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Parse the log message and print the result to the console

This commit is contained in:
Holger Hans Peter Freyther 2013-05-31 09:52:26 +02:00
parent ae73a0567c
commit 93b625bb65
1 changed files with 80 additions and 5 deletions
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85
src/qxdm-log.c
View File

@ -1,9 +1,12 @@
#include "framing.h"
#include "protocol.h"
#include "serial.h"
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <sys/stat.h>
#include <fcntl.h>
@ -80,6 +83,65 @@ static int transmit_packet(int fd, const uint8_t *data, size_t data_len)
return 0;
}
static int dump_log(const uint8_t *data, const size_t len)
{
size_t i, file_len;
size_t params = 0;
const struct ext_log_msg *msg;
const char *file = NULL, *log;
struct tm *tm;
time_t now;
const size_t str_len = len - offsetof(struct ext_log_msg, data);
time(&now);
tm = localtime(&now);
if (len < sizeof(struct ext_log_msg)) {
printf("too short log message.\n");
return -1;
}
msg = (struct ext_log_msg *) data;
log = (const char *) msg->data;
/*
* Check if it is null terminated and how many parameters it
* might have. This counts all '%' but doesn't take '%%' into
* account.
*/
for (i = 0; i < str_len; ++i) {
if (log[i] == '%')
params += 1;
else if (log[i] == '\0' && i + 1 < str_len) {
file = &log[i + 1];
file_len = str_len - i - 1;
break;
}
}
if (file_len == 0 || file[file_len - 1] != '\0') {
printf("File too short or not null terminated\n");
return -2;
}
if (params > 3) {
printf("Too many parameters in the log message.\n");
return -1;
}
if (!file) {
printf("The file is not present..\n");
return -2;
}
printf("%d:%d:%d %-20s: ",
tm->tm_hour, tm->tm_min, tm->tm_sec,
file);
printf(log, msg->params[0], msg->params[1], msg->params[2]);
printf("\n");
return 0;
}
static int do_read(int fd, uint8_t *data)
{
uint8_t buf[MAX_PACKET];
@ -92,10 +154,19 @@ static int do_read(int fd, uint8_t *data)
}
rc = frame_unpack(buf, rc, data);
if (rc > 0) {
if (rc <= 0)
return 0;
switch (data[0]) {
case 0x79:
dump_log(data, rc);
break;
default:
printf("Got %d data of payload\n", rc);
printf("%s\n", DumpBYTEs(data, rc, 16, "\n", 0, ""));
}
break;
};
return rc;
}
@ -124,9 +195,11 @@ static void do_configure(int fd)
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
#if 0
static const uint8_t enable_evt_report[] = {
0x60, 0x01
};
#endif
static const uint8_t disable_evt_report[] = {
0x60, 0x00
};
@ -141,9 +214,11 @@ static void do_configure(int fd)
transmit_packet(fd, timestamp, sizeof(timestamp));
do_read(fd, data);
/* enable the event report */
// transmit_packet(fd, enable_evt_report, sizeof(enable_evt_report));
// do_read(fd, data);
/* enable|disable the event report */
#if 0
transmit_packet(fd, enable_evt_report, sizeof(enable_evt_report));
do_read(fd, data);
#endif
transmit_packet(fd, disable_evt_report, sizeof(disable_evt_report));
do_read(fd, data);