diff options
| -rw-r--r-- | tools/firewire/nosy-dump.c | 105 |
1 files changed, 49 insertions, 56 deletions
diff --git a/tools/firewire/nosy-dump.c b/tools/firewire/nosy-dump.c index 5241cb402d6b..f93b776370b6 100644 --- a/tools/firewire/nosy-dump.c +++ b/tools/firewire/nosy-dump.c @@ -903,11 +903,12 @@ set_input_mode(void) int main(int argc, const char *argv[]) { + uint32_t buf[128 * 1024]; + uint32_t filter; + int length, retval, view; int fd = -1; FILE *output = NULL, *input = NULL; poptContext con; - int retval; - int view; char c; struct pollfd pollfds[2]; @@ -961,70 +962,62 @@ int main(int argc, const char *argv[]) setvbuf(stdout, NULL, _IOLBF, BUFSIZ); - if (1) { - uint32_t buf[128 * 1024]; - uint32_t filter; - int length; + filter = ~0; + if (!option_iso) + filter &= ~(1 << TCODE_STREAM_DATA); + if (!option_cycle_start) + filter &= ~(1 << TCODE_CYCLE_START); + if (view == VIEW_STATS) + filter = ~(1 << TCODE_CYCLE_START); - filter = ~0; - if (!option_iso) - filter &= ~(1 << TCODE_STREAM_DATA); - if (!option_cycle_start) - filter &= ~(1 << TCODE_CYCLE_START); - if (view == VIEW_STATS) - filter = ~(1 << TCODE_CYCLE_START); + ioctl(fd, NOSY_IOC_FILTER, filter); - ioctl(fd, NOSY_IOC_FILTER, filter); + ioctl(fd, NOSY_IOC_START); - ioctl(fd, NOSY_IOC_START); + pollfds[0].fd = fd; + pollfds[0].events = POLLIN; + pollfds[1].fd = STDIN_FILENO; + pollfds[1].events = POLLIN; - pollfds[0].fd = fd; - pollfds[0].events = POLLIN; - pollfds[1].fd = STDIN_FILENO; - pollfds[1].events = POLLIN; - - while (run) { - if (input != NULL) { - if (fread(&length, sizeof length, 1, input) != 1) + while (run) { + if (input != NULL) { + if (fread(&length, sizeof length, 1, input) != 1) + return 0; + fread(buf, 1, length, input); + } else { + poll(pollfds, 2, -1); + if (pollfds[1].revents) { + read(STDIN_FILENO, &c, sizeof c); + switch (c) { + case 'q': + if (output != NULL) + fclose(output); return 0; - fread(buf, 1, length, input); - } else { - poll(pollfds, 2, -1); - if (pollfds[1].revents) { - read(STDIN_FILENO, &c, sizeof c); - switch (c) { - case 'q': - if (output != NULL) - fclose(output); - return 0; - } } - - if (pollfds[0].revents) - length = read(fd, buf, sizeof buf); - else - continue; } - if (output != NULL) { - fwrite(&length, sizeof length, 1, output); - fwrite(buf, 1, length, output); - } + if (pollfds[0].revents) + length = read(fd, buf, sizeof buf); + else + continue; + } - switch (view) { - case VIEW_TRANSACTION: - handle_packet(buf, length); - break; - case VIEW_PACKET: - print_packet(buf, length); - break; - case VIEW_STATS: - print_stats(buf, length); - break; - } + if (output != NULL) { + fwrite(&length, sizeof length, 1, output); + fwrite(buf, 1, length, output); + } + + switch (view) { + case VIEW_TRANSACTION: + handle_packet(buf, length); + break; + case VIEW_PACKET: + print_packet(buf, length); + break; + case VIEW_STATS: + print_stats(buf, length); + break; } - } else { - poptPrintUsage(con, stdout, 0); } if (output != NULL) |
