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00018 #ifndef _IAX2_PARSER_H
00019 #define _IAX2_PARSER_H
00020
00021 #include "asterisk/linkedlists.h"
00022 #include "asterisk/aes.h"
00023
00024 struct iax_ies {
00025 char *called_number;
00026 char *calling_number;
00027 char *calling_ani;
00028 char *calling_name;
00029 int calling_ton;
00030 int calling_tns;
00031 int calling_pres;
00032 char *called_context;
00033 char *username;
00034 char *password;
00035 unsigned int capability;
00036 unsigned int format;
00037 char *codec_prefs;
00038 char *language;
00039 int version;
00040 unsigned short adsicpe;
00041 char *dnid;
00042 char *rdnis;
00043 unsigned int authmethods;
00044 unsigned int encmethods;
00045 char *challenge;
00046 char *md5_result;
00047 char *rsa_result;
00048 struct sockaddr_in *apparent_addr;
00049 unsigned short refresh;
00050 unsigned short dpstatus;
00051 unsigned short callno;
00052 char *cause;
00053 unsigned char causecode;
00054 unsigned char iax_unknown;
00055 int msgcount;
00056 int autoanswer;
00057 int musiconhold;
00058 unsigned int transferid;
00059 unsigned int datetime;
00060 char *devicetype;
00061 char *serviceident;
00062 int firmwarever;
00063 unsigned int fwdesc;
00064 unsigned char *fwdata;
00065 unsigned char fwdatalen;
00066 unsigned char *enckey;
00067 unsigned char enckeylen;
00068 unsigned int provver;
00069 unsigned short samprate;
00070 int provverpres;
00071 unsigned int rr_jitter;
00072 unsigned int rr_loss;
00073 unsigned int rr_pkts;
00074 unsigned short rr_delay;
00075 unsigned int rr_dropped;
00076 unsigned int rr_ooo;
00077 struct ast_variable *vars;
00078 char *osptokenblock[IAX_MAX_OSPBLOCK_NUM];
00079 unsigned int ospblocklength[IAX_MAX_OSPBLOCK_NUM];
00080 };
00081
00082 #define DIRECTION_INGRESS 1
00083 #define DIRECTION_OUTGRESS 2
00084
00085 struct iax_frame {
00086 #ifdef LIBIAX
00087 struct iax_session *session;
00088 struct iax_event *event;
00089 #else
00090 int sockfd;
00091 #endif
00092
00093
00094 unsigned short callno;
00095
00096 unsigned short dcallno;
00097
00098 void *data;
00099
00100 int datalen;
00101
00102 int retries;
00103
00104 unsigned int ts;
00105
00106 int retrytime;
00107
00108 unsigned int outoforder:1;
00109
00110 unsigned int sentyet:1;
00111
00112 unsigned int transfer:1;
00113
00114 unsigned int final:1;
00115
00116 unsigned int direction:2;
00117
00118 unsigned int cacheable:1;
00119
00120 int oseqno;
00121
00122 int iseqno;
00123
00124 int retrans;
00125
00126 int encmethods;
00127
00128 ast_aes_encrypt_key ecx;
00129
00130 ast_aes_decrypt_key mydcx;
00131
00132 unsigned char semirand[32];
00133
00134 AST_LIST_ENTRY(iax_frame) list;
00135
00136 struct ast_frame af;
00137
00138 size_t afdatalen;
00139 unsigned char unused[AST_FRIENDLY_OFFSET];
00140 unsigned char afdata[0];
00141 };
00142
00143 struct iax_ie_data {
00144 unsigned char buf[1024];
00145 int pos;
00146 };
00147
00148
00149 void iax_set_output(void (*output)(const char *data));
00150
00151 void iax_set_error(void (*output)(const char *data));
00152 void iax_showframe(struct iax_frame *f, struct ast_iax2_full_hdr *fhi, int rx, struct sockaddr_in *sin, int datalen);
00153 void iax_frame_subclass2str(enum iax_frame_subclass subclass, char *str, size_t len);
00154
00155 const char *iax_ie2str(int ie);
00156
00157 int iax_ie_append_raw(struct iax_ie_data *ied, unsigned char ie, const void *data, int datalen);
00158 int iax_ie_append_addr(struct iax_ie_data *ied, unsigned char ie, const struct sockaddr_in *sin);
00159 int iax_ie_append_int(struct iax_ie_data *ied, unsigned char ie, unsigned int value);
00160 int iax_ie_append_short(struct iax_ie_data *ied, unsigned char ie, unsigned short value);
00161 int iax_ie_append_str(struct iax_ie_data *ied, unsigned char ie, const char *str);
00162 int iax_ie_append_byte(struct iax_ie_data *ied, unsigned char ie, unsigned char dat);
00163 int iax_ie_append(struct iax_ie_data *ied, unsigned char ie);
00164 int iax_parse_ies(struct iax_ies *ies, unsigned char *data, int datalen);
00165
00166 int iax_get_frames(void);
00167 int iax_get_iframes(void);
00168 int iax_get_oframes(void);
00169
00170 void iax_frame_wrap(struct iax_frame *fr, struct ast_frame *f);
00171 struct iax_frame *iax_frame_new(int direction, int datalen, unsigned int cacheable);
00172 void iax_frame_free(struct iax_frame *fr);
00173 #endif