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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "monitor.h"
typedef enum {
TYPE_REACH,
TYPE_DNS,
TYPE_WEB
} type_t;
const char *type_str[] = { "reach", "dns", "web" };
typedef enum {
STATUS_DOWN,
STATUS_UP
} status_t;
typedef struct {
type_t type;
char *target;
status_t status;
} target_t;
static target_t targets[256];
static size_t target_n = 0;
int
monitor_init(const char *cfg_file) {
FILE *cfgf = fopen(cfg_file, "r");
if (!cfgf) {
fprintf(stderr, "Error opening config: %s\n", strerror(errno));
return -1;
}
printf("monitor targets:\n");
char line[256];
while (fgets(line, sizeof(line), cfgf)) {
if (*line == '#' || *line == '\n')
continue;
char *type = line;
char *target = strchr(line, '=');
if (!target) {
fprintf(stderr, "malformed config line: %s\n", line);
continue;
}
*target = '\0';
target++;
if (strcmp(type, "reach") == 0)
targets[target_n].type = TYPE_REACH;
else if (strcmp(type, "dns") == 0)
targets[target_n].type = TYPE_DNS;
else if (strcmp(type, "web") == 0)
targets[target_n].type = TYPE_WEB;
targets[target_n].target = strdup(target);
targets[target_n].status = STATUS_DOWN;
printf("\t%s: %s", type_str[targets[target_n].type],
targets[target_n].target);
target_n++;
}
fclose(cfgf);
return 0;
}
const char *
monitor_generate_status_html()
{
static char buff[65535];
static char *status_html[] = {
"down",
"up"
};
char *pos = buff;
for (size_t i = 0; i < target_n; i++) {
pos += snprintf(pos, 65535,
"<tr><td>%s</td><td>%s</td><td>%s</td></tr>\n",
type_str[targets[i].type],
targets[i].target,
status_html[targets[i].status]);
}
return buff;
}
void
monitor_check()
{
}
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