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Commit 82a2116e authored by San Mehat's avatar San Mehat
Browse files

nexus: Initial support for manipulating wifi networks + change wifi scan notification msgs 



Signed-off-by: default avatarSan Mehat <san@google.com>
parent df6c1b91

nexus/Android.mk

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ LOCAL_SRC_FILES:= \ 
                  VpnController.cpp        \

                  ScanResult.cpp           \

                  WifiScanner.cpp          \

                  WifiNetwork.cpp          \



LOCAL_MODULE:= nexus

nexus/CommandListener.cpp

+134 −4
Original line number Diff line number Diff line
@@ -33,6 +33,11 @@ CommandListener::CommandListener() : 
    registerCmd(new WifiDisableCmd());

    registerCmd(new WifiScanCmd());

    registerCmd(new WifiScanResultsCmd());

    registerCmd(new WifiListNetworksCmd());

    registerCmd(new WifiAddNetworkCmd());

    registerCmd(new WifiRemoveNetworkCmd());

    registerCmd(new WifiSetVarCmd());

    registerCmd(new WifiGetVarCmd());



    registerCmd(new VpnEnableCmd());

    registerCmd(new VpnDisableCmd());
@@ -70,13 +75,46 @@ int CommandListener::WifiDisableCmd::runCommand(SocketClient *cli, char *data) { 
    return 0;

}



CommandListener::WifiAddNetworkCmd::WifiAddNetworkCmd() :

                 NexusCommand("wifi_add_network") {

} 

               

int CommandListener::WifiAddNetworkCmd::runCommand(SocketClient *cli, char *data) {

    NetworkManager *nm = NetworkManager::Instance();

    WifiController *wc = (WifiController *) nm->findController("WIFI");

    int networkId;



    if ((networkId = wc->addNetwork()) < 0)

        cli->sendMsg(ErrorCode::OperationFailed, "Failed to add network", true);

    else {

        char tmp[128];

        sprintf(tmp, "Added network id %d.", networkId);

        cli->sendMsg(ErrorCode::CommandOkay, tmp, false);

    }

    return 0;

}



CommandListener::WifiRemoveNetworkCmd::WifiRemoveNetworkCmd() :

                 NexusCommand("wifi_remove_network") {

} 

               

int CommandListener::WifiRemoveNetworkCmd::runCommand(SocketClient *cli, char *data) {

    NetworkManager *nm = NetworkManager::Instance();

    WifiController *wc = (WifiController *) nm->findController("WIFI");



    if (wc->removeNetwork(atoi(data)))

        cli->sendMsg(ErrorCode::OperationFailed, "Failed to remove network", true);

    else {

        cli->sendMsg(ErrorCode::CommandOkay, "Network removed.", false);

    }

    return 0;

}



CommandListener::WifiScanCmd::WifiScanCmd() :

                 NexusCommand("wifi_scan") {

} 



int CommandListener::WifiScanCmd::runCommand(SocketClient *cli, char *data) {

    LOGD("WifiScanCmd(%s)", data);



    WifiController *wc = (WifiController *) NetworkManager::Instance()->findController("WIFI");



    if (wc->setScanMode(atoi(data)))
@@ -93,7 +131,6 @@ CommandListener::WifiScanResultsCmd::WifiScanResultsCmd() : 


int CommandListener::WifiScanResultsCmd::runCommand(SocketClient *cli, char *data) {

    NetworkManager *nm = NetworkManager::Instance();



    WifiController *wc = (WifiController *) nm->findController("WIFI");



    ScanResultCollection *src = wc->createScanResults();
@@ -104,7 +141,7 @@ int CommandListener::WifiScanResultsCmd::runCommand(SocketClient *cli, char *dat 
        sprintf(buffer, "%s:%u:%d:%s:%s",

                (*it)->getBssid(), (*it)->getFreq(), (*it)->getLevel(),

                (*it)->getFlags(), (*it)->getSsid());

        cli->sendMsg(125, buffer, false);

        cli->sendMsg(ErrorCode::WifiScanResult, buffer, false);

        delete (*it);

        it = src->erase(it);

    }
@@ -114,6 +151,99 @@ int CommandListener::WifiScanResultsCmd::runCommand(SocketClient *cli, char *dat 
    return 0;

}



CommandListener::WifiListNetworksCmd::WifiListNetworksCmd() :

                 NexusCommand("wifi_list_networks") {

} 



int CommandListener::WifiListNetworksCmd::runCommand(SocketClient *cli, char *data) {

    NetworkManager *nm = NetworkManager::Instance();

    WifiController *wc = (WifiController *) nm->findController("WIFI");



    WifiNetworkCollection *src = wc->createNetworkList();

    WifiNetworkCollection::iterator it;

    char buffer[256];

    

    for(it = src->begin(); it != src->end(); ++it) {

        sprintf(buffer, "%d:%s", (*it)->getNetworkId(), (*it)->getSsid());

        cli->sendMsg(ErrorCode::WifiNetworkList, buffer, false);

        delete (*it);

        it = src->erase(it);

    }



    delete src;

    cli->sendMsg(ErrorCode::CommandOkay, "Network listing complete.", false);

    return 0;

}



CommandListener::WifiSetVarCmd::WifiSetVarCmd() :

                 NexusCommand("wifi_setvar") {

} 



int CommandListener::WifiSetVarCmd::runCommand(SocketClient *cli, char *data) {

    WifiController *wc = (WifiController *) NetworkManager::Instance()->findController("WIFI");



    char *bword;

    char *last;

    char varname[32];

    char val[250];

    int networkId;



    if (!(bword = strtok_r(data, ":", &last)))

        goto out_inval;



    networkId = atoi(bword);

   

    if (!(bword = strtok_r(NULL, ":", &last)))

        goto out_inval;



    strncpy(varname, bword, sizeof(varname));



    if (!(bword = strtok_r(NULL, ":", &last)))

        goto out_inval;



    strncpy(val, bword, sizeof(val));



    LOGD("Network id %d, varname '%s', value '%s'", networkId, varname, val);



    return 0;



out_inval:

    errno = EINVAL;

    cli->sendMsg(ErrorCode::CommandParameterError, "Failed to set variable.", true);

    return 0;

}



CommandListener::WifiGetVarCmd::WifiGetVarCmd() :

                 NexusCommand("wifi_getvar") {

} 



int CommandListener::WifiGetVarCmd::runCommand(SocketClient *cli, char *data) {

    WifiController *wc = (WifiController *) NetworkManager::Instance()->findController("WIFI");



    char *bword;

    char *last;

    char varname[32];

    int networkId;



    if (!(bword = strtok_r(data, ":", &last)))

        goto out_inval;

   

    networkId = atoi(bword);



    if (!(bword = strtok_r(NULL, ":", &last)))

        goto out_inval;



    strncpy(varname, bword, sizeof(varname));



    LOGD("networkId = %d, varname '%s'", networkId, varname);



    return 0;

out_inval:

    errno = EINVAL;

    cli->sendMsg(ErrorCode::CommandParameterError, "Failed to get variable.", true);

    return 0;

}



/* ------------

 * Vpn Commands

 * ------------ */

nexus/CommandListener.h

+35 −0
Original line number Diff line number Diff line
@@ -53,6 +53,41 @@ private: 
        int runCommand(SocketClient *c, char *data);

    };



    class WifiAddNetworkCmd : public NexusCommand {

    public:

        WifiAddNetworkCmd();

        virtual ~WifiAddNetworkCmd() {}

        int runCommand(SocketClient *c, char *data);

    };



    class WifiRemoveNetworkCmd : public NexusCommand {

    public:

        WifiRemoveNetworkCmd();

        virtual ~WifiRemoveNetworkCmd() {}

        int runCommand(SocketClient *c, char *data);

    };



    class WifiListNetworksCmd : public NexusCommand {

    public:

        WifiListNetworksCmd();

        virtual ~WifiListNetworksCmd() {}

        int runCommand(SocketClient *c, char *data);

    };



    class WifiSetVarCmd : public NexusCommand {

    public:

        WifiSetVarCmd();

        virtual ~WifiSetVarCmd() {}

        int runCommand(SocketClient *c, char *data);

    };



    class WifiGetVarCmd : public NexusCommand {

    public:

        WifiGetVarCmd();

        virtual ~WifiGetVarCmd() {}

        int runCommand(SocketClient *c, char *data);

    };



    class VpnEnableCmd : public NexusCommand {

    public:

        VpnEnableCmd();

nexus/ErrorCode.h

+4 −0
Original line number Diff line number Diff line
@@ -23,6 +23,9 @@ public: 
    // before proceeding with a new command.

    static const int ActionInitiated = 100;



    static const int WifiScanResult = 125;

    static const int WifiNetworkList = 126;



    // 200 series - Requested action has been successfully completed

    static const int CommandOkay = 200;
@@ -33,6 +36,7 @@ public: 
    // 500 series - The command was not accepted and the requested

    // action did not take place.

    static const int CommandSyntaxError = 500;

    static const int CommandParameterError = 501;



    // 600 series - Unsolicited broadcasts

    static const int UnsolicitedInformational = 600;

nexus/Supplicant.cpp

+32 −3
Original line number Diff line number Diff line
@@ -229,7 +229,7 @@ int Supplicant::sendCommand(const char *cmd, char *reply, size_t *reply_len) 
        return -1;

    }



//    LOGD("sendCommand(): -> '%s'", cmd);

    LOGD("sendCommand(): -> '%s'", cmd);



    int rc;

    if ((rc = wpa_ctrl_request(mCtrl, cmd, strlen(cmd), reply, reply_len, NULL)) == -2)  {
@@ -245,7 +245,7 @@ int Supplicant::sendCommand(const char *cmd, char *reply, size_t *reply_len) 
        !strncmp(cmd, "SCAN_RESULTS", 12)) 

        reply[*reply_len] = '\0';



//    LOGD("sendCommand(): <- '%s'", reply);

    LOGD("sendCommand(): <- '%s'", reply);

    return 0;

}
@@ -355,7 +355,7 @@ int Supplicant::onScanResultsEvent(SupplicantEvent *evt) { 
            mLatestScanResults->push_back(new ScanResult(linep));

    

        char tmp[128];

        sprintf(tmp, "%d scan results ready", mLatestScanResults->size());

        sprintf(tmp, "Scan results ready (%d)", mLatestScanResults->size());

        NetworkManager::Instance()->getBroadcaster()->

                                    sendBroadcast(ErrorCode::UnsolicitedInformational, tmp, false);

        pthread_mutex_unlock(&mLatestScanResultsLock);
@@ -412,6 +412,35 @@ ScanResultCollection *Supplicant::createLatestScanResults() { 
    return d;

}



WifiNetworkCollection *Supplicant::createNetworkList() {

    WifiNetworkCollection *d = new WifiNetworkCollection();

    return d;

}



int Supplicant::addNetwork() {

    char reply[32];

    size_t len = sizeof(reply) -1;



    memset(reply, 0, sizeof(reply));

    if (sendCommand("ADD_NETWORK", reply, &len))

        return -1;



    return atoi(reply);

}



int Supplicant::removeNetwork(int networkId) {

    char req[64];



    sprintf(req, "REMOVE_NETWORK %d", networkId);

    char reply[32];

    size_t len = sizeof(reply) -1;

    memset(reply, 0, sizeof(reply));

    

    if (sendCommand(req, reply, &len))

        return -1;

    return 0;

}



int Supplicant::setupConfig() {

    char buf[2048];

    int srcfd, destfd;