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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 unsigned char calltoken;
00078 unsigned char *calltokendata;
00079 };
00080
00081 #define DIRECTION_INGRESS 1
00082 #define DIRECTION_OUTGRESS 2
00083
00084 struct iax_frame {
00085 #ifdef LIBIAX
00086 struct iax_session *session;
00087 struct iax_event *event;
00088 #else
00089 int sockfd;
00090 #endif
00091
00092
00093 unsigned short callno;
00094
00095 unsigned short dcallno;
00096
00097 void *data;
00098
00099 int datalen;
00100
00101 int retries;
00102
00103 unsigned int ts;
00104
00105 int retrytime;
00106
00107 unsigned int outoforder:1;
00108
00109 unsigned int sentyet:1;
00110
00111 unsigned int transfer:1;
00112
00113 unsigned int final:1;
00114
00115 unsigned int direction:2;
00116
00117 unsigned int cacheable:1;
00118
00119 int oseqno;
00120
00121 int iseqno;
00122
00123 int retrans;
00124
00125 int encmethods;
00126
00127 aes_encrypt_ctx ecx;
00128
00129 aes_decrypt_ctx mydcx;
00130
00131 unsigned char semirand[32];
00132
00133 AST_LIST_ENTRY(iax_frame) list;
00134
00135 struct ast_frame af;
00136
00137 size_t afdatalen;
00138 unsigned char unused[AST_FRIENDLY_OFFSET];
00139 unsigned char afdata[0];
00140 };
00141
00142 struct iax_ie_data {
00143 unsigned char buf[1024];
00144 int pos;
00145 };
00146
00147
00148 void iax_set_output(void (*output)(const char *data));
00149
00150 void iax_set_error(void (*output)(const char *data));
00151 void iax_showframe(struct iax_frame *f, struct ast_iax2_full_hdr *fhi, int rx, struct sockaddr_in *sin, int datalen);
00152 void iax_frame_subclass2str(int subclass, char *str, size_t len);
00153
00154 const char *iax_ie2str(int ie);
00155
00156 int iax_ie_append_raw(struct iax_ie_data *ied, unsigned char ie, const void *data, int datalen);
00157 int iax_ie_append_addr(struct iax_ie_data *ied, unsigned char ie, const struct sockaddr_in *sin);
00158 int iax_ie_append_int(struct iax_ie_data *ied, unsigned char ie, unsigned int value);
00159 int iax_ie_append_short(struct iax_ie_data *ied, unsigned char ie, unsigned short value);
00160 int iax_ie_append_str(struct iax_ie_data *ied, unsigned char ie, const char *str);
00161 int iax_ie_append_byte(struct iax_ie_data *ied, unsigned char ie, unsigned char dat);
00162 int iax_ie_append(struct iax_ie_data *ied, unsigned char ie);
00163 int iax_parse_ies(struct iax_ies *ies, unsigned char *data, int datalen);
00164
00165 int iax_get_frames(void);
00166 int iax_get_iframes(void);
00167 int iax_get_oframes(void);
00168
00169 void iax_frame_wrap(struct iax_frame *fr, struct ast_frame *f);
00170 struct iax_frame *iax_frame_new(int direction, int datalen, unsigned int cacheable);
00171 void iax_frame_free(struct iax_frame *fr);
00172 #endif