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disable tcp_bind for WiFiClient (tcp_connect gets automatic a free src port)

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This commit is contained in:
Markus Sattler 2015-04-02 19:11:06 +02:00
parent 53dbeeb0aa
commit d87bc938f9
1 changed files with 10 additions and 2 deletions
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12
libraries/ESP8266WiFi/src/WiFiClient.cpp
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@ -40,10 +40,15 @@ extern "C"
#include "include/ClientContext.h"
#include "c_types.h"
#define NO_PORT_BIND
#ifndef NO_PORT_BIND
#define MIN_LOCAL_PORT 1024
#define MAX_LOCAL_PORT 1124
static int g_localPort = MIN_LOCAL_PORT;
#endif
ICACHE_FLASH_ATTR WiFiClient::WiFiClient()
: _client(0)
@ -97,7 +102,7 @@ int ICACHE_FLASH_ATTR WiFiClient::connect(IPAddress ip, uint16_t port)
tcp_pcb* pcb = tcp_new();
if (!pcb)
return 0;
#ifndef NO_PORT_BIND
while(true)
{
err_t err = tcp_bind(pcb, INADDR_ANY, g_localPort);
@ -105,11 +110,14 @@ int ICACHE_FLASH_ATTR WiFiClient::connect(IPAddress ip, uint16_t port)
g_localPort = MIN_LOCAL_PORT;
if (err == ERR_OK)
break;
if (err == ERR_USE)
if (err == ERR_USE) {
esp_yield();
continue;
}
tcp_abort(pcb);
return 0;
}
#endif
ip_addr_t addr;
addr.addr = ip;
tcp_arg(pcb, this);