Message ID | 20211127151929.7727-19-mwilck@suse.com (mailing list archive) |
---|---|
State | Not Applicable, archived |
Delegated to: | christophe varoqui |
Headers | show
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Sat, 27 Nov 2021 15:19:48 +0000 From: mwilck@suse.com To: Christophe Varoqui <christophe.varoqui@opensvc.com>, Benjamin Marzinski <bmarzins@redhat.com> Date: Sat, 27 Nov 2021 16:19:11 +0100 Message-Id: <20211127151929.7727-19-mwilck@suse.com> In-Reply-To: <20211127151929.7727-1-mwilck@suse.com> References: <20211127151929.7727-1-mwilck@suse.com> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 1ARFJsJ2000319 X-loop: dm-devel@redhat.com Cc: lixiaokeng@huawei.com, Chongyun Wu <wu.chongyun@h3c.com>, dm-devel@redhat.com, Martin Wilck <mwilck@suse.com> Subject: [dm-devel] [PATCH v3 18/35] multipathd: uxlsnr: data structure for stateful client connection X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development <dm-devel.redhat.com> List-Unsubscribe: <https://listman.redhat.com/mailman/options/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=unsubscribe> List-Archive: <https://listman.redhat.com/archives/dm-devel> List-Post: <mailto:dm-devel@redhat.com> List-Help: <mailto:dm-devel-request@redhat.com?subject=help> List-Subscribe: <https://listman.redhat.com/mailman/listinfo/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=subscribe> Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; 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Series |
multipathd: uxlsnr overhaul
|
expand
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diff --git a/multipathd/uxlsnr.c b/multipathd/uxlsnr.c index 7bbec29..38a9d97 100644 --- a/multipathd/uxlsnr.c +++ b/multipathd/uxlsnr.c @@ -39,10 +39,30 @@ #include "main.h" #include "cli.h" #include "uxlsnr.h" +#include "strbuf.h" + +/* state of client connection */ +enum { + CLT_RECV, + CLT_PARSE, + CLT_LOCKED_WORK, + CLT_WORK, + CLT_SEND, +}; struct client { struct list_head node; + struct timespec expires; + int state; int fd; + vector cmdvec; + /* NUL byte at end */ + char cmd[_MAX_CMD_LEN + 1]; + struct strbuf reply; + struct handler *handler; + size_t cmd_len, len; + int error; + bool is_root; }; /* Indices for array of poll fds */ @@ -110,6 +130,7 @@ static void new_client(int ux_sock) } INIT_LIST_HEAD(&c->node); c->fd = fd; + c->state = CLT_RECV; /* put it in our linked list */ pthread_mutex_lock(&client_lock); @@ -125,6 +146,9 @@ static void _dead_client(struct client *c) int fd = c->fd; list_del_init(&c->node); c->fd = -1; + reset_strbuf(&c->reply); + if (c->cmdvec) + free_keys(c->cmdvec); free(c); close(fd); }