dcrubro/miniroute
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

logging

Browse Source
This commit is contained in:
DcruBro
2026-06-05 14:35:06 +02:00
parent e7bf726adb
commit e76d58d106
3 changed files with 97 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
include/log.h Normal file
View File

@@ -0,0 +1,19 @@
#ifndef LOG_H
#define LOG_H
#include <stdio.h>
#include <time.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>
void Log_Init();
void Log_Cleanup();
void Log_Info(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
void Log_Warn(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
void Log_Err(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
#endif

56
src/log.c Normal file
View File

@@ -0,0 +1,56 @@
#include <log.h>
// UNIX socket for CONOUT (Console Output) - sends log datagrams to a listener on /tmp/miniroute-log.sock
static int log_socket_fd = -1;
static struct sockaddr_un log_dest;
void Log_Init() {
log_socket_fd = socket(AF_UNIX, SOCK_DGRAM, 0);
if (log_socket_fd < 0) {
perror("Log_Init: socket");
return;
}
memset(&log_dest, 0, sizeof(log_dest));
log_dest.sun_family = AF_UNIX;
strncpy(log_dest.sun_path, "/tmp/miniroute-log.sock", sizeof(log_dest.sun_path) - 1);
}
void Log_Cleanup() {
if (log_socket_fd >= 0) {
close(log_socket_fd);
log_socket_fd = -1;
}
}
static void log_emit(FILE* stream, const char* level, const char* fmt, va_list ap) {
char msg[1024];
vsnprintf(msg, sizeof(msg), fmt, ap);
char buf[1024];
int len = snprintf(buf, sizeof(buf), "[%s] %s\n", level, msg);
fputs(buf, stream);
if (log_socket_fd >= 0)
sendto(log_socket_fd, buf, len, 0, (struct sockaddr*)&log_dest, sizeof(log_dest));
}
void Log_Info(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_emit(stdout, "INFO", fmt, ap);
va_end(ap);
}
void Log_Warn(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_emit(stdout, "WARN", fmt, ap);
va_end(ap);
}
void Log_Err(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_emit(stderr, "ERROR", fmt, ap);
va_end(ap);
}

33
src/main.c
View File

@@ -6,29 +6,38 @@
#include <iputils.h>
#include <unistd.h>
#include <log.h>
int main(void) {
Log_Init();
Log_Info("Welcome to MiniRoute!\nMiniRoute is licensed under the GPLv2-only license.\nMiniRoute is the copyright of its contributors.\nVersion alpha 0.1");
if (RouteTable_Init() < 0) {
fprintf(stderr, "Failed to initialize route tables\n");
Log_Err("Failed to initialize route tables");
return EXIT_FAILURE;
} else {
Log_Info("Route tables initialized successfully");
}
interface_v4_t* iface = Interface_Create_v4("0.0.0.0", NULL, NULL);
interface_v6_t* iface6 = Interface_Create_v6("::", NULL, NULL);
if (!iface || !iface6) {
fprintf(stderr, "Failed to create interfaces\n");
Log_Err("Failed to create interfaces");
RouteTable_Cleanup();
return EXIT_FAILURE;
} else {
Log_Info("Interfaces created successfully");
}
route_table_v4_entry_t entry = {.destination = 0x01000000, .mask = 0xFF000000, .nextHop = 0xC0A80101}; // Example route: 1.0.0.0/8 via 192.168.1.1
if (RouteTable_AddRoute_v4(entry.destination, entry.mask, entry.nextHop) < 0) {
fprintf(stderr, "Failed to add route to IPv4 route table\n");
Log_Err("Failed to add route to IPv4 route table");
}
route_table_v4_entry_t entry2 = {.destination = 0x01020000, .mask = 0xFFFF0000, .nextHop = 0xC0A80102}; // Example route: 1.2.0.0/16 via 192.168.1.1 - more specific than the previous one
if (RouteTable_AddRoute_v4(entry2.destination, entry2.mask, entry2.nextHop) < 0) {
fprintf(stderr, "Failed to add route to IPv4 route table\n");
Log_Err("Failed to add route to IPv4 route table");
}
// Get said route
@@ -37,22 +46,22 @@ int main(void) {
char destStr[16], nextHopStr[16];
IPUtils_PrintIPv4(0x01020005, destStr);
IPUtils_PrintIPv4(nextHop, nextHopStr);
printf("Next hop for destination %s is %s\n", destStr, nextHopStr);
Log_Info("Next hop for destination %s is %s", destStr, nextHopStr);
} else {
char destStr[16];
IPUtils_PrintIPv4(0x01020005, destStr);
fprintf(stderr, "Failed to get next hop for destination %s\n", destStr);
Log_Err("Failed to get next hop for destination %s", destStr);
}
if (RouteTable_GetNextHop_v4(0x01010001, &nextHop) == 0) { // 1.1.0.1 should match the /8 route, not the /16 route
char destStr[16], nextHopStr[16];
IPUtils_PrintIPv4(0x01010001, destStr);
IPUtils_PrintIPv4(nextHop, nextHopStr);
printf("Next hop for destination %s is %s\n", destStr, nextHopStr);
Log_Info("Next hop for destination %s is %s", destStr, nextHopStr);
} else {
char destStr[16];
IPUtils_PrintIPv4(0x01010001, destStr);
fprintf(stderr, "Failed to get next hop for destination %s\n", destStr);
Log_Err("Failed to get next hop for destination %s", destStr);
}
// Some IPv6 routes
@@ -60,7 +69,7 @@ int main(void) {
__uint128_t mask6 = IPUtils_CIDRToMaskv6(64);
__uint128_t nextHop6 = (((__uint128_t)0x20010DB8 << 96) | ((__uint128_t)0x00000000 << 64) | ((__uint128_t)0x00000000 << 32) | (__uint128_t)0x00000002); // 2001:0db8::2
if (RouteTable_AddRoute_v6(dest6, mask6, nextHop6) < 0) {
fprintf(stderr, "Failed to add route to IPv6 route table\n");
Log_Err("Failed to add route to IPv6 route table");
}
// Get said IPv6 route
@@ -69,11 +78,11 @@ int main(void) {
char destStr[40], nextHopStr[40];
IPUtils_PrintIPv6(dest6, destStr);
IPUtils_PrintIPv6(nextHop6Out, nextHopStr);
printf("Next hop for destination %s is %s\n", destStr, nextHopStr);
Log_Info("Next hop for destination %s is %s", destStr, nextHopStr);
} else {
char destStr[40];
IPUtils_PrintIPv6(dest6, destStr);
fprintf(stderr, "Failed to get next hop for destination %s\n", destStr);
Log_Err("Failed to get next hop for destination %s", destStr);
}
while (1) {
@@ -85,5 +94,7 @@ int main(void) {
RouteTable_Cleanup();
Interface_Cleanup();
Log_Cleanup();
return 0;
}