--- a/src/dbfs/fileop.c Thu Oct 16 22:56:29 2008 +0300
+++ b/src/dbfs/fileop.c Fri Oct 17 02:04:03 2008 +0300
@@ -139,7 +139,7 @@
SERROR(err = EIO);
// get the data
- if (evsql_result_buf(res, 0, 0, &buf, &size, 0))
+ if (evsql_result_binary(res, 0, 0, &buf, &size, 0))
SERROR(err = EIO);
INFO("[dbfs.read %p:%p] -> size=%zu", fop, fop->base.req, size);
@@ -208,8 +208,83 @@
dbfs_op_fail(&fop->base, err);
}
+void dbfs_write_res (const struct evsql_result_info *res, void *arg) {
+ struct dbfs_fileop *fop = arg;
+ int err;
+ uint32_t size;
+
+ // check the results
+ if ((err = _dbfs_check_res(res, 1, 1)) < 0)
+ SERROR(err = EIO);
+
+ // get the size
+ if (evsql_result_uint32(res, 0, 0, &size, 0))
+ SERROR(err = EIO);
+
+ INFO("[dbfs.write %p:%p] -> size=%lu", fop, fop->base.req, (long unsigned int) size);
+
+ // send it
+ if ((err = fuse_reply_write(fop->base.req, size)))
+ EERROR(err, "fuse_reply_write");
+
+ // ok, req handled
+ if ((err = dbfs_op_req_done(&fop->base)))
+ goto error;
+
+ // good, fallthrough
+ err = 0;
+
+error:
+ if (err)
+ dbfs_op_fail(&fop->base, err);
+
+ // free
+ evsql_result_free(res);
+}
+
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) {
+ struct dbfs *ctx = fuse_req_userdata(req);
+ struct dbfs_fileop *fop;
+ int err;
+
+ // get the op
+ if ((fop = (struct dbfs_fileop *) dbfs_op_req(req, ino, fi)) == NULL)
+ return;
+ // log
+ INFO("[dbfs.write %p:%p] ino=%lu, size=%zu, off=%lu, fi->flags=%04X", fop, req, ino, size, off, fi->flags);
+
+ // query
+ const char *sql =
+ "SELECT"
+ " lo_pwrite($1::int4, $2::bytea, $3::int4)";
+
+ static struct evsql_query_params params = EVSQL_PARAMS(EVSQL_FMT_BINARY) {
+ EVSQL_PARAM ( UINT32 ), // fd
+ EVSQL_PARAM ( BINARY ), // buf
+ EVSQL_PARAM ( UINT32 ), // off
+
+ EVSQL_PARAMS_END
+ };
+
+ // build params
+ if (0
+ || evsql_param_uint32(¶ms, 0, fop->lo_fd)
+ || evsql_param_binary(¶ms, 1, buf, size)
+ || evsql_param_uint32(¶ms, 2, off)
+ )
+ SERROR(err = EIO);
+
+ // query
+ if (evsql_query_params(ctx->db, fop->base.trans, sql, ¶ms, dbfs_write_res, fop) == NULL)
+ SERROR(err = EIO);
+
+ // ok, wait for the info results
+ return;
+
+error:
+ // fail it
+ dbfs_op_fail(&fop->base, err);
}
void dbfs_flush (struct fuse_req *req, fuse_ino_t ino, struct fuse_file_info *fi) {