debian/modules/nginx-lua/t/099-c-api.t

# vim:set ft= ts=4 sw=4 et fdm=marker:
use lib 'lib';
use Test::Nginx::Socket::Lua;

#worker_connections(1014);
#master_process_enabled(1);
log_level('warn');

repeat_each(3);

plan tests => repeat_each() * (blocks() * 3);

#no_diff();
no_long_string();
#master_on();
#workers(2);

run_tests();

__DATA__

=== TEST 1: find zone
--- http_config
    lua_shared_dict dogs 1m;
--- config
    location = /test {
        content_by_lua '
            local ffi = require "ffi"

            ffi.cdef[[
                void *ngx_http_lua_find_zone(char *data, size_t len);
            ]]

            local buf = ffi.new("char[?]", 4)
            ffi.copy(buf, "foo", 3)
            local zone = ffi.C.ngx_http_lua_find_zone(buf, 3)
            ngx.say("foo zone: ", tonumber(ffi.cast("long", zone)) ~= 0 and "defined" or "undef")

            ffi.copy(buf, "dogs", 4)
            zone = ffi.C.ngx_http_lua_find_zone(buf, 4)
            ngx.say("dogs zone: ", tonumber(ffi.cast("long", zone)) ~= 0 and "defined" or "undef")
        ';
    }
--- request
GET /test
--- response_body
foo zone: undef
dogs zone: defined
--- no_error_log
[error]



=== TEST 2: number typed value
--- http_config
    lua_shared_dict dogs 1m;
--- config
    location = /test {
        content_by_lua '
            local ffi = require "ffi"

            ffi.cdef[[
                typedef struct {
                    size_t  len;
                    char   *data;
                } ngx_str_t;

                typedef struct {
                    uint8_t         type;

                    union {
                        int         b; /* boolean */
                        double      n; /* number */
                        ngx_str_t   s; /* string */
                    } value;

                } ngx_http_lua_value_t;

                void *ngx_http_lua_find_zone(char *data, size_t len);
                intptr_t ngx_http_lua_shared_dict_get(void *zone, char *kdata, size_t klen, ngx_http_lua_value_t *val);
            ]]

            local dogs = ngx.shared.dogs
            dogs:set("foo", 1234567)
            dogs:set("bar", 3.14159)

            local buf = ffi.new("char[?]", 4)

            ffi.copy(buf, "dogs", 4)
            zone = ffi.C.ngx_http_lua_find_zone(buf, 4)

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)

            ffi.copy(buf, "foo", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("foo: rc=", tonumber(rc),
                ", type=", val[0].type,
                ", val=", tonumber(val[0].value.n))

            ffi.copy(buf, "bar", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("bar: rc=", tonumber(rc),
                ", type=", val[0].type,
                ", val=", tonumber(val[0].value.n))
        ';
    }
--- request
GET /test
--- response_body
foo: rc=0, type=3, val=1234567
bar: rc=0, type=3, val=3.14159
--- no_error_log
[error]



=== TEST 3: boolean typed value
--- http_config
    lua_shared_dict dogs 1m;
--- config
    location = /test {
        content_by_lua '
            local ffi = require "ffi"

            ffi.cdef[[
                typedef struct {
                    size_t  len;
                    char   *data;
                } ngx_str_t;

                typedef struct {
                    uint8_t         type;

                    union {
                        int         b; /* boolean */
                        double      n; /* number */
                        ngx_str_t   s; /* string */
                    } value;

                } ngx_http_lua_value_t;

                void *ngx_http_lua_find_zone(char *data, size_t len);
                intptr_t ngx_http_lua_shared_dict_get(void *zone, char *kdata, size_t klen, ngx_http_lua_value_t *val);
            ]]

            local dogs = ngx.shared.dogs
            dogs:set("foo", true)
            dogs:set("bar", false)

            local buf = ffi.new("char[?]", 4)

            ffi.copy(buf, "dogs", 4)
            zone = ffi.C.ngx_http_lua_find_zone(buf, 4)

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)

            ffi.copy(buf, "foo", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("foo: rc=", tonumber(rc),
                ", type=", tonumber(val[0].type),
                ", val=", tonumber(val[0].value.b))

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)
            ffi.copy(buf, "bar", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("bar: rc=", tonumber(rc),
                ", type=", tonumber(val[0].type),
                ", val=", tonumber(val[0].value.b))
        ';
    }
--- request
GET /test
--- response_body
foo: rc=0, type=1, val=1
bar: rc=0, type=1, val=0
--- no_error_log
[error]



=== TEST 4: key not found
--- http_config
    lua_shared_dict dogs 1m;
--- config
    location = /test {
        content_by_lua '
            local ffi = require "ffi"

            ffi.cdef[[
                typedef struct {
                    size_t  len;
                    char   *data;
                } ngx_str_t;

                typedef struct {
                    uint8_t         type;

                    union {
                        int         b; /* boolean */
                        double      n; /* number */
                        ngx_str_t   s; /* string */
                    } value;

                } ngx_http_lua_value_t;

                void *ngx_http_lua_find_zone(char *data, size_t len);
                intptr_t ngx_http_lua_shared_dict_get(void *zone, char *kdata, size_t klen, ngx_http_lua_value_t *val);
            ]]

            local dogs = ngx.shared.dogs
            dogs:flush_all()

            local buf = ffi.new("char[?]", 4)

            ffi.copy(buf, "dogs", 4)
            zone = ffi.C.ngx_http_lua_find_zone(buf, 4)

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)

            ffi.copy(buf, "foo", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("foo: rc=", tonumber(rc))

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)
            ffi.copy(buf, "bar", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("bar: rc=", tonumber(rc))
        ';
    }
--- request
GET /test
--- response_body
foo: rc=-5
bar: rc=-5
--- no_error_log
[error]



=== TEST 5: string typed value
--- http_config
    lua_shared_dict dogs 1m;
--- config
    location = /test {
        content_by_lua '
            local ffi = require "ffi"

            ffi.cdef[[
                typedef struct {
                    size_t  len;
                    char   *data;
                } ngx_str_t;

                typedef struct {
                    uint8_t         type;

                    union {
                        int         b; /* boolean */
                        double      n; /* number */
                        ngx_str_t   s; /* string */
                    } value;

                } ngx_http_lua_value_t;

                void *ngx_http_lua_find_zone(char *data, size_t len);
                intptr_t ngx_http_lua_shared_dict_get(void *zone, char *kdata, size_t klen, ngx_http_lua_value_t *val);
            ]]

            local dogs = ngx.shared.dogs
            dogs:set("foo", "hello world")
            dogs:set("bar", "")

            local buf = ffi.new("char[?]", 4)

            ffi.copy(buf, "dogs", 4)
            zone = ffi.C.ngx_http_lua_find_zone(buf, 4)

            local s = ffi.new("char[?]", 20)

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)
            val[0].value.s.len = 20
            val[0].value.s.data = s

            ffi.copy(buf, "foo", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("foo: rc=", tonumber(rc),
                ", type=", tonumber(val[0].type),
                ", val=", ffi.string(val[0].value.s.data, val[0].value.s.len),
                ", len=", tonumber(val[0].value.s.len))

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)
            val[0].value.s.len = 20
            val[0].value.s.data = s

            ffi.copy(buf, "bar", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("bar: rc=", tonumber(rc),
                ", type=", tonumber(val[0].type),
                ", val=", ffi.string(val[0].value.s.data, val[0].value.s.len),
                ", len=", tonumber(val[0].value.s.len))
        ';
    }
--- request
GET /test
--- response_body
foo: rc=0, type=4, val=hello world, len=11
bar: rc=0, type=4, val=, len=0
--- no_error_log
[error]



=== TEST 6: nil typed value
--- http_config
    lua_shared_dict dogs 1m;
--- config
    location = /test {
        content_by_lua '
            local ffi = require "ffi"

            ffi.cdef[[
                typedef struct {
                    size_t  len;
                    char   *data;
                } ngx_str_t;

                typedef struct {
                    uint8_t         type;

                    union {
                        int         b; /* boolean */
                        double      n; /* number */
                        ngx_str_t   s; /* string */
                    } value;

                } ngx_http_lua_value_t;

                void *ngx_http_lua_find_zone(char *data, size_t len);
                intptr_t ngx_http_lua_shared_dict_get(void *zone, char *kdata, size_t klen, ngx_http_lua_value_t *val);
            ]]

            local dogs = ngx.shared.dogs
            dogs:set("foo", nil)

            local buf = ffi.new("char[?]", 4)

            ffi.copy(buf, "dogs", 4)
            zone = ffi.C.ngx_http_lua_find_zone(buf, 4)

            local val = ffi.new("ngx_http_lua_value_t[?]", 1)

            ffi.copy(buf, "foo", 3)
            local rc = ffi.C.ngx_http_lua_shared_dict_get(zone, buf, 3, val)
            ngx.say("foo: rc=", tonumber(rc))
        ';
    }
--- request
GET /test
--- response_body
foo: rc=-5
--- no_error_log
[error]