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Squashed 'tmk_core/' changes from 7967731..b9e0ea0

b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5

git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
This commit is contained in:
Jun Wako 2015-04-24 16:26:14 +09:00
parent a20ef7052c
commit 1fe4406f37
4198 changed files with 2016457 additions and 0 deletions

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/* IPInterface.cpp */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "core/fwk.h"
#include "IPInterface.h"
#include <cstring> //For strcpy
IPInterface::IPInterface() : m_connected(false)
{
}
/*virtual*/ IPInterface::~IPInterface()
{
}
void IPInterface::registerAsDefaultInterface() //First come, first served
{
s_pDefaultInterface = this;
}
void IPInterface::unregisterAsDefaultInterface() //Must be called before inst is destroyed to avoid invalid ptr fault
{
s_pDefaultInterface = NULL;
}
/*static*/ IPInterface* IPInterface::getDefaultInterface() //For use by TCP, UDP sockets library
{
return s_pDefaultInterface;
}
/*static*/ IPInterface* IPInterface::s_pDefaultInterface = NULL;
char* IPInterface::getIPAddress() //Get IP Address as a string ('a.b.c.d')
{
if(isConnected())
{
return m_ipAddr;
}
else
{
return NULL;
}
}
bool IPInterface::isConnected() //Is the interface connected?
{
return m_connected;
}
void IPInterface::setIPAddress(char* ipAddr)
{
std::strcpy(m_ipAddr, ipAddr); //Let's trust the derived class not to buffer overflow us
}
void IPInterface::setConnected(bool connected)
{
m_connected = connected;
}

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/* IPInterface.h */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef IPINTERFACE_H_
#define IPINTERFACE_H_
#include "core/fwk.h"
/** Generic IP-based network interface
*
*/
class IPInterface
{
public:
IPInterface();
virtual ~IPInterface();
//int init(); //Initialize interface; no connection should be performed at this stage
virtual int connect() = 0; //Do connect the interface
virtual int disconnect() = 0;
//It is encouraged that the derived class implement a "setup(...)" function to configure the interface before the connection
char* getIPAddress(); //Get IP Address as a string ('a.b.c.d')
bool isConnected(); //Is the interface connected?
static IPInterface* getDefaultInterface(); //For use by TCP, UDP sockets library
//WARN: Implementation will have to be more careful in case of multiple interfaces (or implement a routing protocol based on local IP addresses differentiation)
void registerAsDefaultInterface(); //First come, first served
void unregisterAsDefaultInterface(); //Must be called before inst is destroyed to avoid invalid ptr fault
protected:
//Must be called by subclasses
void setIPAddress(char* ipAddr);
void setConnected(bool connected);
private:
char m_ipAddr[16];
bool m_connected;
static IPInterface* s_pDefaultInterface;
};
#endif /* IPINTERFACE_H_ */

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/* LwIPInterface.cpp */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "core/fwk.h"
#include "LwIPInterface.h"
extern "C" {
#include "lwip/init.h"
#include "lwip/tcpip.h"
}
LwIPInterface::LwIPInterface() : IPInterface(), m_rdySphre(1)
{
m_rdySphre.wait();
}
LwIPInterface::~LwIPInterface()
{
}
int LwIPInterface::init() //Init LwIP-specific stuff, create the right bindings, etc
{
//lwip_init(); //All LwIP initialisation functions called on a per-module basis (according to lwipopts.h)
tcpip_init(LwIPInterface::tcpipRdyCb, this); //Start TCP/IP processing thread
m_rdySphre.wait(); //Wait for callback to produce resource
return OK;
}
/*static*/ void LwIPInterface::tcpipRdyCb(void* ctx) //Result of TCP/IP thread launch
{
LwIPInterface* pIf = (LwIPInterface*) ctx;
pIf->m_rdySphre.release();
}

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/* LwIPInterface.h */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef LWIPINTERFACE_H_
#define LWIPINTERFACE_H_
#include "core/fwk.h"
#include "IPInterface.h"
#include "rtos.h"
/** LwIP-based network interface
*
*/
class LwIPInterface : public IPInterface
{
public:
LwIPInterface();
virtual ~LwIPInterface();
int init(); //Init LwIP-specific stuff, create the right bindings, etc
private:
static void tcpipRdyCb(void* ctx); //Result of TCP/IP thread launch
Semaphore m_rdySphre;
};
#endif /* LWIPINTERFACE_H_ */

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/* PPPIPInterface.cpp */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#define __DEBUG__ 0
#ifndef __MODULE__
#define __MODULE__ "PPPIPInterface.cpp"
#endif
#include "core/fwk.h"
#include "rtos.h"
#include <cstdio>
using std::sscanf;
using std::sprintf;
#include "PPPIPInterface.h"
#define MSISDN "*99#"
#define CONNECT_CMD_PREFIX "ATD "
#define CONNECT_CMD_SUFFIX "\x0D"
#define EXPECTED_RESP_SUFFIX "\x0D" "\x0A" "CONNECT" "\x0D" "\x0A"
#define EXPECTED_RESP_DATARATE_SUFFIX "\x0D" "\x0A" "CONNECT %d" "\x0D" "\x0A"
#define EXPECTED_RESP_MIN_LEN 20
#define OK_RESP "\x0D" "\x0A" "OK" "\x0D" "\x0A"
#define ESCAPE_SEQ "+++"
#define HANGUP_CMD "ATH" "\x0D"
#define NO_CARRIER_RESP "\x0D" "\x0A" "NO CARRIER" "\x0D" "\x0A"
extern "C" {
#include "lwip/ip_addr.h"
#include "lwip/inet.h"
#include "lwip/err.h"
#include "lwip/dns.h"
#include "netif/ppp/ppp.h"
}
PPPIPInterface::PPPIPInterface(IOStream* pStream) : LwIPInterface(), m_linkStatusSphre(1), m_pppErrCode(0), m_pStream(pStream), m_streamAvail(true), m_pppd(-1)
{
m_linkStatusSphre.wait();
}
/*virtual*/ PPPIPInterface::~PPPIPInterface()
{
}
/*virtual*/ int PPPIPInterface::init() //Init PPP-specific stuff, create the right bindings, etc
{
DBG("Initializing LwIP");
LwIPInterface::init(); //Init LwIP, NOT including PPP
DBG("Initializing PPP");
pppInit();
DBG("Done");
return OK;
}
int PPPIPInterface::setup(const char* user, const char* pw, const char* msisdn)
{
DBG("Configuring PPP authentication method");
pppSetAuth(PPPAUTHTYPE_ANY, user, pw);
m_msisdn = msisdn;
DBG("Done");
return OK;
}
/*virtual*/ int PPPIPInterface::connect()
{
int ret;
char cmd[32];
int cmdLen;
char buf[32];
size_t len;
DBG("Trying to connect with PPP");
cleanupLink();
cmdLen = sprintf(cmd, "%s%s%s", CONNECT_CMD_PREFIX, m_msisdn, CONNECT_CMD_SUFFIX);
DBG("Sending %s", cmd);
ret = m_pStream->write((uint8_t*)cmd, cmdLen, osWaitForever);
if( ret != OK )
{
return NET_UNKNOWN;
}
len = 0;
size_t readLen;
ret = m_pStream->read((uint8_t*)buf + len, &readLen, EXPECTED_RESP_MIN_LEN, 10000);
if( ret != OK )
{
return NET_UNKNOWN;
}
len += readLen;
while( (len < EXPECTED_RESP_MIN_LEN) || (buf[len-1] != LF) )
{
ret = m_pStream->read((uint8_t*)buf + len, &readLen, 1, 10000);
if( ret != OK )
{
return NET_UNKNOWN;
}
len += readLen;
}
buf[len]=0;
DBG("Got %s[len %d]", buf, len);
int datarate = 0;
strcpy(&cmd[cmdLen], EXPECTED_RESP_DATARATE_SUFFIX);
if( (sscanf(buf, cmd, &datarate ) != 1))
{
strcpy(&cmd[cmdLen], EXPECTED_RESP_SUFFIX);
if (strcmp(cmd, buf) != 0)
{
//Discard buffer
do //Clear buf
{
ret = m_pStream->read((uint8_t*)buf, &len, 32, 0);
} while( (ret == OK) && (len > 0) );
return NET_CONN;
}
}
DBG("Transport link open");
if(datarate != 0)
{
DBG("Datarate: %d bps", datarate);
}
m_linkStatusSphre.wait(0);
if((m_pppd != -1) && (m_pppErrCode == 0)) //Already connected
{
return NET_INVALID;
}
ret = pppOverSerialOpen(this, PPPIPInterface::linkStatusCb, this);
if(ret < 0)
{
switch(ret)
{
case PPPERR_OPEN:
default:
return NET_FULL; //All available resources are already used
}
}
m_pppd = ret; //PPP descriptor
m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
if(m_pppErrCode != PPPERR_NONE)
{
m_pppd = -1;
}
switch(m_pppErrCode)
{
case PPPERR_NONE: //Connected OK
return OK;
case PPPERR_CONNECT: //Connection lost
return NET_INTERRUPTED;
case PPPERR_AUTHFAIL: //Authentication failed
return NET_AUTH;
case PPPERR_PROTOCOL: //Protocol error
return NET_PROTOCOL;
default:
return NET_UNKNOWN;
}
}
/*virtual*/ int PPPIPInterface::disconnect()
{
int ret = m_linkStatusSphre.wait(0);
if(ret > 0) //Already disconnected?
{
m_pppd = -1; //Discard PPP descriptor
switch(m_pppErrCode)
{
case PPPERR_CONNECT: //Connection terminated
case PPPERR_AUTHFAIL: //Authentication failed
case PPPERR_PROTOCOL: //Protocol error
case PPPERR_USER:
return OK;
default:
return NET_UNKNOWN;
}
}
else
{
if(m_pppd == -1)
{
return NET_INVALID;
}
pppClose(m_pppd);
do
{
m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
DBG("Received PPP err code %d", m_pppErrCode);
} while(m_pppErrCode != PPPERR_USER);
m_pppd = -1; //Discard PPP descriptor
}
DBG("Sending %s", ESCAPE_SEQ);
ret = m_pStream->write((uint8_t*)ESCAPE_SEQ, strlen(ESCAPE_SEQ), osWaitForever);
if( ret != OK )
{
return NET_UNKNOWN;
}
cleanupLink();
return OK;
}
int PPPIPInterface::cleanupLink()
{
int ret;
char buf[32];
size_t len;
do //Clear buf
{
ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
if(ret == OK)
{
buf[len] = '\0';
DBG("Got %s", buf);
}
} while( (ret == OK) && (len > 0) );
DBG("Sending %s", HANGUP_CMD);
ret = m_pStream->write((uint8_t*)HANGUP_CMD, strlen(HANGUP_CMD), osWaitForever);
if( ret != OK )
{
return NET_UNKNOWN;
}
size_t readLen;
//Hangup
DBG("Expect %s", HANGUP_CMD);
len = 0;
while( len < strlen(HANGUP_CMD) )
{
ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(HANGUP_CMD) - len, 100);
if( ret != OK )
{
break;
}
len += readLen;
/////
buf[len]=0;
DBG("Got %s", buf);
}
buf[len]=0;
DBG("Got %s[len %d]", buf, len);
//OK response
DBG("Expect %s", OK_RESP);
len = 0;
while( len < strlen(OK_RESP) )
{
ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(OK_RESP) - len, 100);
if( ret != OK )
{
break;
}
len += readLen;
/////
buf[len]=0;
DBG("Got %s", buf);
}
buf[len]=0;
DBG("Got %s[len %d]", buf, len);
//NO CARRIER event
DBG("Expect %s", NO_CARRIER_RESP);
len = 0;
while( len < strlen(NO_CARRIER_RESP) )
{
ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(NO_CARRIER_RESP) - len, 100);
if( ret != OK )
{
break;
}
len += readLen;
/////
buf[len]=0;
DBG("Got %s", buf);
}
buf[len]=0;
DBG("Got %s[len %d]", buf, len);
do //Clear buf
{
ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
if(ret == OK)
{
buf[len] = '\0';
DBG("Got %s", buf);
}
} while( (ret == OK) && (len > 0) );
return OK;
}
/*static*/ void PPPIPInterface::linkStatusCb(void *ctx, int errCode, void *arg) //PPP link status
{
PPPIPInterface* pIf = (PPPIPInterface*)ctx;
struct ppp_addrs* addrs = (struct ppp_addrs*) arg;
switch(errCode)
{
case PPPERR_NONE:
WARN("Connected via PPP.");
DBG("Local IP address: %s", inet_ntoa(addrs->our_ipaddr));
DBG("Netmask: %s", inet_ntoa(addrs->netmask));
DBG("Remote IP address: %s", inet_ntoa(addrs->his_ipaddr));
DBG("Primary DNS: %s", inet_ntoa(addrs->dns1));
DBG("Secondary DNS: %s", inet_ntoa(addrs->dns2));
//Setup DNS
if (addrs->dns1.addr != 0)
{
dns_setserver(0, (struct ip_addr*)&(addrs->dns1));
}
if (addrs->dns2.addr != 0)
{
dns_setserver(1, (struct ip_addr*)&(addrs->dns1));
}
pIf->setConnected(true);
pIf->setIPAddress(inet_ntoa(addrs->our_ipaddr));
break;
case PPPERR_CONNECT: //Connection lost
WARN("Connection lost/terminated");
pIf->setConnected(false);
break;
case PPPERR_AUTHFAIL: //Authentication failed
WARN("Authentication failed");
pIf->setConnected(false);
break;
case PPPERR_PROTOCOL: //Protocol error
WARN("Protocol error");
pIf->setConnected(false);
break;
case PPPERR_USER:
WARN("Disconnected by user");
pIf->setConnected(false);
break;
default:
WARN("Unknown error (%d)", errCode);
pIf->setConnected(false);
break;
}
pIf->m_linkStatusSphre.wait(0); //If previous event has not been handled, "delete" it now
pIf->m_pppErrCode = errCode;
pIf->m_linkStatusSphre.release();
}
//LwIP PPP implementation
extern "C"
{
/**
* Writes to the serial device.
*
* @param fd serial device handle
* @param data pointer to data to send
* @param len length (in bytes) of data to send
* @return number of bytes actually sent
*
* @note This function will block until all data can be sent.
*/
u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)
{
DBG("sio_write");
PPPIPInterface* pIf = (PPPIPInterface*)fd;
int ret;
if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
{
return 0;
}
ret = pIf->m_pStream->write(data, len, osWaitForever); //Blocks until all data is sent or an error happens
if(ret != OK)
{
return 0;
}
return len;
}
/**
* Reads from the serial device.
*
* @param fd serial device handle
* @param data pointer to data buffer for receiving
* @param len maximum length (in bytes) of data to receive
* @return number of bytes actually received - may be 0 if aborted by sio_read_abort
*
* @note This function will block until data can be received. The blocking
* can be cancelled by calling sio_read_abort().
*/
u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
{
DBG("sio_read");
PPPIPInterface* pIf = (PPPIPInterface*)fd;
int ret;
size_t readLen;
if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
{
WARN("EXIT NOT AVAIL");
return 0;
}
ret = pIf->m_pStream->read(data, &readLen, len, osWaitForever); //Blocks until some data is received or an error happens
if(ret != OK)
{
return 0;
}
DBG("ret");
return readLen;
}
/**
* Aborts a blocking sio_read() call.
*
* @param fd serial device handle
*/
void sio_read_abort(sio_fd_t fd)
{
DBG("sio_read_abort");
PPPIPInterface* pIf = (PPPIPInterface*)fd;
if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
{
return;
}
pIf->m_pStream->abortRead();
DBG("ret");
}
}

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/* PPPIPInterface.h */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef PPPIPINTERFACE_H_
#define PPPIPINTERFACE_H_
#include "core/fwk.h"
#include "LwIPInterface.h"
#include "lwip/sio.h"
namespace rtos {
class Semaphore;
}
using namespace rtos;
#define DEFAULT_MSISDN_GSM "*99#"
#define DEFAULT_MSISDN_CDMA "#777"
/** Interface using PPP to connect to an IP-based network
*
*/
class PPPIPInterface : public LwIPInterface
{
public:
PPPIPInterface(IOStream* pStream);
virtual ~PPPIPInterface();
int init(); //Init PPP-specific stuff, create the right bindings, etc
int setup(const char* user, const char* pw, const char* msisdn); //Setup authentication
virtual int connect();
virtual int disconnect();
private:
int cleanupLink();
static void linkStatusCb(void *ctx, int errCode, void *arg); //PPP link status
Semaphore m_linkStatusSphre;
int m_pppErrCode;
IOStream* m_pStream; //Serial stream
bool m_streamAvail;
const char* m_msisdn;
int m_pppd;
friend u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
friend u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
friend void sio_read_abort(sio_fd_t fd);
};
#endif /* PPPIPINTERFACE_H_ */