Rev 1519 | Rev 1610 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1465 | cejka | 1 | /* |
2 | * Copyright (C) 2006 Josef Cejka |
||
3 | * Copyright (C) 2006 Jakub Vana |
||
4 | * All rights reserved. |
||
5 | * |
||
6 | * Redistribution and use in source and binary forms, with or without |
||
7 | * modification, are permitted provided that the following conditions |
||
8 | * are met: |
||
9 | * |
||
10 | * - Redistributions of source code must retain the above copyright |
||
11 | * notice, this list of conditions and the following disclaimer. |
||
12 | * - Redistributions in binary form must reproduce the above copyright |
||
13 | * notice, this list of conditions and the following disclaimer in the |
||
14 | * documentation and/or other materials provided with the distribution. |
||
15 | * - The name of the author may not be used to endorse or promote products |
||
16 | * derived from this software without specific prior written permission. |
||
17 | * |
||
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
28 | */ |
||
29 | |||
30 | |||
1363 | vana | 31 | #include <io/io.h> |
32 | #include <io/stream.h> |
||
33 | #include <string.h> |
||
34 | #include <malloc.h> |
||
35 | #include <libc.h> |
||
36 | #include <ipc/ipc.h> |
||
37 | #include <ipc/ns.h> |
||
38 | #include <ipc/fb.h> |
||
39 | #include <ipc/services.h> |
||
1451 | cejka | 40 | #include <console.h> |
1465 | cejka | 41 | #include <unistd.h> |
1519 | palkovsky | 42 | #include <async.h> |
1363 | vana | 43 | |
44 | #define FDS 32 |
||
45 | |||
1366 | decky | 46 | typedef struct stream_t { |
1363 | vana | 47 | pwritefn_t w; |
48 | preadfn_t r; |
||
49 | void * param; |
||
1519 | palkovsky | 50 | int phone; |
1366 | decky | 51 | } stream_t; |
1363 | vana | 52 | |
1519 | palkovsky | 53 | static int console_phone = -1; |
1536 | palkovsky | 54 | static stream_t streams[FDS]; |
1363 | vana | 55 | |
1451 | cejka | 56 | static ssize_t write_stderr(void *param, const void *buf, size_t count) |
1363 | vana | 57 | { |
1451 | cejka | 58 | return count; |
59 | } |
||
60 | |||
1465 | cejka | 61 | static ssize_t read_stdin(void *param, void *buf, size_t count) |
1451 | cejka | 62 | { |
1363 | vana | 63 | ipcarg_t r0,r1; |
1465 | cejka | 64 | size_t i = 0; |
65 | |||
66 | while (i < count) { |
||
1519 | palkovsky | 67 | if (sync_send_2(streams[0].phone, CONSOLE_GETCHAR, 0, 0, &r0, &r1) < 0) { |
1465 | cejka | 68 | return -1; |
69 | } |
||
70 | ((char *)buf)[i++] = r0; |
||
71 | } |
||
72 | return i; |
||
1363 | vana | 73 | } |
1465 | cejka | 74 | |
1451 | cejka | 75 | static ssize_t write_stdout(void *param, const void *buf, size_t count) |
1363 | vana | 76 | { |
77 | int i; |
||
1451 | cejka | 78 | ipcarg_t r0,r1; |
79 | |||
1366 | decky | 80 | for (i = 0; i < count; i++) |
1519 | palkovsky | 81 | send_call(streams[1].phone, CONSOLE_PUTCHAR, ((const char *)buf)[i]); |
1363 | vana | 82 | |
83 | return count; |
||
84 | } |
||
85 | |||
86 | |||
87 | |||
1451 | cejka | 88 | static stream_t open_stdin(void) |
1363 | vana | 89 | { |
90 | stream_t stream; |
||
91 | int phoneid; |
||
92 | int res; |
||
93 | |||
1451 | cejka | 94 | if (console_phone < 0) { |
95 | while ((console_phone = ipc_connect_me_to(PHONE_NS, SERVICE_CONSOLE, 0)) < 0) { |
||
1452 | palkovsky | 96 | usleep(10000); |
1451 | cejka | 97 | } |
1363 | vana | 98 | } |
99 | |||
1451 | cejka | 100 | stream.r = read_stdin; |
101 | stream.param = 0; |
||
1519 | palkovsky | 102 | stream.phone = console_phone; |
103 | |||
1451 | cejka | 104 | return stream; |
105 | } |
||
106 | |||
107 | static stream_t open_stdout(void) |
||
108 | { |
||
109 | stream_t stream; |
||
110 | int res; |
||
1519 | palkovsky | 111 | |
1451 | cejka | 112 | if (console_phone < 0) { |
113 | while ((console_phone = ipc_connect_me_to(PHONE_NS, SERVICE_CONSOLE, 0)) < 0) { |
||
1476 | cejka | 114 | usleep(10000); |
1451 | cejka | 115 | } |
116 | } |
||
1363 | vana | 117 | |
1451 | cejka | 118 | stream.w = write_stdout; |
1536 | palkovsky | 119 | stream.phone = console_phone; |
1451 | cejka | 120 | stream.param = 0; |
1363 | vana | 121 | return stream; |
122 | } |
||
123 | |||
1508 | vana | 124 | static ssize_t write_null(void *param, const void *buf, size_t count) |
125 | { |
||
126 | return count; |
||
127 | } |
||
128 | |||
129 | |||
1366 | decky | 130 | fd_t open(const char *fname, int flags) |
1363 | vana | 131 | { |
1366 | decky | 132 | int c = 0; |
133 | |||
134 | while (((streams[c].w) || (streams[c].r)) && (c < FDS)) |
||
135 | c++; |
||
136 | if (c == FDS) |
||
137 | return EMFILE; |
||
138 | |||
139 | if (!strcmp(fname, "stdin")) { |
||
1451 | cejka | 140 | streams[c] = open_stdin(); |
1363 | vana | 141 | return c; |
142 | } |
||
143 | |||
1366 | decky | 144 | if (!strcmp(fname, "stdout")) { |
1451 | cejka | 145 | streams[c] = open_stdout(); |
1363 | vana | 146 | return c; |
147 | } |
||
148 | |||
1366 | decky | 149 | if (!strcmp(fname, "stderr")) { |
150 | streams[c].w = write_stderr; |
||
1363 | vana | 151 | return c; |
152 | } |
||
1508 | vana | 153 | if (!strcmp(fname, "null")) { |
154 | streams[c].w = write_null; |
||
155 | return c; |
||
156 | } |
||
1363 | vana | 157 | } |
158 | |||
159 | |||
1366 | decky | 160 | ssize_t write(int fd, const void *buf, size_t count) |
1363 | vana | 161 | { |
1366 | decky | 162 | if (fd < FDS) |
163 | return streams[fd].w(streams[fd].param, buf, count); |
||
164 | |||
1363 | vana | 165 | return 0; |
166 | } |
||
1465 | cejka | 167 | |
168 | ssize_t read(int fd, void *buf, size_t count) |
||
169 | { |
||
170 | if (fd < FDS) |
||
171 | return streams[fd].r(streams[fd].param, buf, count); |
||
172 | |||
173 | return 0; |
||
174 | } |
||
175 | |||
1519 | palkovsky | 176 | int get_fd_phone(int fd) |
177 | { |
||
178 | if (fd >= FDS || fd < 0) |
||
179 | return -1; |
||
180 | return streams[fd].phone; |
||
181 | } |