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version 1.15, 2005/02/22 06:04:46
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version 1.17, 2005/02/23 04:24:09
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| int clientNum; // 1...NUM_CLIENTS | int clientNum; // 1...NUM_CLIENTS |
| }; | }; |
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struct Thread { |
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HANDLE Handle; |
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DWORD ID; |
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}; |
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| struct ServerThread { | struct ServerThread { |
| HANDLE ServerThread; | HANDLE ServerThread; |
| DWORD ServerThreadID; | DWORD ServerThreadID; |
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| SOCKADDR_IN Client; // client info | SOCKADDR_IN Client; // client info |
| }; | }; |
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extern int close(int); |
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| static void test_Startup(void); | static void test_Startup(void); |
| void BlockingClient(int *serverPort); | void BlockingClient(int *serverPort); |
| void BlockingServer(int *port); | void BlockingServer(int *port); |
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| SOCKET sock; | SOCKET sock; |
| SOCKADDR_IN client, server; | SOCKADDR_IN client, server; |
| HOSTENT *hp; | HOSTENT *hp; |
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int connectError; |
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int totCharsReceived = 0; |
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int numCharsReceived; |
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int memSame; |
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char buf[1001]; |
| char* msg="Some message to send to server"; | char* msg="Some message to send to server"; |
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| StartNetworkApp(SOCK_STREAM, &sock, &client); | StartNetworkApp(SOCK_STREAM, &sock, &client); |
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| hp = gethostbyname("localhost"); | hp = gethostbyname("localhost"); |
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| while(*serverPort == 0) ; |
while(*serverPort == 0) |
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; |
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| // network code here | // network code here |
| server.sin_family = AF_INET; | server.sin_family = AF_INET; |
| server.sin_addr = *(struct in_addr *) hp->h_addr; | server.sin_addr = *(struct in_addr *) hp->h_addr; |
| server.sin_port = *serverPort; | server.sin_port = *serverPort; |
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| if(connect(sock, (struct sockaddr *)&server, sizeof(struct sockaddr)) < 0){ |
connectError = connect(sock, (struct sockaddr *)&server, sizeof(struct sockaddr)); |
| ok( 0 , "Error connecting client to socket\n"); |
ok( !connectError , "client cannot connect to host\n"); |
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if(connectError) { |
| WSACleanup(); | WSACleanup(); |
| exit(0); | exit(0); |
| } | } |
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printf("client starting data transfer\n"); |
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while( totCharsReceived < TEST_DATA_SIZE ) { |
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numCharsReceived = recv(sock, buf, 1000, 0); |
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ok( numCharsReceived > 0, "socket was closed unexpectedly" ); |
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| if((send(sock, msg, strlen(msg), 0))==-1){ |
memSame = ! memcmp(buf,testData+totCharsReceived,numCharsReceived); |
| ok( 0 , "Error sending message\n"); |
ok( memSame, "data integrity lost during transfer" ); |
| WSACleanup(); |
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| exit(0); |
totCharsReceived += numCharsReceived; |
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printf("received %d chars\n", numCharsReceived); |
| } | } |
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printf("client data transfer completed\n"); |
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| trace("blocking client done\n"); | trace("blocking client done\n"); |
| clientsDone++; | clientsDone++; |
| } | } |
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| void ProcessConnection(struct ServerThread t) |
void ProcessConnection(struct ServerThread *t) |
| { | { |
| // this will handle all connections to the server, it's in its own function to allow for multithreading | // this will handle all connections to the server, it's in its own function to allow for multithreading |
| int bClosed; | int bClosed; |
| bClosed = close(t.ConnectedSocket); |
int totCharsSent = 0; |
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int numCharsSent; |
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const int charsPerSend = 2000; |
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printf("server starting data transfer\n"); |
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while( totCharsSent < TEST_DATA_SIZE ) { |
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numCharsSent = send(t->ConnectedSocket, testData+totCharsSent, charsPerSend, 0); |
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//ok( numCharsSent != SOCKET_ERROR, "socket error" ); |
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if(numCharsSent == SOCKET_ERROR) { |
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printf("error code: %d",WSAGetLastError()); |
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} |
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totCharsSent += numCharsSent; |
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printf("sent %d block\n", numCharsSent); |
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} |
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printf("server data transfer completed\n"); |
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bClosed = close(t->ConnectedSocket); |
| //ok(bClosed,"Error closing socket"); | //ok(bClosed,"Error closing socket"); |
| } | } |
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| int ListenReturn; | int ListenReturn; |
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| StartNetworkApp(SOCK_STREAM, &sock, &server); | StartNetworkApp(SOCK_STREAM, &sock, &server); |
| *port = server.sin_port; |
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| Threads = malloc(sizeof(struct ServerThread) * NUM_CLIENTS); | Threads = malloc(sizeof(struct ServerThread) * NUM_CLIENTS); |
| memset(Threads, 0, sizeof(struct ServerThread) * NUM_CLIENTS); | memset(Threads, 0, sizeof(struct ServerThread) * NUM_CLIENTS); |
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| ListenReturn = listen(sock, 5); |
ListenReturn = listen(sock, NUM_CLIENTS); |
| ok(ListenReturn != SOCKET_ERROR, "error listening on socket"); | ok(ListenReturn != SOCKET_ERROR, "error listening on socket"); |
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| for (ThreadIndex = 0; ThreadIndex < NUM_CLIENTS; ThreadIndex++) |
*port = server.sin_port; |
| { |
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for (ThreadIndex = 0; ThreadIndex < NUM_CLIENTS; ThreadIndex++) { |
| Threads[ThreadIndex].ConnectedSocket = accept(sock, (SOCKADDR *) &Threads[ThreadIndex].Client, &sizeofSOCKADDR_IN); // this can be modified to include the address of the remote socket | Threads[ThreadIndex].ConnectedSocket = accept(sock, (SOCKADDR *) &Threads[ThreadIndex].Client, &sizeofSOCKADDR_IN); // this can be modified to include the address of the remote socket |
| ok(Threads[ThreadIndex].ConnectedSocket != INVALID_SOCKET, "error accepting socket"); | ok(Threads[ThreadIndex].ConnectedSocket != INVALID_SOCKET, "error accepting socket"); |
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| Threads[ThreadIndex].ServerThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &ProcessConnection, &(Threads[ThreadIndex].ConnectedSocket), 0, &Threads[ThreadIndex].ServerThreadID); |
Threads[ThreadIndex].ServerThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &ProcessConnection, &Threads[ThreadIndex], 0, &Threads[ThreadIndex].ServerThreadID); |
| } | } |
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| // network code here | // network code here |
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while (clientsDone != NUM_CLIENTS) |
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; |
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| free(Threads); | free(Threads); |
| trace("blocking server done\n"); | trace("blocking server done\n"); |
| } | } |
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| { | { |
| int ThreadIndex = 0; | int ThreadIndex = 0; |
| int serverPort = 0; // I think the server port would work better as a #DEFINE rather than a variable that gets passed around everywhere | int serverPort = 0; // I think the server port would work better as a #DEFINE rather than a variable that gets passed around everywhere |
| HANDLE ServerThread; |
struct Thread ServerThread; |
| DWORD ServerThreadId; |
struct Thread *ClientThreads; |
| DWORD *ClientThreadIds; |
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| HANDLE *ClientThreads; |
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| ServerThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &BlockingClient, &serverPort, 0, &ServerThreadId); |
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| ClientThreads = malloc(sizeof(HANDLE) * NUM_CLIENTS); |
ServerThread.Handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &BlockingClient, &serverPort, 0, &ServerThread.ID); |
| memset(ClientThreads, 0, sizeof(HANDLE) * NUM_CLIENTS); |
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| ClientThreadIds = malloc(sizeof(DWORD) * NUM_CLIENTS); |
ClientThreads = malloc(sizeof(struct Thread) * NUM_CLIENTS); |
| memset(ClientThreadIds, 0, sizeof(DWORD) * NUM_CLIENTS); |
memset(ClientThreads, 0, sizeof(struct Thread) * NUM_CLIENTS); |
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| for(ThreadIndex = 0; ThreadIndex < NUM_CLIENTS; ThreadIndex++) { | for(ThreadIndex = 0; ThreadIndex < NUM_CLIENTS; ThreadIndex++) { |
| ClientThreads[ThreadIndex] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &BlockingServer, &serverPort, 0, &ClientThreadIds[ThreadIndex]); |
ClientThreads[ThreadIndex].Handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &BlockingServer, &serverPort, 0, &ClientThreads[ThreadIndex].ID); |
| } | } |
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| trace("test_ClientServerBlocking_1 done\n"); | trace("test_ClientServerBlocking_1 done\n"); |