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try to catch some edge cases between LwIP and Async tasks

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me-no-dev
2019-06-24 10:23:58 +02:00
parent b5c6167a3f
commit 4e7d1c3a2d
2 changed files with 165 additions and 138 deletions
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src/AsyncTCP.h
+95 -87
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@@ -53,6 +53,92 @@ struct tcp_pcb;
struct ip_addr;
class AsyncClient {
public:
AsyncClient(tcp_pcb* pcb = 0);
~AsyncClient();
AsyncClient & operator=(const AsyncClient &other);
AsyncClient & operator+=(const AsyncClient &other);
bool operator==(const AsyncClient &other);
bool operator!=(const AsyncClient &other) {
return !(*this == other);
}
bool connect(IPAddress ip, uint16_t port);
bool connect(const char* host, uint16_t port);
void close(bool now = false);
void stop();
int8_t abort();
bool free();
bool canSend();//ack is not pending
size_t space();//space available in the TCP window
size_t add(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY);//add for sending
bool send();//send all data added with the method above
//write equals add()+send()
size_t write(const char* data);
size_t write(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY); //only when canSend() == true
uint8_t state();
bool connecting();
bool connected();
bool disconnecting();
bool disconnected();
bool freeable();//disconnected or disconnecting
uint16_t getMss();
uint32_t getRxTimeout();
void setRxTimeout(uint32_t timeout);//no RX data timeout for the connection in seconds
uint32_t getAckTimeout();
void setAckTimeout(uint32_t timeout);//no ACK timeout for the last sent packet in milliseconds
void setNoDelay(bool nodelay);
bool getNoDelay();
uint32_t getRemoteAddress();
uint16_t getRemotePort();
uint32_t getLocalAddress();
uint16_t getLocalPort();
//compatibility
IPAddress remoteIP();
uint16_t remotePort();
IPAddress localIP();
uint16_t localPort();
void onConnect(AcConnectHandler cb, void* arg = 0); //on successful connect
void onDisconnect(AcConnectHandler cb, void* arg = 0); //disconnected
void onAck(AcAckHandler cb, void* arg = 0); //ack received
void onError(AcErrorHandler cb, void* arg = 0); //unsuccessful connect or error
void onData(AcDataHandler cb, void* arg = 0); //data received (called if onPacket is not used)
void onPacket(AcPacketHandler cb, void* arg = 0); //data received
void onTimeout(AcTimeoutHandler cb, void* arg = 0); //ack timeout
void onPoll(AcConnectHandler cb, void* arg = 0); //every 125ms when connected
void ackPacket(struct pbuf * pb);//ack pbuf from onPacket
size_t ack(size_t len); //ack data that you have not acked using the method below
void ackLater(){ _ack_pcb = false; } //will not ack the current packet. Call from onData
const char * errorToString(int8_t error);
const char * stateToString();
//Do not use any of the functions below!
static int8_t _s_poll(void *arg, struct tcp_pcb *tpcb);
static int8_t _s_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *pb, int8_t err);
static int8_t _s_fin(void *arg, struct tcp_pcb *tpcb, int8_t err);
static int8_t _s_lwip_fin(void *arg, struct tcp_pcb *tpcb, int8_t err);
static void _s_error(void *arg, int8_t err);
static int8_t _s_sent(void *arg, struct tcp_pcb *tpcb, uint16_t len);
static int8_t _s_connected(void* arg, void* tpcb, int8_t err);
static void _s_dns_found(const char *name, struct ip_addr *ipaddr, void *arg);
int8_t _recv(tcp_pcb* pcb, pbuf* pb, int8_t err);
tcp_pcb * pcb(){ return _pcb; }
protected:
tcp_pcb* _pcb;
@@ -91,100 +177,13 @@ class AsyncClient {
int8_t _lwip_fin(tcp_pcb* pcb, int8_t err);
void _dns_found(struct ip_addr *ipaddr);
public:
AsyncClient* prev;
AsyncClient* next;
AsyncClient(tcp_pcb* pcb = 0);
~AsyncClient();
AsyncClient & operator=(const AsyncClient &other);
AsyncClient & operator+=(const AsyncClient &other);
bool operator==(const AsyncClient &other);
bool operator!=(const AsyncClient &other) {
return !(*this == other);
}
bool connect(IPAddress ip, uint16_t port);
bool connect(const char* host, uint16_t port);
void close(bool now = false);
void stop();
int8_t abort();
bool free();
bool canSend();//ack is not pending
size_t space();
size_t add(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY);//add for sending
bool send();//send all data added with the method above
size_t ack(size_t len); //ack data that you have not acked using the method below
void ackLater(){ _ack_pcb = false; } //will not ack the current packet. Call from onData
size_t write(const char* data);
size_t write(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY); //only when canSend() == true
uint8_t state();
bool connecting();
bool connected();
bool disconnecting();
bool disconnected();
bool freeable();//disconnected or disconnecting
uint16_t getMss();
uint32_t getRxTimeout();
void setRxTimeout(uint32_t timeout);//no RX data timeout for the connection in seconds
uint32_t getAckTimeout();
void setAckTimeout(uint32_t timeout);//no ACK timeout for the last sent packet in milliseconds
void setNoDelay(bool nodelay);
bool getNoDelay();
uint32_t getRemoteAddress();
uint16_t getRemotePort();
uint32_t getLocalAddress();
uint16_t getLocalPort();
IPAddress remoteIP();
uint16_t remotePort();
IPAddress localIP();
uint16_t localPort();
void onConnect(AcConnectHandler cb, void* arg = 0); //on successful connect
void onDisconnect(AcConnectHandler cb, void* arg = 0); //disconnected
void onAck(AcAckHandler cb, void* arg = 0); //ack received
void onError(AcErrorHandler cb, void* arg = 0); //unsuccessful connect or error
void onData(AcDataHandler cb, void* arg = 0); //data received (called if onPacket is not used)
void onPacket(AcPacketHandler cb, void* arg = 0); //data received
void onTimeout(AcTimeoutHandler cb, void* arg = 0); //ack timeout
void onPoll(AcConnectHandler cb, void* arg = 0); //every 125ms when connected
void ackPacket(struct pbuf * pb);
const char * errorToString(int8_t error);
const char * stateToString();
int8_t _recv(tcp_pcb* pcb, pbuf* pb, int8_t err);
static int8_t _s_poll(void *arg, struct tcp_pcb *tpcb);
static int8_t _s_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *pb, int8_t err);
static int8_t _s_fin(void *arg, struct tcp_pcb *tpcb, int8_t err);
static int8_t _s_lwip_fin(void *arg, struct tcp_pcb *tpcb, int8_t err);
static void _s_error(void *arg, int8_t err);
static int8_t _s_sent(void *arg, struct tcp_pcb *tpcb, uint16_t len);
static int8_t _s_connected(void* arg, void* tpcb, int8_t err);
static void _s_dns_found(const char *name, struct ip_addr *ipaddr, void *arg);
};
class AsyncServer {
protected:
uint16_t _port;
IPAddress _addr;
bool _noDelay;
tcp_pcb* _pcb;
AcConnectHandler _connect_cb;
void* _connect_cb_arg;
public:
AsyncServer(IPAddress addr, uint16_t port);
AsyncServer(uint16_t port);
~AsyncServer();
@@ -195,9 +194,18 @@ class AsyncServer {
bool getNoDelay();
uint8_t status();
//Do not use any of the functions below!
static int8_t _s_accept(void *arg, tcp_pcb* newpcb, int8_t err);
static int8_t _s_accepted(void *arg, AsyncClient* client);
protected:
uint16_t _port;
IPAddress _addr;
bool _noDelay;
tcp_pcb* _pcb;
AcConnectHandler _connect_cb;
void* _connect_cb_arg;
int8_t _accept(tcp_pcb* newpcb, int8_t err);
int8_t _accepted(AsyncClient* client);
};