137 // check the results |
137 // check the results |
138 if ((err = _dbfs_check_res(res, 1, 1)) < 0) |
138 if ((err = _dbfs_check_res(res, 1, 1)) < 0) |
139 SERROR(err = EIO); |
139 SERROR(err = EIO); |
140 |
140 |
141 // get the data |
141 // get the data |
142 if (evsql_result_buf(res, 0, 0, &buf, &size, 0)) |
142 if (evsql_result_binary(res, 0, 0, &buf, &size, 0)) |
143 SERROR(err = EIO); |
143 SERROR(err = EIO); |
144 |
144 |
145 INFO("[dbfs.read %p:%p] -> size=%zu", fop, fop->base.req, size); |
145 INFO("[dbfs.read %p:%p] -> size=%zu", fop, fop->base.req, size); |
146 |
146 |
147 // send it |
147 // send it |
206 error: |
206 error: |
207 // fail it |
207 // fail it |
208 dbfs_op_fail(&fop->base, err); |
208 dbfs_op_fail(&fop->base, err); |
209 } |
209 } |
210 |
210 |
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211 void dbfs_write_res (const struct evsql_result_info *res, void *arg) { |
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212 struct dbfs_fileop *fop = arg; |
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213 int err; |
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214 uint32_t size; |
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215 |
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216 // check the results |
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217 if ((err = _dbfs_check_res(res, 1, 1)) < 0) |
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218 SERROR(err = EIO); |
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219 |
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220 // get the size |
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221 if (evsql_result_uint32(res, 0, 0, &size, 0)) |
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222 SERROR(err = EIO); |
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223 |
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224 INFO("[dbfs.write %p:%p] -> size=%lu", fop, fop->base.req, (long unsigned int) size); |
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225 |
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226 // send it |
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227 if ((err = fuse_reply_write(fop->base.req, size))) |
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228 EERROR(err, "fuse_reply_write"); |
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229 |
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230 // ok, req handled |
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231 if ((err = dbfs_op_req_done(&fop->base))) |
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232 goto error; |
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233 |
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234 // good, fallthrough |
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235 err = 0; |
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236 |
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237 error: |
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238 if (err) |
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239 dbfs_op_fail(&fop->base, err); |
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240 |
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241 // free |
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242 evsql_result_free(res); |
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243 } |
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244 |
211 void dbfs_write (struct fuse_req *req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info *fi) { |
245 void dbfs_write (struct fuse_req *req, fuse_ino_t ino, const char *buf, size_t size, off_t off, struct fuse_file_info *fi) { |
212 |
246 struct dbfs *ctx = fuse_req_userdata(req); |
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247 struct dbfs_fileop *fop; |
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248 int err; |
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249 |
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250 // get the op |
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251 if ((fop = (struct dbfs_fileop *) dbfs_op_req(req, ino, fi)) == NULL) |
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252 return; |
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253 |
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254 // log |
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255 INFO("[dbfs.write %p:%p] ino=%lu, size=%zu, off=%lu, fi->flags=%04X", fop, req, ino, size, off, fi->flags); |
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256 |
|
257 // query |
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258 const char *sql = |
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259 "SELECT" |
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260 " lo_pwrite($1::int4, $2::bytea, $3::int4)"; |
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261 |
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262 static struct evsql_query_params params = EVSQL_PARAMS(EVSQL_FMT_BINARY) { |
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263 EVSQL_PARAM ( UINT32 ), // fd |
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264 EVSQL_PARAM ( BINARY ), // buf |
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265 EVSQL_PARAM ( UINT32 ), // off |
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266 |
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267 EVSQL_PARAMS_END |
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268 }; |
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269 |
|
270 // build params |
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271 if (0 |
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272 || evsql_param_uint32(¶ms, 0, fop->lo_fd) |
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273 || evsql_param_binary(¶ms, 1, buf, size) |
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274 || evsql_param_uint32(¶ms, 2, off) |
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275 ) |
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276 SERROR(err = EIO); |
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277 |
|
278 // query |
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279 if (evsql_query_params(ctx->db, fop->base.trans, sql, ¶ms, dbfs_write_res, fop) == NULL) |
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280 SERROR(err = EIO); |
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281 |
|
282 // ok, wait for the info results |
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283 return; |
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284 |
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285 error: |
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286 // fail it |
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287 dbfs_op_fail(&fop->base, err); |
213 } |
288 } |
214 |
289 |
215 void dbfs_flush (struct fuse_req *req, fuse_ino_t ino, struct fuse_file_info *fi) { |
290 void dbfs_flush (struct fuse_req *req, fuse_ino_t ino, struct fuse_file_info *fi) { |
216 struct dbfs_fileop *fop; |
291 struct dbfs_fileop *fop; |
217 int err; |
292 int err; |