Add system namespace which offers various system information like software release, memory and swap info, uptime and load
This commit is contained in:
Jo-Philipp Wich
parent
09f387b2fa
commit
e5c9b0411d
4 changed files with 234 additions and 1 deletions
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@ -10,7 +10,7 @@ IF(APPLE)
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LINK_DIRECTORIES(/opt/local/lib)
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ENDIF()
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ADD_EXECUTABLE(luci-rpcd main.c session.c file.c uci.c iwinfo.c)
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ADD_EXECUTABLE(luci-rpcd main.c session.c file.c uci.c iwinfo.c system.c)
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TARGET_LINK_LIBRARIES(luci-rpcd ubox ubus uci iwinfo)
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SET(CMAKE_INSTALL_PREFIX /usr)
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2
main.c
2
main.c
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@ -27,6 +27,7 @@
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#include "file.h"
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#include "uci.h"
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#include "iwinfo.h"
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#include "system.h"
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static struct ubus_context *ctx;
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@ -64,6 +65,7 @@ int main(int argc, char **argv)
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rpc_file_api_init(ctx);
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rpc_uci_api_init(ctx);
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rpc_iwinfo_api_init(ctx);
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rpc_system_api_init(ctx);
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uloop_run();
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ubus_free(ctx);
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204
system.c
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204
system.c
Normal file
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@ -0,0 +1,204 @@
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/*
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* luci-rpcd - LuCI UBUS RPC server
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*
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* Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <time.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <sys/sysinfo.h>
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#include <sys/utsname.h>
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#include "system.h"
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static struct blob_buf buf;
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static int
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rpc_system_board(struct ubus_context *ctx, struct ubus_object *obj,
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struct ubus_request_data *req, const char *method,
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struct blob_attr *msg)
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{
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void *c;
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char line[256];
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char *key, *val;
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struct utsname utsname;
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FILE *f;
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blob_buf_init(&buf, 0);
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if (uname(&utsname) >= 0)
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{
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blobmsg_add_string(&buf, "kernel", utsname.release);
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blobmsg_add_string(&buf, "hostname", utsname.nodename);
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}
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if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
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{
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while(fgets(line, sizeof(line), f))
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{
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key = strtok(line, "\t:");
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val = strtok(NULL, "\t\n");
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if (!key || !val)
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continue;
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if (!strcasecmp(key, "system type") ||
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!strcasecmp(key, "processor") ||
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!strcasecmp(key, "model name"))
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{
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blobmsg_add_string(&buf, "system", val + 2);
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break;
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}
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}
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fclose(f);
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}
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if ((f = fopen("/tmp/sysinfo/model", "r")) != NULL)
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{
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if (fgets(line, sizeof(line), f))
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{
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val = strtok(line, "\t\n");
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if (val)
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blobmsg_add_string(&buf, "model", val);
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}
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fclose(f);
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}
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else if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
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{
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while(fgets(line, sizeof(line), f))
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{
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key = strtok(line, "\t:");
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val = strtok(NULL, "\t\n");
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if (!key || !val)
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continue;
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if (!strcasecmp(key, "machine") ||
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!strcasecmp(key, "hardware"))
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{
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blobmsg_add_string(&buf, "model", val + 2);
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break;
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}
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}
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fclose(f);
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}
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if ((f = fopen("/etc/openwrt_release", "r")) != NULL)
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{
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c = blobmsg_open_table(&buf, "release");
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while (fgets(line, sizeof(line), f))
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{
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key = strtok(line, "=\"");
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val = strtok(NULL, "\"\n");
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if (!key || !val)
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continue;
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if (!strcasecmp(key, "DISTRIB_ID"))
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blobmsg_add_string(&buf, "distribution", val);
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else if (!strcasecmp(key, "DISTRIB_RELEASE"))
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blobmsg_add_string(&buf, "version", val);
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else if (!strcasecmp(key, "DISTRIB_REVISION"))
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blobmsg_add_string(&buf, "revision", val);
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else if (!strcasecmp(key, "DISTRIB_CODENAME"))
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blobmsg_add_string(&buf, "codename", val);
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else if (!strcasecmp(key, "DISTRIB_TARGET"))
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blobmsg_add_string(&buf, "target", val);
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else if (!strcasecmp(key, "DISTRIB_DESCRIPTION"))
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blobmsg_add_string(&buf, "description", val);
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}
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blobmsg_close_array(&buf, c);
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fclose(f);
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}
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ubus_send_reply(ctx, req, buf.head);
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return UBUS_STATUS_OK;
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}
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static int
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rpc_system_info(struct ubus_context *ctx, struct ubus_object *obj,
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struct ubus_request_data *req, const char *method,
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struct blob_attr *msg)
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{
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void *c;
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time_t now;
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struct tm *tm;
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struct sysinfo info;
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now = time(NULL);
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if (!(tm = localtime(&now)))
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return UBUS_STATUS_UNKNOWN_ERROR;
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if (sysinfo(&info))
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return UBUS_STATUS_UNKNOWN_ERROR;
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blob_buf_init(&buf, 0);
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blobmsg_add_u32(&buf, "uptime", info.uptime);
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blobmsg_add_u32(&buf, "localtime", mktime(tm));
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c = blobmsg_open_array(&buf, "load");
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blobmsg_add_u32(&buf, NULL, info.loads[0]);
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blobmsg_add_u32(&buf, NULL, info.loads[1]);
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blobmsg_add_u32(&buf, NULL, info.loads[2]);
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blobmsg_close_array(&buf, c);
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c = blobmsg_open_table(&buf, "memory");
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blobmsg_add_u32(&buf, "total", info.mem_unit * info.totalram);
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blobmsg_add_u32(&buf, "free", info.mem_unit * info.freeram);
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blobmsg_add_u32(&buf, "shared", info.mem_unit * info.sharedram);
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blobmsg_add_u32(&buf, "buffered", info.mem_unit * info.bufferram);
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blobmsg_close_table(&buf, c);
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c = blobmsg_open_table(&buf, "swap");
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blobmsg_add_u32(&buf, "total", info.mem_unit * info.totalswap);
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blobmsg_add_u32(&buf, "free", info.mem_unit * info.freeswap);
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blobmsg_close_table(&buf, c);
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ubus_send_reply(ctx, req, buf.head);
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return UBUS_STATUS_OK;
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}
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int rpc_system_api_init(struct ubus_context *ctx)
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{
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static const struct ubus_method system_methods[] = {
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UBUS_METHOD_NOARG("board", rpc_system_board),
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UBUS_METHOD_NOARG("info", rpc_system_info),
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};
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static struct ubus_object_type system_type =
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UBUS_OBJECT_TYPE("luci-rpc-system", system_methods);
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static struct ubus_object obj = {
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.name = "system",
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.type = &system_type,
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.methods = system_methods,
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.n_methods = ARRAY_SIZE(system_methods),
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};
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return ubus_add_object(ctx, &obj);
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}
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27
system.h
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27
system.h
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@ -0,0 +1,27 @@
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/*
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* luci-rpcd - LuCI UBUS RPC server
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*
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* Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __RPC_SYSTEM_H
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#define __RPC_SYSTEM_H
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#include <libubus.h>
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#include <libubox/blobmsg.h>
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int rpc_system_api_init(struct ubus_context *ctx);
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#endif
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