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| /* Sanity tests to verify inputs and return values. */ | |
| int sanity(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { | |
| REDISMODULE_NOT_USED(argv); | |
| REDISMODULE_NOT_USED(argc); | |
| RedisModuleRdbStream *s = RedisModule_RdbStreamCreateFromFile("dbnew.rdb"); | |
| /* NULL stream should fail. */ | |
| if (RedisModule_RdbLoad(ctx, NULL, 0) == REDISMODULE_OK || errno != EINVAL) { | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| goto out; | |
| } | |
| /* Invalid flags should fail. */ | |
| if (RedisModule_RdbLoad(ctx, s, 188) == REDISMODULE_OK || errno != EINVAL) { | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| goto out; | |
| } | |
| /* Missing file should fail. */ | |
| if (RedisModule_RdbLoad(ctx, s, 0) == REDISMODULE_OK || errno != ENOENT) { | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| goto out; | |
| } | |
| /* Save RDB file. */ | |
| if (RedisModule_RdbSave(ctx, s, 0) != REDISMODULE_OK || errno != 0) { | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| goto out; | |
| } | |
| /* Load the saved RDB file. */ | |
| if (RedisModule_RdbLoad(ctx, s, 0) != REDISMODULE_OK || errno != 0) { | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| goto out; | |
| } | |
| RedisModule_ReplyWithSimpleString(ctx, "OK"); | |
| out: | |
| RedisModule_RdbStreamFree(s); | |
| return REDISMODULE_OK; | |
| } | |
| int cmd_rdbsave(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { | |
| if (argc != 2) { | |
| RedisModule_WrongArity(ctx); | |
| return REDISMODULE_OK; | |
| } | |
| size_t len; | |
| const char *filename = RedisModule_StringPtrLen(argv[1], &len); | |
| char tmp[len + 1]; | |
| memcpy(tmp, filename, len); | |
| tmp[len] = '\0'; | |
| RedisModuleRdbStream *stream = RedisModule_RdbStreamCreateFromFile(tmp); | |
| if (RedisModule_RdbSave(ctx, stream, 0) != REDISMODULE_OK || errno != 0) { | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| goto out; | |
| } | |
| RedisModule_ReplyWithSimpleString(ctx, "OK"); | |
| out: | |
| RedisModule_RdbStreamFree(stream); | |
| return REDISMODULE_OK; | |
| } | |
| /* Fork before calling RM_RdbSave(). */ | |
| int cmd_rdbsave_fork(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { | |
| if (argc != 2) { | |
| RedisModule_WrongArity(ctx); | |
| return REDISMODULE_OK; | |
| } | |
| size_t len; | |
| const char *filename = RedisModule_StringPtrLen(argv[1], &len); | |
| char tmp[len + 1]; | |
| memcpy(tmp, filename, len); | |
| tmp[len] = '\0'; | |
| int fork_child_pid = RedisModule_Fork(NULL, NULL); | |
| if (fork_child_pid < 0) { | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| return REDISMODULE_OK; | |
| } else if (fork_child_pid > 0) { | |
| /* parent */ | |
| RedisModule_ReplyWithSimpleString(ctx, "OK"); | |
| return REDISMODULE_OK; | |
| } | |
| RedisModuleRdbStream *stream = RedisModule_RdbStreamCreateFromFile(tmp); | |
| int ret = 0; | |
| if (RedisModule_RdbSave(ctx, stream, 0) != REDISMODULE_OK) { | |
| ret = errno; | |
| } | |
| RedisModule_RdbStreamFree(stream); | |
| RedisModule_ExitFromChild(ret); | |
| return REDISMODULE_OK; | |
| } | |
| int cmd_rdbload(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { | |
| if (argc != 2) { | |
| RedisModule_WrongArity(ctx); | |
| return REDISMODULE_OK; | |
| } | |
| size_t len; | |
| const char *filename = RedisModule_StringPtrLen(argv[1], &len); | |
| char tmp[len + 1]; | |
| memcpy(tmp, filename, len); | |
| tmp[len] = '\0'; | |
| RedisModuleRdbStream *stream = RedisModule_RdbStreamCreateFromFile(tmp); | |
| if (RedisModule_RdbLoad(ctx, stream, 0) != REDISMODULE_OK || errno != 0) { | |
| RedisModule_RdbStreamFree(stream); | |
| RedisModule_ReplyWithError(ctx, strerror(errno)); | |
| return REDISMODULE_OK; | |
| } | |
| RedisModule_RdbStreamFree(stream); | |
| RedisModule_ReplyWithSimpleString(ctx, "OK"); | |
| return REDISMODULE_OK; | |
| } | |
| int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { | |
| REDISMODULE_NOT_USED(argv); | |
| REDISMODULE_NOT_USED(argc); | |
| if (RedisModule_Init(ctx, "rdbloadsave", 1, REDISMODULE_APIVER_1) == REDISMODULE_ERR) | |
| return REDISMODULE_ERR; | |
| if (RedisModule_CreateCommand(ctx, "test.sanity", sanity, "", 0, 0, 0) == REDISMODULE_ERR) | |
| return REDISMODULE_ERR; | |
| if (RedisModule_CreateCommand(ctx, "test.rdbsave", cmd_rdbsave, "", 0, 0, 0) == REDISMODULE_ERR) | |
| return REDISMODULE_ERR; | |
| if (RedisModule_CreateCommand(ctx, "test.rdbsave_fork", cmd_rdbsave_fork, "", 0, 0, 0) == REDISMODULE_ERR) | |
| return REDISMODULE_ERR; | |
| if (RedisModule_CreateCommand(ctx, "test.rdbload", cmd_rdbload, "", 0, 0, 0) == REDISMODULE_ERR) | |
| return REDISMODULE_ERR; | |
| return REDISMODULE_OK; | |
| } | |