1/*
2Copyright (c) 2012, Broadcom Europe Ltd
3All rights reserved.
4
5Redistribution and use in source and binary forms, with or without
6modification, are permitted provided that the following conditions are met:
7 * Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9 * Redistributions in binary form must reproduce the above copyright
10 notice, this list of conditions and the following disclaimer in the
11 documentation and/or other materials provided with the distribution.
12 * Neither the name of the copyright holder nor the
13 names of its contributors may be used to endorse or promote products
14 derived from this software without specific prior written permission.
15
16THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
20DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*/
27
28#include <stdlib.h>
29#include <limits.h>
30#include <string.h>
31#include <stdio.h>
32#include <ctype.h>
33
34#include "containers/net/net_sockets.h"
35
36#define MAX_BUFFER_LEN 1024
37#define MAX_NAME_LEN 256
38#define MAX_PORT_LEN 32
39
40int main(int argc, char **argv)
41{
42 VC_CONTAINER_NET_T *server_sock, *sock;
43 vc_container_net_status_t status;
44 char buffer[MAX_BUFFER_LEN];
45 char name[MAX_NAME_LEN];
46 unsigned short port;
47 int ii, connections = 1;
48 size_t received;
49
50 if (argc < 2)
51 {
52 printf("Usage:\n%s <port> [<connections>]\n", argv[0]);
53 return 1;
54 }
55
56 server_sock = vc_container_net_open(NULL, argv[1], VC_CONTAINER_NET_OPEN_FLAG_STREAM, &status);
57 if (!server_sock)
58 {
59 printf("vc_container_net_open failed: %d\n", status);
60 return 2;
61 }
62
63 if (argc > 2)
64 {
65 sscanf(argv[2], "%d", &connections);
66 }
67
68 status = vc_container_net_listen(server_sock, connections);
69 if (status != VC_CONTAINER_NET_SUCCESS)
70 {
71 printf("vc_container_net_listen failed: %d\n", status);
72 vc_container_net_close(server_sock);
73 return 3;
74 }
75
76 for (ii = 0; ii < connections; ii++)
77 {
78 status = vc_container_net_accept(server_sock, &sock);
79 if (status != VC_CONTAINER_NET_SUCCESS)
80 {
81 printf("vc_container_net_accept failed: %d\n", status);
82 vc_container_net_close(server_sock);
83 return 3;
84 }
85
86 strcpy(name, "<unknown>");
87 vc_container_net_get_client_name(sock, name, sizeof(name));
88 vc_container_net_get_client_port(sock, &port);
89 printf("Connection from %s:%hu\n", name, port);
90
91 while ((received = vc_container_net_read(sock, buffer, sizeof(buffer) - 1)) != 0)
92 {
93 char *ptr = buffer;
94 size_t jj;
95
96 printf("Rx:");
97
98 /* Flip case and echo data back to client */
99 for (jj = 0; jj < received; jj++, ptr++)
100 {
101 char c = *ptr;
102
103 putchar(c);
104 if (isalpha((unsigned char)c))
105 *ptr ^= 0x20; /* Swaps case of ASCII alphabetic characters */
106 }
107
108 ptr = buffer;
109
110 printf("Tx:");
111 while (received)
112 {
113 size_t sent;
114
115 sent = vc_container_net_write(sock, ptr, received);
116 if (!sent)
117 {
118 status = vc_container_net_status(sock);
119 printf("vc_container_net_write failed: %d\n", status);
120 break;
121 }
122
123 /* Print out bytes actually sent */
124 while (sent--)
125 {
126 received--;
127 putchar(*ptr++);
128 }
129 }
130 }
131
132 status = vc_container_net_status(sock);
133
134 if (status != VC_CONTAINER_NET_SUCCESS && status != VC_CONTAINER_NET_ERROR_CONNECTION_LOST)
135 break;
136
137 vc_container_net_close(sock);
138 }
139
140 if (status != VC_CONTAINER_NET_SUCCESS)
141 {
142 printf("vc_container_net_read failed: %d\n", status);
143 }
144
145 vc_container_net_close(server_sock);
146
147 return 0;
148}
149