[TD-10430] add dnode check for dnode module

source/server/dnode/inc/dnodeCheck.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TD_DNODE_CHECK_H_
+#define _TD_DNODE_CHECK_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "dnodeInt.h"
+
+typedef struct DnCheck {
+  Dnode *dnode;
+} DnCheck;
+
+int32_t dnodeInitCheck(Dnode *dnode, DnCheck **check);
+void    dnodeCleanupCheck(Dnode *dnode, DnCheck **check);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_TD_DNODE_CHECK_H_*/

source/server/dnode/src/dnodeCheck.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "os.h"
+#include "tglobal.h"
+#include "dnodeCheck.h"
+
+#define MIN_AVAIL_MEMORY_MB 32
+
+static int32_t dnodeBindTcpPort(uint16_t port) {
+#if 0
+  SOCKET             serverSocket;
+  struct sockaddr_in server_addr;
+
+  if ((serverSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
+    dError("failed to create tcp socket since %s", strerror(errno));
+    return -1;
+  }
+
+  bzero(&server_addr, sizeof(server_addr));
+  server_addr.sin_family = AF_INET;
+  server_addr.sin_port = htons(port);
+  server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+  if (bind(serverSocket, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
+    dError("failed to bind tcp port:%d since %s", port, strerror(errno));
+    taosCloseSocket(serverSocket);
+    return -1;
+  }
+
+  if (listen(serverSocket, 5) < 0) {
+    dError("failed to listen tcp port:%d since %s", port, strerror(errno));
+    taosCloseSocket(serverSocket);
+    return -1;
+  }
+
+  taosCloseSocket(serverSocket);
+#endif
+  return 0;
+}
+
+static int32_t dnodeBindUdpPort(int16_t port) {
+#if 0
+  SOCKET             serverSocket;
+  struct sockaddr_in server_addr;
+
+  if ((serverSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
+    dError("failed to create udp socket since %s", strerror(errno));
+    return -1;
+  }
+
+  bzero(&server_addr, sizeof(server_addr));
+  server_addr.sin_family = AF_INET;
+  server_addr.sin_port = htons(port);
+  server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+  if (bind(serverSocket, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
+    dError("failed to bind udp port:%d since %s", port, strerror(errno));
+    taosCloseSocket(serverSocket);
+    return -1;
+  }
+
+  taosCloseSocket(serverSocket);
+#endif
+  return 0;
+}
+
+static int32_t dnodeCheckNetwork() {
+  int32_t  ret;
+  uint16_t startPort = tsServerPort;
+
+  for (uint16_t port = startPort; port < startPort + 12; port++) {
+    ret = dnodeBindTcpPort(port);
+    if (0 != ret) {
+      dError("failed to bind tcp port:%d", port);
+      return -1;
+    }
+    ret = dnodeBindUdpPort(port);
+    if (0 != ret) {
+      dError("failed to bind udp port:%d", port);
+      return -1;
+    }
+  }
+
+  return 0;
+}
+
+static int32_t dnodeCheckMem() {
+  float memoryUsedMB;
+  float memoryAvailMB;
+  if (true != taosGetSysMemory(&memoryUsedMB)) {
+    dError("failed to get system memory since %s, errno:%u,", strerror(errno), errno);
+    return -1;
+  }
+
+  memoryAvailMB = (float)tsTotalMemoryMB - memoryUsedMB;
+
+  if (memoryAvailMB < MIN_AVAIL_MEMORY_MB) {
+    dError("available memory %fMB less than the threshold %dMB", memoryAvailMB, MIN_AVAIL_MEMORY_MB);
+    return -1;
+  }
+
+  return 0;
+}
+
+static int32_t dnodeCheckDisk() {
+  taosGetDisk();
+
+  if (tsAvailDataDirGB < tsMinimalDataDirGB) {
+    dError("dataDir disk size:%fGB less than threshold %fGB ", tsAvailDataDirGB, tsMinimalDataDirGB);
+    return -1;
+  }
+
+  if (tsAvailLogDirGB < tsMinimalLogDirGB) {
+    dError("logDir disk size:%fGB less than threshold %fGB", tsAvailLogDirGB, tsMinimalLogDirGB);
+    return -1;
+  }
+
+  if (tsAvailTmpDirectorySpace < tsReservedTmpDirectorySpace) {
+    dError("tmpDir disk size:%fGB less than threshold %fGB", tsAvailTmpDirectorySpace, tsReservedTmpDirectorySpace);
+    return -1;
+  }
+
+  return 0;
+}
+
+static int32_t dnodeCheckCpu() { return 0; }
+static int32_t dnodeCheckOs() { return 0; }
+static int32_t dnodeCheckAccess() { return 0; }
+static int32_t dnodeCheckVersion() { return 0; }
+static int32_t dnodeCheckDatafile() { return 0; }
+
+int32_t dnodeInitCheck(Dnode *dnode, DnCheck **out) {
+  DnCheck *check = calloc(1, sizeof(DnCheck));
+  if (check == NULL) return -1;
+
+  check->dnode = dnode;
+  *out = check;
+
+  if (dnodeCheckNetwork() != 0) {
+    dError("failed to check network");
+    return -1;
+  }
+
+  if (dnodeCheckMem() != 0) {
+    dError("failed to check memory");
+    return -1;
+  }
+
+  if (dnodeCheckCpu() != 0) {
+    dError("failed to check cpu");
+    return -1;
+  }
+
+  if (dnodeCheckDisk() != 0) {
+    dError("failed to check disk");
+    return -1;
+  }
+
+  if (dnodeCheckOs() != 0) {
+    dError("failed to check os");
+    return -1;
+  }
+
+  if (dnodeCheckAccess() != 0) {
+    dError("failed to check access");
+    return -1;
+  }
+
+  if (dnodeCheckVersion() != 0) {
+    dError("failed to check version");
+    return -1;
+  }
+
+  if (dnodeCheckDatafile() != 0) {
+    dError("failed to check datafile");
+    return -1;
+  }
+
+  dInfo("dnode check is finished");
+  return 0;
+}
+
+void dnodeCleanupCheck(Dnode *dnode, DnCheck **out) {
+  DnCheck *check = *out;
+  *out = NULL;
+
+  free(check);
+}
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