2

2026-05-28 08:48:01 +08:00
parent 1132d9e9a7
commit 43902c20e4
93 changed files with 84995 additions and 26 deletions
--- a/server-exp/ftpc.c
+++ b/server-exp/ftpc.c
@@ -0,0 +1,109 @@
+#include "common.h"
+
+typedef struct ftp_file
+{
+    char cmd[MAXLINE];  // FTP命令
+    char filename[MAXLINE]; // 文件名参数
+    char fileSize[MAXLINE]; // 文件大小参数
+} ftp_file_t;
+
+
+int main(int argc, char **argv) 
+{
+    int client_sock, port;
+    char *host, buf[MAXLINE];
+    rio_t rio;
+
+    if (argc != 3) {
+	    fprintf(stderr, "usage: %s <host><port>\n", argv[0]);
+	    exit(1);
+    }
+    host = argv[1];
+    port = atoi(argv[2]);
+
+    client_sock = open_client_sock(host, port);
+    if(client_sock==-1) {
+        fputs("Error to connect the Server\n",stdout);
+        exit(1);
+    }
+ 
+    while (fgets(buf, MAXLINE, stdin) != NULL) {
+        ftp_file_t file;
+        FILE *fp;
+        long fileSize;
+
+        char filePath[MAXLINE] = "./"; // 假设当前目录下有文件
+
+        char *token = strtok(buf, " \t\n");  // 提取FTP命令
+        if (strcmp(token, "get") == 0 || strcmp(token, "put") == 0) {
+            strncpy(file.cmd, token, MAXLINE - 1);
+            file.cmd[MAXLINE - 1] = '\0';
+        } else {
+            printf("Unsupported command: %s\n", token);
+            continue; // 如果不是get或put命令，跳过处理
+        }
+
+        token = strtok(NULL, " \t\n");  // 提取文件名参数
+        if (token != NULL) {
+            strncpy(file.filename, token, MAXLINE - 1);
+            file.filename[MAXLINE - 1] = '\0';
+        } else {
+            printf("Filename is required for command: %s\n", file.cmd);
+            continue; // 如果没有提供文件名参数，跳过处理
+        }
+
+       
+
+        if (strcmp(file.cmd,"put")==0)
+        {
+            strcat(filePath, file.filename); // 构建完整文件路径
+            fp = fopen(filePath, "r");
+            if (fp == NULL) {
+                perror("Error opening file");
+                continue;
+            } else {
+                fseek(fp, 0, SEEK_END);
+                fileSize = ftell(fp);
+                fclose(fp);
+                snprintf(file.fileSize, MAXLINE, "%ld", fileSize); // 将文件大小转换为字符串并存储
+            }
+
+            send(client_sock, &file, sizeof(ftp_file_t), 0);
+            fp = fopen(filePath, "r");
+            if (fp == NULL) {
+                perror("Error opening file for reading");
+            } else {
+                char *fileContent = malloc(fileSize);
+                fread(fileContent, 1, fileSize, fp); // 从文件中读取内容到缓冲区
+                send(client_sock, fileContent, fileSize, 0); // 发送文件内容
+                free(fileContent);
+                recv(client_sock, buf, MAXLINE, 0);
+                fputs(buf, stdout);
+                fclose(fp);
+            }
+        }
+        else if (strcmp(file.cmd,"get")==0)
+        {
+            send(client_sock, &file, sizeof(ftp_file_t), 0);
+            recv(client_sock, &file, sizeof(ftp_file_t), 0); // 接收文件信息
+            int fileSize = atoi(file.fileSize);
+            if (fileSize > 0) {
+                char *fileContent = malloc(fileSize); // 根据文件大小分配内存
+                recv(client_sock, fileContent, fileSize, 0); // 接收文件内容
+                FILE *fp = fopen(file.filename, "w");
+                if (fp != NULL) {
+                    fwrite(fileContent, 1, fileSize, fp); // 将接收到的内容写入文件
+                    fclose(fp);
+                } else {
+                    perror("Error creating file");
+                }
+                free(fileContent); // 释放内存
+            }
+            recv(client_sock, buf, MAXLINE, 0);
+            fputs(buf, stdout);
+        }
+        
+    }
+    close(client_sock);
+    exit(0);
+}