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slightly cleaner network code

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This commit is contained in:
Erik Faye-Lund 2008-02-02 02:34:09 +00:00
parent 6a7582973a
commit 9bf44409f9
1 changed files with 18 additions and 15 deletions
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33
network.cpp
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@ -13,23 +13,26 @@ void closeNetwork()
WSACleanup(); WSACleanup();
} }
static const char *clientGreeting = "hello, synctracker!";
static const char *serverGreeting = "hello, demo!";
SOCKET clientConnect(SOCKET serverSocket) SOCKET clientConnect(SOCKET serverSocket)
{ {
SOCKET clientSocket = accept(serverSocket, NULL, NULL); SOCKET clientSocket = accept(serverSocket, NULL, NULL);
if (INVALID_SOCKET == clientSocket) return INVALID_SOCKET; if (INVALID_SOCKET == clientSocket) return INVALID_SOCKET;
const char *expectedHandshake = "hello, synctracker!"; const char *expectedGreeting = clientGreeting;
char recievedHandshake[19]; char recievedGreeting[128];
recv(clientSocket, recievedHandshake, int(strlen(expectedHandshake)), 0); recv(clientSocket, recievedGreeting, int(strlen(expectedGreeting)), 0);
if (strncmp(expectedHandshake, recievedHandshake, strlen(expectedHandshake)) != 0) if (strncmp(expectedGreeting, recievedGreeting, strlen(expectedGreeting)) != 0)
{ {
closesocket(clientSocket); closesocket(clientSocket);
return INVALID_SOCKET; return INVALID_SOCKET;
} }
const char *test = "hello, demo!"; const char *greeting = serverGreeting;
send(clientSocket, test, int(strlen(test)), 0); send(clientSocket, greeting, int(strlen(greeting)), 0);
return clientSocket; return clientSocket;
} }
@ -39,19 +42,19 @@ SOCKET serverConnect(struct sockaddr_in *addr)
SOCKET serverSocket = socket( AF_INET, SOCK_STREAM, 0 ); SOCKET serverSocket = socket( AF_INET, SOCK_STREAM, 0 );
connect( serverSocket,(struct sockaddr *)addr, sizeof(struct sockaddr_in)); connect( serverSocket,(struct sockaddr *)addr, sizeof(struct sockaddr_in));
const char * request_text = "hello, synctracker!"; const char *greeting = clientGreeting;
send(serverSocket, request_text, int(strlen(request_text)), 0); send(serverSocket, greeting, int(strlen(greeting)), 0);
const char *expectedHandshake = "hello, demo!"; const char *expectedGreeting = serverGreeting;
char recievedHandshake[12]; char recievedGreeting[128];
recv(serverSocket, recievedHandshake, int(sizeof(recievedHandshake)), 0); recv(serverSocket, recievedGreeting, int(sizeof(recievedGreeting)), 0);
if (strncmp(expectedHandshake, recievedHandshake, strlen(expectedHandshake)) != 0) if (strncmp(expectedGreeting, recievedGreeting, strlen(expectedGreeting)) != 0)
{ {
closesocket(serverSocket); closesocket(serverSocket);
return INVALID_SOCKET; return INVALID_SOCKET;
} }
return serverSocket; return serverSocket;
} }
bool pollRead(SOCKET socket) bool pollRead(SOCKET socket)