-
Notifications
You must be signed in to change notification settings - Fork 8
/
Redis-hiredis.xs
210 lines (186 loc) · 5.46 KB
/
Redis-hiredis.xs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#include <string.h>
#include <stdio.h>
#include "hiredis.h"
#include "net.h"
#include "sds.h"
typedef struct redhi_obj {
redisContext *context;
bool utf8;
} redhi_obj;
typedef redhi_obj *Redis__hiredis;
SV * _read_reply (Redis__hiredis self, redisReply *reply);
SV * _read_multi_bulk_reply (Redis__hiredis self, redisReply *reply);
SV * _read_bulk_reply (Redis__hiredis self, redisReply *reply);
SV * _read_reply (Redis__hiredis self, redisReply *reply) {
if (reply->type == REDIS_REPLY_ARRAY) {
return _read_multi_bulk_reply(self, reply);
}
else {
if ( reply->type == REDIS_REPLY_ERROR )
croak("%s",reply->str);
return _read_bulk_reply(self, reply);
}
}
SV * _read_multi_bulk_reply (Redis__hiredis self, redisReply *reply) {
AV *arr_reply = newAV();
SV *sv = newRV_noinc((SV*)arr_reply);
int i;
for ( i=0; i < reply->elements; i++) {
av_push(arr_reply, _read_bulk_reply(self, reply->element[i]));
}
return sv;
}
SV * _read_bulk_reply (Redis__hiredis self, redisReply *reply) {
SV *sv;
if ( reply->type == REDIS_REPLY_STRING
|| reply->type == REDIS_REPLY_STATUS
|| reply->type == REDIS_REPLY_ERROR ) {
sv = newSVpvn(reply->str,reply->len);
if (self->utf8) {
sv_utf8_decode(sv);
}
}
else if ( reply->type == REDIS_REPLY_INTEGER ) {
sv = newSViv(reply->integer);
}
else if ( reply->type == REDIS_REPLY_ARRAY ) {
sv = _read_multi_bulk_reply(self, reply);
}
else {
// either REDIS_REPLY_NIL or something is awry
sv = newSV(0);
}
return sv;
}
int _command_from_arr_ref (Redis__hiredis self, SV *cmd, char ***argv, size_t **argv_sizes) {
AV *array;
STRLEN len;
int i;
if ( SvTYPE(array = (AV*)SvRV(cmd))==SVt_PVAV ) {
*argv = (char**)malloc((av_len(array) + 1) * sizeof(char *));
*argv_sizes = (size_t*)malloc((av_len(array) + 1) * sizeof(size_t *));
for ( i = 0; i < av_len(array)+1; i++ ) {
SV **curr = av_fetch(array,i,0);
if ( self->utf8 ) {
(argv[0][i]) = SvPVutf8(*curr, len);
}
else {
(argv[0][i]) = SvPV(*curr, len);
}
argv_sizes[0][i] = len;
}
}
return i;
}
void assert_connected (redhi_obj *self) {
if (self->context == NULL) {
croak("%s","Not connected.");
}
}
MODULE = Redis::hiredis PACKAGE = Redis::hiredis PREFIX = redis_hiredis_
void
redis_hiredis_connect(self, hostname, port = 6379)
Redis::hiredis self
char *hostname
int port
CODE:
self->context = redisConnect(hostname, port);
if ( self->context->err ) {
croak("%s",self->context->errstr);
}
void
redis_hiredis_connect_unix(self, path)
Redis::hiredis self
char *path
CODE:
self->context = redisConnectUnix(path);
if ( self->context->err ) {
croak("%s",self->context->errstr);
}
SV *
redis_hiredis_command(self, ...)
Redis::hiredis self
PREINIT:
int params;
char **argv;
size_t *argv_sizes;
redisReply *reply;
CODE:
assert_connected(self);
if ( items > 2 || SvROK(ST(1)) ) {
if ( items > 2 ) {
// because I am not sure how to pass the argument stack to another function,
// lets just do our work here.
params = items - 1;
int i;
STRLEN len;
argv = malloc(params * sizeof(char *));
argv_sizes = malloc(params * sizeof(size_t *));
for ( i = 0; i < params; i++ ) {
if ( self->utf8 ) {
argv[i] = SvPVutf8(ST(i+1), len);
}
else {
argv[i] = SvPV(ST(i+1), len);
}
argv_sizes[i] = len;
}
}
else {
params = _command_from_arr_ref(self, ST(1), &argv, &argv_sizes);
}
reply = redisCommandArgv(self->context, params, (const char**)argv, argv_sizes);
free(argv);
free(argv_sizes);
}
else {
reply = redisCommand(self->context, (char *)SvPV_nolen(ST(1)));
}
if(reply == NULL)
croak("error processing command: %s\n", self->context->errstr);
RETVAL = _read_reply(self, reply);
freeReplyObject(reply);
OUTPUT:
RETVAL
void
redis_hiredis_append_command(self, cmd)
Redis::hiredis self
char *cmd
CODE:
assert_connected(self);
redisAppendCommand(self->context, cmd);
SV *
redis_hiredis_get_reply(self)
Redis::hiredis self
PREINIT:
redisReply *reply;
CODE:
assert_connected(self);
redisGetReply(self->context, (void **) &reply);
RETVAL = _read_reply(self, reply);
freeReplyObject(reply);
OUTPUT:
RETVAL
Redis::hiredis
redis_hiredis__new(clazz, utf8)
char *clazz
bool utf8
PREINIT:
Redis__hiredis self;
CODE:
self = calloc(1, sizeof(struct redhi_obj));
self->utf8 = utf8;
RETVAL = self;
OUTPUT:
RETVAL
void
redis_hiredis_DESTROY(self)
Redis::hiredis self
CODE:
if ( self->context != NULL )
redisFree(self->context);
free(self);