ceph/src/jaegertracing/opentelemetry-cpp/third_party/prometheus-cpp/3rdparty/civetweb/src/third_party/duktape-1.8.0/examples/debug-trans-dvalue/duk_trans_dvalue.h

   1 #ifndef DUK_TRANS_DVALUE_H_INCLUDED
   2 #define DUK_TRANS_DVALUE_H_INCLUDED
   3
   4 #include "duktape.h"
   5
   6 typedef struct duk_dvalue duk_dvalue;
   7 typedef struct duk_trans_buffer duk_trans_buffer;
   8 typedef struct duk_trans_dvalue_ctx duk_trans_dvalue_ctx;
   9
  10 typedef void (*duk_trans_dvalue_received_function)(duk_trans_dvalue_ctx *ctx, duk_dvalue *dv);
  11 typedef void (*duk_trans_dvalue_cooperate_function)(duk_trans_dvalue_ctx *ctx, int block);
  12 typedef void (*duk_trans_dvalue_handshake_function)(duk_trans_dvalue_ctx *ctx, const char *handshake_line);
  13 typedef void (*duk_trans_dvalue_detached_function)(duk_trans_dvalue_ctx *ctx);
  14
  15 /* struct duk_dvalue 'tag' values, note that these have nothing to do with
  16  * Duktape debug protocol inital byte.  Struct fields used with the type
  17  * are noted next to the define.
  18  */
  19 #define DUK_DVALUE_EOM         1   /* no fields */
  20 #define DUK_DVALUE_REQ         2   /* no fields */
  21 #define DUK_DVALUE_REP         3   /* no fields */
  22 #define DUK_DVALUE_ERR         4   /* no fields */
  23 #define DUK_DVALUE_NFY         5   /* no fields */
  24 #define DUK_DVALUE_INTEGER     6   /* i: 32-bit signed integer */
  25 #define DUK_DVALUE_STRING      7   /* buf: string data, len: string length */
  26 #define DUK_DVALUE_BUFFER      8   /* buf: buffer data, len: buffer length */
  27 #define DUK_DVALUE_UNUSED      9   /* no fields */
  28 #define DUK_DVALUE_UNDEFINED   10  /* no fields */
  29 #define DUK_DVALUE_NULL        11  /* no fields */
  30 #define DUK_DVALUE_TRUE        12  /* no fields */
  31 #define DUK_DVALUE_FALSE       13  /* no fields */
  32 #define DUK_DVALUE_NUMBER      14  /* d: ieee double */
  33 #define DUK_DVALUE_OBJECT      15  /* i: class number, buf: pointer data, len: pointer length */
  34 #define DUK_DVALUE_POINTER     16  /* buf: pointer data, len: pointer length */
  35 #define DUK_DVALUE_LIGHTFUNC   17  /* i: lightfunc flags, buf: pointer data, len: pointer length */
  36 #define DUK_DVALUE_HEAPPTR     18  /* buf: pointer data, len: pointer length */
  37
  38 struct duk_dvalue {
  39         /* Could use a union for the value but the gain would be relatively small. */
  40         int tag;
  41         int i;
  42         double d;
  43         size_t len;
  44         unsigned char *buf;
  45 };
  46
  47 struct duk_trans_buffer {
  48         unsigned char *base;
  49         size_t write_offset;
  50         size_t read_offset;
  51         size_t alloc_size;
  52 };
  53
  54 struct duk_trans_dvalue_ctx {
  55         duk_trans_dvalue_received_function received;
  56         duk_trans_dvalue_cooperate_function cooperate;
  57         duk_trans_dvalue_handshake_function handshake;
  58         duk_trans_dvalue_detached_function detached;
  59         duk_trans_buffer send_buf;  /* sending towards Duktape (duktape read callback) */
  60         duk_trans_buffer recv_buf;  /* receiving from Duktape (duktape write callback) */
  61         int handshake_done;
  62         int double_byteorder;  /* 0=little endian, 1=big endian, 2=mixed endian */
  63 };
  64
  65 /* Buffer size needed by duk_dvalue_to_string(). */
  66 #define DUK_DVALUE_TOSTRING_BUFLEN 256
  67
  68 /* Dvalue handling. */
  69 duk_dvalue *duk_dvalue_alloc(void);
  70 void duk_dvalue_free(duk_dvalue *dv);
  71 void duk_dvalue_to_string(duk_dvalue *dv, char *buf);
  72 duk_dvalue *duk_dvalue_make_tag(int tag);
  73 duk_dvalue *duk_dvalue_make_tag_int(int tag, int intval);
  74 duk_dvalue *duk_dvalue_make_tag_double(int tag, double dblval);
  75 duk_dvalue *duk_dvalue_make_tag_data(int tag, const char *buf, size_t len);
  76 duk_dvalue *duk_dvalue_make_tag_int_data(int tag, int intval, const char *buf, size_t len);
  77
  78 /* Initializing and freeing the transport context. */
  79 duk_trans_dvalue_ctx *duk_trans_dvalue_init(void);
  80 void duk_trans_dvalue_free(duk_trans_dvalue_ctx *ctx);
  81
  82 /* Sending dvalues towards Duktape. */
  83 void duk_trans_dvalue_send(duk_trans_dvalue_ctx *ctx, duk_dvalue *dv);
  84 void duk_trans_dvalue_send_eom(duk_trans_dvalue_ctx *ctx);
  85 void duk_trans_dvalue_send_req(duk_trans_dvalue_ctx *ctx);
  86 void duk_trans_dvalue_send_rep(duk_trans_dvalue_ctx *ctx);
  87 void duk_trans_dvalue_send_err(duk_trans_dvalue_ctx *ctx);
  88 void duk_trans_dvalue_send_nfy(duk_trans_dvalue_ctx *ctx);
  89 void duk_trans_dvalue_send_integer(duk_trans_dvalue_ctx *ctx, int val);
  90 void duk_trans_dvalue_send_string(duk_trans_dvalue_ctx *ctx, const char *str);
  91 void duk_trans_dvalue_send_lstring(duk_trans_dvalue_ctx *ctx, const char *str, size_t len);
  92 void duk_trans_dvalue_send_buffer(duk_trans_dvalue_ctx *ctx, const char *buf, size_t len);
  93 void duk_trans_dvalue_send_unused(duk_trans_dvalue_ctx *ctx);
  94 void duk_trans_dvalue_send_undefined(duk_trans_dvalue_ctx *ctx);
  95 void duk_trans_dvalue_send_null(duk_trans_dvalue_ctx *ctx);
  96 void duk_trans_dvalue_send_true(duk_trans_dvalue_ctx *ctx);
  97 void duk_trans_dvalue_send_false(duk_trans_dvalue_ctx *ctx);
  98 void duk_trans_dvalue_send_number(duk_trans_dvalue_ctx *ctx, double val);
  99 void duk_trans_dvalue_send_object(duk_trans_dvalue_ctx *ctx, int classnum, const char *ptr_data, size_t ptr_len);
 100 void duk_trans_dvalue_send_pointer(duk_trans_dvalue_ctx *ctx, const char *ptr_data, size_t ptr_len);
 101 void duk_trans_dvalue_send_lightfunc(duk_trans_dvalue_ctx *ctx, int lf_flags, const char *ptr_data, size_t ptr_len);
 102 void duk_trans_dvalue_send_heapptr(duk_trans_dvalue_ctx *ctx, const char *ptr_data, size_t ptr_len);
 103 void duk_trans_dvalue_send_req_cmd(duk_trans_dvalue_ctx *ctx, int cmd);
 104
 105 /* Duktape debug callbacks provided by the transport. */
 106 duk_size_t duk_trans_dvalue_read_cb(void *udata, char *buffer, duk_size_t length);
 107 duk_size_t duk_trans_dvalue_write_cb(void *udata, const char *buffer, duk_size_t length);
 108 duk_size_t duk_trans_dvalue_peek_cb(void *udata);
 109 void duk_trans_dvalue_read_flush_cb(void *udata);
 110 void duk_trans_dvalue_write_flush_cb(void *udata);
 111 void duk_trans_dvalue_detached_cb(void *udata);
 112
 113 #endif  /* DUK_TRANS_DVALUE_H_INCLUDED */