_GETSOCK_WRITABLE(bits,num) (bits & (1 << ((num) + \
- ARES_GETSOCK_MAXNUM)))
- ARES_LIB_INIT_NONE (0)
- ARES_LIB_INIT_WIN32 (1 << 0)
- ARES_LIB_INIT_ALL (ARES_LIB_INIT_WIN32)
- }
- /*
- * Typedef our socket type
- */
- #ifndef ares_socket_typedef
- #ifdef WIN32
- typedef SOCKET ares_socket_t;
- ARES_SOCKET_BAD INVALID_SOCKET
- #else
- typedef int ares_socket_t;
- ARES_SOCKET_BAD -1
- #endif
- ares_socket_typedef
- #endif /* ares_socket_typedef */
- typedef void (*ares_sock_state_cb)(void *data,
- ares_socket_t socket_fd,
- int readable,
- int writable);
- struct apattern;
- typedef struct ares_options {
- int flags;
- int timeout; /* in seconds or milliseconds, depending on options */
- int tries;
- int ndots;
- unsigned short udp_port;
- unsigned short tcp_port;
- int socket_send_buffer_size;
- int socket_receive_buffer_size;
- struct in_addr *servers;
- int nservers;
- char **domains;
- int ndomains;
- char *lookups;
- ares_sock_state_cb sock_state_cb;
- void *sock_state_cb_data;
- struct apattern *sortlist;
- int nsort;
- } ares_options;
- struct hostent;
- struct timeval;
- struct sockaddr;
- struct ares_channeldata;
- typedef struct ares_channeldata *ares_channel;
- typedef void (* ares_callback )( void *arg, int status, int timeouts, unsigned char *abuf, int alen);
- typedef void (* ares_host_callback )( void *arg, int status, int timeouts, struct hostent *hostent);
- typedef void (* ares_nameinfo_callback )( void *arg, int status, int timeouts, char *node, char *service);
- typedef int (* ares_sock_create_callback )( ares_socket_t socket_fd, int type, void *data);
- struct ares_in6_addr {
- union {
- unsigned char _S6_u8[16];
- } _S6_un;
- };
- struct ares_addrttl {
- struct in_addr ipaddr;
- int ttl;
- };
- typedef struct ares_addr6ttl {
- struct ares_in6_addr ip6addr;
- int ttl;
- } ares_addr6ttl;
- typedef struct ares_srv_reply {
- struct ares_srv_reply *next;
- char *host;
- unsigned short priority;
- unsigned short weight;
- unsigned short port;
- } ares_srv_reply;
- typedef struct ares_mx_reply {
- struct ares_mx_reply *next;
- char *host;
- unsigned short priority;
- } ares_mx_reply;
- typedef struct {
- struct ares_txt_reply *next;
- unsigned char *txt;
- size_t length; /* length excludes null termination */
- } arex_txt_reply;
- /* TODO: Hold port here as well. */
- struct ares_addr_node {
- struct ares_addr_node *next;
- int family;
- union {
- struct in_addr addr4;
- struct ares_in6_addr addr6;
- } addr;
- };
- typedef struct ares_timeval {
- int balh;
- } ares_timeval;
- int ares_library_init( int flags );
- void ares_library_cleanup( );
- const char* ares_version( int* version );
- int ares_init( ares_channel* );
- int ares_init_options( ares_channel*, ares_options* options, int optmask );
- int ares_save_options( ares_channel, ares_options* options, int* optmask );
- void ares_destroy_options( ares_options* options );
- int ares_dup( ares_channel*, ares_channel src );
- void ares_destroy( ares_channel );
- void ares_cancel( ares_channel );
- void ares_set_local_ip4( ares_channel, unsigned int local_ip );
- void ares_set_local_ip6( ares_channel, const unsigned char* local_ip6 );
- void ares_set_local_dev( ares_channel, const char* local_dev_name);
- void ares_set_socket_callback( ares_channel, ares_sock_create_callback callback, void *user_data );
- void ares_send( ares_channel, const unsigned char *qbuf, int qlen, ares_callback callback, void *arg );
- void ares_query( ares_channel, const char *name, int dnsclass, int type, ares_callback callback, void *arg );
- void ares_search( ares_channel, const char *name, int dnsclass, int type, ares_callback callback, void *arg);
- void ares_gethostbyname( ares_channel, const char *name, int family, ares_host_callback callback, void *arg );
- int ares_gethostbyname_file( ares_channel, const char *name, int family, struct hostent **host );
- void ares_gethostbyaddr( ares_channel, const void *addr, int addrlen, int family, ares_host_callback callback, void *arg);
- void ares_getnameinfo( ares_channel, const struct sockaddr *sa, ares_socklen_t salen, int flags, ares_nameinfo_callback callback, void *arg);
- int ares_fds( ares_channel, fd_set *read_fds, fd_set *write_fds );
- int ares_getsock( ares_channel, ares_socket_t *socks, int numsocks );
- ares_timeval* ares_timeout( ares_channel, ares_timeval* maxtv, ares_timeval* tv );
- void ares_process( ares_channel, fd_set *read_fds, fd_set *write_fds );
- void ares_process_fd( ares_channel, ares_socket_t read_fd, ares_socket_t write_fd );
- int ares_mkquery( const char *name, int dnsclass, int type, unsigned short id, int rd, unsigned char **buf, int *buflen );
- int ares_expand_name( const unsigned char *encoded, const unsigned char *abuf, int alen, char **s, long *enclen );
- int ares_expand_string( const unsigned char *encoded, const unsigned char *abuf, int alen, unsigned char **s, long *enclen );
- int ares_parse_a_reply( const unsigned char *abuf, int alen, struct hostent **host, struct ares_addrttl *addrttls, int *naddrttls );
- int ares_parse_aaaa_reply( const unsigned char *abuf, int alen, struct hostent **host, struct ares_addr6ttl *addrttls, int *naddrttls );
- int ares_parse_ptr_reply( const unsigned char *abuf, int alen, const void *addr, int addrlen, int family, struct hostent **host );
- int ares_parse_ns_reply( const unsigned char *abuf, int alen, struct hostent **host );
- int ares_parse_srv_reply( const unsigned char* abuf, int alen, struct ares_srv_reply** srv_out );
- int ares_parse_mx_reply( const unsigned char* abuf, int alen, struct ares_mx_reply** mx_out );
- int ares_parse_txt_reply( const unsigned char* abuf, int alen, struct ares_txt_reply** txt_out );
- void ares_free_string( void* str );
- void ares_free_hostent( struct hostent* host );
- void ares_free_data( void* dataptr );
- const char* ares_strerror( int code );
- int ares_set_servers( ares_channel, struct ares_addr_node *servers );
- int ares_set_servers_csv( ares_channel, const char* servers );
- int ares_get_servers( ares_channel, struct ares_addr_node **servers );