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/*
* lmFileServer.cpp
*
* Created on: 2016年7月12日
* Author: limin
*/
#
include
"
lmFileServer.h
"
lm_File_Server::lm_File_Server
() {
serverport =
1116
;
server_fd =
ServerInit
(serverport);
}
lm_File_Server::lm_File_Server
(
int
port)
{
serverport = port;
server_fd =
ServerInit
(serverport);
}
lm_File_Server::~lm_File_Server
() {
//
TODO Auto-generated destructor stub
}
int
lm_File_Server::ServerInit
(
int
port)
{
//
The Server address
struct
sockaddr_in
server_addr;
int
socket_fd;
//
Create the server socket
if
((socket_fd=
socket
(
AF_INET
,
SOCK_STREAM
,
0
)) == -
1
)
{
perror
(
"
Socket Create Error:
"
);
exit
(-
1
);
}
//
Set the server end-point attributes
bzero
(&server_addr,
sizeof
(
struct
sockaddr
) );
server_addr.
sin_family
=
AF_INET
;
//
IPv4
server_addr.
sin_addr
.
s_addr
=
htonl
(
INADDR_ANY
);
//
server_addr.sin_addr.s_addr = inet_addr("192.168.1.103");
server_addr.
sin_port
=
htons
(port);
//
Set the Address reuse
int
reuse =
1
;
if
(
setsockopt
(socket_fd,
SOL_SOCKET
,
SO_REUSEADDR
, &reuse,
sizeof
(reuse)) == -
1
)
{
perror
(
"
SetSocketOpet Error:
"
);
exit
(-
1
);
}
//
bind the server socket
if
(
bind
(socket_fd, (
struct
sockaddr
*)(&server_addr),
sizeof
(
struct
sockaddr
)) == -
1
)
{
perror
(
"
Bind Error:
"
);
exit
(-
1
);
}
//
set the max client num
if
(
listen
(socket_fd,
10
) == -
1
)
{
perror
(
"
Listen Initialization Error:
"
);
exit
(-
1
);
}
//
return
socket_fd;
}
int
lm_File_Server::RecvFile
(
char
* filename)
{
unsigned
int
sin_size =
sizeof
(
struct
sockaddr_in
);
int
newClient_fd;
sockaddr_in newClient_addr;
//
Blocking the server and wait for new connection
newClient_fd =
accept
(server_fd, (
struct
sockaddr
*)(&newClient_addr), &sin_size);
if
(newClient_fd == -
1
)
{
perror
(
"
Accept Error:
"
);
exit
(-
1
);
}
//
Print the New Client Information
cout <<
"
New Client Connected:
"
<<
inet_ntoa
(newClient_addr.
sin_addr
) << endl;
//
Receive the data from the new client
char
buffer[
4096
] = {
0
};
unsigned
int
nbytes =
0
;
FILE
*fp =
fopen
(filename,
"
w
"
);
if
(fp ==
NULL
)
{
perror
(
"
Failed to open file for writing!
"
);
exit
(-
1
);
}
//
flush the buffer
bzero
(buffer,
4096
);
while
((nbytes =
recv
(newClient_fd, buffer,
4096
,
0
)) >
0
)
{
/*
* The client should close the connection immediately after sent file,
* to Ensure this loop break.
*
*/
//
Write the buffer to the file
if
(
fwrite
(buffer,
sizeof
(
char
), nbytes, fp) < nbytes)
{
perror
(
"
Write file error!
"
);
break
;
}
bzero
(buffer,
4096
);
}
cout <<
"
File Received!
"
<< endl;
char
* data =
"
Done!
"
;
if
((
write
(newClient_fd, data,
strlen
(data))) == -
1
)
{
perror
(
"
Write Error:
"
);
return
-
1
;
}
//
close the current connection
close
(newClient_fd);
cout <<
"
Connection Closed!
"
<< endl;
}
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