Replaced SELECT_CALLBACK with an API that supports multiple select callbacks
This commit is contained in:
Niclas Finne
parent
c67954c773
commit
aceb36c66b
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@ -50,7 +50,7 @@
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#undef NETSTACK_CONF_RDC
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#define NETSTACK_CONF_RDC border_router_rdc_driver
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#define SELECT_CALLBACK (&tun_select_callback)
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extern struct select_callback tun_select_callback;
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/* used by wpcap (see /cpu/native/net/wpcap-drv.c) */
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#define SELECT_CALLBACK 1
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#endif /* __PROJECT_ROUTER_CONF_H__ */
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@ -368,6 +368,31 @@ stty_telos(int fd)
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if(tcflush(fd, TCIOFLUSH) == -1) err(1, "tcflush");
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}
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/*---------------------------------------------------------------------------*/
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static int
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set_fd(fd_set *rset, fd_set *wset)
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{
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if(!slip_empty()) { /* Anything to flush? */
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FD_SET(slipfd, wset);
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}
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FD_SET(slipfd, rset); /* Read from slip ASAP! */
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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static void
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handle_fd(fd_set *rset, fd_set *wset)
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{
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if(FD_ISSET(slipfd, rset)) {
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serial_input(inslip);
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}
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if(FD_ISSET(slipfd, wset)) {
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slip_flushbuf(slipfd);
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}
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}
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/*---------------------------------------------------------------------------*/
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static const struct select_callback slip_callback = { set_fd, handle_fd };
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/*---------------------------------------------------------------------------*/
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void
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slip_init(void)
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{
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@ -395,6 +420,8 @@ slip_init(void)
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}
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}
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select_set_callback(slipfd, &slip_callback);
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fprintf(stderr, "********SLIP started on ``/dev/%s''\n", slip_config_siodev);
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stty_telos(slipfd);
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@ -402,28 +429,3 @@ slip_init(void)
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inslip = fdopen(slipfd, "r");
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if(inslip == NULL) err(1, "main: fdopen");
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}
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/*---------------------------------------------------------------------------*/
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int
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slip_set_fd(int maxfd, fd_set *rset, fd_set *wset)
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{
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if(!slip_empty()) { /* Anything to flush? */
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FD_SET(slipfd, wset);
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}
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FD_SET(slipfd, rset); /* Read from slip ASAP! */
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if(slipfd > maxfd) maxfd = slipfd;
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return maxfd;
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}
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/*---------------------------------------------------------------------------*/
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void
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slip_handle_fd(fd_set *rset, fd_set *wset)
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{
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if(FD_ISSET(slipfd, rset)) {
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serial_input(inslip);
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}
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if(FD_ISSET(slipfd, wset)) {
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slip_flushbuf(slipfd);
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}
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}
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@ -51,7 +51,7 @@
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#include <sys/socket.h>
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#define DEBUG DEBUG_PRINT
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#define DEBUG DEBUG_NONE
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#include "net/uip-debug.h"
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#ifdef linux
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@ -65,14 +65,20 @@
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#include "cmd.h"
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#include "border-router.h"
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extern int slip_config_verbose;
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extern const char *slip_config_ipaddr;
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extern int slip_config_flowcontrol;
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extern char slip_config_tundev[32];
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extern uint16_t slip_config_basedelay;
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#ifndef __CYGWIN__
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static int tunfd;
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static int initialized = 0;
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static int set_fd(fd_set *rset, fd_set *wset);
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static void handle_fd(fd_set *rset, fd_set *wset);
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static const struct select_callback tun_select_callback = {
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set_fd,
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handle_fd
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};
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#endif /* __CYGWIN__ */
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int ssystem(const char *fmt, ...)
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__attribute__((__format__ (__printf__, 1, 2)));
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@ -181,8 +187,6 @@ tun_init()
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setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */
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slip_init();
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initialized = 1;
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}
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#else
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@ -200,6 +204,9 @@ tun_init()
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tunfd = tun_alloc(slip_config_tundev);
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if(tunfd == -1) err(1, "main: open");
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select_set_callback(tunfd, &tun_select_callback);
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fprintf(stderr, "opened %s device ``/dev/%s''\n",
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"tun", slip_config_tundev);
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@ -208,8 +215,6 @@ tun_init()
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signal(SIGTERM, sigcleanup);
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signal(SIGINT, sigcleanup);
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ifconf(slip_config_tundev, slip_config_ipaddr);
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initialized = 1;
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}
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/*---------------------------------------------------------------------------*/
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@ -251,22 +256,14 @@ const struct uip_fallback_interface rpl_interface = {
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init, output
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};
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#endif /* __CYGWIN_ */
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/*---------------------------------------------------------------------------*/
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/* tun and slip select callback */
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/*---------------------------------------------------------------------------*/
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static int
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set_fd(int maxfd, fd_set *rset, fd_set *wset)
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set_fd(fd_set *rset, fd_set *wset)
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{
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if(!initialized) return maxfd;
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maxfd = slip_set_fd(maxfd, rset, wset);
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FD_SET(tunfd, rset);
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if(tunfd > maxfd) maxfd = tunfd;
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return maxfd;
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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@ -274,14 +271,6 @@ set_fd(int maxfd, fd_set *rset, fd_set *wset)
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static void
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handle_fd(fd_set *rset, fd_set *wset)
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{
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if(!initialized) return;
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slip_handle_fd(rset, wset);
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#ifdef __CYGWIN__
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/* Packets from host interface are handled by wpcap process */
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#else
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/* Optional delay between outgoing packets */
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/* Base delay times number of 6lowpan fragments to be sent */
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/* delaymsec = 10; */
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@ -312,12 +301,7 @@ handle_fd(fd_set *rset, fd_set *wset)
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}
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}
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}
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#endif /* __CYGWIN__ */
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}
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#endif /* __CYGWIN_ */
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/*---------------------------------------------------------------------------*/
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struct select_callback tun_select_callback = {
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set_fd,
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handle_fd
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};
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@ -38,10 +38,12 @@
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#ifndef WIN32_LEAN_AND_MEAN
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#include <sys/select.h>
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#endif
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struct select_callback {
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int (* set_fd)(int maxfd, fd_set *fdr, fd_set *fdw);
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int (* set_fd)(fd_set *fdr, fd_set *fdw);
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void (* handle_fd)(fd_set *fdr, fd_set *fdw);
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};
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int select_set_callback(int fd, const struct select_callback *callback);
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#define CC_CONF_REGISTER_ARGS 1
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#define CC_CONF_FUNCTION_POINTER_ARGS 1
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@ -177,5 +179,4 @@ int strcasecmp(const char*, const char*);
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#include PROJECT_CONF_H
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#endif /* PROJECT_CONF_H */
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#endif /* __CONTIKI_CONF_H__ */
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@ -29,8 +29,6 @@
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*
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* This file is part of the Contiki OS
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*
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* $Id: contiki-main.c,v 1.14 2011/01/21 14:19:57 nvt-se Exp $
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*
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*/
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#include <stdio.h>
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@ -59,14 +57,72 @@
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#include "net/rime.h"
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#ifdef SELECT_CONF_MAX
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#define SELECT_MAX SELECT_CONF_MAX
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#else
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#define SELECT_MAX 8
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#endif
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PROCINIT(&etimer_process, &tcpip_process);
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static const struct select_callback *select_callback[SELECT_MAX];
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static int select_max = 0;
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SENSORS(&pir_sensor, &vib_sensor, &button_sensor);
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static uint8_t serial_id[] = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08};
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static uint16_t node_id = 0x0102;
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/*---------------------------------------------------------------------------*/
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int
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select_set_callback(int fd, const struct select_callback *callback)
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{
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int i;
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if(fd >= 0 && fd < SELECT_MAX) {
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/* Check that the callback functions are set */
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if(callback != NULL &&
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(callback->set_fd == NULL || callback->handle_fd == NULL)) {
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callback = NULL;
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}
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select_callback[fd] = callback;
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/* Update fd max */
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if(callback != NULL) {
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if(fd > select_max) {
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select_max = fd;
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}
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} else {
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select_max = 0;
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for(i = SELECT_MAX - 1; i > 0; i--) {
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if(select_callback[i] != NULL) {
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select_max = i;
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break;
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}
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}
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}
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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stdin_set_fd(fd_set *rset, fd_set *wset)
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{
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FD_SET(STDIN_FILENO, rset);
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return 1;
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}
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static void
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stdin_handle_fd(fd_set *rset, fd_set *wset)
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{
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char c;
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if(FD_ISSET(STDIN_FILENO, rset)) {
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if(read(STDIN_FILENO, &c, 1) > 0) {
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serial_line_input_byte(c);
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}
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}
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}
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const static struct select_callback stdin_fd = {
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stdin_set_fd, stdin_handle_fd
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};
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/*---------------------------------------------------------------------------*/
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static void
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set_rime_addr(void)
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{
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@ -104,12 +160,12 @@ main(int argc, char **argv)
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{
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#if UIP_CONF_IPV6
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#if UIP_CONF_IPV6_RPL
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printf("Starting Contiki IPV6, RPL\n");
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printf(CONTIKI_VERSION_STRING " started with IPV6, RPL\n");
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#else
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printf("Starting Contiki IPV6\n");
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printf(CONTIKI_VERSION_STRING " started with IPV6\n");
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#endif
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#else
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printf("Starting Contiki IPV4\n");
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printf(CONTIKI_VERSION_STRING " started\n");
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#endif
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/* crappy way of remembering and accessing argc/v */
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@ -117,10 +173,16 @@ main(int argc, char **argv)
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contiki_argv = argv;
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process_init();
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process_start(&etimer_process, NULL);
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ctimer_init();
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set_rime_addr();
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queuebuf_init();
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netstack_init();
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printf("MAC %s RDC %s NETWORK %s\n", NETSTACK_MAC.name, NETSTACK_RDC.name, NETSTACK_NETWORK.name);
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#if WITH_UIP6
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memcpy(&uip_lladdr.addr, serial_id, sizeof(uip_lladdr.addr));
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@ -142,15 +204,10 @@ main(int argc, char **argv)
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printf("%02x%02x\n", lladdr->ipaddr.u8[14], lladdr->ipaddr.u8[15]);
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}
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#else
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process_start(&tcpip_process, NULL);
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#endif
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queuebuf_init();
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netstack_init();
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procinit_init();
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serial_line_init();
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autostart_start(autostart_processes);
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@ -158,39 +215,39 @@ main(int argc, char **argv)
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/* Make standard output unbuffered. */
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setvbuf(stdout, (char *)NULL, _IONBF, 0);
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select_set_callback(STDIN_FILENO, &stdin_fd);
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while(1) {
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fd_set fdr;
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fd_set fdw;
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int maxfd;
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int i;
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int retval;
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struct timeval tv;
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process_run();
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retval = process_run();
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tv.tv_sec = 0;
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tv.tv_usec = 1000;
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tv.tv_usec = retval ? 1 : 1000;
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FD_ZERO(&fdr);
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FD_ZERO(&fdw);
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FD_SET(STDIN_FILENO, &fdr);
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maxfd = STDIN_FILENO;
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maxfd = 0;
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for(i = 0; i <= select_max; i++) {
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if(select_callback[i] != NULL && select_callback[i]->set_fd(&fdr, &fdw)) {
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maxfd = i;
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}
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}
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#ifdef SELECT_CALLBACK
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maxfd = SELECT_CALLBACK->set_fd(maxfd, &fdr, &fdw);
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#endif
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if((retval = select(maxfd + 1, &fdr, &fdw, NULL, &tv)) < 0) {
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retval = select(maxfd + 1, &fdr, &fdw, NULL, &tv);
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if(retval < 0) {
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perror("select");
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} else if(retval > 0) {
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/* timeout => retval == 0 */
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if(FD_ISSET(STDIN_FILENO, &fdr)) {
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char c;
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if(read(STDIN_FILENO, &c, 1) > 0) {
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serial_line_input_byte(c);
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}
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for(i = 0; i <= maxfd; i++) {
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if(select_callback[i] != NULL) {
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select_callback[i]->handle_fd(&fdr, &fdw);
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}
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}
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#ifdef SELECT_CALLBACK
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SELECT_CALLBACK->handle_fd(&fdr, &fdw);
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#endif
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}
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etimer_request_poll();
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