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GET /api/patches/151/?format=api
{ "id": 151, "url": "http://patches.dpdk.org/api/patches/151/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1407880053-14650-1-git-send-email-tomas.vestelind@gmail.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1407880053-14650-1-git-send-email-tomas.vestelind@gmail.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1407880053-14650-1-git-send-email-tomas.vestelind@gmail.com", "date": "2014-08-12T21:47:33", "name": "[dpdk-dev] hash: added rte_hash_keys to extract all keys", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "411f3153026b0dba95d40f88055f6ce4205883df", "submitter": { "id": 53, "url": "http://patches.dpdk.org/api/people/53/?format=api", "name": "Tomas Vestelind", "email": "tomas.vestelind@gmail.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1407880053-14650-1-git-send-email-tomas.vestelind@gmail.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/151/comments/", "check": "pending", "checks": "http://patches.dpdk.org/api/patches/151/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<tomas.vestelind@gmail.com>", "Received": [ "from mail-lb0-f170.google.com (mail-lb0-f170.google.com\n\t[209.85.217.170]) by dpdk.org (Postfix) with ESMTP id 2137BB3BE\n\tfor <dev@dpdk.org>; Tue, 12 Aug 2014 23:46:25 +0200 (CEST)", "by mail-lb0-f170.google.com with SMTP id l4so5729855lbv.29\n\tfor <dev@dpdk.org>; Tue, 12 Aug 2014 14:49:21 -0700 (PDT)", "from localhost.localdomain (h-79-136-64-87.na.cust.bahnhof.se.\n\t[79.136.64.87]) by mx.google.com with ESMTPSA id\n\tsc8sm24729288lbb.27.2014.08.12.14.49.20 for <dev@dpdk.org>\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tTue, 12 Aug 2014 14:49:20 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;\n\th=from:to:subject:date:message-id;\n\tbh=KLHUljExnHpaNZvKYLsVmg1hXYIHPELprLqgoPqIP7c=;\n\tb=kh9af1jmvM2s5khtwz+uaVb+WJlSzepkw7F7YbfcPWkzRjWeGi9gFxMD5EsZDnXPdk\n\tTsmmA8Qdh0Hv/DS3y+Cxo5hVB0fvFtdLhxzkRZPa5u3LicjK2qyDkZD/E27+hCfBmV6D\n\t8I1275XW2dBEoS2M2AH5YobshhB5FlkAgGZtKRWK3SCsgOv39KC175t+nc+aGDvNBiBP\n\t1tYZ16dRahZZAkhSjVIToT5XiNG6Tu97JB493eGyBlRoVPQFQxgMG9k+79ZLJRSkh1wH\n\texsNw2Zi8I7+muOT7sc470VVnzGY0mT+sqOIljkvA3Y9ucccSqM2/sr0nFj5U78eqD86\n\tTQGQ==", "X-Received": "by 10.152.121.7 with SMTP id lg7mr401578lab.98.1407880161523;\n\tTue, 12 Aug 2014 14:49:21 -0700 (PDT)", "From": "Tomas Vestelind <tomas.vestelind@gmail.com>", "To": "dev@dpdk.org", "Date": "Tue, 12 Aug 2014 23:47:33 +0200", "Message-Id": "<1407880053-14650-1-git-send-email-tomas.vestelind@gmail.com>", "X-Mailer": "git-send-email 1.7.10.4", "Subject": "[dpdk-dev] [PATCH] hash: added rte_hash_keys to extract all keys", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "X-List-Received-Date": "Tue, 12 Aug 2014 21:46:25 -0000" }, "content": "I added a function which extracts all the configured keys in a hash map.\nThis is good to have when debugging and printing data store in hash\nmaps.\n\nSigned-off-by: Tomas Vestelind <tomas.vestelind@gmail.com>\n---\n lib/librte_hash/rte_hash.c | 26 ++++++++++++++++++++++++++\n lib/librte_hash/rte_hash.h | 15 +++++++++++++++\n 2 files changed, 41 insertions(+)", "diff": "diff --git a/lib/librte_hash/rte_hash.c b/lib/librte_hash/rte_hash.c\nindex d02b6b4..2108c4f 100644\n--- a/lib/librte_hash/rte_hash.c\n+++ b/lib/librte_hash/rte_hash.c\n@@ -481,3 +481,29 @@ rte_hash_lookup_bulk(const struct rte_hash *h, const void **keys,\n \n \treturn 0;\n }\n+\n+unsigned int\n+rte_hash_keys(const struct rte_hash *h, void *keys)\n+{\n+ unsigned int found_keys = 0;\n+ unsigned int bucket, entry;\n+\n+ /* Go through each bucket and all its entries */\n+ for (bucket = 0; bucket < h->num_buckets; bucket++) {\n+ const hash_sig_t *sig = get_sig_tbl_bucket(h, bucket);\n+\n+ for (entry = 0; entry < h->bucket_entries; entry++) {\n+ /* If the signature is valid, find and save the corresponding key */\n+ if (sig[entry] != NULL_SIGNATURE) {\n+ uint8_t *key_bucket = get_key_tbl_bucket(h, bucket);\n+ void *key = get_key_from_bucket(h, key_bucket, entry);\n+ rte_memcpy(keys, key, h->key_len);\n+\n+ keys = (uint8_t* )keys + h->key_len;\n+ found_keys++;\n+ }\n+ }\n+ }\n+\n+ return found_keys;\n+}\ndiff --git a/lib/librte_hash/rte_hash.h b/lib/librte_hash/rte_hash.h\nindex 2ecaf1a..e0fb28f 100644\n--- a/lib/librte_hash/rte_hash.h\n+++ b/lib/librte_hash/rte_hash.h\n@@ -303,6 +303,21 @@ rte_hash_hash(const struct rte_hash *h, const void *key)\n int\n rte_hash_lookup_bulk(const struct rte_hash *h, const void **keys,\n \t\t uint32_t num_keys, int32_t *positions);\n+\n+/**\n+ * Copy the hash table keys to the supplied list of keys.\n+ * This operation is multi-thread safe.\n+ *\n+ * @param h\n+ * Hash table to look in.\n+ * @param keys\n+ * A pointer to a list of where keys will be written.\n+ * Must be large enough to fit a potentially full hash map.\n+ * @return\n+ * The number of found keys.\n+ */\n+unsigned int\n+rte_hash_keys(const struct rte_hash *h, void *keys);\n #ifdef __cplusplus\n }\n #endif\n", "prefixes": [ "dpdk-dev" ] }