mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-16 00:00:02 +01:00
0735eb0f89
And various other cleanups and harmonizations Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
/* The "status" API request.
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*
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* Author: Steffen Vogel <post@steffenvogel.de>
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <time.h>
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#include <sys/utsname.h>
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#include <sys/sysinfo.h>
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#include <villas/uuid.hpp>
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#include <villas/timing.hpp>
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#include <villas/api/request.hpp>
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#include <villas/api/response.hpp>
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namespace villas {
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namespace node {
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namespace api {
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class StatusRequest : public Request {
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public:
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using Request::Request;
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virtual
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Response * execute()
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{
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int ret;
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if (method != Session::Method::GET)
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throw InvalidMethod(this);
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if (body != nullptr)
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throw BadRequest("Status endpoint does not accept any body data");
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auto *sn = session->getSuperNode();
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struct utsname uts;
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struct sysinfo sinfo;
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char hname[128];
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auto now = time_now();
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auto started = sn->getStartTime();
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ret = gethostname(hname, sizeof(hname));
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if (ret)
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throw Error(HTTP_STATUS_INTERNAL_SERVER_ERROR, "Failed to get system hostname");
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ret = uname(&uts);
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if (ret)
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throw Error(HTTP_STATUS_INTERNAL_SERVER_ERROR, "Failed to get kernel information");
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ret = sysinfo(&sinfo);
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if (ret)
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throw Error(HTTP_STATUS_INTERNAL_SERVER_ERROR, "Failed to get system information");
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float f_load = 1.f / (1 << SI_LOAD_SHIFT);
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tzset();
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json_error_t err;
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json_t *json_status = json_pack_ex(&err, 0, "{ s: s, s: s, s: s, s: s, s: s, s: s, s: s, s: f, s: f, s: { s: s, s: I, s: b }, s: { s: s, s: s, s: s, s: s, s: s, s: s}, s: { s: i, s: i, s: I, s: I, s: [ f, f, f ], s: { s: I, s, I, s: I, s: I }, s: { s: I, s: I }, s: { s: I, s: I } } }",
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"state", stateToString(sn->getState()).c_str(),
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"version", PROJECT_VERSION_STR,
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"release", PROJECT_RELEASE,
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"build_id", PROJECT_BUILD_ID,
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"build_date", PROJECT_BUILD_DATE,
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"hostname", hname,
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"uuid", uuid::toString(sn->getUuid()).c_str(),
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"time_now", time_to_double(&now),
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"time_started", time_to_double(&started),
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"timezone",
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"name", tzname[daylight],
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"offset", (json_int_t) timezone,
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"dst", daylight,
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"kernel",
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"sysname", uts.sysname,
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"nodename", uts.nodename,
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"release", uts.release,
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"version", uts.version,
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"machine", uts.machine,
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"domainname", uts.domainname,
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"system",
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"cores_configured", get_nprocs_conf(),
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"cores", get_nprocs(),
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"processes", (json_int_t) sinfo.procs,
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"uptime", (json_int_t) sinfo.uptime,
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"load",
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f_load * sinfo.loads[0],
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f_load * sinfo.loads[1],
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f_load * sinfo.loads[2],
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"ram",
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"total", (json_int_t) (sinfo.totalram * sinfo.mem_unit),
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"free", (json_int_t) (sinfo.freeram * sinfo.mem_unit),
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"shared", (json_int_t) (sinfo.sharedram * sinfo.mem_unit),
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"buffer", (json_int_t) (sinfo.bufferram * sinfo.mem_unit),
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"swap",
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"total", (json_int_t) (sinfo.totalswap * sinfo.mem_unit),
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"free", (json_int_t) (sinfo.freeswap * sinfo.mem_unit),
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"highmem",
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"total", (json_int_t) (sinfo.totalhigh * sinfo.mem_unit),
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"free", (json_int_t) (sinfo.freehigh * sinfo.mem_unit)
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);
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if (!json_status)
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throw Error(HTTP_STATUS_INTERNAL_SERVER_ERROR, "Failed to prepare response: {}", err.text);
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return new JsonResponse(session, HTTP_STATUS_OK, json_status);
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}
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};
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// Register API request
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static char n[] = "status";
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static char r[] = "/status";
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static char d[] = "get status and statistics of web server";
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static RequestPlugin<StatusRequest, n, r, d> p;
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} // namespace api
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} // namespace node
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} // namespace villas
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