server.c

实现图片手工播放或者是自动播放的后台文件

	        write(fd, picfilename, strlen(picfilename));
                close(fd);
                printf("manual play succ!!\n");
            }
   
            /**回传成功播放信息***/
            cmdmessage.cmdtype[0] = 0;
            cmdmessage.cmdtype[1] = 0;
            cmdmessage.cmdtype[2] = 0;
            cmdmessage.cmdtype[3] = 3;

            ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
            if ( ret < 0 )
            {
                printf("Write socket Error! in 3004 !!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
        }
        else if (cmdmessage.cmdtype[0] == 8)             /***暂停播放****/
        {
            /*****告诉线程暂停播放******/
            auto_play = 0;
            auto_pause = 1;
            auto_stop  = 0;

            /**回传成功播放信息***/
            cmdmessage.cmdtype[0] = 0;
            cmdmessage.cmdtype[1] = 0;
            cmdmessage.cmdtype[2] = 0;
            cmdmessage.cmdtype[3] = 3;

            ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
            if ( ret < 0 )
            {
                printf("Write socket Error! in 3008 !!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
        }
        else if (cmdmessage.cmdtype[0] == 0x10)           /***停止播放****/
        {
            /*****告诉线程停止播放******/
            auto_play = 0;
            auto_pause = 0;
            auto_stop  = 1;
            play = 0;

            thread_play = 0; 
            pic_no = 0;
            /**回传成功播放信息***/
            cmdmessage.cmdtype[0] = 0;
            cmdmessage.cmdtype[1] = 0;
            cmdmessage.cmdtype[2] = 0;
            cmdmessage.cmdtype[3] = 3;

            ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
            if ( ret < 0 )
            {
                printf("Write socket Error! in 3008 !!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
            sleep(5);
            picplayinit();                    /*****回到开机图片******/
            printf("stop play succ!!\n");
            pthread_exit(NULL);
            //exit(-1);
        }
        else if (cmdmessage.cmdtype[1] == 1)             /**上一幅图片***/
        {
            /****处理工程文件****/
            if (prj == 0)
            {
                handleprj();
            }
            if ( prj != 1)
            {
                /***打开工程文件失败***/
                cmdmessage.cmdtype[0] = 0x10;
                cmdmessage.cmdtype[1] = 0;
                cmdmessage.cmdtype[2] = 0;
                cmdmessage.cmdtype[3] = 3;

                ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
                if ( ret < 0 )
                {
            	    printf("Write socket Error! in 3010 !!\n");
                    sleep(5);
                    picplayinit();                /*****回到开机图片******/
                    pthread_exit(NULL);
                }
            	printf("Has no picproject!!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
            if (playtype == 0)
            {
            	 printf("Playtype errot!!\n");
                 pthread_exit(NULL);
            }

            /****检查是否已经下一幅播放过****/
            manual_next_total  = j;
            j--;
            if (j < 0)
            {
                /****如果是上一幅播放图片序号小于 0 则到手工播放最后一幅*****/
                j = manual_prio_temp-1;           
                pic_no = manual_history[j];
            }
            else
            { 
                 /*** manual_history数组保存了下一幅图片播放历史记录****/
                 pic_no = manual_history[j];
            }
            /***查找需要播放图片的保存文件名称****/
            sprintf(picfilename, "%s%d%s", str1, pic_no, str2);

            printf("picfilename = [%s]\n", picfilename);
            /***将文件名称写文件***/
	    if((fd=open(filename, O_CREAT||O_TRUNC))==-1)
	    {
	        fprintf(stderr,"Open %s Error:%s\n",filename, strerror(errno));
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
	    }
	    write(fd, picfilename, strlen(picfilename));
	    close(fd);

            /**回传成功播放信息***/
            cmdmessage.cmdtype[0] = 0;
            cmdmessage.cmdtype[1] = 0;
            cmdmessage.cmdtype[2] = 0;
            cmdmessage.cmdtype[3] = 3;

            ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
            if ( ret < 0 )
            {
                printf("Write socket Error! in 3010 !!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
            printf("the prio  pic play succ!!\n");
        }
        else if (cmdmessage.cmdtype[1] == 2)             /**下一幅图片***/
        {
            /****处理工程文件****/
            if (prj == 0)
            {
                handleprj();
            }
            if ( prj != 1)
            {
                /***打开工程文件失败***/
                cmdmessage.cmdtype[0] = 0x10;
                cmdmessage.cmdtype[1] = 0;
                cmdmessage.cmdtype[2] = 0;
                cmdmessage.cmdtype[3] = 3;

                ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
                if ( ret < 0 )
                {
            	    printf("Write socket Error! in 3020 !!\n");
                    sleep(5);
                    picplayinit();                /*****回到开机图片******/
                    pthread_exit(NULL);
                }
            	printf("Has no pic projectfile!!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
            if (playtype == 0)
            {
            	printf("Playtype errot!!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }

            /****取得下一幅图片的播放序号****/
            if (files[pic_no].nextpic == -1)
            {
                pic_no++;
            }
            else
            {
                pic_no = files[files[pic_no].nextpic].id;
            } 
            /********如果是手工播放到最后一副则从头播放********/
            if (pic_no >= pic_total)
            {
                pic_no = 0;
            }
            /*****保存手工下一幅图片播放的顺序****/
            j = manual_next_total;
            printf("in 3020 j = [%d]\n", j);
            manual_history[j] =  files[pic_no].id;
            manual_next_total++;

            /*******保存暂时的图片总数*******/
            manual_prio_temp = manual_next_total;

            for( k=0; k< manual_next_total; k++)
            {
	        printf("manual_history[%d] = [%d]\n", k, manual_history[k]);
            }
    printf("manual_next_total = [%d]\n", manual_next_total);

            /***查找需要播放图片的保存文件名称****/
            sprintf(picfilename, "%s%d%s", str1, pic_no, str2);
    printf("picfilename = [%s]\n", picfilename);
            
            /***将文件名称写文件***/
	    if((fd=open(filename, O_CREAT||O_TRUNC))==-1)
	    {
	        fprintf(stderr,"Open %s Error:%s\n",filename, strerror(errno));
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
	    }
	    write(fd, picfilename, strlen(picfilename));
	    close(fd);

            /**回传成功播放信息***/
            cmdmessage.cmdtype[0] = 0;
            cmdmessage.cmdtype[1] = 0;
            cmdmessage.cmdtype[2] = 0;
            cmdmessage.cmdtype[3] = 3;

            ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
            if ( ret < 0 )
            {
                printf("Write socket Error! in 3020 !!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
            printf("the next pic play succ!!\n");
        }
        else 
        {
            /**回传未知错误***/
            cmdmessage.cmdtype[0] = 2;
            cmdmessage.cmdtype[1] = 0;
            cmdmessage.cmdtype[2] = 0;
            cmdmessage.cmdtype[3] = 3;

            ret = write(sock, (unsigned char *)&cmdmessage, sizeof(struct cmd)) ;
            if ( ret < 0 )
            {
                printf("Write socket Error!!!\n");
                sleep(5);
                picplayinit();                /*****回到开机图片******/
                pthread_exit(NULL);
            }
            printf("unkown error!!\n");
            /*****告诉线程停止播放******/
            auto_play = 0;
            auto_pause = 0;
            auto_stop  = 1;
            sleep(5);
            picplayinit();                /*****回到开机图片******/
        }
    }
    pthread_exit(NULL);
}

void
servicepic (int picno)
{
    int  ret, fd;
    int  play_pic;
    
    play_pic = picno;
    sprintf(filename, "%s", "test.txt");
    while (1)
    {
        if ( auto_play == 1)                     /***自动播放***/
        {
            pic_no = play_pic;
            printf("111 in servicepic pic_no = [%d]\n", pic_no);
            sleep(files[pic_no].delaytime);

            /***查找需要播放图片的保存文件名称****/
            sprintf(picfilename, "%s%d%s", str1, pic_no, str2);

            /****将要播放的图片名称写文件***/
	    if((fd=open(filename, O_CREAT||O_TRUNC))==-1)
	    {
	        fprintf(stderr,"Open %s Error:%s\n",filename, strerror(errno));
                pthread_exit(NULL);
	    }
	    write(fd, picfilename, strlen(picfilename));
	    close(fd);

            /****取得下一幅图片的播放序号****/
            if (files[pic_no].nextpic == -1)
            {
                pic_no++;
                play_pic = pic_no; 
            }
            else
            {
                play_pic = files[files[pic_no].nextpic].id;
            }

            if (play_pic > pic_total)
            {
                 play_pic = 0;
            }
        }
        if (auto_pause == 1)                     /***暂停播放***/
        {
            //sleep(files[pic_no].delaytime);
            printf(" 232323 in servicepic pic_no = [%d]\n", pic_no);
            play_pic = pic_no;     /*如果重新自动播放保存暂停播放图片序号*/

            /******
            if (files[pic_no].nextpic == -1)
            {
                play_pic++; 
            }
            else
            {
                play_pic = files[files[pic_no].nextpic].id;
            }
            if (play_pic > pic_total)
            {
                 play_pic = 0;
            }
            ********/
        }
        if (auto_stop == 1)                      /***停止播放***/
        {
            pthread_exit(NULL);
        }
    }
}

void
handleprj()
{
    int     i, fd;
    int     retfgets;
    FILE    *fdppj;
    struct  cmd      cmdmessage;
    struct  pichead  picheadmessage;
    struct  pic      picmessage;

    fdppj = fopen("temp.ppj", "r");
    if(fdppj == NULL)
    {
        /***工程文件不存在***/
         prj = 0;
    }
    else 
    {
        /***工程文件存在***/
        prj = 1;

        /****播放时候设置播放序列****/
        retfgets = fread((unsigned char*)&picheadmessage, 1, sizeof(struct pichead), fdppj);

        /*************设置播放方式***********/
        playtype  = picheadmessage.playtype;
        /****取得图片文件总数*****/
        pic_total = picheadmessage.piccount;

        for (i=0; i<picheadmessage.piccount; i++)
        {
    	    /*****从工程文件中读取下个图片文件的信息 包括图片的大小******/
    	    retfgets = fread((unsigned char*)&picmessage, 1, sizeof(struct pic), fdppj);

	    /***下载时候图片名称已经重命名***/ 
	    files[i].id = i;
	    files[i].nextpic = picmessage.nextpic;
	    files[i].delaytime = picmessage.delay;
	    memset(files[i].file_title, 0, sizeof(char)*50);
	    strcpy(files[i].file_title, picmessage.title);
        }  
    }
    close(fdppj);

    /******自己测试用**分析工程文件***/
    //for (i=0; i<pic_total; i++)
    //{
         //printf("\tid = [%d], nextpic = [%d]\n\tdelaytime = [%d] title = [%s]\n", files[i].id, files[i].nextpic, files[i].delaytime, files[i].file_title);
    //}
}

void
picplayinit()
{
    int  ret, fd;
    int  play_pic;
    
    sprintf(filename, "%s", "test.txt");

    sprintf(picfilename, "home19.jpg");

    /****将要播放的图片名称写文件****/
    if((fd=open(filename, O_CREAT||O_TRUNC))==-1)
    {
        fprintf(stderr,"Open %s Error:%s\n",filename, strerror(errno));
        exit(1);
    }
    write(fd, picfilename, strlen(picfilename));
    close(fd);
}