| 1 | #define MAX_NUMBER_OF_OPENED_TCP_SOCKETS 100
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| 2 |
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| 3 | /*
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| 4 | OpenSockets opens NumberOfSockets TCP Sockets.
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| 5 | a pointer to an array of SocketDescriptors is returned.
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| 6 | In case of error, the NULL pointer is returned.
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| 7 |
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| 8 | In order to Close the Sockets and free memory call
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| 9 | void CloseSockets(int * SocketDescriptors, unsigned int NumberOfSockets);
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| 10 | */
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| 11 | int * OpenSockets(unsigned int NumberOfSockets);
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| 12 |
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| 13 | /*
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| 14 | EmptySockets is used to read as much data from the TCP-Sockets in question
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| 15 | as possible. After waiting "timeout_usec" (default 125ms) -- see header file
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| 16 | without any data beeing present, the Socket is assumed to be empty.
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| 17 |
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| 18 | Hopefully it is.
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| 19 |
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| 20 | return is true if there was no error during the select statement.
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| 21 | false if select returned <0, which should not happen at all.
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| 22 | What to do if this happened?
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| 23 | */
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| 24 | #define WASTEBIN_SIZE 1000
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| 25 | bool EmptySockets(int *SocketDescriptor, int NumberOfDescriptors, long timeout_usec = 125000L);
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| 26 |
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| 27 | /*
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| 28 | GetMaxFileDescriptor returns the value of the maximal
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| 29 | filedescriptor from NumberOfSockets SocketDescriptors.
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| 30 | The maximal filedescriptor + 1 is needed for select().
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| 31 | */
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| 32 | int GetMaxFileDescriptor(unsigned int NumberOfSockets, int *SocketDescriptor);
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| 33 |
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| 34 | /*
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| 35 | Connect2Server connects NumberOfSockets TCP Sockets
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| 36 | defined by SocketDescriptor
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| 37 | to host defined by ServerIPaddress
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| 38 | starting at Port StartPort, by adding 1 to each Socket
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| 39 |
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| 40 | return value is NumberOfSockets if successful
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| 41 | it is zero if no Server was found and negative
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| 42 | when connecting didn't work.
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| 43 | The negative magnitude indicates which connection didn't work
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| 44 | */
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| 45 | int Connect2Server( int *SocketDescriptor,
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| 46 | unsigned int NumberOfSockets,
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| 47 | unsigned int StartPort ,
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| 48 | char *ServerIPaddress ,
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| 49 | int verbose = 0);
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| 50 |
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| 51 |
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| 52 | /*
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| 53 | CloseSockets closes NumberOfSockets TCP Sockets
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| 54 | indicated by SocketDescriptor and frees the associated memory.
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| 55 | */
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| 56 | int CloseSockets (int * SocketDescriptor ,
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| 57 | unsigned int NumberOfSockets);
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| 58 |
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| 59 |
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| 60 | int * OpenServerSockets (unsigned int NumberOfSockets, unsigned int StartPort) ;
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| 61 |
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