371 lines
10 KiB
C
371 lines
10 KiB
C
#ifndef _SSOCKET_H_
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#define _SSOCKET_H_
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#include <stdio.h>
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#include <string.h>
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#define SSOCKET_VERSION_MAJOR 1
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#define SSOCKET_VERSION_MINOR 0
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#define SSOCKET_VERSION_PATCH 2
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#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
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#define _OS_WIN 1
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//define something for Windows (32-bit and 64-bit, this part is common)
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#ifdef _WIN64
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#define _OS_WIN64 1
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//define something for Windows (64-bit only)
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#else
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#define _OS_WIN32 1
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//define something for Windows (32-bit only)
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#endif
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#elif __APPLE__
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#define _OS_APPLE 1
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#include <TargetConditionals.h>
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#if TARGET_IPHONE_SIMULATOR
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#define _OS_APPLE_SIM 1
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// iOS, tvOS, or watchOS Simulator
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#elif TARGET_OS_MACCATALYST
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#define _OS_APPLE_CATA 1
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// Mac's Catalyst (ports iOS API into Mac, like UIKit).
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#elif TARGET_OS_IPHONE
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#define _OS_APPLE_PHO 1
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// iOS, tvOS, or watchOS device
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#elif TARGET_OS_MAC
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#define _OS_APPLE_MAC 1
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// Other kinds of Apple platforms
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#else
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# error "Unknown Apple platform"
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#endif
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#elif __linux__
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#define _OS_LINUX 1
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// linux
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#elif __unix__ // all unices not caught above
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#define _OS_UNIX 1
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// Unix
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#elif defined(_POSIX_VERSION)
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#define _OS_POSIX 1
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// POSIX
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#else
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# error "Unknown compiler"
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#endif
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#if _OS_WIN
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#define WIN_PART 1
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#elif _OS_LINUX
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#define LINUX_PART 1
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#else
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#error "Not Supported Operator System"
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#endif
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#if WIN_PART
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <windows.h>
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#define strcasecmp _stricmp
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#define strncasecmp _strnicmp
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#define socklen_t int
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#elif LINUX_PART
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <pthread.h>
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#include <strings.h>
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#define SOCKET long long int
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//#define INVALID_SOCKET (SOCKET)(~0)
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#endif
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#ifndef ZZY_SLEEP
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#define ZZY_SLEEP
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#if WIN_PART
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#define sleeps(s) Sleep(s*1000)
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#define sleepms(ms) Sleep(ms)
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#elif LINUX_PART
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#define sleeps(s) sleep(s)
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#define sleepms(ms) usleep(ms*1000)
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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ERR_SOCK_SUCCESS,
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ERR_SOCK_MALLOC,
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ERR_SOCK_NULLPTR,
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ERR_SOCK_WSAStartup,
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ERR_SOCK_DETERMINE_AGREEMENT,
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ERR_SOCK_CREATE_SOCKET,
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ERR_SOCK_BIND,
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ERR_SOCK_LISTEN,
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ERR_SOCK_ACCEPT,
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ERR_SOCK_CONNECT,
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ERR_SOCK_ADDRINFO,
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//getaddrinfo
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ERR_SOCK_EAI_MAPPING_NOT_EXIST,
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ERR_SOCK_EAI_AGAIN,
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ERR_SOCK_EAI_BADFLAGS,
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ERR_SOCK_EAI_FAIL,
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ERR_SOCK_EAI_FAMILY,
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ERR_SOCK_EAI_MEMORY,
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ERR_SOCK_EAI_NONAME,
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ERR_SOCK_EAI_SERVICE,
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ERR_SOCK_EAI_SOCKTYPE,
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};
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static inline int make_sock(SOCKET* sock);
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static inline int sock_connect(SOCKET sock, const char* connect_ip, unsigned short port);
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static inline int sock_bindlisten(SOCKET sock, const char* server_ip, unsigned short port);
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static inline int sock_accpet(SOCKET sock,SOCKET* client, char** accept_ip, unsigned short* port);
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static inline int make_server_sock(SOCKET* sock, const char* server_ip, unsigned short port);
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static inline int make_client_sock(SOCKET* sock, const char* connect_ip, unsigned short port);
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static inline void close_sock(SOCKET sock);
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static inline void out_sock_err(FILE* output, int errcode);
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static inline void get_sock_err(char* buff_128, size_t buff_len, int errcode);
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static inline void sock_thread(void(*thread_func)(void*), void* data);
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#define _SOCKET_TEST_IP "127.0.0.1"
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#define _SOCKET_TEST_PORT 6789
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static inline int _socket(SOCKET* sock, const char* ip, const char* port);
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static inline int _connect(SOCKET sock, const char* ip, const char* port);
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static inline int _bind(SOCKET sock, const char* ip, const char* port);
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static inline int _bindlisten(SOCKET sock, const char* ip, const char* port);
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static inline int _sock(SOCKET* sock, int af, int type);
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static inline int make_sock(SOCKET* sock) { return make_sock_tcp4(sock); };
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static inline int make_sock_tcp4(SOCKET* sock) { return _sock(sock, AF_INET, SOCK_STREAM); }
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static inline int make_sock_tcp6(SOCKET* sock) { return _sock(sock, AF_INET6, SOCK_STREAM); }
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static inline int make_sock_udp4(SOCKET* sock) { return _sock(sock, AF_INET, SOCK_DGRAM); }
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static inline int make_sock_udp6(SOCKET* sock) { return _sock(sock, AF_INET6, SOCK_DGRAM); }
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static inline int _sock(SOCKET* sock, int af, int type) {
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#ifdef WIN_PART
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WSADATA wsaData;
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if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
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return ERR_SOCK_WSAStartup;
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}
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if (HIBYTE(wsaData.wVersion) != 2 || \
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LOBYTE(wsaData.wVersion) != 2) {
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return ERR_SOCK_DETERMINE_AGREEMENT;
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}
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#endif
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*sock = socket(af, type, 0);
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if (*sock == INVALID_SOCKET) {
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return ERR_SOCK_CREATE_SOCKET;
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}
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return ERR_SOCK_SUCCESS;
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}
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static inline int _sock_eai_res_map(int res) {
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switch (res) {
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case EAI_AGAIN: return ERR_SOCK_EAI_AGAIN;
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case EAI_BADFLAGS: return ERR_SOCK_EAI_BADFLAGS;
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case EAI_FAIL: return ERR_SOCK_EAI_FAIL;
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case EAI_FAMILY: return ERR_SOCK_EAI_FAMILY;
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case EAI_MEMORY: return ERR_SOCK_EAI_MEMORY;
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case EAI_NONAME: return ERR_SOCK_EAI_NONAME;
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case EAI_SERVICE: return ERR_SOCK_EAI_SERVICE;
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case EAI_SOCKTYPE: return ERR_SOCK_EAI_SOCKTYPE;
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default: return ERR_SOCK_EAI_MAPPING_NOT_EXIST;
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}
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}
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static inline int _socket(SOCKET* sock, const char* ip, const char* port) {
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struct addrinfo inf = { 0 };
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struct addrinfo* res_addr = NULL;
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int res = getaddrinfo(ip, port, &inf, &res_addr);
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if (res != 0) {
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return _sock_eai_res_map(res);
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}
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for (struct addrinfo* p = res_addr; p != NULL; p = p->ai_next) {
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if (*sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) {
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if (*sock == INVALID_SOCKET) {
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return ERR_SOCK_CREATE_SOCKET;
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}
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freeaddrinfo(res_addr);
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return ERR_SOCK_SUCCESS;
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}
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}
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freeaddrinfo(res_addr);
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return ERR_SOCK_CONNECT;
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}
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static inline int _connect(SOCKET sock, const char* ip, const char* port) {
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struct addrinfo inf = { 0 };
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struct addrinfo* res_addr = NULL;
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int res = getaddrinfo(ip, port, &inf, &res_addr);
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if (res != 0) {
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return _sock_eai_res_map(res);
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}
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for (struct addrinfo* p = res_addr; p != NULL; p = p->ai_next) {
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if (connect(sock, p->ai_addr, p->ai_addrlen) == 0) {
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freeaddrinfo(res_addr);
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return ERR_SOCK_SUCCESS;
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}
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}
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freeaddrinfo(res_addr);
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return ERR_SOCK_CONNECT;
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}
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static inline int _bind(SOCKET sock, const char* ip, const char* port) {
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struct addrinfo inf = { 0 };
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struct addrinfo* res_addr = NULL;
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int res = getaddrinfo(ip, port, &inf, &res_addr);
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if (res != 0) {
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return ERR_SOCK_ADDRINFO;
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}
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for (struct addrinfo* p = res_addr; p != NULL; p = p->ai_next) {
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if (bind(sock, p->ai_addr, p->ai_addrlen) == 0) {
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freeaddrinfo(res_addr);
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return ERR_SOCK_SUCCESS;
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}
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}
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freeaddrinfo(res_addr);
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return ERR_SOCK_CONNECT;
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}
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static inline int _bindlisten(SOCKET sock, const char* ip, const char* port) {
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int res = _bind(sock, ip, port);
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if(res == ERR_SOCK_SUCCESS){
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if (listen(sock, SOMAXCONN) == 0) {
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return ERR_SOCK_SUCCESS;
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}
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return ERR_SOCK_LISTEN;
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}
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return res;
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}
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static inline int sock_connect(SOCKET sock, const char* connect_ip, unsigned short port) {
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char buf[8] = { 0 };
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sprintf(buf, "%u", port);
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return _connect(sock, connect_ip, buf);
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}
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static inline int sock_bindlisten(SOCKET sock, const char* server_ip, unsigned short port) {
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char buf[8] = { 0 };
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sprintf(buf, "%u", port);
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return _bindlisten(sock, server_ip, buf);
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}
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static inline int sock_accpet(SOCKET sock,SOCKET* client, char** accept_ip, unsigned short* port) {
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struct sockaddr_in caddr = { 0 };
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socklen_t addrLen = sizeof(struct sockaddr_in);
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if(client == NULL) {
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return ERR_SOCK_NULLPTR;
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}
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*client = accept(sock,(struct sockaddr*) &caddr, &addrLen);
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if (*client == -1) {
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return ERR_SOCK_ACCEPT;
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}
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char* ip = (char*)malloc(32);
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if(ip == NULL) {
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return ERR_SOCK_MALLOC;
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}
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int buffLen = strlen( inet_ntoa(caddr.sin_addr) );
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if(accept_ip != NULL) {
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strncpy(ip, inet_ntoa(caddr.sin_addr), buffLen);
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ip[buffLen] = '\0';
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*accept_ip = ip;
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}
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if(port != NULL) {
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*port = ntohs(caddr.sin_port);
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}
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return ERR_SOCK_SUCCESS;
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}
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static inline int make_server_sock(SOCKET* sock, const char* server_ip, unsigned short port) {
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int res = make_sock(sock);
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if(res != ERR_SOCK_SUCCESS) {
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return res;
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}
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res = sock_bindlisten(*sock, server_ip, port);
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if(res != ERR_SOCK_SUCCESS) {
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return res;
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}
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return ERR_SOCK_SUCCESS;
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}
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static inline int make_client_sock(SOCKET* sock, const char* connect_ip, unsigned short port) {
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int res = make_sock(sock);
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if(res != ERR_SOCK_SUCCESS) {
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return res;
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}
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if(connect_ip) {
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res = sock_connect(*sock, connect_ip, port);
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if(res != ERR_SOCK_SUCCESS) {
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return res;
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}
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}
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return ERR_SOCK_SUCCESS;
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}
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static inline void close_sock(SOCKET sock) {
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if(sock == -1) {
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return;
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}
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#if WIN_PART
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closesocket(sock);
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#elif LINUX_PART
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close(sock);
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#endif
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}
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static inline void out_sock_err(FILE* output, int errcode) {
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fprintf(output, "%d", errcode);
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}
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static inline void get_sock_err(char* buff_128, size_t buff_len, int errcode) {
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if(buff_len < 128) {
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return;
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}
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// enum {
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// ERR_SOCK_SUCCESS,
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// ERR_SOCK_MALLOC,
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// ERR_SOCK_NULLPTR,
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// ERR_SOCK_WSAStartup,
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// ERR_SOCK_DETERMINE_AGREEMENT,
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// ERR_SOCK_CREATE_SOCKET,
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// ERR_SOCK_BIND,
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// ERR_SOCK_LISTEN,
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// ERR_SOCK_ACCEPT,
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// ERR_SOCK_CONNECT,
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// };
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// https://learn.microsoft.com/zh-cn/windows/win32/api/ws2tcpip/nf-ws2tcpip-getaddrinfo?redirectedfrom=MSDN
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// https://learn.microsoft.com/en-gb/windows/win32/api/ws2tcpip/nf-ws2tcpip-getaddrinfo?redirectedfrom=MSDN
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// Error value WSA equivalent Description
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// EAI_AGAIN WSATRY_AGAIN A temporary failure in name resolution occurred.
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// EAI_BADFLAGS WSAEINVAL An invalid value was provided for the ai_flags member of the pHints parameter.
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// EAI_FAIL WSANO_RECOVERY A nonrecoverable failure in name resolution occurred.
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// EAI_FAMILY WSAEAFNOSUPPORT The ai_family member of the pHints parameter is not supported.
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// EAI_MEMORY WSA_NOT_ENOUGH_MEMORY A memory allocation failure occurred.
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// EAI_NONAME WSAHOST_NOT_FOUND The name does not resolve for the supplied parameters or the pNodeName and pServiceName parameters were not provided.
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// EAI_SERVICE WSATYPE_NOT_FOUND The pServiceName parameter is not supported for the specified ai_socktype member of the pHints parameter.
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// EAI_SOCKTYPE WSAESOCKTNOSUPPORT The ai_socktype member of the pHints parameter is not supported.
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sprintf(buff_128, "%3d", errcode);
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}
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static inline void sock_thread(void(*thread_func)(void*), void* data) {
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#if WIN_PART
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CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)thread_func, data, 0, NULL);
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#elif LINUX_PART
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pthread_t pid;
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pthread_create(&pid, 0, (void*(*)(void*))thread_func, data);
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#endif
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}
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#ifdef __cplusplus
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}
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#endif
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#endif //_SSOCKET_H_
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