diff options
| author | 2001-06-08 00:31:12 +0000 | |
|---|---|---|
| committer | 2001-06-08 00:31:12 +0000 | |
| commit | 135babee19a43abe7fb48cddf334473de0322643 (patch) | |
| tree | 91d9da667ace98f196a175912a9d68766800c2e2 /tools/dumpiso.c | |
| parent | debian: Remove a now useless substvar. (diff) | |
Moved testlibraw.c from src to tools directory.
Added sendiso and dumpiso programs in tools directory.
Added man pages for sendiso and dumpiso in doc directory.
git-svn-id: svn://svn.linux1394.org/libraw1394/trunk@66 53a565d1-3bb7-0310-b661-cf11e63c67ab
Diffstat (limited to 'tools/dumpiso.c')
| -rw-r--r-- | tools/dumpiso.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/tools/dumpiso.c b/tools/dumpiso.c new file mode 100644 index 0000000..2fcef78 --- /dev/null +++ b/tools/dumpiso.c @@ -0,0 +1,236 @@ +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <getopt.h> +#include <errno.h> +#include <fcntl.h> + +#include "../src/raw1394.h" + + +u_int64_t listen_channels; +unsigned long which_port; +char *filename; +int file; + +int done; + +void usage_exit(int exitcode) +{ + fprintf(stderr, +"Usage: dumpiso [opts] [FILE]\n" +"Dump IEEE 1394 isochronous channels to FILE or standard output.\n" +"\n" +"-c --channels CHANNELS Listen on these channels; CHANNELS is either a\n" +" number X or a range X-Y.\n" +"-p --port PORT Choose 1394 chip PORT. (default: 0)\n" +"-h --help Show this help.\n" +); + + exit(exitcode); +} + +void parse_args(int argc, char **argv) +{ + int i; + char *tail; + unsigned long chan1, chan2; + + int c; + int index; + static struct option opts[] = { + { "channels", required_argument, NULL, 'c' }, + { "port", required_argument, NULL, 'p' }, + { "help", no_argument, NULL, 'h' }, + { 0 } + }; + + while (1) { + c = getopt_long(argc, argv, "hc:p:", opts, &index); + if (c == -1) break; + + switch (c) { + case 'c': + chan1 = strtoul(optarg, &tail, 10); + chan2 = chan1; + + if (*tail) { + if (tail[0] != '-' || !tail[1]) { + fprintf(stderr, + "invalid argument to channels: %s\n", + optarg); + usage_exit(1); + } + + tail++; + chan2 = strtoul(tail, &tail, 10); + if (*tail) { + fprintf(stderr, + "invalid argument to channels: %s\n", + optarg); + usage_exit(1); + } + } + + if (chan2 < chan1) { + unsigned long x = chan1; + chan1 = chan2; + chan2 = x; + } + + if (chan2 > 63) { + fprintf(stderr, + "invalid channel numbers: %s\n", + optarg); + exit(1); + } + + for (i = chan1; i <= chan2; i++) + listen_channels |= 1ULL << i; + + break; + case 'p': + which_port = strtoul(optarg, &tail, 10); + if (*tail) { + fprintf(stderr, + "invalid argument to port: %s\n", + optarg); + usage_exit(1); + } + break; + case 'h': + usage_exit(0); + case '?': + usage_exit(1); + default: + abort(); + } + } + + argv += optind; + argc -= optind; + + if (argc > 1) { + fprintf(stderr, "Too many arguments.\n"); + usage_exit(1); + } + + if (argc) filename = *argv; + + if (!listen_channels) listen_channels = ~0ULL; +} + +void write_header() +{ + static char header[32] = "1394 isodump v1"; + int i; + + for (i = 0; i < 8; i++) + header[i+16] = (listen_channels >> (56 - 8*i)) & 0xff; + + i = 0; + while (i < 32) { + int ret; + ret = write(file, header + i, 32 - i); + + if (ret < 0) { + perror("header write"); + exit(1); + } + + i += ret; + } +} + +void open_dumpfile() +{ + if (!filename || !filename[0] || (filename[0] == '-' && !filename[1])) { + file = fileno(stdout); + write_header(); + return; + } + + file = open(filename, O_CREAT | O_WRONLY, 0666); + if (file < 0) { + perror("dumpfile open"); + exit(1); + } + + ftruncate(file, 0); + write_header(); +} + +int iso_packet_handler(raw1394handle_t handle, int channel, size_t length, + quadlet_t *data) +{ + int ret; + static unsigned int count; + + count++; + fprintf(stderr, "\r%u", count); + fflush(stderr); + + while (length) { + ret = write(file, data, length); + if (ret < 0) { + perror("data write"); + exit(1); + } + + length -= ret; + data = (quadlet_t *)(((char *)data) + ret); + } + + return 0; +} + +int main(int argc, char **argv) +{ + raw1394handle_t handle; + int i; + + parse_args(argc, argv); + + fprintf(stderr, "port: %ld\nchannels: %#016llx\nfile: %s\n", which_port, + listen_channels, filename); + + handle = raw1394_new_handle(); + if (!handle) { + if (!errno) + fprintf(stderr, + "No working kernel driver found.\n"); + else + perror("raw1394_get_handle"); + exit(1); + } + + do { + if (raw1394_get_port_info(handle, NULL, 0) <= which_port) { + fprintf(stderr, "Port %ld does not exist.\n", + which_port); + exit(1); + } + + raw1394_set_port(handle, which_port); + } while (errno == ESTALE); + + if (errno) { + perror("raw1394_set_port"); + exit(1); + } + + open_dumpfile(); + + for (i = 0; i < 64; i++) { + if (!(listen_channels & 1ULL << i)) continue; + + raw1394_set_iso_handler(handle, i, iso_packet_handler); + raw1394_start_iso_rcv(handle, i); + } + + /* This should actually do something with the done variable, and set up + signal handlers. */ + while (!done) raw1394_loop_iterate(handle); + + return 0; +} |
