---
lib/include/dvb-fe.h | 19 +++++++++
lib/libdvbv5/dvb-fe.c | 99 +++++++++++++++++++++++++++++++------------------
lib/libdvbv5/libsat.c | 4 +-
3 files changed, 84 insertions(+), 38 deletions(-)
diff --git a/lib/include/dvb-fe.h b/lib/include/dvb-fe.h
index b4c5279..3fdae4f 100644
--- a/lib/include/dvb-fe.h
+++ b/lib/include/dvb-fe.h
@@ -32,6 +32,16 @@
#include "dvb-frontend.h"
#include "libsat.h"
+#define dvb_log(fmt, arg...) do {\
+ parms->logfunc(fmt, ##arg); \
+ } while (0)
+#define dvb_logerr(fmt, arg...) do {\
+ parms->logerrfunc(fmt, ##arg); \
+ } while (0)
+#define dvb_perror(msg) do {\
+ parms->logerrfunc("%s: %s", msg, strerror(errno)); \
+ } while (0)
+
#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
#define MAX_DELIVERY_SYSTEMS 20
@@ -61,6 +71,8 @@ struct dvb_v5_stats {
struct dtv_property prop[DTV_MAX_STATS];
};
+typedef void (*dvb_logfunc)(const char *fmt, ...);
+
struct dvb_v5_fe_parms {
int fd;
char *fname;
@@ -85,6 +97,9 @@ struct dvb_v5_fe_parms {
int high_band;
unsigned diseqc_wait;
unsigned freq_offset;
+
+ dvb_logfunc logfunc;
+ dvb_logfunc logerrfunc;
};
@@ -96,6 +111,10 @@ extern "C" {
struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend,
unsigned verbose, unsigned use_legacy_call);
+struct dvb_v5_fe_parms *dvb_fe_open2(int adapter, int frontend,
+ unsigned verbose, unsigned use_legacy_call,
+ dvb_logfunc logfunc,
+ dvb_logfunc logerrfunc);
void dvb_fe_close(struct dvb_v5_fe_parms *parms);
/* Get/set delivery system parameters */
diff --git a/lib/libdvbv5/dvb-fe.c b/lib/libdvbv5/dvb-fe.c
index 8f27e1a..655814a 100644
--- a/lib/libdvbv5/dvb-fe.c
+++ b/lib/libdvbv5/dvb-fe.c
@@ -24,7 +24,27 @@
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
+#include <stdarg.h>
+void dvb_default_log(const char *fmt, ...)
+{
+ va_list ap;
+ va_start( ap, fmt );
+ printf( "libdvbv5: " );
+ vprintf( fmt, ap );
+ printf( "\n" );
+ va_end( ap );
+}
+
+void dvb_default_logerr(const char *fmt, ...)
+{
+ va_list ap;
+ va_start( ap, fmt );
+ fprintf (stderr, "libdvbv5: ");
+ vfprintf( stderr, fmt, ap );
+ fprintf (stderr, "\n");
+ va_end( ap );
+}
static void dvb_v5_free(struct dvb_v5_fe_parms *parms)
{
@@ -37,6 +57,14 @@ static void dvb_v5_free(struct dvb_v5_fe_parms *parms)
struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
unsigned use_legacy_call)
{
+ return dvb_fe_open2(adapter, frontend, verbose, use_legacy_call,
+ dvb_default_log, dvb_default_logerr);
+}
+
+struct dvb_v5_fe_parms *dvb_fe_open2(int adapter, int frontend, unsigned verbose,
+ unsigned use_legacy_call, dvb_logfunc logfunc,
+ dvb_logfunc logerrfunc)
+{
int fd, i;
char *fname;
struct dtv_properties dtv_prop;
@@ -44,18 +72,18 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
asprintf(&fname, "/dev/dvb/adapter%i/frontend%i", adapter, frontend);
if (!fname) {
- perror("fname malloc");
+ logerrfunc("fname calloc: %s", strerror(errno));
return NULL;
}
fd = open(fname, O_RDWR, 0);
if (fd == -1) {
- fprintf(stderr, "%s while opening %s\n", strerror(errno), fname);
+ logerrfunc("%s while opening %s", strerror(errno), fname);
return NULL;
}
parms = calloc(sizeof(*parms), 1);
if (!parms) {
- perror("parms calloc");
+ logerrfunc("parms calloc: %s", strerror(errno));
close(fd);
return NULL;
}
@@ -63,9 +91,11 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
parms->verbose = verbose;
parms->fd = fd;
parms->sat_number = -1;
+ parms->logfunc = logfunc;
+ parms->logerrfunc = logerrfunc;
if (ioctl(fd, FE_GET_INFO, &parms->info) == -1) {
- perror("FE_GET_INFO");
+ dvb_perror("FE_GET_INFO");
dvb_v5_free(parms);
close(fd);
return NULL;
@@ -74,13 +104,12 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
if (verbose) {
fe_caps_t caps = parms->info.caps;
- printf("Device %s (%s) capabilities:\n\t",
+ dvb_log("Device %s (%s) capabilities:",
parms->info.name, fname);
for (i = 0; i < ARRAY_SIZE(fe_caps_name); i++) {
if (caps & fe_caps_name[i].idx)
- printf ("%s ", fe_caps_name[i].name);
+ dvb_log (" %s", fe_caps_name[i].name);
}
- printf("\n");
}
parms->dvb_prop[0].cmd = DTV_API_VERSION;
@@ -97,7 +126,7 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
parms->version = parms->dvb_prop[0].u.data;
parms->current_sys = parms->dvb_prop[1].u.data;
if (verbose)
- printf ("DVB API Version %d.%d, Current v5 delivery system: %s\n",
+ dvb_log ("DVB API Version %d.%d, Current v5 delivery system: %s",
parms->version / 256,
parms->version % 256,
delivery_system_name[parms->current_sys]);
@@ -139,7 +168,7 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
break;
}
if (!parms->num_systems) {
- fprintf(stderr, "delivery system not detected\n");
+ dvb_logerr("delivery system not detected");
dvb_v5_free(parms);
close(fd);
return NULL;
@@ -150,7 +179,7 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
dtv_prop.num = 1;
dtv_prop.props = parms->dvb_prop;
if (ioctl(fd, FE_GET_PROPERTY, &dtv_prop) == -1) {
- perror("FE_GET_PROPERTY");
+ dvb_perror("FE_GET_PROPERTY");
dvb_v5_free(parms);
close(fd);
return NULL;
@@ -160,7 +189,7 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
parms->systems[i] = parms->dvb_prop[0].u.buffer.data[i];
if (parms->num_systems == 0) {
- fprintf(stderr, "driver died while trying to set the delivery system\n");
+ dvb_logerr("driver died while trying to set the delivery system");
dvb_v5_free(parms);
close(fd);
return NULL;
@@ -168,19 +197,18 @@ struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
}
if (verbose) {
- printf("Supported delivery system%s: ",
+ dvb_log("Supported delivery system%s: ",
(parms->num_systems > 1) ? "s" : "");
for (i = 0; i < parms->num_systems; i++) {
if (parms->systems[i] == parms->current_sys)
- printf ("[%s] ",
+ dvb_log (" [%s]",
delivery_system_name[parms->systems[i]]);
else
- printf ("%s ",
+ dvb_log (" %s",
delivery_system_name[parms->systems[i]]);
}
- printf("\n");
if (use_legacy_call)
- printf("Warning: ISDB-T, ISDB-S, DMB-TH and DSS will be miss-detected by a DVBv3 call\n");
+ dvb_log("Warning: ISDB-T, ISDB-S, DMB-TH and DSS will be miss-detected by a DVBv3 call");
}
/*
@@ -259,7 +287,7 @@ int dvb_set_sys(struct dvb_v5_fe_parms *parms,
prop.props = dvb_prop;
if (ioctl(parms->fd, FE_SET_PROPERTY, &prop) == -1) {
- perror("Set delivery system");
+ dvb_perror("Set delivery system");
return errno;
}
parms->current_sys = sys;
@@ -437,7 +465,7 @@ int dvb_fe_retrieve_parm(struct dvb_v5_fe_parms *parms,
*value = parms->dvb_prop[i].u.data;
return 0;
}
- fprintf(stderr, "command %s (%d) not found during retrieve\n",
+ dvb_logerr("command %s (%d) not found during retrieve",
dvb_cmd_name(cmd), cmd);
return EINVAL;
@@ -453,7 +481,7 @@ int dvb_fe_store_parm(struct dvb_v5_fe_parms *parms,
parms->dvb_prop[i].u.data = value;
return 0;
}
- fprintf(stderr, "command %s (%d) not found during store\n",
+ dvb_logerr("command %s (%d) not found during store",
dvb_cmd_name(cmd), cmd);
return EINVAL;
@@ -498,7 +526,7 @@ int dvb_fe_get_parms(struct dvb_v5_fe_parms *parms)
prop.num = n;
if (!parms->legacy_fe) {
if (ioctl(parms->fd, FE_GET_PROPERTY, &prop) == -1) {
- perror("FE_GET_PROPERTY");
+ dvb_perror("FE_GET_PROPERTY");
return errno;
}
if (parms->verbose) {
@@ -510,7 +538,7 @@ int dvb_fe_get_parms(struct dvb_v5_fe_parms *parms)
}
/* DVBv3 call */
if (ioctl(parms->fd, FE_GET_FRONTEND, &v3_parms) == -1) {
- perror("FE_GET_FRONTEND");
+ dvb_perror("FE_GET_FRONTEND");
return errno;
}
@@ -575,7 +603,7 @@ int dvb_fe_set_parms(struct dvb_v5_fe_parms *parms)
if (!parms->legacy_fe) {
if (ioctl(parms->fd, FE_SET_PROPERTY, &prop) == -1) {
- perror("FE_SET_PROPERTY");
+ dvb_perror("FE_SET_PROPERTY");
if (parms->verbose)
dvb_fe_prt_parms(stderr, parms);
return errno;
@@ -617,7 +645,7 @@ int dvb_fe_set_parms(struct dvb_v5_fe_parms *parms)
return -EINVAL;
}
if (ioctl(parms->fd, FE_SET_FRONTEND, &v3_parms) == -1) {
- perror("FE_SET_FRONTEND");
+ dvb_perror("FE_SET_FRONTEND");
if (parms->verbose)
dvb_fe_prt_parms(stderr, parms);
return errno;
@@ -640,8 +668,8 @@ int dvb_fe_retrieve_stats(struct dvb_v5_fe_parms *parms,
*value = parms->stats.prop[i].u.data;
return 0;
}
- fprintf(stderr, "%s not found on retrieve\n",
- dvb_v5_name[cmd]);
+ dvb_logerr("%s not found on retrieve",
+ dvb_cmd_name(cmd));
return EINVAL;
}
@@ -656,8 +684,8 @@ int dvb_fe_store_stats(struct dvb_v5_fe_parms *parms,
parms->stats.prop[i].u.data = value;
return 0;
}
- fprintf(stderr, "%s not found on store\n",
- dvb_v5_name[cmd]);
+ dvb_logerr("%s not found on store",
+ dvb_cmd_name(cmd));
return EINVAL;
}
@@ -675,7 +703,7 @@ int dvb_fe_get_stats(struct dvb_v5_fe_parms *parms)
int i;
if (ioctl(parms->fd, FE_READ_STATUS, &status) == -1) {
- perror("FE_READ_STATUS");
+ dvb_perror("FE_READ_STATUS");
status = -1;
}
dvb_fe_store_stats(parms, DTV_STATUS, status);
@@ -698,12 +726,12 @@ int dvb_fe_get_stats(struct dvb_v5_fe_parms *parms)
if (parms->verbose > 1) {
- printf("Status: ");
+ dvb_log("Status: ");
for (i = 0; i < ARRAY_SIZE(fe_status_name); i++) {
if (status & fe_status_name[i].idx)
- printf ("%s ", fe_status_name[i].name);
+ dvb_log (" %s", fe_status_name[i].name);
}
- printf("BER: %d, Strength: %d, SNR: %d, UCB: %d\n",
+ dvb_log("BER: %d, Strength: %d, SNR: %d, UCB: %d",
ber, strength, snr, ucb);
}
return status;
@@ -722,17 +750,16 @@ int dvb_fe_get_event(struct dvb_v5_fe_parms *parms)
}
if (ioctl(parms->fd, FE_GET_EVENT, &event) == -1) {
- perror("FE_GET_EVENT");
+ dvb_perror("FE_GET_EVENT");
return -1;
}
status = event.status;
if (parms->verbose > 1) {
- printf("Status: ");
+ dvb_log("Status: ");
for (i = 0; i < ARRAY_SIZE(fe_status_name); i++) {
if (status & fe_status_name[i].idx)
- printf ("%s ", fe_status_name[i].name);
+ dvb_log (" %s", fe_status_name[i].name);
}
- printf("\n");
}
dvb_fe_store_stats(parms, DTV_STATUS, status);
@@ -861,7 +888,7 @@ int dvb_fe_diseqc_reply(struct dvb_v5_fe_parms *parms, unsigned *len, char *buf,
rc = ioctl(parms->fd, FE_DISEQC_RECV_SLAVE_REPLY, reply);
if (rc == -1) {
- perror("FE_DISEQC_RECV_SLAVE_REPLY");
+ dvb_perror("FE_DISEQC_RECV_SLAVE_REPLY");
return errno;
}
diff --git a/lib/libdvbv5/libsat.c b/lib/libdvbv5/libsat.c
index 25057a6..164059f 100644
--- a/lib/libdvbv5/libsat.c
+++ b/lib/libdvbv5/libsat.c
@@ -298,7 +298,7 @@ static int dvbsat_diseqc_set_input(struct dvb_v5_fe_parms *parms, uint16_t t)
high_band = 1;
} else {
if (sat_number < 0) {
- fprintf(stderr, "Need a satellite number for DISEqC\n");
+ dvb_logerr("Need a satellite number for DISEqC");
return -EINVAL;
}
@@ -358,7 +358,7 @@ int dvb_sat_set_parms(struct dvb_v5_fe_parms *parms)
dvb_fe_retrieve_parm(parms, DTV_FREQUENCY, &freq);
if (!lnb) {
- fprintf(stderr, "Need a LNBf to work\n");
+ dvb_logerr("Need a LNBf to work");
return -EINVAL;
}
--
1.7.2.5
--
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