1 /* 2 * libjingle 3 * Copyright 2012 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "talk/media/devices/deviceinfo.h" 29 30 namespace cricket { 31 32 bool GetUsbId(const Device& device, std::string* usb_id) { 33 // Both PID and VID are 4 characters. 34 const int id_size = 4; 35 const char vid[] = "vid_"; // Also contains '\0'. 36 const size_t vid_location = device.id.find(vid); 37 if (vid_location == std::string::npos || 38 vid_location + sizeof(vid) - 1 + id_size > device.id.size()) { 39 return false; 40 } 41 const char pid[] = "pid_"; 42 const size_t pid_location = device.id.find(pid); 43 if (pid_location == std::string::npos || 44 pid_location + sizeof(pid) - 1 + id_size > device.id.size()) { 45 return false; 46 } 47 std::string id_vendor = device.id.substr(vid_location + sizeof(vid) - 1, 48 id_size); 49 std::string id_product = device.id.substr(pid_location + sizeof(pid) -1, 50 id_size); 51 usb_id->clear(); 52 usb_id->append(id_vendor); 53 usb_id->append(":"); 54 usb_id->append(id_product); 55 return true; 56 } 57 58 bool GetUsbVersion(const Device& device, std::string* usb_version) { 59 return false; 60 } 61 62 } // namespace cricket 63
