nes-proj/doc/example-psock-client.c

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#include <stdio.h>
#include "contiki-net.h"
static struct psock ps;
static uint8_t buffer[100];
PROCESS(example_psock_client_process, "Example protosocket client");
AUTOSTART_PROCESSES(&example_psock_client_process);
/*---------------------------------------------------------------------------*/
static int
handle_connection(struct psock *p)
{
PSOCK_BEGIN(p);
PSOCK_SEND_STR(p, "GET / HTTP/1.0\r\n");
PSOCK_SEND_STR(p, "Server: Contiki example protosocket client\r\n");
PSOCK_SEND_STR(p, "\r\n");
while(1) {
PSOCK_READTO(p, '\n');
printf("Got: %s", buffer);
}
PSOCK_END(p);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(example_psock_client_process, ev, data)
{
uip_ipaddr_t addr;
PROCESS_BEGIN();
uip_ipaddr(&addr, 192,168,2,1);
tcp_connect(&addr, UIP_HTONS(80), NULL);
printf("Connecting...\n");
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
if(uip_aborted() || uip_timedout() || uip_closed()) {
printf("Could not establish connection\n");
} else if(uip_connected()) {
printf("Connected\n");
PSOCK_INIT(&ps, buffer, sizeof(buffer));
do {
handle_connection(&ps);
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
} while(!(uip_closed() || uip_aborted() || uip_timedout()));
printf("\nConnection closed.\n");
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/