comparison: src/server/plugins/postgresql/vfs.h
src/server/plugins/postgresql/vfs.h
- changeset 385
- a1f4cb076d2f
- parent 374
- 77506ec632a4
equal
deleted
inserted
replaced
| 210:21274e5950af | 385:a1f4cb076d2f |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2022 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #ifndef WS_PG_VFS_H | |
| 30 #define WS_PG_VFS_H | |
| 31 | |
| 32 #include "../../public/nsapi.h" | |
| 33 #include "../../public/vfs.h" | |
| 34 | |
| 35 #include "config.h" | |
| 36 | |
| 37 #include <libpq-fe.h> | |
| 38 #include <libpq/libpq-fs.h> | |
| 39 | |
| 40 #ifdef __cplusplus | |
| 41 extern "C" { | |
| 42 #endif | |
| 43 | |
| 44 #define PG_ETAG_MAXLEN 48 | |
| 45 | |
| 46 typedef struct PgVFS { | |
| 47 ResourceData *pg_resource; | |
| 48 PGconn *connection; | |
| 49 char root_resource_id_str[32]; | |
| 50 int64_t root_resource_id; | |
| 51 } PgVFS; | |
| 52 | |
| 53 typedef struct PgFile { | |
| 54 int64_t resource_id; | |
| 55 int64_t parent_id; | |
| 56 WSBool iscollection; | |
| 57 Oid oid; | |
| 58 int fd; | |
| 59 int oflags; | |
| 60 char etag[PG_ETAG_MAXLEN]; | |
| 61 struct stat s; | |
| 62 } PgFile; | |
| 63 | |
| 64 typedef struct PgDir { | |
| 65 VFSFile *file; | |
| 66 PGresult *result; | |
| 67 int row; | |
| 68 int nrows; | |
| 69 } PgDir; | |
| 70 | |
| 71 void* pg_vfs_init(ServerConfiguration *cfg, pool_handle_t *pool, WSConfigNode *config); | |
| 72 | |
| 73 VFS* pg_vfs_create(Session *sn, Request *rq, pblock *pb, void *initData); | |
| 74 | |
| 75 VFS* pg_vfs_create_from_resourcedata(Session *sn, Request *rq, PgRepository *repo, ResourceData *resdata); | |
| 76 | |
| 77 | |
| 78 /* | |
| 79 * Resolve a path into a parent_id and resource name | |
| 80 * | |
| 81 * Only absolute paths are supported, therefore path[0] must be '/' | |
| 82 * | |
| 83 * If the resource is not found, res_errno is set to ENOENT | |
| 84 */ | |
| 85 int pg_resolve_path( | |
| 86 PGconn *connection, | |
| 87 const char *path, | |
| 88 const char *root_id, | |
| 89 int64_t *parent_id, | |
| 90 int64_t *resource_id, | |
| 91 Oid *oid, | |
| 92 const char **resource_name, | |
| 93 WSBool *iscollection, | |
| 94 struct stat *s, | |
| 95 char *etag, | |
| 96 int *res_errno); | |
| 97 | |
| 98 void pg_set_stat( | |
| 99 struct stat *s, | |
| 100 const char *iscollection, | |
| 101 const char *lastmodified, | |
| 102 const char *creationdate, | |
| 103 const char *contentlength); | |
| 104 | |
| 105 int pg_create_file( | |
| 106 VFSContext *ctx, | |
| 107 PgVFS *pg, | |
| 108 const char *path, | |
| 109 int64_t *new_resource_id, | |
| 110 int64_t *res_parent_id, | |
| 111 Oid *oid, | |
| 112 const char **resource_name, | |
| 113 struct stat *s, | |
| 114 WSBool collection); | |
| 115 | |
| 116 int pg_remove_res( | |
| 117 VFSContext *ctx, | |
| 118 PgVFS *pg, | |
| 119 int64_t resource_id, | |
| 120 Oid oid); | |
| 121 | |
| 122 int pg_update_resource(PgVFS *pg, int64_t resource_id, int64_t contentlength); | |
| 123 | |
| 124 SYS_FILE pg_vfs_open(VFSContext *ctx, const char *path, int oflags); | |
| 125 int pg_vfs_stat(VFSContext *ctx, const char *path, struct stat *buf); | |
| 126 int pg_vfs_fstat(VFSContext *ctx, SYS_FILE fd, struct stat *buf); | |
| 127 VFS_DIR pg_vfs_opendir(VFSContext *ctx, const char *path); | |
| 128 VFS_DIR pg_vfs_fdopendir(VFSContext *ctx, SYS_FILE fd); | |
| 129 int pg_vfs_mkdir(VFSContext *ctx, const char *path); | |
| 130 int pg_vfs_unlink(VFSContext *ctx, const char *path); | |
| 131 int pg_vfs_rmdir(VFSContext *ctx, const char *path); | |
| 132 | |
| 133 | |
| 134 ssize_t pg_vfs_io_read(SYS_FILE fd, void *buf, size_t nbyte); | |
| 135 ssize_t pg_vfs_io_write(SYS_FILE fd, const void *buf, size_t nbyte); | |
| 136 ssize_t pg_vfs_io_pread(SYS_FILE fd, void *buf, size_t nbyte, off_t offset); | |
| 137 ssize_t pg_vfs_io_pwrite(SYS_FILE fd, const void *buf, size_t nbyte, off_t offset); | |
| 138 off_t pg_vfs_io_seek(SYS_FILE fd, off_t offset, int whence); | |
| 139 off_t pg_vfs_io_tell(SYS_FILE fd); | |
| 140 void pg_vfs_io_close(SYS_FILE fd); | |
| 141 const char *pg_vfs_io_getetag(SYS_FILE fd); | |
| 142 | |
| 143 | |
| 144 int pg_vfs_dirio_readdir(VFS_DIR dir, VFS_ENTRY *entry, int getstat); | |
| 145 void pg_vfs_dirio_close(VFS_DIR dir); | |
| 146 | |
| 147 time_t pg_convert_timestamp(const char *timestamp); | |
| 148 int pg_convert_timestamp_tm(const char *timestamp, struct tm *tm); | |
| 149 | |
| 150 #ifdef __cplusplus | |
| 151 } | |
| 152 #endif | |
| 153 | |
| 154 #endif /* WS_PG_VFS_H */ | |
| 155 |
