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vtuner-network.c
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#include "vtuner-network.h"
#include <string.h>
#include <stdio.h>
#define NTOHB(host,net,field) host->field=net.field
#define NTOHS(host,net,field) host->field=ntohs(net.field)
#define NTOHL(host,net,field) host->field=ntohl(net.field)
#define HTONB(net, host, field) net.field=host->field
#define HTONS(net, host, field) net.field=htons(host->field);
#define HTONL(net, host, field) net.field=htonl(host->field);
#define HTONLc(net,field) net.field=htonl(net.field)
#define HTONSc(net,field) net.field=htons(net.field)
#define NTOHLc(net,field) net.field=ntohl(net.field)
#define NTOHSc(net,field) net.field=ntohs(net.field)
#if HAVE_DVB_API_VERSION < 3
void get_dvb_frontend_parameters( FrontendParameters* hfe, vtuner_message_t* netmsg, vtuner_type_t type) {
memset(hfe, 0, sizeof(hfe));
hfe->Frequency = netmsg->body.fe_params.frequency;
hfe->Inversion = netmsg->body.fe_params.inversion;
switch(type) {
case VT_S :
case VT_S2:
hfe->u.qpsk.SymbolRate = netmsg->body.fe_params.u.qpsk.symbol_rate;
switch(netmsg->body.fe_params.u.qpsk.fec_inner) {
case 0: hfe->u.qpsk.FEC_inner = FEC_NONE; break;
case 1: hfe->u.qpsk.FEC_inner = FEC_1_2; break;
case 2: hfe->u.qpsk.FEC_inner = FEC_2_3; break;
case 3: hfe->u.qpsk.FEC_inner = FEC_3_4; break;
case 5: hfe->u.qpsk.FEC_inner = FEC_5_6; break;
case 7: hfe->u.qpsk.FEC_inner = FEC_7_8; break;
default: hfe->u.qpsk.FEC_inner = FEC_AUTO; break;
}
break;
case VT_C:
hfe->u.qam.SymbolRate = netmsg->body.fe_params.u.qam.symbol_rate;
switch(netmsg->body.fe_params.u.qam.fec_inner) {
case 0: hfe->u.qam.FEC_inner = FEC_NONE; break;
case 1: hfe->u.qam.FEC_inner = FEC_1_2; break;
case 2: hfe->u.qam.FEC_inner = FEC_2_3; break;
case 3: hfe->u.qam.FEC_inner = FEC_3_4; break;
case 5: hfe->u.qam.FEC_inner = FEC_5_6; break;
case 7: hfe->u.qam.FEC_inner = FEC_7_8; break;
default: hfe->u.qam.FEC_inner = FEC_AUTO; break;
}
hfe->u.qam.QAM = netmsg->body.fe_params.u.qam.modulation;
break;
case VT_T:
hfe->u.ofdm.bandWidth = netmsg->body.fe_params.u.ofdm.bandwidth;
hfe->u.ofdm.HP_CodeRate = netmsg->body.fe_params.u.ofdm.code_rate_HP;
hfe->u.ofdm.LP_CodeRate = netmsg->body.fe_params.u.ofdm.code_rate_LP;
hfe->u.ofdm.Constellation = netmsg->body.fe_params.u.ofdm.constellation;
hfe->u.ofdm.TransmissionMode = netmsg->body.fe_params.u.ofdm.transmission_mode;
hfe->u.ofdm.guardInterval = netmsg->body.fe_params.u.ofdm.guard_interval;
hfe->u.ofdm.HierarchyInformation = netmsg->body.fe_params.u.ofdm.hierarchy_information;
break;
}
}
void set_dvb_frontend_parameters( vtuner_message_t* netmsg, FrontendParameters* hfe, vtuner_type_t type) {
netmsg->body.fe_params.frequency = hfe->Frequency;
netmsg->body.fe_params.inversion = hfe->Inversion;
switch(type) {
case VT_S :
case VT_S2:
netmsg->body.fe_params.u.qpsk.symbol_rate = hfe->u.qpsk.SymbolRate;
switch(hfe->u.qpsk.FEC_inner) {
case FEC_NONE: netmsg->body.fe_params.u.qpsk.fec_inner = 0; break;
case FEC_1_2: netmsg->body.fe_params.u.qpsk.fec_inner = 1; break;
case FEC_2_3: netmsg->body.fe_params.u.qpsk.fec_inner = 2; break;
case FEC_3_4: netmsg->body.fe_params.u.qpsk.fec_inner = 3; break;
case FEC_5_6: netmsg->body.fe_params.u.qpsk.fec_inner = 5; break;
case FEC_7_8: netmsg->body.fe_params.u.qpsk.fec_inner = 7; break;
default: netmsg->body.fe_params.u.qpsk.fec_inner = FEC_AUTO; break;
}
break;
case VT_C:
netmsg->body.fe_params.u.qam.symbol_rate = hfe->u.qam.SymbolRate;
switch(hfe->u.qam.FEC_inner) {
case FEC_NONE: netmsg->body.fe_params.u.qam.fec_inner = 0; break;
case FEC_1_2: netmsg->body.fe_params.u.qam.fec_inner = 1; break;
case FEC_2_3: netmsg->body.fe_params.u.qam.fec_inner = 2; break;
case FEC_3_4: netmsg->body.fe_params.u.qam.fec_inner = 3; break;
case FEC_5_6: netmsg->body.fe_params.u.qam.fec_inner = 5; break;
case FEC_7_8: netmsg->body.fe_params.u.qam.fec_inner = 7; break;
default: netmsg->body.fe_params.u.qam.fec_inner = FEC_AUTO; break;
}
netmsg->body.fe_params.u.qam.modulation = hfe->u.qam.QAM;
break;
case VT_T:
netmsg->body.fe_params.u.ofdm.bandwidth = hfe->u.ofdm.bandWidth;
netmsg->body.fe_params.u.ofdm.code_rate_HP = hfe->u.ofdm.HP_CodeRate;
netmsg->body.fe_params.u.ofdm.code_rate_LP = hfe->u.ofdm.LP_CodeRate;
netmsg->body.fe_params.u.ofdm.constellation = hfe->u.ofdm.Constellation;
netmsg->body.fe_params.u.ofdm.transmission_mode = hfe->u.ofdm.TransmissionMode;
netmsg->body.fe_params.u.ofdm.guard_interval = hfe->u.ofdm.guardInterval;
netmsg->body.fe_params.u.ofdm.hierarchy_information = hfe->u.ofdm.HierarchyInformation;
break;
}
}
#else
void get_dvb_frontend_parameters(struct dvb_frontend_parameters* hfe, vtuner_message_t* netmsg, vtuner_type_t type) {
memset(hfe, 0, sizeof(hfe));
hfe->frequency = netmsg->body.fe_params.frequency;
hfe->inversion = netmsg->body.fe_params.inversion;
switch (type) {
case VT_S :
case VT_S2:
hfe->u.qpsk.symbol_rate = netmsg->body.fe_params.u.qpsk.symbol_rate;
hfe->u.qpsk.fec_inner = netmsg->body.fe_params.u.qpsk.fec_inner;
break;
case VT_C:
hfe->u.qam.symbol_rate = netmsg->body.fe_params.u.qam.symbol_rate;
hfe->u.qam.fec_inner = netmsg->body.fe_params.u.qam.fec_inner;
hfe->u.qam.modulation = netmsg->body.fe_params.u.qam.modulation;
break;
case VT_T:
hfe->u.ofdm.bandwidth = netmsg->body.fe_params.u.ofdm.bandwidth;
hfe->u.ofdm.code_rate_HP = netmsg->body.fe_params.u.ofdm.code_rate_HP;
hfe->u.ofdm.code_rate_LP = netmsg->body.fe_params.u.ofdm.code_rate_LP;
hfe->u.ofdm.constellation = netmsg->body.fe_params.u.ofdm.constellation;
hfe->u.ofdm.transmission_mode = netmsg->body.fe_params.u.ofdm.transmission_mode;
hfe->u.ofdm.guard_interval = netmsg->body.fe_params.u.ofdm.guard_interval;
hfe->u.ofdm.hierarchy_information = netmsg->body.fe_params.u.ofdm.hierarchy_information;
}
}
void set_dvb_frontend_parameters( vtuner_message_t* netmsg, struct dvb_frontend_parameters* hfe, vtuner_type_t type) {
netmsg->body.fe_params.frequency = hfe->frequency;
netmsg->body.fe_params.inversion = hfe->inversion;
switch (type) {
case VT_S :
case VT_S2:
netmsg->body.fe_params.u.qpsk.symbol_rate = hfe->u.qpsk.symbol_rate;
netmsg->body.fe_params.u.qpsk.fec_inner = hfe->u.qpsk.fec_inner;
break;
case VT_C:
netmsg->body.fe_params.u.qam.symbol_rate = hfe->u.qam.symbol_rate;
netmsg->body.fe_params.u.qam.fec_inner = hfe->u.qam.fec_inner;
netmsg->body.fe_params.u.qam.modulation = hfe->u.qam.modulation;
break;
case VT_T:
netmsg->body.fe_params.u.ofdm.bandwidth = hfe->u.ofdm.bandwidth;
netmsg->body.fe_params.u.ofdm.code_rate_HP = hfe->u.ofdm.code_rate_HP;
netmsg->body.fe_params.u.ofdm.code_rate_LP = hfe->u.ofdm.code_rate_LP;
netmsg->body.fe_params.u.ofdm.constellation = hfe->u.ofdm.constellation;
netmsg->body.fe_params.u.ofdm.transmission_mode = hfe->u.ofdm.transmission_mode;
netmsg->body.fe_params.u.ofdm.guard_interval = hfe->u.ofdm.guard_interval;
netmsg->body.fe_params.u.ofdm.hierarchy_information = hfe->u.ofdm.hierarchy_information;
}
}
#endif
int ntoh_get_message_type( vtuner_net_message_t* netmsg ) {
int hmsgtype = ntohs(netmsg->msg_type);
return hmsgtype;
}
void hton_vtuner_net_message(vtuner_net_message_t* netmsg, vtuner_type_t type) {
DEBUGNET(" v%d/%x %d %d", netmsg->ver, netmsg->cap, netmsg->msg_type, netmsg->u.vtuner.type );
switch (netmsg->msg_type) {
case MSG_GET_FRONTEND:
case MSG_SET_FRONTEND:
DEBUGNETC(" %d %d %d %d", netmsg->u.vtuner.body.fe_params.frequency, netmsg->u.vtuner.body.fe_params.inversion, netmsg->u.vtuner.body.fe_params.u.qpsk.symbol_rate, netmsg->u.vtuner.body.fe_params.u.qpsk.fec_inner);
HTONLc(netmsg->u.vtuner.body.fe_params, frequency);
switch (type) {
case VT_S :
case VT_S2:
case VT_S|VT_S2:
DEBUGNETC(" VT_S/VT_S2");
HTONLc( netmsg->u.vtuner.body.fe_params, u.qpsk.symbol_rate);
HTONLc( netmsg->u.vtuner.body.fe_params, u.qpsk.fec_inner);
break;
case VT_C:
DEBUGNETC(" VT_C");
HTONLc( netmsg->u.vtuner.body.fe_params, u.qam.symbol_rate);
HTONLc( netmsg->u.vtuner.body.fe_params, u.qam.fec_inner);
HTONLc( netmsg->u.vtuner.body.fe_params, u.qam.modulation);
break;
case VT_T:
DEBUGNETC(" VT_T");
HTONLc( netmsg->u.vtuner.body.fe_params, u.ofdm.bandwidth);
HTONLc( netmsg->u.vtuner.body.fe_params, u.ofdm.code_rate_HP);
HTONLc( netmsg->u.vtuner.body.fe_params, u.ofdm.code_rate_LP);
HTONLc( netmsg->u.vtuner.body.fe_params, u.ofdm.constellation);
HTONLc( netmsg->u.vtuner.body.fe_params, u.ofdm.transmission_mode);
HTONLc( netmsg->u.vtuner.body.fe_params, u.ofdm.guard_interval);
HTONLc( netmsg->u.vtuner.body.fe_params, u.ofdm.hierarchy_information);
break;
default:
WARN(MSG_NET, "unkown frontend type %d (known types are %d,%d,%d,%d)\n",type,VT_S,VT_C,VT_T,VT_S2);
};
break;
case MSG_READ_STATUS:
HTONLc( netmsg->u.vtuner.body, status);
DEBUGNETC(" %d", netmsg->u.vtuner.body.status);
break;
case MSG_READ_BER:
DEBUGNETC(" %d", netmsg->u.vtuner.body.ber);
HTONLc( netmsg->u.vtuner.body, ber);
break;
case MSG_READ_SIGNAL_STRENGTH:
DEBUGNETC(" %d", netmsg->u.vtuner.body.ss);
HTONSc( netmsg->u.vtuner.body, ss);
break;
case MSG_READ_SNR:
DEBUGNETC(" %d", netmsg->u.vtuner.body.snr);
HTONSc( netmsg->u.vtuner.body, snr);
break;
case MSG_READ_UCBLOCKS:
DEBUGNETC(" %d", netmsg->u.vtuner.body.ucb);
HTONLc( netmsg->u.vtuner.body, ucb);
break;
case MSG_SET_PROPERTY:
case MSG_GET_PROPERTY:
HTONLc( netmsg->u.vtuner.body, prop.cmd );
HTONLc( netmsg->u.vtuner.body, prop.u.data );
break;
case MSG_PIDLIST: {
int i;
for(i=0; i<30; ++i) {
DEBUGNETC(" %d", netmsg->u.vtuner.body.pidlist[i]);
HTONSc( netmsg->u.vtuner.body, pidlist[i]);
}
break;
case MSG_DISCOVER:
// DEBUGNETC(" %d %d %d %d", netmsg->u.discover.port, netmsg->u.discover.fe_info.type, netmsg->u.discover.fe_info.frequency_min, netmsg->u.discover.fe_info.frequency_max);
HTONSc( netmsg->u.discover, tuner_group);
HTONSc( netmsg->u.discover, port);
HTONSc( netmsg->u.discover, tsdata_port);
HTONLc( netmsg->u.discover, vtype);
break;
case MSG_UPDATE:
HTONLc( netmsg->u.update, status);
HTONLc( netmsg->u.update, ber);
HTONLc( netmsg->u.update, ucb);
HTONSc( netmsg->u.update, ss);
HTONSc( netmsg->u.update, snr);
break;
default:
if(netmsg->msg_type < 1 || (netmsg->msg_type > MSG_GET_PROPERTY && netmsg->msg_type < MSG_NULL ) || netmsg->msg_type > MSG_UPDATE)
WARN(MSG_NET, "unkown message type %d\n",netmsg->msg_type);
}
}
if(netmsg->msg_type < MSG_DISCOVER) HTONLc( netmsg->u.vtuner, type );
netmsg->msg_type = htons( netmsg->msg_type );
netmsg->ver = VTUNER_PROTO2;
DEBUGNETC(" %x %x\n", netmsg->msg_type, netmsg->u.vtuner.type);
#ifdef DEBUG_NET
print_vtuner_net_message(netmsg);
#endif
}
void ntoh_vtuner_net_message(vtuner_net_message_t* netmsg, vtuner_type_t type) {
#ifdef DEBUG_NET
print_vtuner_net_message(netmsg);
#endif
DEBUGNET(" v%d/%x %d %d", netmsg->ver, netmsg->cap, netmsg->msg_type, netmsg->u.vtuner.type );
netmsg->msg_type = ntohs( netmsg->msg_type );
if(netmsg->msg_type < MSG_DISCOVER) HTONLc( netmsg->u.vtuner, type );
netmsg->ver = VTUNER_PROTO2;
DEBUGNETC(" %d %d", netmsg->msg_type, netmsg->u.vtuner.type );
switch (netmsg->msg_type) {
case MSG_GET_FRONTEND:
case MSG_SET_FRONTEND:
NTOHLc( netmsg->u.vtuner.body.fe_params, frequency);
switch (type) {
case VT_S :
case VT_S2:
case VT_S|VT_S2:
DEBUGNETC(" VT_S/VT_S2");
NTOHLc( netmsg->u.vtuner.body.fe_params, u.qpsk.symbol_rate);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.qpsk.fec_inner);
break;
case VT_C:
DEBUGNETC(" VT_C");
NTOHLc( netmsg->u.vtuner.body.fe_params, u.qam.symbol_rate);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.qam.fec_inner);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.qam.modulation);
break;
case VT_T:
DEBUGNETC(" VT_T");
NTOHLc( netmsg->u.vtuner.body.fe_params, u.ofdm.bandwidth);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.ofdm.code_rate_HP);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.ofdm.code_rate_LP);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.ofdm.constellation);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.ofdm.transmission_mode);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.ofdm.guard_interval);
NTOHLc( netmsg->u.vtuner.body.fe_params, u.ofdm.hierarchy_information);
break;
default:
WARN(MSG_NET, "unkown frontend type %d (known types are %d,%d,%d,%d)\n",type,VT_S,VT_C,VT_T,VT_S2);
}
DEBUGNETC(" %d %d %d %d", netmsg->u.vtuner.body.fe_params.frequency, netmsg->u.vtuner.body.fe_params.inversion, netmsg->u.vtuner.body.fe_params.u.qpsk.symbol_rate, netmsg->u.vtuner.body.fe_params.u.qpsk.fec_inner);
break;
case MSG_READ_STATUS:
NTOHLc( netmsg->u.vtuner.body, status);
DEBUGNETC(" %d", netmsg->u.vtuner.body.status);
break;
case MSG_READ_BER:
NTOHLc( netmsg->u.vtuner.body, ber);
DEBUGNETC(" %d", netmsg->u.vtuner.body.ber);
break;
case MSG_READ_SIGNAL_STRENGTH:
NTOHSc( netmsg->u.vtuner.body, ss);
DEBUGNETC(" %d", netmsg->u.vtuner.body.ss);
break;
case MSG_READ_SNR:
NTOHSc( netmsg->u.vtuner.body, snr);
DEBUGNETC(" %d", netmsg->u.vtuner.body.snr);
break;
case MSG_READ_UCBLOCKS:
NTOHLc( netmsg->u.vtuner.body, ucb);
DEBUGNETC(" %d", netmsg->u.vtuner.body.ucb);
break;
case MSG_PIDLIST: {
int i;
for(i=0; i<30; ++i) {
NTOHSc( netmsg->u.vtuner.body, pidlist[i]);
DEBUGNETC(" %d", netmsg->u.vtuner.body.pidlist[i]);
}
break;
case MSG_SET_PROPERTY:
case MSG_GET_PROPERTY:
NTOHLc( netmsg->u.vtuner.body, prop.u.data );
NTOHLc( netmsg->u.vtuner.body, prop.cmd );
break;
case MSG_DISCOVER:
NTOHSc( netmsg->u.discover, tuner_group);
NTOHSc( netmsg->u.discover, port);
NTOHSc( netmsg->u.discover, tsdata_port);
NTOHLc( netmsg->u.discover, vtype);
break;
case MSG_UPDATE:
NTOHLc( netmsg->u.update, status);
NTOHLc( netmsg->u.update, ber);
NTOHLc( netmsg->u.update, ucb);
NTOHSc( netmsg->u.update, ss);
NTOHSc( netmsg->u.update, snr);
break;
default:
if(netmsg->msg_type < 1 || (netmsg->msg_type > MSG_GET_PROPERTY && netmsg->msg_type < MSG_NULL ) || netmsg->msg_type > MSG_UPDATE)
WARN(MSG_NET, "unknown message type %d\n",netmsg->msg_type);
}
}
DEBUGNETC("\n");
}
void print_vtuner_net_message(vtuner_net_message_t* netmsg) {
char* bytes;
int i;
bytes=(char*)netmsg;
DEBUGNET(" (%d) ",sizeof(vtuner_net_message_t));
for(i=0; i<sizeof(vtuner_net_message_t); ++i) {
DEBUGNETC("%x ", bytes[i]);
}
DEBUGNETC("\n");
}