author | mjm <mjm> | 2003-02-09 15:48:34 (UTC) |
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committer | mjm <mjm> | 2003-02-09 15:48:34 (UTC) |
commit | cc96fbb10eaeef5796f62ac26635b1b6ff42145b (patch) (side-by-side diff) | |
tree | 75b51de32c68edc3e4f0c8cc0e81f0952b91027f /noncore/net/wellenreiter/daemon/source/daemon.cc | |
parent | cade16aa686978486acab98bc98602ede356ac09 (diff) | |
download | opie-cc96fbb10eaeef5796f62ac26635b1b6ff42145b.zip opie-cc96fbb10eaeef5796f62ac26635b1b6ff42145b.tar.gz opie-cc96fbb10eaeef5796f62ac26635b1b6ff42145b.tar.bz2 |
implemented new timer function, threaded
added wl_cardtype_t
Diffstat (limited to 'noncore/net/wellenreiter/daemon/source/daemon.cc') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/daemon.cc | 107 |
1 files changed, 66 insertions, 41 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc index b57e6a0..4407436 100644 --- a/noncore/net/wellenreiter/daemon/source/daemon.cc +++ b/noncore/net/wellenreiter/daemon/source/daemon.cc @@ -9,23 +9,5 @@ -// temporary solution, will be removed soon +/* should be parsed from cfg-file */ #define MAXCHANNEL 13 -int card_type; -char sniffer_device[6]; -int channel=0; -int timedout=1; - -void chanswitch(int blah) -{ - if(channel >= MAXCHANNEL) - { - channel=1; - } - else - { - channel++; - } - card_set_channel(sniffer_device, channel, card_type); - timedout=0; - alarm(1); -} +#define CHANINTERVAL 100000 @@ -39,2 +21,4 @@ int main(int argc, char **argv) pcap_t *handletopcap; + wl_cardtype_t cardtype; + pthread_t sub; const unsigned char *packet; @@ -49,18 +33,15 @@ int main(int argc, char **argv) - // removed soon, see above - signal(SIGALRM, chanswitch); - alarm(1); /* Set sniffer device */ - memset(sniffer_device, 0, sizeof(sniffer_device)); - strncpy(sniffer_device, (char *)argv[1], sizeof(sniffer_device) - 1); + memset(cardtype.iface, 0, sizeof(cardtype.iface)); + strncpy(cardtype.iface, (char *)argv[1], sizeof(cardtype.iface) - 1); /* Set card type */ - card_type = atoi(argv[2]); - if(card_type < 1 || card_type > 4) + cardtype.type = atoi(argv[2]); + if(cardtype.type < 1 || cardtype.type > 4) usage(); - if(!card_into_monitormode(&handletopcap, sniffer_device, card_type)) + if(!card_into_monitormode(&handletopcap, cardtype.iface, cardtype.type)) { wl_logerr("Cannot initialize the wireless-card, aborting"); - exit(-1); + exit(EXIT_FAILURE); } @@ -68,7 +49,8 @@ int main(int argc, char **argv) + /////// following line will be moved to lib as soon as possible //////////// - if((handletopcap = pcap_open_live(sniffer_device, BUFSIZ, 1, 0, NULL)) == NULL) + if((handletopcap = pcap_open_live(cardtype.iface, BUFSIZ, 1, 0, NULL)) == NULL) { wl_logerr("pcap_open_live() failed: %s", strerror(errno)); - exit(-1); + exit(EXIT_FAILURE); } @@ -78,5 +60,5 @@ int main(int argc, char **argv) #endif - //////////////////////////////////////// + /* Setup socket for incoming commands */ @@ -85,3 +67,3 @@ int main(int argc, char **argv) wl_logerr("Cannot setup socket"); - exit(-1); + exit(EXIT_FAILURE); } @@ -89,2 +71,18 @@ int main(int argc, char **argv) + /* Create channelswitching thread */ + if(pthread_create(&sub, NULL, channel_switcher, (void *)&cardtype) != 0) + { + wl_logerr("Cannot create thread: %s", strerror(errno)); + close(sock); + exit(EXIT_FAILURE); + } + if(pthread_detach(sub)) + { + wl_logerr("Error detaching thread"); + close(sock); + pthread_exit((pthread_t *)sub); + exit(EXIT_FAILURE); + } + wl_loginfo("Created and detached channel switching thread"); + FD_ZERO(&rset); @@ -99,9 +97,6 @@ int main(int argc, char **argv) - // blah - timedout=1; - /* socket or pcap handle bigger? Will be cleaned up, have to check pcap */ - maxfd = (sock > pcap_fileno(handletopcap) ? sock : pcap_fileno(handletopcap)) + 1; + maxfd = (sock > pcap_fileno(handletopcap) ? sock + 1: pcap_fileno(handletopcap)) + 1; - if(select(maxfd, &rset, NULL, NULL, NULL) < 0 && timedout) + if(select(maxfd, &rset, NULL, NULL, NULL) < 0) { @@ -115,3 +110,3 @@ int main(int argc, char **argv) /* Receive data from socket */ - if((retval=wl_recv(&sock, saddr, buffer, sizeof(buffer))) < 0 && timedout) + if((retval=wl_recv(&sock, saddr, buffer, sizeof(buffer))) < 0) { @@ -152,3 +147,3 @@ int main(int argc, char **argv) close(sock); - exit(0); + exit(EXIT_SUCCESS); } @@ -163,3 +158,33 @@ void usage(void) "\t\t\t\tLUCENT\t= 4\n"); - exit(-1); + exit(EXIT_FAILURE); +} + +void * +channel_switcher(void *cardtypeptr) +{ + wl_cardtype_t *cardtype; + int channel=1; + + /* Get card info struct */ + cardtype = (wl_cardtype_t *)cardtypeptr; + + while(1) + { + + /* If channel bigger than maxchannel, set to 1 */ + if(channel > MAXCHANNEL) + channel=1; + + /* Set channel */ + if(!card_set_channel(cardtype->iface, channel, cardtype->type)) + { + wl_logerr("Cannot set channel, thread exiting"); + pthread_exit(NULL); + } + + /* sleep */ + usleep(CHANINTERVAL); + + channel++; + } /* while */ } |