191145686 发表于 2019-1-31 13:19:34

FastDFS使用总结报告(2)——FastDFS环境搭建及测试

1 环境搭建
1.1 安装FastDFS
  测试环境:172.16.100.133 usr:root pwd:111111
  Tracker和storage安装在同一台机器上。
  FastDFS版本:v3.11
  下载地址:http://code.google.com/p/fastdfs/downloads/list
  Libevent版本: v2.0.21
  下载地址:http://libevent.org/
  JavaAPI版本: v1.24 下载地址(包含source code、doc、API)
  下载地址:http://code.google.com/p/fastdfs/downloads/list
1.1.1安装libevent
FastDFS内部使用libevent作为http服务器,建议还是使用apache或Nginx。如果已经安装了 libevent,请确认安装路径是 /usr , 因为 FastDFS 在编译源程序时,需要到此目录下查找一些依赖文件,否则编译 FastDFS 会出错 。如果不是,建议首先卸载 libevent ,然后安装到 /usr 下。Ubuntu10.4默认是安装了libevent,可以到软件中心卸载掉然后按照下面介绍的方式安装。
  

  #Tar xvf libevent-2.0.21-stable
  #cd libevent-2.0.21-stable
  #./configure –prefix=/usr
  #make
  #make install
  安装track_sever
  #tar zxvf FastDFS_v3.02.tar.gz
  

  开启http支持,需要先修改make.sh文件,修改"#WITH_HTTPD=1"为"WITH_HTTPD=1"
  

  #./make.sh
  #./make.sh install
  

配置文件分别存放在客户端配置文件 Client.conf,文件存储服务器配置文件Strage.conf,调度服务器配置文件Tracker.conf。其中client.conf在使用Java客户端时需要在Java程序中解析获得相关信息。
1.1.2 配置track_sever
  修改tracker.conf文件,修改log、group等文件存放的目录
  bast_path=/home/yuqing/fastdfs ->bast_path=/usr/FastDFS
  根据需要修改http端口
  http.server_port=8080
  开启http支持
##include http.conf -> #includehttp.conf
启动tracker_server
/usr/local/bin/fdfs_trackred/home/yuqing/FastDFS/conf/tracker.conf
查看/usr/FastDFS/logs/tracker.log,查看是否启动成功
  

1.1.3 安装storage_server
  配置storage
  修改storage.conf配置文件,定义log、group等存储目录
  base_path=/home/yuqing/fastdfs ->bast_path=/usr/FastDFS
  修改文件存位置,一个storage可以指定多个目录
  store_path0=/home/yuqing/fastdfs-> store_path0=/usr /FastDFS
  定义组(以组名区别)
  group_name=group1
  修改tracker_server的地址和端口,需要将所有tracker_server加入
  tracker_server 192.168.209.121:22122 -> tracker_server192.168.8.235:22122 tracker_server 192.168.8.236:22122
  开启http支持
  ##includehttp.conf –> #include http.conf
  启动storage服务器
  #/usr/local/bin/fdfs_storaged/home/yuqing/FastDFS/conf/storage.conf
  执行时会在data文件夹下生产256个文件夹,
  打开storage.log日志,查看是否执行成功
4.1.4 配置客户端配置文件
  修改/usr /FastDFS/conf/client文件
  base_path=/home/yuqing/fastdfs-> bast_path=/usr/FastDFS
  修改tracker_server,建议添加所有track_server
  开启http支持
  ##includehttp.conf –> #include http.conf
  执行上传文件命令#/usr/local/bin/fdfs_test /usr/FastDFS/conf/client.conf upload test.txt
  根据返回信息,查找/data下相应文件夹,可以看到文件上传成功。
1.2 FastDFS与Apache整合
本节主要介绍如何使用fastdfs-apache-module模块整合fastdfs和apahce;整合完毕后,客户端访问apache,apache根据配置,使用fastdfs连接tracker查询相应组内可用的stroage服务器,最后完成http请求的重定向!因而建议在每台storage服务器上都配置fastdfs和apahce的整合,各个组间配置相应的虚拟主机,还可以在前端使用nginx做负载均衡来分配用户的请求。在开始之前,需要在storage服务器上安装好apache,本例中使用编译方式安装!
1.2.1下载fastdfs-apache-module源码
  # wget http://fastdfs.googlecode.com/files/fastdfs-apache-module_v1.08.tar.gz
  # tar -zxvf fastdfs-apache-module_v1.08.tar.gz
  # cd fastdfs-apache-module/src/
1.2.2查看apache的编译路径和参数
  # /home/web/apache/bin/apachectl -V
  Server version: Apache/2.2.17 (Unix)
  Server built: Apr 1 2011 06:11:57
  Server's Module Magic Number: 20051115:25
  Server loaded: APR 1.4.2, APR-Util 1.3.10
  Compiled using: APR 1.4.2, APR-Util 1.3.10
  Architecture: 32-bit
  Server MPM:Prefork
   threaded:no
   forked:yes (variable process count)
  Server compiled with....
   -D APACHE_MPM_DIR="server/mpm/prefork"
   -D APR_HAS_SENDFILE
   -D APR_HAS_MMAP
   -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
   -D APR_USE_SYSVSEM_SERIALIZE
   -D APR_USE_PTHREAD_SERIALIZE
   -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
   -D APR_HAS_OTHER_CHILD
   -D AP_HAVE_RELIABLE_PIPED_LOGS
   -D DYNAMIC_MODULE_LIMIT=128
   -D HTTPD_ROOT="/home/web/apache"
   -D SUEXEC_BIN="/home/web/apache/bin/suexec"
   -D DEFAULT_PIDLOG="logs/httpd.pid"
   -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
   -D DEFAULT_LOCKFILE="logs/accept.lock"
   -D DEFAULT_ERRORLOG="logs/error_log"
   -D AP_TYPES_CONFIG_FILE="conf/mime.types"
   -D SERVER_CONFIG_FILE="conf/httpd.conf"
1.2.3 修改makefile文件
根据apache编译情况,修改makefile文件如下;在这里不要修改INCLUDES和LIBS参数,否则编译会报错,后面使用软连接实现!
  # grep -v '^#' Makefile |grep -v '^$'
  APACHE_BASE_PATH=/home/web/apache
  builddir=.
  top_srcdir=$(APACHE_BASE_PATH)
  top_builddir=$(APACHE_BASE_PATH)
  include $(APACHE_BASE_PATH)/build/special.mk
  APXS=$(APACHE_BASE_PATH)/bin/apxs
  APACHECTL=$(APACHE_BASE_PATH)/bin/apachectl
  CFLAGS=-Wall
  DEFS=-D_FILE_OFFSET_BITS=64 -DFDFS_OUTPUT_CHUNK_SIZE='256*1024' -DFDFS_MOD_CONF_FILENAME='"/etc/fdfs/mod_fastdfs.conf"'
  INCLUDES=-I/usr/local/include/fastdfs -I/usr/local/include/fastcommon/
  LIBS=-L/usr/local/lib -lfastcommon -lfdfsclient
  SH_LIBS=-lfastcommon -lfdfsclient
  all: local-shared-build
  install: install-modules-yes
  if [ ! -f /etc/fdfs/mod_fastdfs.conf ]; then cp mod_fastdfs.conf /etc/fdfs/; fi
  clean:
  -rm -f mod_fastdfs.o mod_fastdfs.lo mod_fastdfs.slo mod_fastdfs.la
  test: reload
  lynx -mime_header http://localhost/fastdfs
  reload: install restart
  start:
  $(APACHECTL) start
  restart:
  $(APACHECTL) restart
  stop:
  $(APACHECTL) stop
  1.2.4 对fastfds目录下的lib和include目录做软连接
   # ln -s /usr/local/FastFDS/lib/libf* /usr/local/lib
  # ln -s /usr/local/FastFDS/include/fastdfs /usr/local/include/
  # ln -s /usr/local/FastFDS/include/fastcommon/ /usr/local/include/
1.2.5编译安装
  # make
  /home/web/apache/build/libtool --silent --mode=link gcc -g -O2 -pthread -Wall-lfastcommon -lfdfsclient -o
  

  mod_fastdfs.la -rpath /home/web/apache/modules -module -avoid-version mod_fastdfs.lo
  

  # make install
  /home/web/apache/build/libtool --silent --mode=install cp mod_fastdfs.la /home/web/apache/modules/
  make: Entering directory `/root/fastdfs-apache-module/src'
  /home/web/apache/build/libtool --silent --mode=install cp mod_fastdfs.la /home/web/apache/modules/
  make: Leaving directory `/root/fastdfs-apache-module/src'
  if [ ! -f /etc/fdfs/mod_fastdfs.conf ]; then cp mod_fastdfs.conf /etc/fdfs/; fi
  

  # ls /home/web/apache/modules/*fast*
  /home/web/apache/modules/mod_fastcgi.so
  /home/web/apache/modules/mod_fastdfs.so
1.2.6修改apache配置文件
让虚拟主机下的/M00所有请求都交给fastdfs模块处理
  # tail /home/web/apache/conf/httpd-vhosts.conf
  #test fastdfs
  LoadModule fastdfs_module modules/mod_fastdfs.so
  
  Servername img.yang.com
  
  sethandler fastdfs
  
  
1.2.7修改mod_fastdfs.conf文件
  指定tracker服务器的ip和端口
  # grep -v '^#' /etc/fdfs/mod_fastdfs.conf |grep -v '^$'
  connect_timeout=2
  network_timeout=30
  base_path=/home/data/fastdfs
  tracker_server=192.168.123.110:22122
  storage_server_port=23000
  group_name=group1
  url_have_group_name = false
  store_path_count=1
  store_path0=/home/data/fastdfs
  log_level=debug
  log_filename=
  response_mode=redirect
  if_alias_prefix=
  http.need_find_content_type=false
  备注:
当apache服务器不为storage节点时,apache接受到的用户请求将会跳转!
# tail -f /home/web/apache/logs/access_log
192.168.123.102 - - "GET/M00/00/00/wKh7FFAYiID1TnRyAAAA4VuHcSQ5892200 HTTP/1.1" 302 -
  这个时候,若组内其他可用的storage服务器没有配置fastdfs同apache或者nginx的模块整合,则用户无法访问相应的资源,因而建议所有的storage服务器都进行整合,关于fastdfs同nginx的整合,可参考官方文档或自行google!
# tail -f /home/web/apache/logs/error_log
DEBUG - file: common.c, line: 622, redirect tohttp://192.168.123.20/M00/00/00/wKh7FFAYiID1TnRyAAAA4VuHcSQ5892200?redirect=1
  

2 Java客户端上传下载文件实例
2.1.1上传文件
package com.jncumter.fastdfs;
import java.io.File;
import java.io.FileInputStream;
import org.csource.common.NameValuePair;
import org.csource.fastdfs.ClientGlobal;
import org.csource.fastdfs.ServerInfo;
import org.csource.fastdfs.StorageClient;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;
/***
*
* @author jncumter
* @date 2013-09-18 16:31
* Test Upload of FastDFS
*/
publicclassTestUpload {
publicstaticvoid main(String[] args) throws Exception {
//getting the config file of Java Client and initthe client global
StringclassPath = newFile(TestUpload.class.getResource("/").getFile()).getCanonicalPath();
StringconfigFilePath = classPath + File.separator + "client.conf";
System.out.println("conf file of Client"+ configFilePath);
ClientGlobal.init(configFilePath);
//getting connection of FastDFS
TrackerClienttrackerClient = newTrackerClient();
TrackerServertrackerServer = trackerClient.getConnection();
StorageServerstorageServer = null;
StorageClientstorageClient = newStorageClient(trackerServer,storageServer);
//meta data setting
NameValuePair[]meta_list = newNameValuePair;
meta_list= newNameValuePair("width","120");
meta_list= newNameValuePair("heigth","120");
meta_list= newNameValuePair("author","gary");
Filefile = newFile("F:\\1.jpg");
FileInputStreamfis = newFileInputStream(file);
byte[] file_buff = null;
if (fis != null) {
int len = fis.available();
file_buff= newbyte;
fis.read(file_buff);
}
System.out.println("file length: "+ file_buff.length);
Stringgroup_name = null;
//get store storages
StorageServer[]storageServers = trackerClient.getStoreStorages(trackerServer, group_name);
if (storageServers == null) {
System.err.println("get store storage servers fail, error code: "
+storageClient.getErrorCode());
}else{
System.err.println("store storage servers count: "
+storageServers.length);
for (int k = 0; k
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