PHP与C(或其它语言)通过消息队列进行通讯，完整代码

转载自： PHP与C(或其它语言)通过消息队列进行通讯，完整代码

 

<?php
/*
 * class msg
 * Use for communication between php and php;
 * Create at: 12:08 2012/10/31
 * Author: leixun([e-mail])
 * version 1 - 14:01 2012/10/31
 */

class msg{
	private $id;
	private $msg_id;
	private $_serialize = true;

	/**
	 * @param $_id ID
	 */
	public function msg($_id, $_serialize = true){
		if(!function_exists('msg_get_queue'))
		{
			die('msg queue function not installed, Reconfigure PHP with --enable-sysvmsg <br/>');
		}
		$this->id = $_id;
		$this->msg_id = msg_get_queue ( $_id );
		$this->_serialize = $_serialize;
		if ($this->msg_id === false) {
			die(basename(__FILE__).'->'.__LINE__.': Unable to create message quee');
		}
	}

	/**
	 * @data data to send
	 * @type message type
	 */
	public function send( $data, $type = 1, $blocking = false )
	{
		if (!msg_send ($this->msg_id, $type, $data, $this->_serialize, $blocking, $msg_err))
		{
			return "Msg not sent because $msg_err\n";
		}
		return true;
	}

	/**
	 * @param $type message type
	 * @param $maxsize The maximum size of message to be accepted,
	 */
	public function receive($no_wait = true, $type = 1 , $maxsize = 1024 )
	{
		$rs = msg_receive ( $this->msg_id , $type ,	$type , $maxsize , $message , $this->_serialize, $no_wait?MSG_IPC_NOWAIT:NULL , $errorcode);
		if($rs)
			return $message;
		else
			return false;
	}

	public function remove()
	{
		msg_remove_queue($this->msg_id);
	}	
}

 

<?php
define('base_path' , dirname(__FILE__));//msg_write.php
include(base_path.'/msg.php');
$msg = new msg(1, false);
$msg1 = new msg(2, false);
if($argv[1]=='del') $msg->remove();
 
 
$str = 'There are no user contributed notes for this page.';
while(1){
        $data = substr($str,0,rand(18,25));
        $msg->send(rand().$data, rand(1,10));
        echo $data." -> sent\n";
        echo 'Get:'.$msg1->receive(false, 0).chr(10);
        sleep(3);
        //usleep(10000);
}
echo 'Done';

 

C, gcc -g -o m msg.c -lpthread;

#include <stdio.h>
#include <errno.h>

#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#define MAX_MSG_LEN 512
static int php_msg = -1;
static int php_msg1 = -1;

static int running = 1;

static void *php_msg_handler_thread(void *arg);
static int msg_send(int msg_id, int fd, char *data);

struct msg_st {
	long mtype;
	char mtext[MAX_MSG_LEN];
};

int main(int argc,char **argv)
{
	printf("go 1 \n");

	if((php_msg= msgget((key_t)1,0666|IPC_CREAT)) == -1)
	{
		perror("php_msg create");
		return 0;
	}
	
	if((php_msg1= msgget((key_t)2,0666|IPC_CREAT)) == -1)
	{
		perror("php_msg create");
		return 0;
	}

	/////////////////////////////////////////////////////////////////////////////////
	pthread_t php_msg_pthread;

	int rs = pthread_create(&php_msg_pthread, NULL, (void*(*)(void*))php_msg_handler_thread, (void *)NULL);
	if(rs!=0)
	{
		perror("php_msg_pthread create");
		return 0;
	}

	pthread_join(php_msg_pthread, NULL);
	return 0;

}

static void *php_msg_handler_thread(void *arg)
{
	struct msg_st php_data;		
	printf("sizeof(struct msg_st)=%d\n",sizeof(struct msg_st));

	char* data;
	data = malloc(MAX_MSG_LEN);
	char *pre = "You told me:";	
	while(running){
		//ssize_t msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg); 
		if(msgrcv(php_msg,(void *) &php_data, MAX_MSG_LEN, 0 , 0) == -1)
		{
			perror("msgrcv");
			if(errno==E2BIG)
			{				
				if(msgctl(php_msg,IPC_RMID,0) == -1)  
				{  
					fprintf(stderr,"msgctl(IPC_RMID) failed \n");  
				}   
			}
			else if(errno == EINVAL)
			{
				sleep(1);
			}
		}else{		
			printf("recevier mssage : %s , type= %d\n", php_data.mtext, php_data.mtype);
			memset(data, '\0', MAX_MSG_LEN);
			memcpy(data, pre, strlen(pre));

			memcpy(data+strlen(pre), php_data.mtext, strlen(php_data.mtext));
			msg_send(php_msg1, 2, data);
			
			bzero(php_data.mtext, strlen(php_data.mtext));
		}
		//break;
	}
	free(data);
}


static int msg_send(int msg_id, int fd, char *data)
{
	struct msg_st some_data;

	//some_data = malloc( sizeof(struct msg_st) );

	memcpy(some_data.mtext, data, strlen(data) + 1);
	some_data.mtext[strlen(data)] = '\0';
	some_data.mtype= fd;

	printf("will send %s \n", &some_data.mtext);
	//int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg); 
	if((msgsnd(msg_id,(void *) & some_data, strlen(data), 0)) == -1)			
	{
		perror("msgsnd");
		return 0;
	}

	return 1;
}

 

运行：./m

再运行：php msg_write.php