+++ /dev/null
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#include "node.h"
-#include "platform.h"
-
-#include <v8.h>
-
-#include <sys/param.h> // for MAXPATHLEN
-#include <sys/sysinfo.h>
-#include <unistd.h> // getpagesize, sysconf
-#include <stdio.h> // sscanf, snprintf
-#include <string.h>
-
-#include <windows.h>
-
-
-namespace node {
-
-using namespace v8;
-
-static char buf[MAXPATHLEN + 1];
-static char *process_title = NULL;
-double Platform::prog_start_time = Platform::GetUptime();
-
-// Does the about the same as perror(), but for windows api functions
-static void _winapi_perror(const char* prefix = NULL) {
- DWORD errorno = GetLastError();
- char *errmsg;
-
- FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL, errorno, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&errmsg, 0, NULL);
-
- // FormatMessage messages include a newline character
-
- if (prefix) {
- fprintf(stderr, "%s: %s", prefix, errmsg);
- } else {
- fputs(errmsg, stderr);
- }
-}
-
-
-char** Platform::SetupArgs(int argc, char *argv[]) {
- return argv;
-}
-
-
-// Max title length; the only thing MSDN tells us about the maximum length
-// of the console title is that it is smaller than 64K. However in practice
-// it is much smaller, and there is no way to figure out what the exact length
-// of the title is or can be, at least not on XP. To make it even more
-// annoying, GetConsoleTitle failes when the buffer to be read into is bigger
-// than the actual maximum length. So we make a conservative guess here;
-// just don't put the novel you're writing in the title, unless the plot
-// survives truncation.
-#define MAX_TITLE_LENGTH 8192
-
-void Platform::SetProcessTitle(char *title) {
- // We need to convert _title_ to UTF-16 first, because that's what windows uses internally.
- // It would be more efficient to use the UTF-16 value that we can obtain from v8,
- // but it's not accessible from here.
-
- int length;
- WCHAR *title_w;
-
- // Find out how big the buffer for the wide-char title must be
- length = MultiByteToWideChar(CP_UTF8, 0, title, -1, NULL, 0);
- if (!length) {
- _winapi_perror("MultiByteToWideChar");
- return;
- }
-
- // Convert to wide-char string
- title_w = new WCHAR[length];
- length = MultiByteToWideChar(CP_UTF8, 0, title, -1, title_w, length);
- if (!length) {
- _winapi_perror("MultiByteToWideChar");
- delete[] title_w;
- return;
- };
-
- // If the title must be truncated insert a \0 terminator there
- if (length > MAX_TITLE_LENGTH) {
- title_w[MAX_TITLE_LENGTH - 1] = *L"\0";
- }
-
- if (!SetConsoleTitleW(title_w)) {
- _winapi_perror("SetConsoleTitleW");
- }
-
- free(process_title);
- process_title = strdup(title);
-
- delete[] title_w;
-}
-
-
-static inline char* _getProcessTitle() {
- WCHAR title_w[MAX_TITLE_LENGTH];
- char *title;
- int result, length;
-
- result = GetConsoleTitleW(title_w, sizeof(title_w) / sizeof(WCHAR));
-
- if (result == 0) {
- _winapi_perror("GetConsoleTitleW");
- return NULL;
- }
-
- // Find out what the size of the buffer is that we need
- length = WideCharToMultiByte(CP_UTF8, 0, title_w, -1, NULL, 0, NULL, NULL);
- if (!length) {
- _winapi_perror("WideCharToMultiByte");
- return NULL;
- }
-
- title = (char *) malloc(length);
- if (!title) {
- perror("malloc");
- return NULL;
- }
-
- // Do utf16 -> utf8 conversion here
- if (!WideCharToMultiByte(CP_UTF8, 0, title_w, -1, title, length, NULL, NULL)) {
- _winapi_perror("WideCharToMultiByte");
- free(title);
- return NULL;
- }
-
- return title;
-}
-
-
-const char* Platform::GetProcessTitle(int *len) {
- // If the process_title was never read before nor explicitly set,
- // we must query it with getConsoleTitleW
- if (!process_title) {
- process_title = _getProcessTitle();
- }
-
- if (process_title) {
- *len = strlen(process_title);
- return process_title;
- } else {
- *len = 0;
- return NULL;
- }
-}
-
-
-int Platform::GetMemory(size_t *rss) {
- FILE *f = fopen("/proc/self/stat", "r");
- if (!f) return -1;
-
- int itmp;
- char ctmp;
- size_t page_size = getpagesize();
-
- /* PID */
- if (fscanf(f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Exec file */
- if (fscanf (f, "%s ", buf) == 0) goto error; /* coverity[secure_coding] */
- /* State */
- if (fscanf (f, "%c ", &ctmp) == 0) goto error; /* coverity[secure_coding] */
- /* Parent process */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Process group */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Session id */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* TTY */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* TTY owner process group */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Flags */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Minor faults (no memory page) */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Minor faults, children */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Major faults (memory page faults) */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Major faults, children */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* utime */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* stime */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* utime, children */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* stime, children */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* jiffies remaining in current time slice */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* 'nice' value */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* jiffies until next timeout */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* jiffies until next SIGALRM */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* start time (jiffies since system boot) */
- if (fscanf (f, "%d ", &itmp) == 0) goto error; /* coverity[secure_coding] */
-
- /* Virtual memory size */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
-
- /* Resident set size */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- *rss = (size_t) itmp * page_size;
-
- /* rlim */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Start of text */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* End of text */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
- /* Start of stack */
- if (fscanf (f, "%u ", &itmp) == 0) goto error; /* coverity[secure_coding] */
-
- fclose (f);
-
- return 0;
-
-error:
- fclose (f);
- return -1;
-}
-
-
-int Platform::GetCPUInfo(Local<Array> *cpus) {
- HandleScope scope;
- Local<Object> cpuinfo;
- Local<Object> cputimes;
- unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK),
- multiplier = ((uint64_t)1000L / ticks), cpuspeed;
- int numcpus = 0, i = 0;
- unsigned long long ticks_user, ticks_sys, ticks_idle, ticks_nice, ticks_intr;
- char line[512], speedPath[256], model[512];
- FILE *fpStat = fopen("/proc/stat", "r");
- FILE *fpModel = fopen("/proc/cpuinfo", "r");
- FILE *fpSpeed;
-
- if (fpModel) {
- while (fgets(line, 511, fpModel) != NULL) {
- if (strncmp(line, "model name", 10) == 0) {
- numcpus++;
- if (numcpus == 1) {
- char *p = strchr(line, ':') + 2;
- strcpy(model, p);
- model[strlen(model)-1] = 0;
- }
- } else if (strncmp(line, "cpu MHz", 7) == 0) {
- if (numcpus == 1) {
- sscanf(line, "%*s %*s : %u", &cpuspeed);
- }
- }
- }
- fclose(fpModel);
- }
-
- *cpus = Array::New(numcpus);
-
- if (fpStat) {
- while (fgets(line, 511, fpStat) != NULL) {
- if (strncmp(line, "cpu ", 4) == 0) {
- continue;
- } else if (strncmp(line, "cpu", 3) != 0) {
- break;
- }
-
- sscanf(line, "%*s %llu %llu %llu %llu",
- &ticks_user, &ticks_nice, &ticks_sys, &ticks_idle);
- snprintf(speedPath, sizeof(speedPath),
- "/sys/devices/system/cpu/cpu%u/cpufreq/cpuinfo_max_freq", i);
-
- fpSpeed = fopen(speedPath, "r");
- if (fpSpeed) {
- if (fgets(line, 511, fpSpeed) != NULL) {
- sscanf(line, "%u", &cpuspeed);
- cpuspeed /= 1000;
- }
- fclose(fpSpeed);
- }
- cpuinfo = Object::New();
- cputimes = Object::New();
- cputimes->Set(String::New("user"), Number::New(ticks_user * multiplier));
- cputimes->Set(String::New("nice"), Number::New(ticks_nice * multiplier));
- cputimes->Set(String::New("sys"), Number::New(ticks_sys * multiplier));
- cputimes->Set(String::New("idle"), Number::New(ticks_idle * multiplier));
- cputimes->Set(String::New("irq"), Number::New(0));
-
- cpuinfo->Set(String::New("model"), String::New(model));
- cpuinfo->Set(String::New("speed"), Number::New(cpuspeed));
-
- cpuinfo->Set(String::New("times"), cputimes);
- (*cpus)->Set(i++, cpuinfo);
- }
- fclose(fpStat);
- }
-
- return 0;
-}
-
-double Platform::GetUptimeImpl() {
- double amount;
- char line[512];
- FILE *fpUptime = fopen("/proc/uptime", "r");
-
- amount = 0;
-
- if (fpUptime) {
- if (fgets(line, 511, fpUptime) != NULL) {
- sscanf(line, "%lf %*lf", &amount);
- }
- fclose(fpUptime);
- }
-
- return amount;
-}
-
-Handle<Value> Platform::GetInterfaceAddresses() {
- HandleScope scope;
- return scope.Close(Object::New());
-}
-
-
-} // namespace node
projects / platform / upstream / nodejs.git / commitdiff