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00011 #ifndef __SOCKIO_H__
00012 #define __SOCKIO_H__
00013
00014 #include "stdtp.h"
00015
00016 BEGIN_FASTDB_NAMESPACE
00017
00018 #define DEFAULT_CONNECT_MAX_ATTEMPTS 100
00019 #define DEFAULT_RECONNECT_TIMEOUT 1
00020 #define DEFAULT_LISTEN_QUEUE_SIZE 5
00021 #define WAIT_FOREVER ((time_t)-1)
00022
00023 #ifndef LINGER_TIME
00024 #define LINGER_TIME 10
00025 #endif
00026
00027 #ifndef SOCK_NO_DELAY
00028 #ifndef REPLICATION_SUPPORT
00029 #define SOCK_NO_DELAY 1
00030 #else
00031 #define SOCK_NO_DELAY 0
00032 #endif
00033 #endif
00034
00035 #ifndef SOCK_SNDBUF_SIZE
00036 #define SOCK_SNDBUF_SIZE 0
00037 #endif
00038
00039 #ifndef SOCK_LINGER
00040 #define SOCK_LINGER 0
00041 #endif
00042
00043
00044
00045
00046
00047 class FASTDB_DLL_ENTRY socket_t {
00048 public:
00049 bool read(void* buf, size_t size) {
00050 return read(buf, size, size) == (int)size;
00051 }
00052 virtual int read(void* buf, size_t min_size, size_t max_size,
00053 time_t timeout = WAIT_FOREVER) = 0;
00054 virtual bool write(void const* buf, size_t size) = 0;
00055
00056 virtual bool is_ok() = 0;
00057 virtual void get_error_text(char* buf, size_t buf_size) = 0;
00058
00059
00060
00061
00062 virtual socket_t* accept() = 0;
00063
00064
00065
00066
00067 virtual bool cancel_accept() = 0;
00068
00069
00070
00071
00072 virtual bool shutdown() = 0;
00073
00074
00075
00076
00077 virtual bool close() = 0;
00078
00079
00080
00081
00082
00083
00084 virtual char* get_peer_name() = 0;
00085
00086
00087
00088
00089 enum socket_domain {
00090 sock_any_domain,
00091 sock_local_domain,
00092 sock_global_domain
00093 };
00094
00095 static socket_t* connect(char const* address,
00096 socket_domain domain = sock_any_domain,
00097 int max_attempts = DEFAULT_CONNECT_MAX_ATTEMPTS,
00098 time_t timeout = DEFAULT_RECONNECT_TIMEOUT);
00099
00100
00101
00102
00103 static socket_t* create_local(char const* address,
00104 int listen_queue_size =
00105 DEFAULT_LISTEN_QUEUE_SIZE);
00106
00107
00108
00109
00110 static socket_t* create_global(char const* address,
00111 int listen_queue_size =
00112 DEFAULT_LISTEN_QUEUE_SIZE);
00113
00114 virtual int get_handle() = 0;
00115
00116 virtual ~socket_t() {}
00117 socket_t() { state = ss_close; }
00118
00119 protected:
00120 enum { ss_open, ss_shutdown, ss_close } state;
00121 };
00122
00123 END_FASTDB_NAMESPACE
00124
00125 #endif
00126
00127
00128