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226f9a510f022045ade4cbe0435f5369e4bd75b9
ldb/NtyCo/sample/nty_http_server_mulcore.c
1iaan bb2c4275cb resp协议定义， xml定义配置文件
2026-01-19 10:37:32 +00:00

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/*
* Author : WangBoJing , email : 1989wangbojing@gmail.com
*
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of Author. (C) 2017
*
*
**** ***** *****
*** * ** ***
*** * * * **
* ** * * ** **
* ** * * ** *
* ** * ** ** *
* ** * *** **
* ** * *********** ***** ***** ** ****
* ** * ** ** ** ** ** **
* ** * ** ** * ** * **
* ** * ** * * ** ** **
* ** * ** ** * ** * **
* ** * ** * * ** ** **
* ** * ** ** * ** ** **
* ** * ** ** * ** ** **
* ** * ** * * ** ** **
* ** * ** ** * ** * ** **
* *** ** * * ** * ** **
* *** ** * ** * * ** **
* ** ** * ** ** * ** **
* ** ** * * ** * ** **
***** * **** * ***** ****
*
*
*****
****
*
*/
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/sysinfo.h>
#include <sys/syscall.h>
#include <sys/stat.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/sem.h>
#define __USE_GNU
#include <sched.h>
#include <string.h>
#include <pthread.h>
#include <ctype.h>
#include "nty_coroutine.h"
static int global_shmid = -1;
static int global_semid = -1;
#define TIME_SUB_MS(tv1, tv2) ((tv1.tv_sec - tv2.tv_sec) * 1000 + (tv1.tv_usec - tv2.tv_usec) / 1000)
typedef struct _shm_area {
int total;
int accept_lock;
struct timeval tv_begin;
} shm_area;
static shm_area *global_shmaddr = NULL;
#define MAX_CLIENT_NUM 1000000
struct timeval* get_shm_timevalue(void);
void set_shm_timevalue(struct timeval *tv);
int add_shmvalue(void);
int sub_shmvalue(void);
int init_shmvalue(void);
int lock_accept_mutex(void);
int unlock_accept_mutex(void);
unsigned long cmpxchg(void *addr, unsigned long _old, unsigned long _new, int size) {
unsigned long prev;
volatile unsigned int *_ptr = (volatile unsigned int *)(addr);
switch (size) {
case 1: {
__asm__ volatile (
"lock; cmpxchgb %b1, %2"
: "=a" (prev)
: "r" (_new), "m" (*_ptr), "0" (_old)
: "memory");
break;
}
case 2: {
__asm__ volatile (
"lock; cmpxchgw %w1, %2"
: "=a" (prev)
: "r" (_new), "m" (*_ptr), "0" (_old)
: "memory");
break;
}
case 4: {
__asm__ volatile (
"lock; cmpxchg %1, %2"
: "=a" (prev)
: "r" (_new), "m" (*_ptr), "0" (_old)
: "memory");
break;
}
}
return prev;
}
#define ISspace(x) isspace((int)(x))
#define SERVER_STRING "Server: ntyco_httpd/0.1.0\r\n"
#define STDIN 0
#define STDOUT 1
#define STDERR 2
#define ENABLE_NTYCO 1
#if ENABLE_NTYCO
#define socket nty_socket
#define accept nty_accept
#define recv(a, b, c, d) nty_recv(a, b, c, d)
#define send(a, b, c, d) nty_send(a, b, c, d)
#define close(a) nty_close(a)
#define MAX_BUFFER_LENGTH 1024
#endif
void accept_request(void *);
void bad_request(int);
void cat(int, FILE *);
void cannot_execute(int);
void error_die(const char *);
void execute_cgi(int, const char *, const char *, const char *);
int get_line(int, char *, int);
void headers(int, const char *);
void not_found(int);
void serve_file(int, const char *);
int startup(u_short *);
void unimplemented(int);
int readline(char* allbuf, int level, char* linebuf) {
int len = strlen(allbuf);
for (;level < len; ++level) {
if(allbuf[level]=='\r' && allbuf[level+1]=='\n')
return level+2;
else
*(linebuf++) = allbuf[level];
}
return -1;
}
/**********************************************************************/
/* A request has caused a call to accept() on the server port to
* return. Process the request appropriately.
* Parameters: the socket connected to the client */
/**********************************************************************/
void accept_request(void *arg)
{
int *pclient = (int*)arg;
int client = *pclient;
char buf[1024];
size_t numchars;
char method[16];
char url[32];
char path[64];
size_t i, j;
struct stat st;
int cgi = 0; /* becomes true if server decides this is a CGI
* program */
char *query_string = NULL;
numchars = recv(client, buf, sizeof(buf), 0);
i = 0; j = 0;
while (!ISspace(buf[i]) && (i < sizeof(method) - 1))
{
method[i] = buf[i];
i++;
}
j=i;
method[i] = '\0';
if (strcasecmp(method, "GET") && strcasecmp(method, "POST"))
{
unimplemented(client);
return;
}
if (strcasecmp(method, "POST") == 0)
cgi = 1;
i = 0;
while (ISspace(buf[j]) && (j < numchars))
j++;
while (!ISspace(buf[j]) && (i < sizeof(url) - 1) && (j < numchars))
{
url[i] = buf[j];
i++; j++;
}
url[i] = '\0';
if (strcasecmp(method, "GET") == 0)
{
query_string = url;
while ((*query_string != '?') && (*query_string != '\0'))
query_string++;
if (*query_string == '?')
{
cgi = 1;
*query_string = '\0';
query_string++;
}
}
sprintf(path, "htdocs%s", url);
if (path[strlen(path) - 1] == '/')
strcat(path, "index.html");
if (stat(path, &st) == -1) {
while ((numchars > 0) && strcmp("\n", buf)) /* read & discard headers */
numchars = get_line(client, buf, sizeof(buf));
not_found(client);
}
else
{
if ((st.st_mode & S_IFMT) == S_IFDIR)
strcat(path, "/index.html");
if ((st.st_mode & S_IXUSR) ||
(st.st_mode & S_IXGRP) ||
(st.st_mode & S_IXOTH) )
cgi = 1;
cgi = 0;
if (!cgi)
serve_file(client, path);
else
execute_cgi(client, path, method, query_string);
}
close(client);
free(pclient);
}
/**********************************************************************/
/* Inform the client that a request it has made has a problem.
* Parameters: client socket */
/**********************************************************************/
void bad_request(int client)
{
char buf[1024];
sprintf(buf, "HTTP/1.0 400 BAD REQUEST\r\n");
send(client, buf, sizeof(buf), 0);
sprintf(buf, "Content-type: text/html\r\n");
send(client, buf, sizeof(buf), 0);
sprintf(buf, "\r\n");
send(client, buf, sizeof(buf), 0);
sprintf(buf, "<P>Your browser sent a bad request, ");
send(client, buf, sizeof(buf), 0);
sprintf(buf, "such as a POST without a Content-Length.\r\n");
send(client, buf, sizeof(buf), 0);
}
/**********************************************************************/
/* Put the entire contents of a file out on a socket. This function
* is named after the UNIX "cat" command, because it might have been
* easier just to do something like pipe, fork, and exec("cat").
* Parameters: the client socket descriptor
* FILE pointer for the file to cat */
/**********************************************************************/
#define HTML_PAGE "<HTML> \
<TITLE>Index</TITLE> \
<BODY> \
<P>Welcome to J. David's webserver.\
<H1>CGI demo \
<FORM ACTION=\"color.cgi\" METHOD=\"POST\">\
Enter a color: <INPUT TYPE=\"text\" NAME=\"color\">\
<INPUT TYPE=\"submit\">\
</FORM>\
</BODY>\
</HTML>"
void cat(int client, FILE *resource)
{
#if ENABLE_NTYCO
char buf[1024] = HTML_PAGE;
send(client, buf, strlen(buf), 0);
#else
char buf[1024] = {0};
fgets(buf, sizeof(buf), resource);
while (!feof(resource))
{
send(client, buf, strlen(buf), 0);
fgets(buf, sizeof(buf), resource);
}
#endif
}
/**********************************************************************/
/* Inform the client that a CGI script could not be executed.
* Parameter: the client socket descriptor. */
/**********************************************************************/
void cannot_execute(int client)
{
char buf[1024];
sprintf(buf, "HTTP/1.0 500 Internal Server Error\r\n");
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, "<P>Error prohibited CGI execution.\r\n");
send(client, buf, strlen(buf), 0);
}
/**********************************************************************/
/* Print out an error message with perror() (for system errors; based
* on value of errno, which indicates system call errors) and exit the
* program indicating an error. */
/**********************************************************************/
void error_die(const char *sc)
{
perror(sc);
exit(1);
}
/**********************************************************************/
/* Execute a CGI script. Will need to set environment variables as
* appropriate.
* Parameters: client socket descriptor
* path to the CGI script */
/**********************************************************************/
void execute_cgi(int client, const char *path,
const char *method, const char *query_string)
{
char buf[1024];
int cgi_output[2];
int cgi_input[2];
pid_t pid;
int status;
int i;
char c;
int numchars = 1;
int content_length = -1;
buf[0] = 'A'; buf[1] = '\0';
if (strcasecmp(method, "GET") == 0)
while ((numchars > 0) && strcmp("\n", buf)) /* read & discard headers */
numchars = get_line(client, buf, sizeof(buf));
else if (strcasecmp(method, "POST") == 0) /*POST*/
{
numchars = get_line(client, buf, sizeof(buf));
while ((numchars > 0) && strcmp("\n", buf))
{
buf[15] = '\0';
if (strcasecmp(buf, "Content-Length:") == 0)
content_length = atoi(&(buf[16]));
numchars = get_line(client, buf, sizeof(buf));
}
if (content_length == -1) {
bad_request(client);
return;
}
}
else/*HEAD or other*/
{
}
if (pipe(cgi_output) < 0) {
cannot_execute(client);
return;
}
if (pipe(cgi_input) < 0) {
cannot_execute(client);
return;
}
if ( (pid = fork()) < 0 ) {
cannot_execute(client);
return;
}
sprintf(buf, "HTTP/1.0 200 OK\r\n");
send(client, buf, strlen(buf), 0);
if (pid == 0) /* child: CGI script */
{
char meth_env[255];
char query_env[255];
char length_env[255];
dup2(cgi_output[1], STDOUT);
dup2(cgi_input[0], STDIN);
close(cgi_output[0]);
close(cgi_input[1]);
sprintf(meth_env, "REQUEST_METHOD=%s", method);
putenv(meth_env);
if (strcasecmp(method, "GET") == 0) {
sprintf(query_env, "QUERY_STRING=%s", query_string);
putenv(query_env);
}
else { /* POST */
sprintf(length_env, "CONTENT_LENGTH=%d", content_length);
putenv(length_env);
}
execl(path, "", NULL);
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();
}
}
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