1 | #include <sys/errno.h> |
1 | #include <errno.h> |
2 | #include <unistd.h> |
2 | #include <unistd.h> |
3 | #include <fcntl.h> |
3 | #include <fcntl.h> |
4 | |
4 | |
5 | #include <mysql.h> |
5 | #include <mysql.h> |
6 | |
6 | |
… | |
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21 | static CV *readable, *writable; |
21 | static CV *readable, *writable; |
22 | static int use_ev; |
22 | static int use_ev; |
23 | |
23 | |
24 | #include "violite.h" |
24 | #include "violite.h" |
25 | |
25 | |
26 | #define DESC_OFFSET 22 |
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27 | |
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28 | #define CoMy_MAGIC 0x436f4d79 |
26 | #define CoMy_MAGIC 0x436f4d79 |
29 | |
27 | |
30 | typedef struct { |
28 | typedef struct { |
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29 | #if DESC_IS_PTR |
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30 | char desc[30]; |
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31 | const char *old_desc; |
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32 | #endif |
31 | int magic; |
33 | int magic; |
32 | SV *corohandle_sv, *corohandle; |
34 | SV *corohandle_sv, *corohandle; |
33 | int bufofs, bufcnt; |
35 | int bufofs, bufcnt; |
34 | #if HAVE_EV |
36 | #if HAVE_EV |
35 | ev_io rw, ww; |
37 | ev_io rw, ww; |
36 | #endif |
38 | #endif |
37 | char buf[VIO_READ_BUFFER_SIZE]; |
39 | char buf[VIO_READ_BUFFER_SIZE]; |
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40 | size_t (*old_read)(Vio*, uchar *, size_t); |
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41 | size_t (*old_write)(Vio*, const uchar *, size_t); |
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42 | int (*old_vioclose)(Vio*); |
38 | } ourdata; |
43 | } ourdata; |
39 | |
44 | |
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45 | #if DESC_IS_PTR |
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46 | # define OURDATAPTR (*(ourdata **)&((vio)->desc)) |
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47 | #else |
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48 | # define DESC_OFFSET 22 |
40 | #define OURDATAPTR (*((ourdata **)((vio)->desc + DESC_OFFSET))) |
49 | # define OURDATAPTR (*((ourdata **)((vio)->desc + DESC_OFFSET))) |
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50 | #endif |
41 | |
51 | |
42 | static int |
52 | static xlen |
43 | our_read (Vio *vio, xgptr p, int len) |
53 | our_read (Vio *vio, xgptr p, xlen len) |
44 | { |
54 | { |
45 | ourdata *our = OURDATAPTR; |
55 | ourdata *our = OURDATAPTR; |
46 | |
56 | |
47 | if (!our->bufcnt) |
57 | if (!our->bufcnt) |
48 | { |
58 | { |
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92 | our->bufcnt -= len; |
102 | our->bufcnt -= len; |
93 | |
103 | |
94 | return len; |
104 | return len; |
95 | } |
105 | } |
96 | |
106 | |
97 | static int |
107 | static xlen |
98 | our_write (Vio *vio, const xgptr p, int len) |
108 | our_write (Vio *vio, cxgptr p, xlen len) |
99 | { |
109 | { |
100 | char *ptr = (char *)p; |
110 | char *ptr = (char *)p; |
101 | my_bool dummy; |
111 | my_bool dummy; |
102 | |
112 | |
103 | vio->vioblocking (vio, 0, &dummy); |
113 | vio->vioblocking (vio, 0, &dummy); |
… | |
… | |
165 | #endif |
175 | #endif |
166 | |
176 | |
167 | SvREFCNT_dec (our->corohandle); |
177 | SvREFCNT_dec (our->corohandle); |
168 | SvREFCNT_dec (our->corohandle_sv); |
178 | SvREFCNT_dec (our->corohandle_sv); |
169 | |
179 | |
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180 | #if DESC_IS_PTR |
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181 | vio->desc = our->old_desc; |
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182 | #endif |
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183 | |
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184 | vio->vioclose = our->old_vioclose; |
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185 | vio->write = our->old_write; |
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186 | vio->read = our->old_read; |
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187 | |
170 | Safefree (our); |
188 | Safefree (our); |
171 | |
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172 | vio->read = vio_read; |
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173 | vio->write = vio_write; |
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174 | vio->vioclose = vio_close; |
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175 | |
189 | |
176 | vio->vioclose (vio); |
190 | vio->vioclose (vio); |
177 | } |
191 | } |
178 | |
192 | |
179 | #if HAVE_EV |
193 | #if HAVE_EV |
… | |
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213 | |
227 | |
214 | XPUSHs (use_ev ? &PL_sv_yes : &PL_sv_no); |
228 | XPUSHs (use_ev ? &PL_sv_yes : &PL_sv_no); |
215 | } |
229 | } |
216 | |
230 | |
217 | void |
231 | void |
218 | _patch (IV sock, int fd, SV *corohandle_sv, SV *corohandle) |
232 | _patch (IV sock, int fd, unsigned long client_version, SV *corohandle_sv, SV *corohandle) |
219 | CODE: |
233 | CODE: |
220 | { |
234 | { |
221 | MYSQL *my = (MYSQL *)sock; |
235 | MYSQL *my = (MYSQL *)sock; |
222 | Vio *vio = my->net.vio; |
236 | Vio *vio = my->net.vio; |
223 | ourdata *our; |
237 | ourdata *our; |
224 | |
238 | |
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239 | /* matching versions are required but not sufficient */ |
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240 | if (client_version != mysql_get_client_version ()) |
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241 | croak ("DBD::mysql linked against different libmysqlclient library than Coro::Mysql (%lu vs. %lu).", |
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242 | client_version, mysql_get_client_version ()); |
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243 | |
225 | if (fd != my->net.fd) |
244 | if (fd != my->net.fd) |
226 | croak ("DBD::mysql fd and libmysql disagree - library mismatch, unsupported transport or API changes?"); |
245 | croak ("DBD::mysql fd and libmysql disagree - library mismatch, unsupported transport or API changes?"); |
227 | |
246 | |
228 | if (fd != vio->sd) |
247 | if (fd != vio->sd) |
229 | croak ("DBD::mysql fd and vio-sd disagree - library mismatch, unsupported transport or API changes?"); |
248 | croak ("DBD::mysql fd and vio-sd disagree - library mismatch, unsupported transport or API changes?"); |
230 | |
249 | #if MYSQL_VERSION_ID < 100010 && !defined(MARIADB_BASE_VERSION) |
231 | if (vio->vioclose != vio_close) |
250 | if (vio->vioclose != vio_close) |
232 | croak ("vio.write has unexpected content - library mismatch, unsupported transport or API changes?"); |
251 | croak ("vio.vioclose has unexpected content - library mismatch, unsupported transport or API changes?"); |
233 | |
252 | |
234 | if (vio->write != vio_write) |
253 | if (vio->write != vio_write) |
235 | croak ("vio.write has unexpected content - library mismatch, unsupported transport or API changes?"); |
254 | croak ("vio.write has unexpected content - library mismatch, unsupported transport or API changes?"); |
236 | |
255 | |
237 | if (vio->read != vio_read |
256 | if (vio->read != vio_read |
238 | && vio->read != vio_read_buff) |
257 | && vio->read != vio_read_buff) |
239 | croak ("vio.read has unexpected content - library mismatch, unsupported transport or API changes?"); |
258 | croak ("vio.read has unexpected content - library mismatch, unsupported transport or API changes?"); |
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259 | #endif |
240 | |
260 | |
241 | Newz (0, our, 1, ourdata); |
261 | Newz (0, our, 1, ourdata); |
242 | our->magic = CoMy_MAGIC; |
262 | our->magic = CoMy_MAGIC; |
243 | our->corohandle_sv = newSVsv (corohandle_sv); |
263 | our->corohandle_sv = newSVsv (corohandle_sv); |
244 | our->corohandle = newSVsv (corohandle); |
264 | our->corohandle = newSVsv (corohandle); |
… | |
… | |
247 | { |
267 | { |
248 | ev_io_init (&(our->rw), iocb, vio->sd, EV_READ); |
268 | ev_io_init (&(our->rw), iocb, vio->sd, EV_READ); |
249 | ev_io_init (&(our->ww), iocb, vio->sd, EV_WRITE); |
269 | ev_io_init (&(our->ww), iocb, vio->sd, EV_WRITE); |
250 | } |
270 | } |
251 | #endif |
271 | #endif |
252 | |
272 | #if DESC_IS_PTR |
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273 | our->old_desc = vio->desc; |
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274 | strncpy (our->desc, vio->desc, sizeof (our->desc)); |
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275 | our->desc [sizeof (our->desc) - 1] = 0; |
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276 | #else |
253 | vio->desc [DESC_OFFSET - 1] = 0; |
277 | vio->desc [DESC_OFFSET - 1] = 0; |
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278 | #endif |
254 | OURDATAPTR = our; |
279 | OURDATAPTR = our; |
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280 | |
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281 | our->old_vioclose = vio->vioclose; |
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282 | our->old_write = vio->write; |
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283 | our->old_read = vio->read; |
255 | |
284 | |
256 | vio->vioclose = our_close; |
285 | vio->vioclose = our_close; |
257 | vio->write = our_write; |
286 | vio->write = our_write; |
258 | vio->read = our_read; |
287 | vio->read = our_read; |
259 | } |
288 | } |