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6 | |
6 | |
7 | #include "EXTERN.h" |
7 | #include "EXTERN.h" |
8 | #include "perl.h" |
8 | #include "perl.h" |
9 | #include "XSUB.h" |
9 | #include "XSUB.h" |
10 | |
10 | |
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11 | #if HAVE_EV |
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12 | # include "EVAPI.h" |
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13 | # include "CoroAPI.h" |
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14 | #endif |
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15 | |
11 | #define IN_DESTRUCT PL_dirty |
16 | #define IN_DESTRUCT PL_dirty |
12 | |
17 | |
13 | typedef U16 uint16; |
18 | typedef U16 uint16; |
14 | |
19 | |
15 | /* cached function gv's */ |
20 | /* cached function gv's */ |
16 | static CV *readable, *writable; |
21 | static CV *readable, *writable; |
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22 | static int use_ev; |
17 | |
23 | |
18 | #include "violite.h" |
24 | #include "violite.h" |
19 | |
25 | |
20 | #define DESC_OFFSET 22 |
26 | #define DESC_OFFSET 22 |
21 | |
27 | |
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23 | |
29 | |
24 | typedef struct { |
30 | typedef struct { |
25 | int magic; |
31 | int magic; |
26 | SV *corohandle_sv, *corohandle; |
32 | SV *corohandle_sv, *corohandle; |
27 | int bufofs, bufcnt; |
33 | int bufofs, bufcnt; |
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34 | #if HAVE_EV |
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35 | ev_io rw, ww; |
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36 | #endif |
28 | char buf[VIO_READ_BUFFER_SIZE]; |
37 | char buf[VIO_READ_BUFFER_SIZE]; |
29 | } ourdata; |
38 | } ourdata; |
30 | |
39 | |
31 | #define OURDATAPTR (*((ourdata **)((vio)->desc + DESC_OFFSET))) |
40 | #define OURDATAPTR (*((ourdata **)((vio)->desc + DESC_OFFSET))) |
32 | |
41 | |
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47 | rd = recv (vio->sd, our->buf, sizeof (our->buf), 0); |
56 | rd = recv (vio->sd, our->buf, sizeof (our->buf), 0); |
48 | |
57 | |
49 | if (rd >= 0 || errno != EAGAIN) |
58 | if (rd >= 0 || errno != EAGAIN) |
50 | break; |
59 | break; |
51 | |
60 | |
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61 | #if HAVE_EV |
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62 | if (use_ev) |
52 | { |
63 | { |
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64 | our->rw.data = (void *)sv_2mortal (SvREFCNT_inc (CORO_CURRENT)); |
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65 | ev_io_start (EV_DEFAULT_UC, &(our->rw)); |
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66 | CORO_SCHEDULE; |
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67 | ev_io_stop (EV_DEFAULT_UC, &(our->rw)); /* avoids races */ |
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68 | } |
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69 | else |
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70 | #endif |
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71 | { |
53 | dSP; |
72 | dSP; |
54 | PUSHMARK (SP); |
73 | PUSHMARK (SP); |
55 | XPUSHs (our->corohandle); |
74 | XPUSHs (our->corohandle); |
56 | PUTBACK; |
75 | PUTBACK; |
57 | call_sv ((SV *)readable, G_VOID | G_DISCARD); |
76 | call_sv ((SV *)readable, G_VOID | G_DISCARD); |
58 | } |
77 | } |
59 | } |
78 | } |
60 | |
79 | |
61 | if (rd <= 0) |
80 | if (rd <= 0) |
62 | return rd; |
81 | return rd; |
63 | |
82 | |
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92 | ptr += wr; |
111 | ptr += wr; |
93 | len -= wr; |
112 | len -= wr; |
94 | } |
113 | } |
95 | else if (errno == EAGAIN) |
114 | else if (errno == EAGAIN) |
96 | { |
115 | { |
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116 | ourdata *our = OURDATAPTR; |
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117 | |
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118 | #if HAVE_EV |
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119 | if (use_ev) |
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120 | { |
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121 | our->ww.data = (void *)sv_2mortal (SvREFCNT_inc (CORO_CURRENT)); |
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122 | ev_io_start (EV_DEFAULT_UC, &(our->ww)); |
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123 | CORO_SCHEDULE; |
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124 | ev_io_stop (EV_DEFAULT_UC, &(our->ww)); /* avoids races */ |
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125 | } |
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126 | else |
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127 | #endif |
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128 | { |
97 | dSP; |
129 | dSP; |
98 | PUSHMARK (SP); |
130 | PUSHMARK (SP); |
99 | XPUSHs (OURDATAPTR->corohandle); |
131 | XPUSHs (our->corohandle); |
100 | PUTBACK; |
132 | PUTBACK; |
101 | call_sv ((SV *)writable, G_VOID | G_DISCARD); |
133 | call_sv ((SV *)writable, G_VOID | G_DISCARD); |
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134 | } |
102 | } |
135 | } |
103 | else if (ptr == (char *)p) |
136 | else if (ptr == (char *)p) |
104 | return -1; |
137 | return -1; |
105 | else |
138 | else |
106 | break; |
139 | break; |
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110 | } |
143 | } |
111 | |
144 | |
112 | static int |
145 | static int |
113 | our_close (Vio *vio) |
146 | our_close (Vio *vio) |
114 | { |
147 | { |
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148 | ourdata *our = OURDATAPTR; |
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149 | |
115 | if (vio->read != our_read) |
150 | if (vio->read != our_read) |
116 | croak ("vio.read has unexpected content during unpatch - wtf?"); |
151 | croak ("vio.read has unexpected content during unpatch - wtf?"); |
117 | |
152 | |
118 | if (vio->write != our_write) |
153 | if (vio->write != our_write) |
119 | croak ("vio.write has unexpected content during unpatch - wtf?"); |
154 | croak ("vio.write has unexpected content during unpatch - wtf?"); |
120 | |
155 | |
121 | if (vio->vioclose != our_close) |
156 | if (vio->vioclose != our_close) |
122 | croak ("vio.vioclose has unexpected content during unpatch - wtf?"); |
157 | croak ("vio.vioclose has unexpected content during unpatch - wtf?"); |
123 | |
158 | |
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159 | #if HAVE_EV |
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160 | if (use_ev) |
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161 | { |
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162 | ev_io_stop (EV_DEFAULT_UC, &(our->rw)); |
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163 | ev_io_stop (EV_DEFAULT_UC, &(our->ww)); |
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164 | } |
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165 | #endif |
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166 | |
124 | SvREFCNT_dec (OURDATAPTR->corohandle); |
167 | SvREFCNT_dec (our->corohandle); |
125 | SvREFCNT_dec (OURDATAPTR->corohandle_sv); |
168 | SvREFCNT_dec (our->corohandle_sv); |
126 | |
169 | |
127 | Safefree (OURDATAPTR); |
170 | Safefree (our); |
128 | |
171 | |
129 | vio->read = vio_read; |
172 | vio->read = vio_read; |
130 | vio->write = vio_write; |
173 | vio->write = vio_write; |
131 | vio->vioclose = vio_close; |
174 | vio->vioclose = vio_close; |
132 | |
175 | |
133 | vio->vioclose (vio); |
176 | vio->vioclose (vio); |
134 | } |
177 | } |
135 | |
178 | |
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179 | #if HAVE_EV |
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180 | static void |
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181 | iocb (EV_P_ ev_io *w, int revents) |
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182 | { |
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183 | ev_io_stop (EV_A, w); |
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184 | CORO_READY ((SV *)w->data); |
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185 | } |
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186 | #endif |
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187 | |
136 | MODULE = Coro::Mysql PACKAGE = Coro::Mysql |
188 | MODULE = Coro::Mysql PACKAGE = Coro::Mysql |
137 | |
189 | |
138 | BOOT: |
190 | BOOT: |
139 | { |
191 | { |
140 | readable = get_cv ("Coro::Mysql::readable", 0); |
192 | readable = get_cv ("Coro::Mysql::readable", 0); |
141 | writable = get_cv ("Coro::Mysql::writable", 0); |
193 | writable = get_cv ("Coro::Mysql::writable", 0); |
142 | } |
194 | } |
143 | |
195 | |
144 | PROTOTYPES: ENABLE |
196 | PROTOTYPES: ENABLE |
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197 | |
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198 | void |
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199 | _use_ev () |
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200 | PPCODE: |
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201 | { |
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202 | static int onceonly; |
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203 | |
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204 | if (!onceonly) |
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205 | { |
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206 | onceonly = 1; |
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207 | #if HAVE_EV |
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208 | I_EV_API ("Coro::Mysql"); |
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209 | I_CORO_API ("Coro::Mysql"); |
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210 | use_ev = 1; |
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211 | #endif |
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212 | } |
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213 | |
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214 | XPUSHs (use_ev ? &PL_sv_yes : &PL_sv_no); |
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215 | } |
145 | |
216 | |
146 | void |
217 | void |
147 | _patch (IV sock, int fd, SV *corohandle_sv, SV *corohandle) |
218 | _patch (IV sock, int fd, SV *corohandle_sv, SV *corohandle) |
148 | CODE: |
219 | CODE: |
149 | { |
220 | { |
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169 | |
240 | |
170 | Newz (0, our, 1, ourdata); |
241 | Newz (0, our, 1, ourdata); |
171 | our->magic = CoMy_MAGIC; |
242 | our->magic = CoMy_MAGIC; |
172 | our->corohandle_sv = newSVsv (corohandle_sv); |
243 | our->corohandle_sv = newSVsv (corohandle_sv); |
173 | our->corohandle = newSVsv (corohandle); |
244 | our->corohandle = newSVsv (corohandle); |
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245 | #if HAVE_EV |
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246 | if (use_ev) |
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247 | { |
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248 | ev_io_init (&(our->rw), iocb, vio->sd, EV_READ); |
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249 | ev_io_init (&(our->ww), iocb, vio->sd, EV_WRITE); |
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250 | } |
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251 | #endif |
174 | |
252 | |
175 | vio->desc [DESC_OFFSET - 1] = 0; |
253 | vio->desc [DESC_OFFSET - 1] = 0; |
176 | OURDATAPTR = our; |
254 | OURDATAPTR = our; |
177 | |
255 | |
178 | vio->vioclose = our_close; |
256 | vio->vioclose = our_close; |