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comparison include/urweb/types_cpp.h @ 1881:a5b08bdfa450

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New header file scheme to support FFI code in either of C or C++ [based on suggestion by Ron de Bruijn]
author Adam Chlipala <adam@chlipala.net>
date Fri, 11 Oct 2013 17:15:28 -0400
parents
children 6745eafff617
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1880:0354df1b6849 1881:a5b08bdfa450
1 #ifndef URWEB_TYPES_CPP_H
2 #define URWEB_TYPES_CPP_H
3
4 #include <time.h>
5 #include <unistd.h>
6 #include <stdint.h>
7
8 typedef long long uw_Basis_int;
9 typedef double uw_Basis_float;
10 typedef char* uw_Basis_string;
11 typedef char uw_Basis_char;
12 typedef struct {
13 time_t seconds;
14 unsigned microseconds;
15 } uw_Basis_time;
16 typedef struct {
17 size_t size;
18 char *data;
19 } uw_Basis_blob;
20
21 typedef int uw_unit;
22 typedef uw_unit uw_Basis_unit;
23
24 typedef enum uw_Basis_bool { uw_Basis_False, uw_Basis_True } uw_Basis_bool;
25
26 typedef uw_Basis_string uw_Basis_xhtml;
27 typedef uw_Basis_string uw_Basis_page;
28 typedef uw_Basis_string uw_Basis_xbody;
29 typedef uw_Basis_string uw_Basis_css_class;
30
31 typedef unsigned uw_Basis_client;
32 typedef struct {
33 unsigned cli, chn;
34 } uw_Basis_channel;
35
36 typedef struct {
37 int context;
38 unsigned long long source;
39 } uw_Basis_source;
40
41 typedef struct uw_Basis_file {
42 uw_Basis_string name, type;
43 uw_Basis_blob data;
44 } uw_Basis_file;
45
46 typedef struct uw_Basis_postBody {
47 uw_Basis_string type, data;
48 size_t len;
49 } uw_Basis_postBody;
50
51 typedef uw_Basis_string uw_Basis_queryString;
52
53 typedef struct {
54 uw_Basis_string name, value, remaining;
55 } uw_Basis_postField;
56
57 typedef enum { SUCCESS, FATAL, BOUNDED_RETRY, UNLIMITED_RETRY, RETURN_INDIRECTLY } failure_kind;
58
59 typedef enum { SERVED, KEEP_OPEN, FAILED } request_result;
60
61 #define INTS_MAX 50
62 #define FLOATS_MAX 100
63 #define TIMES_MAX 100
64
65 typedef void (*uw_callback)(void *);
66 typedef void (*uw_callback_with_retry)(void *, int will_retry);
67 typedef void (*uw_logger)(void*, const char *fmt, ...);
68
69 struct uw_context;
70
71 typedef struct {
72 void (*callback)(struct uw_context *);
73 unsigned int period;
74 } uw_periodic;
75
76 typedef struct {
77 int inputs_len, timeout;
78 char *url_prefix;
79
80 void (*client_init)();
81 void (*initializer)(struct uw_context *);
82 void (*expunger)(struct uw_context *, uw_Basis_client);
83
84 void (*db_init)(struct uw_context *);
85 int (*db_begin)(struct uw_context *);
86 int (*db_commit)(struct uw_context *);
87 int (*db_rollback)(struct uw_context *);
88 void (*db_close)(struct uw_context *);
89
90 void (*handle)(struct uw_context *, char *);
91
92 int (*input_num)(const char*);
93 uw_Basis_string (*cookie_sig)(struct uw_context *);
94 int (*check_url)(const char *);
95 int (*check_mime)(const char *);
96 int (*check_requestHeader)(const char *);
97 int (*check_responseHeader)(const char *);
98 int (*check_envVar)(const char *);
99
100 void (*on_error)(struct uw_context *, char *);
101
102 uw_periodic *periodics; // 0-terminated array
103
104 uw_Basis_string time_format;
105 } uw_app;
106
107 #define ERROR_BUF_LEN 1024
108
109 typedef struct {
110 size_t max;
111 char *start, *front, *back;
112 } uw_buffer;
113
114 #endif