resp协议定义， xml定义配置文件
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891
NtyCo/sample/nty_http_server_mulcore.c
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891
NtyCo/sample/nty_http_server_mulcore.c
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@@ -0,0 +1,891 @@
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/*
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* Author : WangBoJing , email : 1989wangbojing@gmail.com
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*
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* Copyright Statement:
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* --------------------
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* This software is protected by Copyright and the information contained
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* herein is confidential. The software may not be copied and the information
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* contained herein may not be used or disclosed except with the written
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* permission of Author. (C) 2017
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*
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*
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**** ***** *****
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*** * ** ***
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*** * * * **
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* ** * * ** **
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* ** * * ** *
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* ** * ** ** *
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* ** * *** **
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* ** * *********** ***** ***** ** ****
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* ** * ** ** ** ** ** **
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* ** * ** ** * ** * **
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* ** * ** * * ** ** **
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* ** * ** ** * ** * **
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* ** * ** * * ** ** **
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* ** * ** ** * ** ** **
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* ** * ** ** * ** ** **
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* ** * ** * * ** ** **
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* ** * ** ** * ** * ** **
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* *** ** * * ** * ** **
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* *** ** * ** * * ** **
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* ** ** * ** ** * ** **
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* ** ** * * ** * ** **
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***** * **** * ***** ****
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*
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*
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*****
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****
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*
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*/
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#include <arpa/inet.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/sysinfo.h>
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#include <sys/syscall.h>
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#include <sys/stat.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <sys/sem.h>
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#define __USE_GNU
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#include <sched.h>
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#include <string.h>
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#include <pthread.h>
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#include <ctype.h>
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#include "nty_coroutine.h"
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static int global_shmid = -1;
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static int global_semid = -1;
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#define TIME_SUB_MS(tv1, tv2) ((tv1.tv_sec - tv2.tv_sec) * 1000 + (tv1.tv_usec - tv2.tv_usec) / 1000)
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typedef struct _shm_area {
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int total;
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int accept_lock;
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struct timeval tv_begin;
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} shm_area;
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static shm_area *global_shmaddr = NULL;
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#define MAX_CLIENT_NUM 1000000
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struct timeval* get_shm_timevalue(void);
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void set_shm_timevalue(struct timeval *tv);
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int add_shmvalue(void);
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int sub_shmvalue(void);
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int init_shmvalue(void);
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int lock_accept_mutex(void);
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int unlock_accept_mutex(void);
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unsigned long cmpxchg(void *addr, unsigned long _old, unsigned long _new, int size) {
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unsigned long prev;
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volatile unsigned int *_ptr = (volatile unsigned int *)(addr);
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switch (size) {
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case 1: {
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__asm__ volatile (
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"lock; cmpxchgb %b1, %2"
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: "=a" (prev)
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: "r" (_new), "m" (*_ptr), "0" (_old)
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: "memory");
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break;
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}
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case 2: {
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__asm__ volatile (
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"lock; cmpxchgw %w1, %2"
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: "=a" (prev)
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: "r" (_new), "m" (*_ptr), "0" (_old)
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: "memory");
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break;
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}
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case 4: {
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__asm__ volatile (
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"lock; cmpxchg %1, %2"
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: "=a" (prev)
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: "r" (_new), "m" (*_ptr), "0" (_old)
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: "memory");
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break;
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}
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}
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return prev;
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}
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#define ISspace(x) isspace((int)(x))
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#define SERVER_STRING "Server: ntyco_httpd/0.1.0\r\n"
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#define STDIN 0
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#define STDOUT 1
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#define STDERR 2
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#define ENABLE_NTYCO 1
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#if ENABLE_NTYCO
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#define socket nty_socket
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#define accept nty_accept
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#define recv(a, b, c, d) nty_recv(a, b, c, d)
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#define send(a, b, c, d) nty_send(a, b, c, d)
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#define close(a) nty_close(a)
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#define MAX_BUFFER_LENGTH 1024
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#endif
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void accept_request(void *);
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void bad_request(int);
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void cat(int, FILE *);
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void cannot_execute(int);
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void error_die(const char *);
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void execute_cgi(int, const char *, const char *, const char *);
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int get_line(int, char *, int);
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void headers(int, const char *);
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void not_found(int);
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void serve_file(int, const char *);
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int startup(u_short *);
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void unimplemented(int);
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int readline(char* allbuf, int level, char* linebuf) {
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int len = strlen(allbuf);
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for (;level < len; ++level) {
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if(allbuf[level]=='\r' && allbuf[level+1]=='\n')
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return level+2;
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else
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*(linebuf++) = allbuf[level];
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}
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return -1;
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}
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/**********************************************************************/
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/* A request has caused a call to accept() on the server port to
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* return. Process the request appropriately.
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* Parameters: the socket connected to the client */
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/**********************************************************************/
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void accept_request(void *arg)
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{
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int *pclient = (int*)arg;
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int client = *pclient;
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char buf[1024];
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size_t numchars;
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char method[16];
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char url[32];
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char path[64];
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size_t i, j;
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struct stat st;
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int cgi = 0; /* becomes true if server decides this is a CGI
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* program */
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char *query_string = NULL;
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numchars = recv(client, buf, sizeof(buf), 0);
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i = 0; j = 0;
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while (!ISspace(buf[i]) && (i < sizeof(method) - 1))
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{
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method[i] = buf[i];
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i++;
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}
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j=i;
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method[i] = '\0';
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if (strcasecmp(method, "GET") && strcasecmp(method, "POST"))
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{
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unimplemented(client);
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return;
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}
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if (strcasecmp(method, "POST") == 0)
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cgi = 1;
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i = 0;
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while (ISspace(buf[j]) && (j < numchars))
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j++;
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while (!ISspace(buf[j]) && (i < sizeof(url) - 1) && (j < numchars))
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{
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url[i] = buf[j];
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i++; j++;
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}
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url[i] = '\0';
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if (strcasecmp(method, "GET") == 0)
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{
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query_string = url;
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while ((*query_string != '?') && (*query_string != '\0'))
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query_string++;
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if (*query_string == '?')
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{
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cgi = 1;
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*query_string = '\0';
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query_string++;
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}
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}
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sprintf(path, "htdocs%s", url);
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if (path[strlen(path) - 1] == '/')
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strcat(path, "index.html");
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if (stat(path, &st) == -1) {
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while ((numchars > 0) && strcmp("\n", buf)) /* read & discard headers */
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numchars = get_line(client, buf, sizeof(buf));
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not_found(client);
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}
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else
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{
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if ((st.st_mode & S_IFMT) == S_IFDIR)
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strcat(path, "/index.html");
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if ((st.st_mode & S_IXUSR) ||
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(st.st_mode & S_IXGRP) ||
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(st.st_mode & S_IXOTH) )
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cgi = 1;
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cgi = 0;
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if (!cgi)
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serve_file(client, path);
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else
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execute_cgi(client, path, method, query_string);
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}
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close(client);
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free(pclient);
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}
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/**********************************************************************/
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/* Inform the client that a request it has made has a problem.
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* Parameters: client socket */
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/**********************************************************************/
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void bad_request(int client)
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{
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char buf[1024];
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sprintf(buf, "HTTP/1.0 400 BAD REQUEST\r\n");
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send(client, buf, sizeof(buf), 0);
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sprintf(buf, "Content-type: text/html\r\n");
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send(client, buf, sizeof(buf), 0);
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sprintf(buf, "\r\n");
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send(client, buf, sizeof(buf), 0);
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sprintf(buf, "<P>Your browser sent a bad request, ");
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send(client, buf, sizeof(buf), 0);
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sprintf(buf, "such as a POST without a Content-Length.\r\n");
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send(client, buf, sizeof(buf), 0);
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}
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/**********************************************************************/
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/* Put the entire contents of a file out on a socket. This function
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* is named after the UNIX "cat" command, because it might have been
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* easier just to do something like pipe, fork, and exec("cat").
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* Parameters: the client socket descriptor
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* FILE pointer for the file to cat */
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/**********************************************************************/
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#define HTML_PAGE "<HTML> \
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<TITLE>Index</TITLE> \
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<BODY> \
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<P>Welcome to J. David's webserver.\
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<H1>CGI demo \
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<FORM ACTION=\"color.cgi\" METHOD=\"POST\">\
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Enter a color: <INPUT TYPE=\"text\" NAME=\"color\">\
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<INPUT TYPE=\"submit\">\
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</FORM>\
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</BODY>\
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</HTML>"
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void cat(int client, FILE *resource)
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{
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#if ENABLE_NTYCO
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char buf[1024] = HTML_PAGE;
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send(client, buf, strlen(buf), 0);
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#else
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char buf[1024] = {0};
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fgets(buf, sizeof(buf), resource);
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while (!feof(resource))
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{
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send(client, buf, strlen(buf), 0);
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fgets(buf, sizeof(buf), resource);
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}
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#endif
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}
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/**********************************************************************/
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/* Inform the client that a CGI script could not be executed.
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* Parameter: the client socket descriptor. */
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/**********************************************************************/
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void cannot_execute(int client)
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{
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char buf[1024];
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sprintf(buf, "HTTP/1.0 500 Internal Server Error\r\n");
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send(client, buf, strlen(buf), 0);
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sprintf(buf, "Content-type: text/html\r\n");
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send(client, buf, strlen(buf), 0);
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sprintf(buf, "\r\n");
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send(client, buf, strlen(buf), 0);
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sprintf(buf, "<P>Error prohibited CGI execution.\r\n");
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send(client, buf, strlen(buf), 0);
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}
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/**********************************************************************/
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/* Print out an error message with perror() (for system errors; based
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* on value of errno, which indicates system call errors) and exit the
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* program indicating an error. */
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/**********************************************************************/
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void error_die(const char *sc)
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{
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perror(sc);
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exit(1);
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}
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/**********************************************************************/
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/* Execute a CGI script. Will need to set environment variables as
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* appropriate.
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* Parameters: client socket descriptor
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* path to the CGI script */
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/**********************************************************************/
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void execute_cgi(int client, const char *path,
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const char *method, const char *query_string)
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{
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char buf[1024];
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int cgi_output[2];
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int cgi_input[2];
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pid_t pid;
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int status;
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int i;
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char c;
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int numchars = 1;
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int content_length = -1;
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buf[0] = 'A'; buf[1] = '\0';
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if (strcasecmp(method, "GET") == 0)
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while ((numchars > 0) && strcmp("\n", buf)) /* read & discard headers */
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numchars = get_line(client, buf, sizeof(buf));
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else if (strcasecmp(method, "POST") == 0) /*POST*/
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{
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numchars = get_line(client, buf, sizeof(buf));
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while ((numchars > 0) && strcmp("\n", buf))
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{
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buf[15] = '\0';
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if (strcasecmp(buf, "Content-Length:") == 0)
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content_length = atoi(&(buf[16]));
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numchars = get_line(client, buf, sizeof(buf));
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}
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if (content_length == -1) {
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bad_request(client);
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return;
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}
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}
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else/*HEAD or other*/
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||||
{
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}
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||||
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||||
|
||||
if (pipe(cgi_output) < 0) {
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cannot_execute(client);
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return;
|
||||
}
|
||||
if (pipe(cgi_input) < 0) {
|
||||
cannot_execute(client);
|
||||
return;
|
||||
}
|
||||
|
||||
if ( (pid = fork()) < 0 ) {
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cannot_execute(client);
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||||
return;
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||||
}
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sprintf(buf, "HTTP/1.0 200 OK\r\n");
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send(client, buf, strlen(buf), 0);
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if (pid == 0) /* child: CGI script */
|
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{
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char meth_env[255];
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char query_env[255];
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||||
char length_env[255];
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||||
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||||
dup2(cgi_output[1], STDOUT);
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||||
dup2(cgi_input[0], STDIN);
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||||
close(cgi_output[0]);
|
||||
close(cgi_input[1]);
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||||
sprintf(meth_env, "REQUEST_METHOD=%s", method);
|
||||
putenv(meth_env);
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||||
if (strcasecmp(method, "GET") == 0) {
|
||||
sprintf(query_env, "QUERY_STRING=%s", query_string);
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||||
putenv(query_env);
|
||||
}
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||||
else { /* POST */
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||||
sprintf(length_env, "CONTENT_LENGTH=%d", content_length);
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||||
putenv(length_env);
|
||||
}
|
||||
execl(path, "", NULL);
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||||
exit(0);
|
||||
} else { /* parent */
|
||||
close(cgi_output[1]);
|
||||
close(cgi_input[0]);
|
||||
if (strcasecmp(method, "POST") == 0)
|
||||
for (i = 0; i < content_length; i++) {
|
||||
|
||||
recv(client, &c, 1, 0);
|
||||
|
||||
int len = write(cgi_input[1], &c, 1);
|
||||
}
|
||||
while (read(cgi_output[0], &c, 1) > 0)
|
||||
|
||||
send(client, &c, 1, 0);
|
||||
|
||||
|
||||
close(cgi_output[0]);
|
||||
close(cgi_input[1]);
|
||||
waitpid(pid, &status, 0);
|
||||
}
|
||||
}
|
||||
|
||||
/**********************************************************************/
|
||||
/* Get a line from a socket, whether the line ends in a newline,
|
||||
* carriage return, or a CRLF combination. Terminates the string read
|
||||
* with a null character. If no newline indicator is found before the
|
||||
* end of the buffer, the string is terminated with a null. If any of
|
||||
* the above three line terminators is read, the last character of the
|
||||
* string will be a linefeed and the string will be terminated with a
|
||||
* null character.
|
||||
* Parameters: the socket descriptor
|
||||
* the buffer to save the data in
|
||||
* the size of the buffer
|
||||
* Returns: the number of bytes stored (excluding null) */
|
||||
/**********************************************************************/
|
||||
int get_line(int sock, char *buf, int size)
|
||||
{
|
||||
int i = 0;
|
||||
char c = '\0';
|
||||
int n;
|
||||
|
||||
while ((i < size - 1) && (c != '\n'))
|
||||
{
|
||||
|
||||
n = recv(sock, &c, 1, 0);
|
||||
|
||||
if (n > 0)
|
||||
{
|
||||
if (c == '\r')
|
||||
{
|
||||
|
||||
n = recv(sock, &c, 1, MSG_PEEK);
|
||||
|
||||
if ((n > 0) && (c == '\n'))
|
||||
|
||||
recv(sock, &c, 1, 0);
|
||||
|
||||
else
|
||||
c = '\n';
|
||||
}
|
||||
buf[i] = c;
|
||||
i++;
|
||||
}
|
||||
else
|
||||
c = '\n';
|
||||
}
|
||||
buf[i] = '\0';
|
||||
|
||||
return(i);
|
||||
}
|
||||
|
||||
/**********************************************************************/
|
||||
/* Return the informational HTTP headers about a file. */
|
||||
/* Parameters: the socket to print the headers on
|
||||
* the name of the file */
|
||||
/**********************************************************************/
|
||||
void headers(int client, const char *filename)
|
||||
{
|
||||
char buf[1024] = {0};
|
||||
(void)filename; /* could use filename to determine file type */
|
||||
|
||||
#if ENABLE_NTYCO
|
||||
|
||||
|
||||
sprintf(buf, "HTTP/1.0 200 OK\r\n");
|
||||
strcat(buf, SERVER_STRING);
|
||||
strcat(buf, "Content-Type: text/html\r\n");
|
||||
strcat(buf, "\r\n");
|
||||
|
||||
send(client, buf, strlen(buf), 0);
|
||||
|
||||
#else
|
||||
strcpy(buf, "HTTP/1.0 200 OK\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
strcpy(buf, SERVER_STRING);
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "Content-Type: text/html\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
strcpy(buf, "\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
|
||||
#endif
|
||||
}
|
||||
|
||||
/**********************************************************************/
|
||||
/* Give a client a 404 not found status message. */
|
||||
/**********************************************************************/
|
||||
void not_found(int client)
|
||||
{
|
||||
char buf[1024];
|
||||
#if ENABLE_NTYCO
|
||||
|
||||
sprintf(buf, "HTTP/1.0 404 NOT FOUND\r\n");
|
||||
strcat(buf, SERVER_STRING);
|
||||
strcat(buf, "Content-Type: text/html\r\n");
|
||||
strcat(buf, "\r\n");
|
||||
strcat(buf, "<HTML><TITLE>Not Found</TITLE>\r\n");
|
||||
strcat(buf, "<BODY><P>The server could not fulfill\r\n");
|
||||
strcat(buf, "your request because the resource specified\r\n");
|
||||
strcat(buf, "is unavailable or nonexistent.\r\n");
|
||||
strcat(buf, "</BODY></HTML>\r\n");
|
||||
|
||||
send(client, buf, strlen(buf), 0);
|
||||
|
||||
#else
|
||||
sprintf(buf, "HTTP/1.0 404 NOT FOUND\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, SERVER_STRING);
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "Content-Type: text/html\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "<HTML><TITLE>Not Found</TITLE>\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "<BODY><P>The server could not fulfill\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "your request because the resource specified\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "is unavailable or nonexistent.\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "</BODY></HTML>\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
#endif
|
||||
}
|
||||
|
||||
/**********************************************************************/
|
||||
/* Send a regular file to the client. Use headers, and report
|
||||
* errors to client if they occur.
|
||||
* Parameters: a pointer to a file structure produced from the socket
|
||||
* file descriptor
|
||||
* the name of the file to serve */
|
||||
/**********************************************************************/
|
||||
void serve_file(int client, const char *filename)
|
||||
{
|
||||
FILE *resource = NULL;
|
||||
int numchars = 1;
|
||||
char buf[1024];
|
||||
|
||||
#if (ENABLE_NTYCO == 0)
|
||||
buf[0] = 'A'; buf[1] = '\0';
|
||||
while ((numchars > 0) && strcmp("\n", buf)) /* read & discard headers */
|
||||
numchars = get_line(client, buf, sizeof(buf));
|
||||
resource = fopen(filename, "r");
|
||||
if (resource == NULL)
|
||||
not_found(client);
|
||||
else
|
||||
{
|
||||
headers(client, filename);
|
||||
cat(client, resource);
|
||||
}
|
||||
fclose(resource);
|
||||
#else
|
||||
headers(client, filename);
|
||||
cat(client, resource);
|
||||
#endif
|
||||
|
||||
|
||||
}
|
||||
|
||||
/**********************************************************************/
|
||||
/* This function starts the process of listening for web connections
|
||||
* on a specified port. If the port is 0, then dynamically allocate a
|
||||
* port and modify the original port variable to reflect the actual
|
||||
* port.
|
||||
* Parameters: pointer to variable containing the port to connect on
|
||||
* Returns: the socket */
|
||||
/**********************************************************************/
|
||||
int startup(u_short *port)
|
||||
{
|
||||
int httpd = 0;
|
||||
int on = 1;
|
||||
struct sockaddr_in name;
|
||||
|
||||
httpd = socket(PF_INET, SOCK_STREAM, 0);
|
||||
if (httpd == -1)
|
||||
error_die("socket");
|
||||
memset(&name, 0, sizeof(name));
|
||||
name.sin_family = AF_INET;
|
||||
name.sin_port = htons(*port);
|
||||
name.sin_addr.s_addr = htonl(INADDR_ANY);
|
||||
if ((setsockopt(httpd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))) < 0)
|
||||
{
|
||||
error_die("setsockopt failed");
|
||||
}
|
||||
if (bind(httpd, (struct sockaddr *)&name, sizeof(name)) < 0)
|
||||
error_die("bind");
|
||||
if (*port == 0) /* if dynamically allocating a port */
|
||||
{
|
||||
socklen_t namelen = sizeof(name);
|
||||
if (getsockname(httpd, (struct sockaddr *)&name, &namelen) == -1)
|
||||
error_die("getsockname");
|
||||
*port = ntohs(name.sin_port);
|
||||
}
|
||||
if (listen(httpd, 5) < 0)
|
||||
error_die("listen");
|
||||
|
||||
|
||||
return(httpd);
|
||||
}
|
||||
|
||||
/**********************************************************************/
|
||||
/* Inform the client that the requested web method has not been
|
||||
* implemented.
|
||||
* Parameter: the client socket */
|
||||
/**********************************************************************/
|
||||
void unimplemented(int client)
|
||||
{
|
||||
char buf[1024];
|
||||
#if ENABLE_NTYCO
|
||||
sprintf(buf, "HTTP/1.0 501 Method Not Implemented\r\n");
|
||||
strcat(buf, SERVER_STRING);
|
||||
strcat(buf, "Content-Type: text/html\r\n");
|
||||
strcat(buf, "\r\n");
|
||||
strcat(buf, "<HTML><HEAD><TITLE>Method Not Implemented\r\n");
|
||||
strcat(buf, "</TITLE></HEAD>\r\n");
|
||||
strcat(buf, "<BODY><P>HTTP request method not supported.\r\n");
|
||||
strcat(buf, "</BODY></HTML>\r\n");
|
||||
|
||||
send(client, buf, strlen(buf), 0);
|
||||
#else
|
||||
sprintf(buf, "HTTP/1.0 501 Method Not Implemented\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, SERVER_STRING);
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "Content-Type: text/html\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "<HTML><HEAD><TITLE>Method Not Implemented\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "</TITLE></HEAD>\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "<BODY><P>HTTP request method not supported.\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
sprintf(buf, "</BODY></HTML>\r\n");
|
||||
send(client, buf, strlen(buf), 0);
|
||||
#endif
|
||||
}
|
||||
|
||||
void server(void *arg) {
|
||||
|
||||
unsigned short port = *(unsigned short *)arg;
|
||||
struct sockaddr_in client_name;
|
||||
socklen_t client_name_len = sizeof(client_name);
|
||||
free(arg);
|
||||
|
||||
int fd = nty_socket(AF_INET, SOCK_STREAM, 0);
|
||||
if (fd < 0) return ;
|
||||
|
||||
struct sockaddr_in local, remote;
|
||||
local.sin_family = AF_INET;
|
||||
local.sin_port = htons(port);
|
||||
local.sin_addr.s_addr = INADDR_ANY;
|
||||
bind(fd, (struct sockaddr*)&local, sizeof(struct sockaddr_in));
|
||||
|
||||
listen(fd, 20);
|
||||
|
||||
while (1) {
|
||||
int *client_sock = (int *)malloc(sizeof(int));
|
||||
*client_sock = accept(fd,
|
||||
(struct sockaddr *)&client_name,
|
||||
&client_name_len);
|
||||
if (*client_sock == -1)
|
||||
error_die("accept");
|
||||
/* accept_request(&client_sock); */
|
||||
#if 0
|
||||
printf(" %d.%d.%d.%d:%d clientfd:%d --> New Client Connected \n",
|
||||
*(unsigned char*)(&client_name.sin_addr.s_addr), *((unsigned char*)(&client_name.sin_addr.s_addr)+1),
|
||||
*((unsigned char*)(&client_name.sin_addr.s_addr)+2), *((unsigned char*)(&client_name.sin_addr.s_addr)+3),
|
||||
client_name.sin_port, *client_sock);
|
||||
#endif
|
||||
nty_coroutine *read_co;
|
||||
nty_coroutine_create(&read_co, accept_request, client_sock);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
int mulcore_entry(int begin_port) {
|
||||
|
||||
nty_coroutine *co = NULL;
|
||||
|
||||
int i = 0;
|
||||
unsigned short base_port = begin_port;
|
||||
|
||||
unsigned short *port = calloc(1, sizeof(unsigned short));
|
||||
*port = base_port + i;
|
||||
nty_coroutine_create(&co, server, port); ////////no run
|
||||
|
||||
|
||||
nty_schedule_run(); //run
|
||||
|
||||
}
|
||||
|
||||
int process_bind(void) {
|
||||
|
||||
int num = sysconf(_SC_NPROCESSORS_CONF);
|
||||
|
||||
pid_t self_id = syscall(__NR_gettid);
|
||||
//printf("selfid --> %d\n", self_id);
|
||||
|
||||
cpu_set_t mask;
|
||||
|
||||
CPU_ZERO(&mask);
|
||||
CPU_SET(self_id % num, &mask);
|
||||
|
||||
sched_setaffinity(0, sizeof(mask), &mask);
|
||||
|
||||
mulcore_entry(9096);
|
||||
|
||||
}
|
||||
|
||||
|
||||
struct timeval* get_shm_timevalue(void) {
|
||||
|
||||
return global_shmaddr ? &global_shmaddr->tv_begin : NULL;
|
||||
|
||||
}
|
||||
|
||||
void set_shm_timevalue(struct timeval *tv) {
|
||||
if (global_shmaddr == NULL || tv == NULL) {
|
||||
return ;
|
||||
}
|
||||
|
||||
memcpy(&global_shmaddr->tv_begin, tv, sizeof(struct timeval));
|
||||
|
||||
}
|
||||
|
||||
int add_shmvalue(void) {
|
||||
int value = 0;
|
||||
int ret = -1;
|
||||
|
||||
do {
|
||||
|
||||
value = global_shmaddr->total;
|
||||
ret = cmpxchg(&global_shmaddr->total, (unsigned long)value, (unsigned long)(value+1), 4);
|
||||
|
||||
|
||||
} while (ret != value);
|
||||
|
||||
return global_shmaddr->total;
|
||||
}
|
||||
|
||||
int sub_shmvalue(void) {
|
||||
int value = 0;
|
||||
int ret = -1;
|
||||
|
||||
do {
|
||||
|
||||
value = global_shmaddr->total;
|
||||
ret = cmpxchg(&global_shmaddr->total, (unsigned long)value, (unsigned long)(value-1), 4);
|
||||
|
||||
|
||||
} while (ret != value);
|
||||
|
||||
return global_shmaddr->total;
|
||||
}
|
||||
|
||||
int lock_accept_mutex(void) {
|
||||
|
||||
int ret = cmpxchg(&global_shmaddr->accept_lock, (unsigned long)0, (unsigned long)1, 4);
|
||||
|
||||
return ret; //success 0, failed 1.
|
||||
}
|
||||
|
||||
int unlock_accept_mutex(void) {
|
||||
|
||||
int ret = cmpxchg(&global_shmaddr->accept_lock, (unsigned long)1, (unsigned long)0, 4);
|
||||
|
||||
return ret; //unlock 1, lock 0
|
||||
}
|
||||
|
||||
|
||||
int init_shmvalue(void) {
|
||||
|
||||
global_shmid = shmget(IPC_PRIVATE, sizeof(shm_area), IPC_CREAT|0600);
|
||||
if (global_shmid < 0) {
|
||||
perror("shmget failed\n");
|
||||
return -1;
|
||||
}
|
||||
global_shmaddr = (shm_area*)shmat(global_shmid, NULL, 0);
|
||||
if (global_shmaddr == (shm_area*)-1) {
|
||||
perror("shmat addr error");
|
||||
return -1;
|
||||
}
|
||||
global_shmaddr->total = 0;
|
||||
gettimeofday(&global_shmaddr->tv_begin, NULL);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
|
||||
int ret = init_shmvalue();
|
||||
if (ret == -1) {
|
||||
printf("init share memory failed\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
int num = sysconf(_SC_NPROCESSORS_CONF);
|
||||
int i = 0;
|
||||
pid_t pid=0;
|
||||
for(i = 0;i < num;i ++) {
|
||||
pid=fork();
|
||||
if(pid <= (pid_t) 0)
|
||||
{
|
||||
usleep(1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (pid > 0) {
|
||||
printf("ntyco_httpd server running ...\n");
|
||||
getchar();
|
||||
} else if (pid == 0) {
|
||||
process_bind();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user