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comparison: netwerk/wifi/nsWifiScannerSolaris.cpp
netwerk/wifi/nsWifiScannerSolaris.cpp
- branch
- TOR_BUG_9701
- changeset 12
- 7540298fafa1
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| -1:000000000000 | 0:46cbd3c12541 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "nsWifiMonitor.h" | |
| 6 #include "nsWifiAccessPoint.h" | |
| 7 | |
| 8 #include "nsServiceManagerUtils.h" | |
| 9 #include "nsComponentManagerUtils.h" | |
| 10 #include "nsIMutableArray.h" | |
| 11 | |
| 12 #include "plstr.h" | |
| 13 #include <glib.h> | |
| 14 | |
| 15 #define DLADM_STRSIZE 256 | |
| 16 #define DLADM_SECTIONS 3 | |
| 17 | |
| 18 using namespace mozilla; | |
| 19 | |
| 20 struct val_strength_t { | |
| 21 const char *strength_name; | |
| 22 int signal_value; | |
| 23 }; | |
| 24 | |
| 25 static val_strength_t strength_vals[] = { | |
| 26 { "very weak", -112 }, | |
| 27 { "weak", -88 }, | |
| 28 { "good", -68 }, | |
| 29 { "very good", -40 }, | |
| 30 { "excellent", -16 } | |
| 31 }; | |
| 32 | |
| 33 static nsWifiAccessPoint * | |
| 34 do_parse_str(char *bssid_str, char *essid_str, char *strength) | |
| 35 { | |
| 36 unsigned char mac_as_int[6] = { 0 }; | |
| 37 sscanf(bssid_str, "%x:%x:%x:%x:%x:%x", &mac_as_int[0], &mac_as_int[1], | |
| 38 &mac_as_int[2], &mac_as_int[3], &mac_as_int[4], &mac_as_int[5]); | |
| 39 | |
| 40 int signal = 0; | |
| 41 uint32_t strength_vals_count = sizeof(strength_vals) / sizeof (val_strength_t); | |
| 42 for (uint32_t i = 0; i < strength_vals_count; i++) { | |
| 43 if (!strncasecmp(strength, strength_vals[i].strength_name, DLADM_STRSIZE)) { | |
| 44 signal = strength_vals[i].signal_value; | |
| 45 break; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 nsWifiAccessPoint *ap = new nsWifiAccessPoint(); | |
| 50 if (ap) { | |
| 51 ap->setMac(mac_as_int); | |
| 52 ap->setSignal(signal); | |
| 53 ap->setSSID(essid_str, PL_strnlen(essid_str, DLADM_STRSIZE)); | |
| 54 } | |
| 55 return ap; | |
| 56 } | |
| 57 | |
| 58 static void | |
| 59 do_dladm(nsCOMArray<nsWifiAccessPoint> &accessPoints) | |
| 60 { | |
| 61 GError *err = nullptr; | |
| 62 char *sout = nullptr; | |
| 63 char *serr = nullptr; | |
| 64 int exit_status = 0; | |
| 65 char * dladm_args[] = { "/usr/bin/pfexec", "/usr/sbin/dladm", | |
| 66 "scan-wifi", "-p", "-o", "BSSID,ESSID,STRENGTH" }; | |
| 67 | |
| 68 gboolean rv = g_spawn_sync("/", dladm_args, nullptr, (GSpawnFlags)0, nullptr, | |
| 69 nullptr, &sout, &serr, &exit_status, &err); | |
| 70 if (rv && !exit_status) { | |
| 71 char wlan[DLADM_SECTIONS][DLADM_STRSIZE+1]; | |
| 72 uint32_t section = 0; | |
| 73 uint32_t sout_scan = 0; | |
| 74 uint32_t wlan_put = 0; | |
| 75 bool escape = false; | |
| 76 nsWifiAccessPoint* ap; | |
| 77 char sout_char; | |
| 78 do { | |
| 79 sout_char = sout[sout_scan++]; | |
| 80 if (escape) { | |
| 81 escape = false; | |
| 82 if (sout_char != '\0') { | |
| 83 wlan[section][wlan_put++] = sout_char; | |
| 84 continue; | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 if (sout_char =='\\') { | |
| 89 escape = true; | |
| 90 continue; | |
| 91 } | |
| 92 | |
| 93 if (sout_char == ':') { | |
| 94 wlan[section][wlan_put] = '\0'; | |
| 95 section++; | |
| 96 wlan_put = 0; | |
| 97 continue; | |
| 98 } | |
| 99 | |
| 100 if ((sout_char == '\0') || (sout_char == '\n')) { | |
| 101 wlan[section][wlan_put] = '\0'; | |
| 102 if (section == DLADM_SECTIONS - 1) { | |
| 103 ap = do_parse_str(wlan[0], wlan[1], wlan[2]); | |
| 104 if (ap) { | |
| 105 accessPoints.AppendObject(ap); | |
| 106 } | |
| 107 } | |
| 108 section = 0; | |
| 109 wlan_put = 0; | |
| 110 continue; | |
| 111 } | |
| 112 | |
| 113 wlan[section][wlan_put++] = sout_char; | |
| 114 | |
| 115 } while ((wlan_put <= DLADM_STRSIZE) && (section < DLADM_SECTIONS) && | |
| 116 (sout_char != '\0')); | |
| 117 } | |
| 118 | |
| 119 g_free(sout); | |
| 120 g_free(serr); | |
| 121 } | |
| 122 | |
| 123 nsresult | |
| 124 nsWifiMonitor::DoScan() | |
| 125 { | |
| 126 // Regularly get the access point data. | |
| 127 | |
| 128 nsCOMArray<nsWifiAccessPoint> lastAccessPoints; | |
| 129 nsCOMArray<nsWifiAccessPoint> accessPoints; | |
| 130 | |
| 131 while (mKeepGoing) { | |
| 132 | |
| 133 accessPoints.Clear(); | |
| 134 do_dladm(accessPoints); | |
| 135 | |
| 136 bool accessPointsChanged = !AccessPointsEqual(accessPoints, lastAccessPoints); | |
| 137 ReplaceArray(lastAccessPoints, accessPoints); | |
| 138 | |
| 139 nsresult rv = CallWifiListeners(lastAccessPoints, accessPointsChanged); | |
| 140 NS_ENSURE_SUCCESS(rv, rv); | |
| 141 | |
| 142 LOG(("waiting on monitor\n")); | |
| 143 | |
| 144 ReentrantMonitorAutoEnter mon(mReentrantMonitor); | |
| 145 mon.Wait(PR_SecondsToInterval(60)); | |
| 146 } | |
| 147 | |
| 148 return NS_OK; | |
| 149 } |
