From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) by lore.proxmox.com (Postfix) with ESMTPS id C20131FF17C for ; Wed, 25 Jun 2025 15:24:00 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 9A5211560C; Wed, 25 Jun 2025 15:24:23 +0200 (CEST) From: Maximiliano Sandoval To: pve-devel@lists.proxmox.com Date: Wed, 25 Jun 2025 15:23:47 +0200 Message-Id: <20250625132349.385901-4-m.sandoval@proxmox.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250625132349.385901-1-m.sandoval@proxmox.com> References: <20250625132349.385901-1-m.sandoval@proxmox.com> MIME-Version: 1.0 X-SPAM-LEVEL: Spam detection results: 0 AWL 0.098 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment RCVD_IN_VALIDITY_CERTIFIED_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_RPBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_SAFE_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pve-devel] [PATCH ha-manager v2 3/5] watchdog-mux: warn when about to expire X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Proxmox VE development discussion Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pve-devel-bounces@lists.proxmox.com Sender: "pve-devel" Signed-off-by: Maximiliano Sandoval --- src/watchdog-mux.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/src/watchdog-mux.c b/src/watchdog-mux.c index 2b8cebf..0518e86 100644 --- a/src/watchdog-mux.c +++ b/src/watchdog-mux.c @@ -30,15 +30,23 @@ #define JOURNALCTL_BIN "/bin/journalctl" #define CLIENT_WATCHDOG_TIMEOUT 60 +#define CLIENT_WATCHDOG_TIMEOUT_WARNING (CLIENT_WATCHDOG_TIMEOUT - 10) int watchdog_fd = -1; int watchdog_timeout = 10; int update_watchdog = 1; +enum warning_state_t { + NONE, + WARNING_ISSUED, + FENCE_AVERTED, +}; + typedef struct { int fd; time_t time; int magic_close; + enum warning_state_t warning_state; } wd_client_t; #define MAX_CLIENTS 100 @@ -53,6 +61,7 @@ static wd_client_t *alloc_client(int fd, time_t time) { client_list[i].fd = fd; client_list[i].time = time; client_list[i].magic_close = 0; + client_list[i].warning_state = NONE; return &client_list[i]; } } @@ -235,6 +244,18 @@ int main(void) { time_t ctime = time(NULL); for (i = 0; i < MAX_CLIENTS; i++) { if (client_list[i].fd != 0 && client_list[i].time != 0) { + if (client_list[i].warning_state == WARNING_ISSUED && + (ctime - client_list[i].time) <= CLIENT_WATCHDOG_TIMEOUT_WARNING) { + client_list[i].warning_state = FENCE_AVERTED; + fprintf(stderr, "client watchdog was updated before expiring\n"); + } + + if (client_list[i].warning_state != WARNING_ISSUED && + (ctime - client_list[i].time) > CLIENT_WATCHDOG_TIMEOUT_WARNING) { + client_list[i].warning_state = WARNING_ISSUED; + fprintf(stderr, "client watchdog is about to expire\n"); + } + if ((ctime - client_list[i].time) > CLIENT_WATCHDOG_TIMEOUT) { update_watchdog = 0; fprintf(stderr, "client watchdog expired - disable watchdog updates\n"); -- 2.39.5 _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel