/********************************************************** *Filename: coms.h *Author:   星云鵬 *Date:     2008-05-15 * *主要的數據結構、全局變量和包的解析與生成 *********************************************************/#ifndef COMMAND_H#define COMMAND_H#include <unistd.h>#include <netinet/in.h>#include <stdlib.h>#include <stdio.h>#include <string.h>#include <strings.h>#include <semaphore.h>#define NAMELEN 50#define MSGLEN  1000#define COMLEN  1500#define RECFRG  1448#define HSIZE   10#define FILENAME 128#define MSGLIMIT 100#define HL_HEADERSIZE	4#define HL_FILESIZE	9#define HL_FILETYPE	1#define HL_1416		11#define CAPACITY     50#define IMHELP    \  "Commands: help(h) list(ls) talk(tk) sendfile(sf)\n"\  "Commands: getfile(gf) refresh(rf) ceaseSend(cs) quit(q)\n"typedef int (*Mysnd)(int, const char*, int, int);typedef struct filenode filenode;typedef struct command{  unsigned int version;  unsigned int packetNo;  char         senderName[NAMELEN];  char         senderHost[NAMELEN];  unsigned int commandNo;  char         additional[MSGLEN];  struct sockaddr_in peer;  filenode *   fileList;  struct command *next;}command;struct filenode //文件序號:文件名:大小(單位:字節):最后修改時間:文件屬性 [: 附加屬性=val1[,val2…][:附加信息=…]]:\a文件序號…{  int    tcpSock;  unsigned int    fileNo;  char   fileName[FILENAME];  char   fileSize[NAMELEN];  char   mtime[NAMELEN];  int    fileType;  char   otherAttrs[2*NAMELEN];  struct filenode* next;};typedef struct gsNode{  int tcpSock;  struct sockaddr_in peer;  unsigned int packetNo;  int	 transferring;  int    cancelled;  char  *targetDir;  filenode fileList;  struct gsNode *next;} gsNode;typedef struct msgList{  command comHead;  command *comTail;} msgList;extern const char allHosts[]; //廣播用地址extern int msgSock; //消息extern int tcpSock; //文件extern struct passwd* pwd; extern struct utsname sysName;extern char workDir[FILENAME];extern int utf8; //系統的LC_CTYPEextern gsNode sendFHead, getFHead; //發送和接收文件列表extern msgList mList; //接受到的消息列表extern pthread_mutex_t sendFMutex; //發送文件extern pthread_mutex_t getFMutex;  //接收文件extern pthread_mutex_t msgMutex;   //消息隊列extern pthread_mutex_t usrMutex;   //消息隊列extern sem_t waitNonEmpty, waitNonFull; //消息列表信號量extern int msgParser(char *msg, int size, command* com);extern int msgCreater(char* msg, command* com, size_t msgLen);extern filenode* getFilelist(const char* comFiles);extern void initCommand(command *com, unsigned int flag);extern void deCommand(command *com);extern void initGsNode(gsNode *gs);extern void deGsNode(gsNode *gs);#endif