0fbcdbbabb
I don't think it was actually crashing, the server is programmed to exit on Return (empty line) at the prompt.
94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
#include "util.h"
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#include <math.h> /* round */
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#include <stdarg.h> /* va_list */
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#include <stdint.h> /* uint8_t */
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#include <stdio.h> /* printf */
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#include <stdlib.h> /* exit */
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void
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error (const char* fmt, ...)
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{
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va_list argp;
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va_start (argp, fmt);
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vfprintf (stderr, fmt, argp);
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va_end (argp);
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fputc ('\n', stderr);
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fflush (stderr);
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exit (EXIT_FAILURE);
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}
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int
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util_IsProbablyAscii (const void* buf, const size_t len)
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{
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const uint8_t* bufPtr;
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const uint8_t* bufPtrEnd;
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size_t nAsciiCount;
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nAsciiCount = 0;
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bufPtr = (const uint8_t*) buf;
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bufPtrEnd = bufPtr + len;
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while (bufPtr < bufPtrEnd && (NULL != bufPtr) && (*bufPtr != '\0'))
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{
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nAsciiCount += (*bufPtr >= ' ') && (*bufPtr <= '~');
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bufPtr++;
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}
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return (int) round ((double) nAsciiCount / (double) len);
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}
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void
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util_HexDump (const void* buf, const size_t len)
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{
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const uint8_t* bufPtr;
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const uint8_t* bufPtrEnd;
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const size_t width = 16;
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size_t nout;
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nout = 0;
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bufPtr = (const uint8_t*) buf;
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bufPtrEnd = bufPtr + len;
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while (bufPtr < bufPtrEnd && (NULL != bufPtr))
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{
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if (nout == width)
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{
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printf ("\n");
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nout = 0;
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}
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printf ("%02x ", *bufPtr);
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bufPtr++;
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nout++;
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}
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puts ("");
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}
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void
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util_UDP_DumpPacket (UDPpacket* packet)
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{
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const uint8_t* buf;
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SDL_assert (packet != NULL);
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// SDL_assert (packet->len > 0);
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SDL_Log ("address: %s:%d", SDLNet_ResolveIP (&packet->address), SDLNet_Read16 (&packet->address.port));
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SDL_Log ("channel: %d", packet->channel);
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SDL_Log ("len : %d", packet->len);
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SDL_Log ("maxlen : %d", packet->maxlen);
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SDL_Log ("status : %d", packet->status);
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if (packet->len > 0)
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{
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buf = (const uint8_t*)packet->data;
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// if (util_IsProbablyAscii (buf, packet->len))
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// SDL_Log ("data:\n%s\n", buf);
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// else
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util_HexDump (buf, packet->len);
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}
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else
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{
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SDL_Log ("No packet data!");
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}
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//DEBUG_LOG ("%d bytes from %s:%d:\n%s", packet->len, hoststring, ntohs (packet->address.port), str.c_str ());
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}
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