|
|
| #include "redismodule.h" |
| #include <strings.h> |
| #include <assert.h> |
| #include <unistd.h> |
| #include <errno.h> |
|
|
| #define UNUSED(V) ((void) V) |
|
|
| |
| |
| |
| int getkeys_command(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) |
| { |
| int i; |
| int count = 0; |
|
|
| |
| if (RedisModule_IsKeysPositionRequest(ctx)) { |
| for (i = 0; i < argc; i++) { |
| size_t len; |
| const char *str = RedisModule_StringPtrLen(argv[i], &len); |
|
|
| if (len == 3 && !strncasecmp(str, "key", 3) && i + 1 < argc) |
| RedisModule_KeyAtPos(ctx, i + 1); |
| } |
|
|
| return REDISMODULE_OK; |
| } |
|
|
| |
| RedisModule_ReplyWithArray(ctx, REDISMODULE_POSTPONED_LEN); |
| for (i = 0; i < argc; i++) { |
| size_t len; |
| const char *str = RedisModule_StringPtrLen(argv[i], &len); |
|
|
| if (len == 3 && !strncasecmp(str, "key", 3) && i + 1 < argc) { |
| RedisModule_ReplyWithString(ctx, argv[i+1]); |
| count++; |
| } |
| } |
| RedisModule_ReplySetArrayLength(ctx, count); |
|
|
| return REDISMODULE_OK; |
| } |
|
|
| int getkeys_command_with_flags(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) |
| { |
| int i; |
| int count = 0; |
|
|
| |
| if (RedisModule_IsKeysPositionRequest(ctx)) { |
| for (i = 0; i < argc; i++) { |
| size_t len; |
| const char *str = RedisModule_StringPtrLen(argv[i], &len); |
|
|
| if (len == 3 && !strncasecmp(str, "key", 3) && i + 1 < argc) |
| RedisModule_KeyAtPosWithFlags(ctx, i + 1, REDISMODULE_CMD_KEY_RO | REDISMODULE_CMD_KEY_ACCESS); |
| } |
|
|
| return REDISMODULE_OK; |
| } |
|
|
| |
| RedisModule_ReplyWithArray(ctx, REDISMODULE_POSTPONED_LEN); |
| for (i = 0; i < argc; i++) { |
| size_t len; |
| const char *str = RedisModule_StringPtrLen(argv[i], &len); |
|
|
| if (len == 3 && !strncasecmp(str, "key", 3) && i + 1 < argc) { |
| RedisModule_ReplyWithString(ctx, argv[i+1]); |
| count++; |
| } |
| } |
| RedisModule_ReplySetArrayLength(ctx, count); |
|
|
| return REDISMODULE_OK; |
| } |
|
|
| int getkeys_fixed(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) |
| { |
| int i; |
|
|
| RedisModule_ReplyWithArray(ctx, argc - 1); |
| for (i = 1; i < argc; i++) { |
| RedisModule_ReplyWithString(ctx, argv[i]); |
| } |
| return REDISMODULE_OK; |
| } |
|
|
| |
| |
| |
| |
| int getkeys_introspect(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) |
| { |
| long long with_flags = 0; |
|
|
| if (argc < 4) { |
| RedisModule_WrongArity(ctx); |
| return REDISMODULE_OK; |
| } |
|
|
| if (RedisModule_StringToLongLong(argv[1],&with_flags) != REDISMODULE_OK) |
| return RedisModule_ReplyWithError(ctx,"ERR invalid integer"); |
|
|
| int num_keys, *keyflags = NULL; |
| int *keyidx = RedisModule_GetCommandKeysWithFlags(ctx, &argv[2], argc - 2, &num_keys, with_flags ? &keyflags : NULL); |
|
|
| if (!keyidx) { |
| if (!errno) |
| RedisModule_ReplyWithEmptyArray(ctx); |
| else { |
| char err[100]; |
| switch (errno) { |
| case ENOENT: |
| RedisModule_ReplyWithError(ctx, "ERR ENOENT"); |
| break; |
| case EINVAL: |
| RedisModule_ReplyWithError(ctx, "ERR EINVAL"); |
| break; |
| default: |
| snprintf(err, sizeof(err) - 1, "ERR errno=%d", errno); |
| RedisModule_ReplyWithError(ctx, err); |
| break; |
| } |
| } |
| } else { |
| int i; |
|
|
| RedisModule_ReplyWithArray(ctx, num_keys); |
| for (i = 0; i < num_keys; i++) { |
| if (!with_flags) { |
| RedisModule_ReplyWithString(ctx, argv[2 + keyidx[i]]); |
| continue; |
| } |
| RedisModule_ReplyWithArray(ctx, 2); |
| RedisModule_ReplyWithString(ctx, argv[2 + keyidx[i]]); |
| char* sflags = ""; |
| if (keyflags[i] & REDISMODULE_CMD_KEY_RO) |
| sflags = "RO"; |
| else if (keyflags[i] & REDISMODULE_CMD_KEY_RW) |
| sflags = "RW"; |
| else if (keyflags[i] & REDISMODULE_CMD_KEY_OW) |
| sflags = "OW"; |
| else if (keyflags[i] & REDISMODULE_CMD_KEY_RM) |
| sflags = "RM"; |
| RedisModule_ReplyWithCString(ctx, sflags); |
| } |
|
|
| RedisModule_Free(keyidx); |
| RedisModule_Free(keyflags); |
| } |
|
|
| return REDISMODULE_OK; |
| } |
|
|
| int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { |
| UNUSED(argv); |
| UNUSED(argc); |
| if (RedisModule_Init(ctx,"getkeys",1,REDISMODULE_APIVER_1)== REDISMODULE_ERR) |
| return REDISMODULE_ERR; |
|
|
| if (RedisModule_CreateCommand(ctx,"getkeys.command", getkeys_command,"getkeys-api",0,0,0) == REDISMODULE_ERR) |
| return REDISMODULE_ERR; |
|
|
| if (RedisModule_CreateCommand(ctx,"getkeys.command_with_flags", getkeys_command_with_flags,"getkeys-api",0,0,0) == REDISMODULE_ERR) |
| return REDISMODULE_ERR; |
|
|
| if (RedisModule_CreateCommand(ctx,"getkeys.fixed", getkeys_fixed,"",2,4,1) == REDISMODULE_ERR) |
| return REDISMODULE_ERR; |
|
|
| if (RedisModule_CreateCommand(ctx,"getkeys.introspect", getkeys_introspect,"",0,0,0) == REDISMODULE_ERR) |
| return REDISMODULE_ERR; |
|
|
| return REDISMODULE_OK; |
| } |
|
|
