169 lines
3.7 KiB
C
169 lines
3.7 KiB
C
#include "contiki.h"
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#include "contiki-lib.h"
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#include "contiki-net.h"
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#include <string.h>
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struct cmdd_state {
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struct psock s;
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char inputbuf[8];
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struct timer timer;
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int i;
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char command;
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};
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#define COMMAND_NONE 0
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#define COMMAND_PS 1
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MEMB(conns, struct cmdd_state, 1);
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PROCESS(cmdd_process, "Command server");
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static struct uip_udp_conn *udpconn;
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static char send_udp = 0;
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static const char *prompt = "contiki> ";
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/*---------------------------------------------------------------------------*/
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static char * CC_FASTCALL
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n(u16_t num, char *ptr)
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{
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u16_t d;
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u8_t a, f;
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if(num == 0) {
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*ptr = '0';
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return ptr + 1;
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} else {
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f = 0;
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for(d = 10000; d >= 1; d /= 10) {
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a = (num / d) % 10;
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if(f == 1 || a > 0) {
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*ptr = a + '0';
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++ptr;
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f = 1;
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}
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}
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}
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return ptr;
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}
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/*---------------------------------------------------------------------------*/
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/*static unsigned short
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ps_generate(void *state)
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{
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struct ek_proc *p = (struct ek_proc *)state;
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char *ptr = (char *)uip_appdata;
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ptr = n(EK_PROC_ID(p), ptr);
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*ptr++ = ' ';
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strncpy(ptr, p->name, 40);
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ptr += strlen(p->name);
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*ptr++ = '\n';
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return ptr - (char *)uip_appdata;
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}*/
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/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(handle_connection(struct cmdd_state *s))
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{
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PSOCK_BEGIN(&s->s);
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while(1) {
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PSOCK_SEND(&s->s, prompt, strlen(prompt));
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PSOCK_WAIT_UNTIL(&s->s, PSOCK_NEWDATA(&s->s) ||
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s->command != COMMAND_NONE);
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if(PSOCK_NEWDATA(&s->s)) {
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PSOCK_READTO(&s->s, '\n');
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if(strncmp(s->inputbuf, "quit", 4) == 0) {
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PSOCK_CLOSE_EXIT(&s->s);
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memb_free(&conns, s);
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tcp_markconn(uip_conn, NULL);
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/* } else if(strncmp(s->inputbuf, "ps", 2) == 0) {
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PSOCK_GENERATOR_SEND(&s->s, ps_generate, ek_procs);
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for(s->i = 0; s->i < 40; s->i++) {
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if(ek_process(s->i) != NULL) {
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PSOCK_GENERATOR_SEND(&s->s, ps_generate, ek_process(s->i));
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}
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}*/
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} else if(strncmp(s->inputbuf, "send", 4) == 0) {
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send_udp = 1;
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PSOCK_WAIT_UNTIL(&s->s, send_udp == 0);
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} else {
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PSOCK_SEND(&s->s, "?\n", 2);
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}
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} else {
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switch(s->command) {
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}
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}
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}
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PSOCK_END(&s->s);
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}
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/*---------------------------------------------------------------------------*/
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static void
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appcall(void *state)
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{
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struct cmdd_state *s = (struct cmdd_state *)state;
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if(uip_udpconnection()) {
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if(send_udp) {
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uip_udp_send(8);
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send_udp = 0;
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}
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} else {
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if(uip_closed() || uip_timedout() || uip_aborted()) {
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if(state != NULL) {
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memb_free(&conns, state);
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}
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} else if(uip_connected()) {
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s = (struct cmdd_state *)memb_alloc(&conns);
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if(s == NULL) {
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uip_abort();
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} else {
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tcp_markconn(uip_conn, s);
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PSOCK_INIT(&s->s, s->inputbuf, sizeof(s->inputbuf) - 1);
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timer_set(&s->timer, CLOCK_SECOND * 60);
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handle_connection(s);
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}
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} else if(s != NULL) {
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if(uip_poll()) {
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if(timer_expired(&s->timer)) {
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memb_free(&conns, state);
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uip_abort();
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return;
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}
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}
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timer_reset(&s->timer);
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handle_connection(s);
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} else {
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uip_abort();
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(cmdd_process, ev, data)
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{
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u16_t ipaddr[2];
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PROCESS_BEGIN();
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tcp_listen(HTONS(6581));
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memb_init(&conns);
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uip_ipaddr(ipaddr, 255,255,255,255);
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udpconn = udp_new(ipaddr, HTONS(6712), NULL);
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while(1) {
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PROCESS_WAIT_EVENT();
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if(ev == tcpip_event) {
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appcall(data);
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} else if(ev == PROCESS_EVENT_EXIT) {
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process_exit(&cmdd_process);
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LOADER_UNLOAD();
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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