|
1 /* |
|
2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 #include <stdio.h> |
|
21 #include <assert.h> |
|
22 |
|
23 #include "CTcpPort.h" |
|
24 |
|
25 CTcpPort::CTcpPort() |
|
26 : iPort(0) |
|
27 { |
|
28 } |
|
29 |
|
30 CTcpPort::~CTcpPort() |
|
31 { |
|
32 } |
|
33 |
|
34 int CTcpPort::OpenPort( char *aPort ) |
|
35 { |
|
36 WORD version; |
|
37 WSADATA wsaData; |
|
38 |
|
39 version = MAKEWORD( 2, 2 ); |
|
40 if( WSAStartup( version, &wsaData ) ) |
|
41 { |
|
42 return WSAGetLastError(); |
|
43 } |
|
44 |
|
45 // Create a socket |
|
46 iLocalSock = socket( AF_INET, SOCK_STREAM, 0 ) ; |
|
47 if( iLocalSock == INVALID_SOCKET ) |
|
48 { |
|
49 return WSAGetLastError(); |
|
50 } |
|
51 |
|
52 // Set iPort for later use |
|
53 iPort = atoi( aPort ); |
|
54 |
|
55 // Set the socket |
|
56 iLocalAddr.sin_family = AF_INET; |
|
57 iLocalAddr.sin_port = htons( iPort ); |
|
58 iLocalAddr.sin_addr.S_un.S_addr = inet_addr( "0.0.0.0" ); |
|
59 |
|
60 // Bind |
|
61 if( bind(iLocalSock,(struct sockaddr*)&iLocalAddr, sizeof(SOCKADDR_IN)) != 0 ) |
|
62 { |
|
63 return WSAGetLastError(); |
|
64 } |
|
65 |
|
66 // Listen to the socket |
|
67 if( listen( iLocalSock, 1 ) == SOCKET_ERROR ) |
|
68 { |
|
69 return WSAGetLastError(); |
|
70 } |
|
71 |
|
72 // Wait for the next connection |
|
73 int remote_addr_len = sizeof(iRemoteAddr); |
|
74 iRemoteSock = accept( iLocalSock, (struct sockaddr*)&iRemoteAddr, &remote_addr_len ); |
|
75 if( iRemoteSock == INVALID_SOCKET ) |
|
76 { |
|
77 return WSAGetLastError(); |
|
78 } |
|
79 |
|
80 return 0; |
|
81 } |
|
82 |
|
83 void CTcpPort::ClosePort() |
|
84 { |
|
85 closesocket(iRemoteSock); |
|
86 closesocket(iLocalSock); |
|
87 WSACleanup(); |
|
88 } |
|
89 |
|
90 int CTcpPort::ReceiveBytes( char *aBuff, int *aLength ) |
|
91 { |
|
92 int received_byte_count = 0; |
|
93 int bytes_to_receive = *aLength; |
|
94 int bytes_received_this_round = 1; |
|
95 |
|
96 while( received_byte_count < bytes_to_receive ) |
|
97 { |
|
98 bytes_received_this_round = recv( iRemoteSock, &(aBuff[received_byte_count]), bytes_to_receive - received_byte_count, 0 ); |
|
99 if( bytes_received_this_round == SOCKET_ERROR ) |
|
100 { |
|
101 *aLength = received_byte_count; |
|
102 return WSAGetLastError(); |
|
103 } |
|
104 else if( bytes_received_this_round == 0 ) |
|
105 { |
|
106 // The socket has been killed |
|
107 |
|
108 // Now close it at this end |
|
109 closesocket(iRemoteSock); |
|
110 closesocket(iLocalSock); |
|
111 WSACleanup(); |
|
112 |
|
113 // Wait for a new connection |
|
114 char port[20]; |
|
115 sprintf(port, "%d", iPort); |
|
116 int ret = OpenPort( port ); |
|
117 if( ret != 0 ) |
|
118 { |
|
119 return ret; |
|
120 } |
|
121 } |
|
122 |
|
123 received_byte_count += bytes_received_this_round; |
|
124 } |
|
125 |
|
126 *aLength = received_byte_count; |
|
127 return 0; |
|
128 } |
|
129 |
|
130 int CTcpPort::SendBytes( char *aBuff, int *aLength ) |
|
131 { |
|
132 int bytes_sent_this_round; |
|
133 int total_bytes_to_send = *aLength; |
|
134 int total_bytes_sent = 0; |
|
135 |
|
136 while( total_bytes_sent < total_bytes_to_send ) |
|
137 { |
|
138 bytes_sent_this_round = send( iRemoteSock, &(aBuff[total_bytes_sent]), total_bytes_to_send - total_bytes_sent, 0 ); |
|
139 if( bytes_sent_this_round == SOCKET_ERROR ) |
|
140 { |
|
141 return WSAGetLastError(); |
|
142 } |
|
143 total_bytes_sent += bytes_sent_this_round; |
|
144 } |
|
145 return 0; |
|
146 } |
|
147 |