#include?“ftp.h“

struct?enbedded_cmd?cmd_list[]?=?
{
	{?“down“??srv_ftp_down??}?
	{?“up“????srv_ftp_up????}?
	{?“pwd“???srv_ftp_pwd???}?
	{?“cd“????srv_ftp_cd????}?
	{?“l(fā)s“????srv_ftp_ls????}?
	{?“quit“??srv_ftp_quit??}
	{?“\0\0“??NULL??????}
};

static?void?*do_ftp（int?client_fd）;
static?void?free_cmd（char?**cmd）;
static?char?**recv_cmd（int?sock）;

int??main（）
{
	int?sockfdclient_fd;
	struct?sockaddr_in?my_addr;
	struct?sockaddr_in?remote_addr;
	int?sin_size?=?0;
	int?on?=?1;
	if（（sockfd?=?socket（AF_INETSOCK_STREAM0））?==?-1）
	{
		perror（“socket?create?error“）;
		exit（1）;
	}
//	fcntl（sockfdF_SETFLO_NONBLOCK）;
	my_addr.sin_family?=?AF_INET;
	my_addr.sin_port?=?htons（SERVPORT）;
	my_addr.sin_addr.s_addr?=?htonl（INADDR_ANY）;
	bzero（&（my_addr.sin_zero）8）;
	setsockopt（sockfdSOL_SOCKETSO_REUSEADDR&onsizeof（on））;
	if（bind（sockfd（struct?sockaddr?*）&my_addrsizeof（struct?sockaddr））==?-1）
	{
		perror（“bind?error“）;
		exit（1）;
	}

	if（listen（sockfd5）?==?-1）
	{
		perror（“l(fā)isten?error“）;
		exit（1）;
	}
	while（1）
	{
		sin_size?=?sizeof（struct?sockaddr_in）;
		if（（client_fd=accept（sockfd（struct?sockaddr?*）&remote_addr&sin_size））==-1）
		{
			perror（“accept?error“）;
			close（client_fd）;
			exit（0）;
		}
		fcntl（client_fdF_SETFLO_NONBLOCK）;
		printf（“received?a?connect\n“）;
		pthread_t?thread;
		if（0?!=?pthread_create（&threadNULLdo_ftp（void*）（client_fd）））
			perror（“create?thread?error“）;
	}
	return?0;
}

void?*do_ftp（int?sock）
{
	char?**cmd;
	int?i=0;

	while（1）
	{
		cmd?=?recv_cmd（sock）;
		i?=?0;
		while（cmd_list[i].func）
		{
		?	if（!strncmp（cmd[0]cmd_list[i].cmdstrlen（cmd_list[i].cmd）））
			{
				cmd_list[i].func（sockcmd）;
				break;
			}
			++i;
		}
		free_cmd（cmd）;
	}
}

/*recv?a?cmd?from?the?clnthe?step?is?first?recv?how?many?argv?the?client?had?input
?*?and?then?request?the?necessary?resourceif?errer?send?a?error?message?to?client?
?*?after?that?send?a?INIT_OK?message?to?client?to?send?the?real?cmd?*/
char?**recv_cmd（int?sock）
{
	int?lenimessage;
	int?nbytes;
	char?**cmd;
	
	recv_message（sock&message）;??????/*ensure?the?other?side?init?ok*/
	if（message?!=?INIT_OK）
		return?NULL;
	recv_message（sock&len）;
	cmd?=?（char?**）malloc（sizeof（char?*）?*?（len?+?1））;
	if（cmd?==?NULL）
		goto?ERROR;
	for（i?=?0?;?i	{
		cmd[i]?=?（char?*）malloc（MAX_ARG_LEN）;
		if（cmd[i]?==?NULL）
		{
			free_cmd（cmd）;
			goto?ERROR;
		}
	}

	send_message（sockINIT_OK）;
	for（i=?0?;i?	{
		nbytes?=?ftp_recv_line（sockcmd[i]）;
		cmd[i][nbytes]=0;
	}
	cmd[i]?=?NULL;
	return?cmd;
ERROR:
	send_message（sockINIT_ERROR）;
	return?NULL;
}

/*recv?a?filethere?are?several?steps?:
?*?1?.?recv?a?message?from?other?side?and?ensure?it?is?ready?to?send?a?file;
?*?2?.?request?the?necessary?resource?if?error?send?a?error?message?to?other?side?and?out;
?*?3?.?send?a?INIT_OK?message?to?the?other?side?and?begin?to?recv?data;
?*?4?.?when?recv?a?line?less?than?buf_size?it?mean?a?file?send?over?or?recv?errorthen?out;
?*?*/
int?ftp_recv_file（int?sockcha

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????2017??2009-11-23?02:44??finish_ftp\linux_server\ftp.h

?????文件???????5115??2009-11-23?02:44??finish_ftp\linux_server\server.c

?????文件???????7356??2009-11-23?02:44??finish_ftp\linux_server\ftp.c

?????文件???????5233??2009-11-28?15:40??finish_ftp\windows_client\client.c

?????文件???????8718??2009-11-28?15:40??finish_ftp\windows_client\ftp.c

?????文件???????1912??2009-11-28?02:00??finish_ftp\windows_client\ftp.h

?????文件???????5059??2009-11-28?02:03??finish_ftp\windows_client\server.c

?????文件???????4435??2009-11-27?22:20??finish_ftp\windows_client\winftp.dsp

?????文件????????535??2009-11-25?19:18??finish_ftp\windows_client\winftp.dsw

?????文件??????58368??2009-12-01?15:34??finish_ftp\windows_client\winftp.ncb

?????文件??????53760??2009-12-01?15:34??finish_ftp\windows_client\winftp.opt

?????文件????????246??2009-12-01?15:34??finish_ftp\windows_client\winftp.plg

?????目錄??????????0??2009-12-01?15:33??finish_ftp\linux_server

?????目錄??????????0??2009-12-01?15:34??finish_ftp\windows_client

?????目錄??????????0??2009-11-23?02:44??finish_ftp

-----------?---------??----------?-----??----

???????????????152754????????????????????15