LMD LinkC_lEth(PollMgr pm, char* ifname) {
int mtu;
struct sockaddr_ll addr = {0};
addr.sll_family = AF_INET;
addr.sll_protocol = htobe16(LinkC_eth_proto);
if (!LinkC_getIfInfo(ifname, &(addr.sll_ifindex), &mtu)) return NULL;
int bpf = CapsH_createBPF(ifname);
if (bpf == -1) return NULL;
NBS nbs = NBS_ctor(bpf, bpf, SockType_BPF);
NBS_pollAttach(nbs, pm);
/* get size of BPF buffer */
if( ioctl( bpf, BIOCGBLEN, &nbs->bpf_len ) == -1 ) {
perror("error getting size of bpf device\n");
return NULL;
}
SockAddr lAddr = SockAddr_create(&addr, sizeof(struct sockaddr_ll));
((struct sockaddr_ll*)(SockAddr_addr(lAddr)))->sll_family = AF_PACKET;
LMD lmd = LMD_ctor(nbs, lAddr, mtu);
return lmd;
}
LMD LinkC_lUdp(PollMgr pm) {
struct sockaddr_in6 addr = {0};
addr.sin6_family = AF_INET6;
addr.sin6_port = htobe16(LinkC_udp_port);
int sock = socket(AF_INET6, SOCK_DGRAM, 0);
if (sock == -1) return NULL;
int flags = fcntl(sock, F_GETFL, 0);
fcntl(sock, F_SETFL, flags | O_NONBLOCK);
int res = bind(sock, (struct sockaddr*)(&addr), sizeof(struct sockaddr_in6));
if (res != 0) {
close(sock);
return NULL;
}
NBS nbs = NBS_ctor(sock, sock, SockType_Dgram);
NBS_pollAttach(nbs, pm);
LMD lmd = LMD_ctor(nbs, NULL, LinkC_udp_mtu);
return lmd;
}
LMD LinkC_lEth(PollMgr pm, char* ifname) {
int mtu;
struct sockaddr_ll addr = {0};
addr.sll_family = AF_PACKET;
addr.sll_protocol = htobe16(LinkC_eth_proto);
if (!LinkC_getIfInfo(ifname, &(addr.sll_ifindex), &mtu)) return NULL;
int sock = CapsH_createPacketSock(SOCK_DGRAM | SOCK_NONBLOCK, LinkC_eth_proto);
if (sock == -1) return NULL;
int res = bind(sock, (struct sockaddr*)(&addr), sizeof(struct sockaddr_ll));
if (res != 0) {
close(sock);
return NULL;
}
NBS nbs = NBS_ctor(sock, sock, SockType_Dgram);
NBS_pollAttach(nbs, pm);
SockAddr lAddr = SockAddr_create(&addr, sizeof(struct sockaddr_ll));
LMD lmd = LMD_ctor(nbs, lAddr, mtu);
return lmd;
}
enum ccn_upcall_res CcnLAC_fetchFaceidCb(struct ccn_closure* selfp, enum ccn_upcall_kind kind, struct ccn_upcall_info* info) {
CcnLAC self = (CcnLAC)selfp->data;
switch (kind) {
case CCN_UPCALL_FINAL: {
free(selfp);
return CCN_UPCALL_RESULT_OK;
}
case CCN_UPCALL_INTEREST_TIMED_OUT: {
return CCN_UPCALL_RESULT_REEXPRESS;
}
case CCN_UPCALL_CONTENT_UNVERIFIED:
case CCN_UPCALL_CONTENT_KEYMISSING:
case CCN_UPCALL_CONTENT_RAW:
case CCN_UPCALL_CONTENT: {
struct ccn_forwarding_entry* fe = NULL;
const unsigned char* fe_ccnb = NULL;
size_t fe_ccnb_size = 0;
int res = ccn_content_get_value(info->content_ccnb, info->pco->offset[CCN_PCO_E], info->pco, &fe_ccnb, &fe_ccnb_size);
if (res == 0) fe = ccn_forwarding_entry_parse(fe_ccnb, fe_ccnb_size);
if (fe != NULL) {
self->faceid = fe->faceid;
ccn_forwarding_entry_destroy(&fe);
} else {
self->error = true;
}
PollMgr_detach(self->pm, ccn_get_connection_fd(self->ccnh), &CcnLAC_initPollCb, self);
void* emptyPDU = malloc(CCN_EMPTY_PDU_LENGTH);
memcpy(emptyPDU, CCN_EMPTY_PDU, CCN_EMPTY_PDU_LENGTH);
NBS_write(self->nbs, emptyPDU, 0, CCN_EMPTY_PDU_LENGTH, NULL);
NBS_pollAttach(self->nbs, self->pm);
return CCN_UPCALL_RESULT_OK;
}
default: {
return CCN_UPCALL_RESULT_ERR;
}
}
}
int main(int argc, char* argv[]) {
CapsH_drop();
if (argc < 3) {
usage(argv[0]);
return 9;
}
int count;
PollMgr pm = PollMgr_ctor(50);
CcnCC cc = CcnCC_ctor();
CcnCC_pollAttach(cc, pm);
CcnLAC lac = CcnLAC_ctor();
CcnLAC_initialize(lac, CcnCC_ccndid(cc), pm);
count = 20;
while (--count > 0 && !CcnLAC_ready(lac)) {
PollMgr_poll(pm);
}
if (CcnCC_error(cc) || CcnLAC_error(lac) || !CcnLAC_ready(lac)) return 1;
struct ccn_charbuf* prefix = ccn_charbuf_create();
ccn_name_from_uri(prefix, argv[1]);
CcnH_regPrefix(CcnPrefixOp_register, CcnCC_ccnh(cc), CcnCC_ccndid(cc), CcnLAC_faceid(lac), prefix);
ccn_charbuf_destroy(&prefix);
Link link;
if (argc == 3 && strcmp(argv[2], "server") == 0) {
if (D) printf("Server\n");
// sdp_session_t* session = register_service();
// sleep(10);
// sdp_close(session);
socklen_t opt = sizeof(struct sockaddr_rc);
int sock = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
struct sockaddr_rc loc_addr = { 0 }, rem_addr = { 0 };
loc_addr.rc_family = AF_BLUETOOTH;
loc_addr.rc_channel = (uint8_t) RFCOMM_CHANNEL;
loc_addr.rc_bdaddr = *BDADDR_ANY;
int res = bind(sock, (struct sockaddr*)&loc_addr, sizeof(struct sockaddr_rc));
if (res != 0) {
close(sock);
printf("Bind error\n");
return 2;
}
if (D) printf("Bind done\n");
listen(sock, 1);
if (D) printf("Listening...\n");
int new_sock = accept(sock, (struct sockaddr*)&rem_addr, &opt);
if (D) printf("Accepted socket fd: %d\n", new_sock);
char buf[18] = { 0 };
ba2str( &rem_addr.rc_bdaddr, buf );
printf("Remote address: %s\n", buf);
int sock_flags = fcntl(new_sock, F_GETFL, 0);
fcntl(new_sock, F_SETFL, sock_flags | O_NONBLOCK);
NBS nbs = NBS_ctor(new_sock, new_sock, SockType_Stream);
NBS_pollAttach(nbs, pm);
link = Link_ctorStream(nbs);
if (!link) {
printf("Link error\n");
return 3;
}
} else if (argc == 4 && strcmp(argv[2], "client") == 0) {
if (D) printf("Client\n");
int sock = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
struct sockaddr_rc rem_addr = { 0 };
str2ba( argv[3], &rem_addr.rc_bdaddr );
rem_addr.rc_family = AF_BLUETOOTH;
// rem_addr.rc_channel = discover_sdp( argv[3] );
rem_addr.rc_channel = 13;
int res = connect(sock, (struct sockaddr *) &rem_addr, sizeof(struct sockaddr_rc));
if (res != 0) {
printf("Connect error\n");
close(sock);
return 4;
}
printf("Connected\n");
int flags = fcntl(sock, F_GETFL, 0);
fcntl(sock, F_SETFL, flags | O_NONBLOCK);
NBS nbs = NBS_ctor(sock, sock, SockType_Stream);
NBS_pollAttach(nbs, pm);
link = Link_ctorStream(nbs);
if (!link) {
printf("Link error\n");
return 3;
}
}
NdnlpSvc svc = NdnlpSvc_ctor(lac, link, 0, CMPConn_SentPktsCapacity_default, CMPConn_RetryCount_default, CMPConn_RetransmitTime_default, CMPConn_AcknowledgeTime_default);
while(true) {
PollMgr_poll(pm);
NdnlpSvc_run(svc);
}
Link_dtor(link);
CcnCC_pollDetach(cc, pm);
CcnCC_dtor(cc);
PollMgr_dtor(pm);
return 0;
}