diff options
Diffstat (limited to 'libwmc/src/commands.c')
-rw-r--r-- | libwmc/src/commands.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/libwmc/src/commands.c b/libwmc/src/commands.c new file mode 100644 index 00000000..08bfd4da --- /dev/null +++ b/libwmc/src/commands.c @@ -0,0 +1,109 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * Copyright (C) 2011 Red Hat, Inc. + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <string.h> + +#include "commands.h" +#include "errors.h" +#include "result-private.h" +#include "utils.h" +#include "protocol.h" + + +/**********************************************************************/ + +static int +check_command (const char *buf, gsize len, guint8 cmd, gsize min_len) +{ + if (len < 1) { + wmc_err (0, "Zero-length response"); + return -WMC_ERROR_RESPONSE_BAD_LENGTH; + } + + if (buf[0] != cmd) { + wmc_err (0, "Unexpected WMC command response (expected %d, got %d)", + cmd, buf[0]); + return -WMC_ERROR_RESPONSE_UNEXPECTED; + } + + if (len < min_len) { + wmc_err (0, "WMC command %d response not long enough (got %zu, expected " + "at least %zu).", cmd, len, min_len); + return -WMC_ERROR_RESPONSE_BAD_LENGTH; + } + + return 0; +} + +/**********************************************************************/ + +size_t +wmc_cmd_device_info_new (char *buf, size_t buflen) +{ + WmcCmdHeader *cmd = (WmcCmdHeader *) buf; + + wmc_return_val_if_fail (buf != NULL, 0); + wmc_return_val_if_fail (buflen >= sizeof (*cmd), 0); + + memset (cmd, 0, sizeof (*cmd)); + cmd->cmd = WMC_CMD_DEVICE_INFO; + return sizeof (*cmd); +} + +WmcResult * +wmc_cmd_device_info_result (const char *buf, gsize buflen) +{ + WmcResult *r = NULL; + WmcCmdDeviceInfoRsp *rsp = (WmcCmdDeviceInfoRsp *) buf; + char tmp[65]; + + g_return_val_if_fail (buf != NULL, NULL); + + if (check_command (buf, buflen, WMC_CMD_DEVICE_INFO, sizeof (WmcCmdDeviceInfoRsp)) < 0) + return NULL; + + r = wmc_result_new (); + + /* Manf */ + memset (tmp, 0, sizeof (tmp)); + g_assert (sizeof (rsp->manf) <= sizeof (tmp)); + memcpy (tmp, rsp->manf, sizeof (rsp->manf)); + wmc_result_add_string (r, WMC_CMD_DEVICE_INFO_ITEM_MANUFACTURER, tmp); + + /* Model */ + memset (tmp, 0, sizeof (tmp)); + g_assert (sizeof (rsp->model) <= sizeof (tmp)); + memcpy (tmp, rsp->model, sizeof (rsp->model)); + wmc_result_add_string (r, WMC_CMD_DEVICE_INFO_ITEM_MODEL, tmp); + + /* Firmware revision */ + memset (tmp, 0, sizeof (tmp)); + g_assert (sizeof (rsp->fwrev) <= sizeof (tmp)); + memcpy (tmp, rsp->fwrev, sizeof (rsp->fwrev)); + wmc_result_add_string (r, WMC_CMD_DEVICE_INFO_ITEM_FW_REVISION, tmp); + + /* Hardware revision */ + memset (tmp, 0, sizeof (tmp)); + g_assert (sizeof (rsp->hwrev) <= sizeof (tmp)); + memcpy (tmp, rsp->hwrev, sizeof (rsp->hwrev)); + wmc_result_add_string (r, WMC_CMD_DEVICE_INFO_ITEM_HW_REVISION, tmp); + + return r; +} + +/**********************************************************************/ + |