From 5039ebc85faf80a73891a1572fa71963906613c8 Mon Sep 17 00:00:00 2001 From: yanglong <2464416786@qq.com> Date: Sun, 8 Oct 2023 18:53:59 +0800 Subject: [PATCH] add ftp_server code --- .../app_test/test_ftpclient_final/README.md | 2 +- .../test_ftpclient_final/ftp_server/a.out | Bin 0 -> 16696 bytes .../ftp_server/data/file1 | Bin 0 -> 4096 bytes .../ftp_server/data/file10 | Bin 0 -> 4096 bytes .../ftp_server/data/file2 | Bin 0 -> 4096 bytes .../ftp_server/data/file3 | Bin 0 -> 4096 bytes .../ftp_server/data/file4 | Bin 0 -> 4096 bytes .../ftp_server/data/file5 | Bin 0 -> 4096 bytes .../ftp_server/data/file6 | Bin 0 -> 4096 bytes .../ftp_server/data/file7 | Bin 0 -> 4096 bytes .../ftp_server/data/file8 | Bin 0 -> 4096 bytes .../ftp_server/data/file9 | Bin 0 -> 4096 bytes .../ftp_server/data/gen.sh | 5 + .../test_ftpclient_final/ftp_server/out/file0 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file1 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file2 | 1 + .../test_ftpclient_final/ftp_server/out/file3 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file4 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file5 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file6 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file7 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file8 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/out/file9 | Bin 0 -> 4096 bytes .../test_ftpclient_final/ftp_server/server | Bin 0 -> 22280 bytes .../test_ftpclient_final/ftp_server/server.c | 210 ++++++++++++++++++ .../test_ftpclient_final/ftp_server/test.c | 6 + 26 files changed, 223 insertions(+), 1 deletion(-) create mode 100755 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/a.out create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file1 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file10 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file2 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file3 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file4 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file5 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file6 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file7 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file8 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/file9 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/data/gen.sh create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file0 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file1 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file2 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file3 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file4 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file5 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file6 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file7 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file8 create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/out/file9 create mode 100755 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/server create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/server.c create mode 100644 APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/test.c diff --git a/APP_Framework/Applications/app_test/test_ftpclient_final/README.md b/APP_Framework/Applications/app_test/test_ftpclient_final/README.md index 92d2096d6..f37ec7a77 100644 --- a/APP_Framework/Applications/app_test/test_ftpclient_final/README.md +++ b/APP_Framework/Applications/app_test/test_ftpclient_final/README.md @@ -7,7 +7,7 @@ test_ftpclient_final.h声明了多个客户端并发下载文件、并发上传 test_ftpclient_final.c实现了多个客户端并发下载文件、并发上传文件的测试函数 ftp_client文件夹定义了ftp_client的相关类库其中my_socket.h,my_socket.c定义了socket抽象层，并基于 Lwip实现了该抽象层，ftp_client.h,ftp_client.c实现了ftp登录，获取文件大小，下载文件等功能 -注意:在赛事提供的云服务器/root/yanglongFTP上有对应服务器代码 ./server运行服务器 +注意:在赛事提供的云服务器/root/yanglongFTP上有对应服务器代码 ./server运行服务器，为了方便查看代码我们讲服务器代码备份存放在ftp_server目录下 ## 2. 数据结构设计说明 - 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b/APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/server.c @@ -0,0 +1,210 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +#define THREAD_NUM 10 +static int isBinary = 0; // transmit binary data +static int port = 9992; // service port +static int dataPort = 9993; // the port for file download +static char order[4]; // receive order +static char param[20]; // receive order param +static char *respMessage; // respose message +static int serverFd; // the server fd for deal with order requests +static int dataServerFd; // the server fd for file download +struct Data{ + sem_t isReady; + sem_t isDone; + char fileName[20]; +}; + +void RecvData(int clientFd,char param[20]){ + recv(clientFd,param,20,0); + for(int i = 0;i < 20;++i){ + if(param[i] == '\r'){ + param[i] = '\0'; + return; + } + } + return; +} + +void SendMessage(int clientFd, char * respMessage){ + int len = 0; + while(respMessage[len] != '\n'){ + len++; + } + send(clientFd,respMessage,len+1,0); +} + +int CreateServer(int port) { + int serverFd = 0; + struct sockaddr_in serverAddr = {0}; + socklen_t socklen = 0; + serverFd = socket(AF_INET, SOCK_STREAM, 0); + if(0 > serverFd) + { + printf("创建socket失败\n"); + return 0; + } + printf("in server:serverFd=%d\n",serverFd); + serverAddr.sin_family = AF_INET; + serverAddr.sin_port = htons(port); + serverAddr.sin_addr.s_addr=htonl(INADDR_ANY); + if(0 > bind(serverFd, (void *)&serverAddr, sizeof(serverAddr))) + { + printf("绑定失败！\n"); + return 0; + } + if(0 > listen(serverFd, 1024)) + { + printf("监听失败！\n"); + return 0; + } + return serverFd; +} + +// accept a client and receive file's data +void* UpLoadServer(void * args){ + struct Data* pData = (struct Data *) args; + struct sockaddr_in clientAdrr = {0}; + int socketLen = sizeof(clientAdrr); + int clientFd = accept(dataServerFd,(struct sockaddr *)&clientAdrr,&socketLen); + printf("accept a client for file upload: clientFd=%d,tid=%ld\n",clientFd,pthread_self()); + char data[4096]; + int ret = recv(clientFd,data,4096,0); + printf("ret=%d,errno=%d\n",ret,errno); + FILE * file = fopen(pData->fileName,"wb"); // fileName需要线程间通信 + fwrite(data,4096,1,file); + fclose(file); + printf("upload complete for client: clientFd=%d,tid=%ld\n",clientFd,pthread_self()); + sem_post(&pData->isDone); + close(clientFd); +} + +// accept a client and send file's data +void* DownLoadServer(void * args){ + struct Data* pData = (struct Data *) args; + struct sockaddr_in clientAdrr = {0}; + int socketLen = sizeof(clientAdrr); + int clientFd = accept(dataServerFd,(struct sockaddr *)&clientAdrr,&socketLen); + printf("accept a client for file download: clientFd=%d,tid=%ld\n",clientFd,pthread_self()); + + // wait for fileName ready + printf("wait for fileName ready,tid=%ld\n",pthread_self()); + sem_wait(&pData->isReady); + char data[4096]; + FILE * file = fopen(pData->fileName,"rb"); // fileName需要线程间通信 + fread(data,4096,1,file); + send(clientFd,data,sizeof(data),0); + fclose(file); + printf("download complete for client: clientFd=%d,tid=%ld\n",clientFd,pthread_self()); + sem_post(&pData->isDone); + close(clientFd); +} + +// deal with order requests +void* OrderServer(void * args){ + int clientFd = *(int *)args; + struct Data data; + printf("in OrderServer thread: tid=%ld\n",pthread_self()); + // order format: USER anonymous\r\n + // response code format: 213 4096\r\n + while(1){ + recv(clientFd,order,4,0); + printf("order=%s,tid=%ld\n",order,pthread_self()); + if(strcmp(order,"USER") == 0){ + RecvData(clientFd,param); + if(strcmp(param," anonymous") == 0){ + respMessage = "331 Please specify the password.\r\n"; + SendMessage(clientFd,respMessage); + } + }else if(strcmp(order,"PASS") == 0){ + RecvData(clientFd,param); + if(strcmp(param," anonymous") == 0){ + respMessage = "230 Login successful.\r\n"; + SendMessage(clientFd,respMessage); + printf("login successful in clientFd %d,tid=%ld\n",clientFd,pthread_self()); + } + }else if(strcmp(order,"TYPE") == 0){ + RecvData(clientFd,param); + if(strcmp(param," I") == 0){ + isBinary = 1; + respMessage = "200 Switching to Binary mode.\r\n"; + SendMessage(clientFd,respMessage); + } + }else if(strcmp(order,"SIZE") == 0){ + RecvData(clientFd,param); + respMessage = "213 4096\r\n"; + SendMessage(clientFd,respMessage); + }else if(strcmp(order,"PASV") == 0){ + sem_init(&data.isReady,0,0); + sem_init(&data.isDone,0,0); + RecvData(clientFd,param); + char buf[50]; + sprintf(buf,"227 Entering passive mode (8,140,53,225,%d,%d).\r\n",dataPort/256,dataPort%256); + respMessage = buf; + SendMessage(clientFd,respMessage); + }else if(strcmp(order,"RETR") == 0){ + RecvData(clientFd,param); + sprintf(data.fileName,"./data/%s",param+2); + pthread_t thread; + pthread_create(&thread,NULL,&DownLoadServer,&data); + // notify the thread of waiting fileName + sem_post(&data.isReady); + char buf[70]; + sprintf(buf,"150 Opening Binary mode data connection for %s (4096 bytes).\r\n",param+1); + respMessage = buf; + SendMessage(clientFd,respMessage); + // wait for download complete + printf("wait for download complete,tid=%ld\n",pthread_self()); + sem_wait(&data.isDone); + respMessage = "226 Transfer complete.\r\n"; + SendMessage(clientFd,respMessage); + }else if(strcmp(order,"STOR") == 0){ + RecvData(clientFd,param); + sprintf(data.fileName,"./out/%s",param+1); + pthread_t thread; + pthread_create(&thread,NULL,&UpLoadServer,&data); + char buf[70]; + sprintf(buf,"150 Opening Binary mode data connection for %s (4096 bytes).\r\n",param+1); + respMessage = buf; + SendMessage(clientFd,respMessage); + // wait for upload complete + printf("wait for upload complete,tid=%ld\n",pthread_self()); + sem_wait(&data.isDone); + respMessage = "226 Transfer complete.\r\n"; + SendMessage(clientFd,respMessage); + } + else if(strcmp(order,"QUIT") == 0){ + printf("close clientFd=%d,tid=%ld\n",clientFd,pthread_self()); + close(clientFd); + break; + } + } + return NULL; +} + +int main(){ + serverFd = CreateServer(port); + dataServerFd = CreateServer(dataPort); + int clientFds[THREAD_NUM]; + int i = 0; + while(1){ + struct sockaddr_in clientAdrr = {0}; + int socketLen = sizeof(clientAdrr); + clientFds[i] = accept(serverFd,(struct sockaddr *)&clientAdrr,&socketLen); + printf("accept a client:fd=%d\n",clientFds[i]); + respMessage = "220 (myFtpServer 1.0)\r\n"; + SendMessage(clientFds[i],respMessage); + printf("send successful.\n"); + pthread_t thread; + pthread_create(&thread,NULL,&OrderServer,&clientFds[i]); + i++; + } + return 0; +} diff --git a/APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/test.c b/APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/test.c new file mode 100644 index 000000000..2ef2d11a0 --- /dev/null +++ b/APP_Framework/Applications/app_test/test_ftpclient_final/ftp_server/test.c @@ -0,0 +1,6 @@ +#include + +int main(){ + char* t = "123456789\r\n"; + printf("%ld:%s",sizeof(t),t); +} \ No newline at end of file