X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FPacket.cc;h=8cd45b53baff4e71a9e5ac5a4e3381ebb59972b4;hp=4f3b7fd64f00def5b04ce2f9d7f74287f63e2b2c;hb=e434d5eee9eaf196a5f4bb8c6118b6be3b84a421;hpb=41f8dd670e963aad94527ce2be0486268993a477

diff --git a/src/Moof/Packet.cc b/src/Moof/Packet.cc
index 4f3b7fd..8cd45b5 100644
--- a/src/Moof/Packet.cc
+++ b/src/Moof/Packet.cc
@@ -15,44 +15,89 @@
 #if HAVE_BYTESWAP_H
 #include <byteswap.h>
 #endif
+#include <cstdlib>
 
+#if HAVE_ARPA_INET_H
 #include <arpa/inet.h>
+#endif
 
 #include <SDL/SDL.h>
 
 #include "Packet.hh"
 
 
+#ifndef bswap_16
+#define bswap_16(x) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
+#endif
+
+#ifndef bswap_32
+#define bswap_32(x) ((((x) & 0xff000000) >> 24) | \
+					(((x)  & 0x00ff0000) >>  8) | \
+					(((x)  & 0x0000ff00) <<  8) | \
+					(((x)  & 0x000000ff) << 24))
+#endif
+
 #ifndef bswap_64
-#define bswap_64(x)	(((uint64_t)(x) << 56) | \
-					(((uint64_t)(x) << 40) & 0xff000000000000ULL) | \
-					(((uint64_t)(x) << 24) & 0xff0000000000ULL) | \
-					(((uint64_t)(x) << 8)  & 0xff00000000ULL) | \
-					(((uint64_t)(x) >> 8)  & 0xff000000ULL) | \
-					(((uint64_t)(x) >> 24) & 0xff0000ULL) | \
-					(((uint64_t)(x) >> 40) & 0xff00ULL) | \
-					((uint64_t)(x)  >> 56))
+#define bswap_64(x)	(((x) << 56) | \
+					(((x) << 40) & 0xff000000000000ULL) | \
+					(((x) << 24) & 0xff0000000000ULL) | \
+					(((x) << 8)  & 0xff00000000ULL) | \
+					(((x) >> 8)  & 0xff000000ULL) | \
+					(((x) >> 24) & 0xff0000ULL) | \
+					(((x) >> 40) & 0xff00ULL) | \
+					((x)  >> 56))
 #endif
 
-static uint64_t htonll(uint64_t x)
+
+#if !HAVE_ARPA_INET_H
+static uint16_t htons(uint16_t x)
 {
 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
-	return bswap_64(x);
+	return bswap_16(x);
+#else
+	return x;
 #endif
 }
+static uint16_t ntohs(uint16_t x)
+{
+	return htons(x);
+}
 
-static uint64_t ntohll(uint64_t x)
+static uint32_t htonl(uint32_t x)
+{
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN
+	return bswap_32(x);
+#else
+	return x;
+#endif
+}
+static uint32_t ntohl(uint32_t x)
+{
+	return htonl(x);
+}
+#endif
+
+
+static uint64_t htonll(uint64_t x)
 {
 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
 	return bswap_64(x);
+#else
+	return x;
 #endif
 }
+static uint64_t ntohll(uint64_t x)
+{
+	return htonll(x);
+}
 
 
 namespace Mf {
 	
 
 Packet::Packet(size_t size) :
+	mBuffer((char*)malloc(size)),
+	mSize(size),
 	mR(0),
 	mW(0),
 	mBoolR(0),
@@ -60,21 +105,25 @@ Packet::Packet(size_t size) :
 	mBoolNumR(0),
 	mBoolNumW(0)
 {
-	mBuffer = boost::shared_array<char>(new char[size]);
-	mSize = size;
 }
 
 Packet::Packet(const char* data, size_t size) :
+	mBuffer((char*)malloc(size)),
+	mSize(size),
 	mR(0),
+	mW(size),
 	mBoolR(0),
 	mBoolW(0),
 	mBoolNumR(0),
 	mBoolNumW(0)
 {
-	mBuffer = boost::shared_array<char>(new char[size]);
-	mSize = size;
-	mW = size;
-	memcpy(mBuffer.get(), data, mSize);
+	memcpy(mBuffer, data, size);
+}
+
+
+Packet::~Packet()
+{
+	free(mBuffer);
 }
 
 
@@ -144,22 +193,40 @@ Packet& Packet::operator<<(uint64_t value)
 	return *this;
 }
 
-//Packet& Packet::operator<<(float value)
-//{
-//}
-
-//Packet& Packet::operator<<(double value)
-//{
-//}
-
-//Packet& Packet::operator<<(long double value)
-//{
-//}
+Packet& Packet::operator<<(float value)
+{
+	// XXX: assumes the ieee-754
+	uint32_t* integer = reinterpret_cast<uint32_t*>(&value);
+	*integer = htonl(*integer);
+	write(integer, sizeof(value));
+	return *this;
+}
 
+Packet& Packet::operator<<(double value)
+{
+	// XXX: assumes the ieee-754
+	uint64_t* integer = reinterpret_cast<uint64_t*>(&value);
+	*integer = htonll(*integer);
+	write(integer, sizeof(value));
+	return *this;
+}
 
 size_t Packet::write(const void* bytes, size_t size)
 {
 	size_t nBytes = std::min(size, mSize - mW);
+	if (!mBuffer || nBytes < size)
+	{
+		int nPages = 1 + size / PAGE_SIZE;
+		int newSize = mSize + nPages * PAGE_SIZE;
+		char* newBuffer = (char*)realloc(mBuffer, newSize);
+		if (newBuffer)
+		{
+			mBuffer = newBuffer;
+			mSize = newSize;
+			nBytes = size;
+		}
+		if (!mBuffer) return 0;
+	}
 	memcpy(&mBuffer[mW], bytes, nBytes);
 	mW += nBytes;
 	return nBytes;
@@ -230,6 +297,23 @@ Packet& Packet::operator>>(uint64_t& value)
 	return *this;
 }
 
+Packet& Packet::operator>>(float& value)
+{
+	// XXX: assumes the ieee-754
+	uint32_t* integer = reinterpret_cast<uint32_t*>(&value);
+	read(integer, sizeof(value));
+	*integer = htonl(*integer);
+	return *this;
+}
+
+Packet& Packet::operator>>(double& value)
+{
+	// XXX: assumes the ieee-754
+	uint64_t* integer = reinterpret_cast<uint64_t*>(&value);
+	read(integer, sizeof(value));
+	*integer = htonll(*integer);
+	return *this;
+}
 
 size_t Packet::read(void* bytes, size_t size)
 {