diff options
| author | Magnus Auvinen <magnus.auvinen@gmail.com> | 2008-08-14 17:19:13 +0000 |
|---|---|---|
| committer | Magnus Auvinen <magnus.auvinen@gmail.com> | 2008-08-14 17:19:13 +0000 |
| commit | 817f431377c7f1545621ff597c018b133651e991 (patch) | |
| tree | 03fe513c4cc7d34ce9537f81375251ba86b33950 /src/base | |
| parent | 0fceb1cf1ab9887040f08f0abf646ef318a65ae3 (diff) | |
| download | zcatch-817f431377c7f1545621ff597c018b133651e991.tar.gz zcatch-817f431377c7f1545621ff597c018b133651e991.zip | |
moved out e_system, e_detect, vmath and math to a little base library
Diffstat (limited to 'src/base')
| -rw-r--r-- | src/base/detect.h | 115 | ||||
| -rw-r--r-- | src/base/math.hpp | 61 | ||||
| -rw-r--r-- | src/base/system.c | 971 | ||||
| -rw-r--r-- | src/base/system.h | 881 | ||||
| -rw-r--r-- | src/base/vmath.hpp | 196 |
5 files changed, 2224 insertions, 0 deletions
diff --git a/src/base/detect.h b/src/base/detect.h new file mode 100644 index 00000000..04cca2d9 --- /dev/null +++ b/src/base/detect.h @@ -0,0 +1,115 @@ +/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */ +#ifndef BASELIB_FILE_CONFIG_H +#define BASELIB_FILE_CONFIG_H + +/* + this file detected the family, platform and architecture + to compile for. +*/ + +/* platforms */ + +/* windows Family */ +#if defined(WIN64) || defined(_WIN64) + /* Hmm, is this IA64 or x86-64? */ + #define CONF_FAMILY_WINDOWS 1 + #define CONF_FAMILY_STRING "windows" + #define CONF_PLATFORM_WIN64 1 + #define CONF_PLATFORM_STRING "win64" +#elif defined(WIN32) || defined(_WIN32) || defined(__CYGWIN32__) || defined(__MINGW32__) + #define CONF_FAMILY_WINDOWS 1 + #define CONF_FAMILY_STRING "windows" + #define CONF_PLATFORM_WIN32 1 + #define CONF_PLATFORM_STRING "win32" +#endif + +/* unix family */ +#if defined(__FreeBSD__) + #define CONF_FAMILY_UNIX 1 + #define CONF_FAMILY_STRING "unix" + #define CONF_PLATFORM_FREEBSD 1 + #define CONF_PLATFORM_STRING "freebsd" +#endif + +#if defined(__OpenBSD__) + #define CONF_FAMILY_UNIX 1 + #define CONF_FAMILY_STRING "unix" + #define CONF_PLATFORM_OPENBSD 1 + #define CONF_PLATFORM_STRING "openbsd" +#endif + +#if defined(__LINUX__) || defined(__linux__) + #define CONF_FAMILY_UNIX 1 + #define CONF_FAMILY_STRING "unix" + #define CONF_PLATFORM_LINUX 1 + #define CONF_PLATFORM_STRING "linux" +#endif + +#if defined(MACOSX) || defined(__APPLE__) || defined(__DARWIN__) + #define CONF_FAMILY_UNIX 1 + #define CONF_FAMILY_STRING "unix" + #define CONF_PLATFORM_MACOSX 1 + #define CONF_PLATFORM_STRING "macosx" +#endif + +#if defined(__sun) + #define CONF_FAMILY_UNIX 1 + #define CONF_FAMILY_STRING "unix" + #define CONF_PLATFROM_SOLARIS 1 + #define CONF_PLATFORM_STRING "solaris" +#endif + +/* beos family */ +#if defined(__BeOS) || defined(__BEOS__) + #define CONF_FAMILY_BEOS 1 + #define CONF_FAMILY_STRING "beos" + #define CONF_PLATFORM_BEOS 1 + #define CONF_PLATFORM_STRING "beos" +#endif + + +/* architectures */ +#if defined(i386) || defined(__i386__) || defined(__x86__) || defined(CONF_PLATFORM_WIN32) + #define CONF_ARCH_IA32 1 + #define CONF_ARCH_STRING "ia32" + #define CONF_ARCH_ENDIAN_LITTLE 1 +#endif + +#if defined(__ia64__) + #define CONF_ARCH_IA64 1 + #define CONF_ARCH_STRING "ia64" + #define CONF_ARCH_ENDIAN_LITTLE 1 +#endif + +#if defined(__amd64__) || defined(__x86_64__) + #define CONF_ARCH_AMD64 1 + #define CONF_ARCH_STRING "amd64" + #define CONF_ARCH_ENDIAN_LITTLE 1 +#endif + +#if defined(__powerpc__) || defined(__ppc__) + #define CONF_ARCH_PPC 1 + #define CONF_ARCH_STRING "ppc" + #define CONF_ARCH_ENDIAN_BIG 1 +#endif + +#if defined(__sparc__) + #define CONF_ARCH_SPARC 1 + #define CONF_ARCH_STRING "sparc" + #define CONF_ARCH_ENDIAN_BIG 1 +#endif + + +#ifndef CONF_FAMILY_STRING +#define CONF_FAMILY_STRING "unknown" +#endif + +#ifndef CONF_PLATFORM_STRING +#define CONF_PLATFORM_STRING "unknown" +#endif + +#ifndef CONF_ARCH_STRING +#define CONF_ARCH_STRING "unknown" +#endif + +#endif diff --git a/src/base/math.hpp b/src/base/math.hpp new file mode 100644 index 00000000..5e3f7ede --- /dev/null +++ b/src/base/math.hpp @@ -0,0 +1,61 @@ +/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */ +#ifndef BASE_MATH_H +#define BASE_MATH_H + +#include <stdlib.h> + +template <typename T> +inline T clamp(T val, T min, T max) +{ + if(val < min) + return min; + if(val > max) + return max; + return val; +} + +inline float sign(float f) +{ + return f<0.0f?-1.0f:1.0f; +} + +template<typename T, typename TB> +inline T mix(const T a, const T b, TB amount) +{ + return a + (b-a)*amount; +} + +inline float frandom() { return rand()/(float)(RAND_MAX); } + +// float to fixed +inline int f2fx(float v) { return (int)(v*(float)(1<<10)); } +inline float fx2f(int v) { return v*(1.0f/(1<<10)); } + +class fxp +{ + int value; +public: + void set(int v) { value = v; } + int get() const { return value; } + fxp &operator = (int v) { value = v<<10; return *this; } + fxp &operator = (float v) { value = (int)(v*(float)(1<<10)); return *this; } + operator float() const { return value/(float)(1<<10); } +}; + +class tune_param +{ + int value; +public: + void set(int v) { value = v; } + int get() const { return value; } + tune_param &operator = (int v) { value = (int)(v*100.0f); return *this; } + tune_param &operator = (float v) { value = (int)(v*100.0f); return *this; } + operator float() const { return value/100.0f; } +}; + +const float pi = 3.1415926535897932384626433f; + +template <typename T> inline T min(T a, T b) { return a<b?a:b; } +template <typename T> inline T max(T a, T b) { return a>b?a:b; } + +#endif // BASE_MATH_H diff --git a/src/base/system.c b/src/base/system.c new file mode 100644 index 00000000..1ac5f296 --- /dev/null +++ b/src/base/system.c @@ -0,0 +1,971 @@ +/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */ +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <string.h> +#include <ctype.h> +#include <time.h> + +/*#include "detect.h"*/ +#include "system.h" +/*#include "e_console.h"*/ + +#if defined(CONF_FAMILY_UNIX) + #include <sys/time.h> + #include <unistd.h> + + /* unix net includes */ + #include <sys/stat.h> + #include <sys/types.h> + #include <sys/socket.h> + #include <sys/ioctl.h> + #include <errno.h> + #include <netdb.h> + #include <netinet/in.h> + #include <fcntl.h> + #include <pthread.h> + + #include <dirent.h> + #include <unistd.h> +#elif defined(CONF_FAMILY_WINDOWS) + #define WIN32_LEAN_AND_MEAN + #define _WIN32_WINNT 0x0501 /* required for mingw to get getaddrinfo to work */ + #include <windows.h> + #include <winsock2.h> + #include <ws2tcpip.h> + #include <fcntl.h> + #include <direct.h> + #include <errno.h> + + #define EWOULDBLOCK WSAEWOULDBLOCK +#else + #error NOT IMPLEMENTED +#endif + +#if defined(__cplusplus) +extern "C" { +#endif + +IOHANDLE io_stdin() { return (IOHANDLE)stdin; } +IOHANDLE io_stdout() { return (IOHANDLE)stdout; } +IOHANDLE io_stderr() { return (IOHANDLE)stderr; } + +static DBG_LOGGER loggers[16]; +static int num_loggers = 0; + +static NETSTATS network_stats = {0}; + +void dbg_logger(DBG_LOGGER logger) +{ + loggers[num_loggers++] = logger; +} + +void dbg_assert_imp(const char *filename, int line, int test, const char *msg) +{ + if(!test) + { + dbg_msg("assert", "%s(%d): %s", filename, line, msg); + dbg_break(); + } +} + +void dbg_break() +{ + *((unsigned*)0) = 0x0; +} + +void dbg_msg(const char *sys, const char *fmt, ...) +{ + va_list args; + char str[1024*4]; + char *msg; + int i, len; + + str_format(str, sizeof(str), "[%08x][%s]: ", (int)time(0), sys); + len = strlen(str); + msg = (char *)str + len; + + va_start(args, fmt); +#if defined(CONF_FAMILY_WINDOWS) + _vsnprintf(msg, sizeof(str)-len, fmt, args); +#else + vsnprintf(msg, sizeof(str)-len, fmt, args); +#endif + va_end(args); + + for(i = 0; i < num_loggers; i++) + loggers[i](str); +} + +static void logger_stdout(const char *line) +{ + printf("%s\n", line); + fflush(stdout); +} + +static void logger_debugger(const char *line) +{ +#if defined(CONF_FAMILY_WINDOWS) + OutputDebugString(line); + OutputDebugString("\n"); +#endif +} + + +IOHANDLE logfile = 0; +static void logger_file(const char *line) +{ + io_write(logfile, line, strlen(line)); + io_write(logfile, "\n", 1); + io_flush(logfile); +} + +void dbg_logger_stdout() { dbg_logger(logger_stdout); } +void dbg_logger_debugger() { dbg_logger(logger_debugger); } +void dbg_logger_file(const char *filename) +{ + logfile = io_open(filename, IOFLAG_WRITE); + if(logfile) + dbg_logger(logger_file); + else + dbg_msg("dbg/logger", "failed to open '%s' for logging", filename); + +} + +/* */ + +int memory_alloced = 0; + +struct memheader +{ + const char *filename; + int line; + int size; + struct memheader *prev; + struct memheader *next; +}; + +struct memtail +{ + int guard; +}; + +static struct memheader *first = 0; + +int mem_allocated() +{ + return memory_alloced; +} + +void *mem_alloc_debug(const char *filename, int line, unsigned size, unsigned alignment) +{ + /* TODO: fix alignment */ + /* TODO: add debugging */ + struct memheader *header = (struct memheader *)malloc(size+sizeof(struct memheader)+sizeof(struct memtail)); + struct memtail *tail = (struct memtail *)(((char*)(header+1))+size); + header->size = size; + header->filename = filename; + header->line = line; + memory_alloced += header->size; + + tail->guard = 0xbaadc0de; + + header->prev = (struct memheader *)0; + header->next = first; + if(first) + first->prev = header; + first = header; + + /*dbg_msg("mem", "++ %p", header+1); */ + return header+1; +} + +void mem_free(void *p) +{ + if(p) + { + struct memheader *header = (struct memheader *)p - 1; + struct memtail *tail = (struct memtail *)(((char*)(header+1))+header->size); + + if(tail->guard != 0xbaadc0de) + dbg_msg("mem", "!! %p", p); + /* dbg_msg("mem", "-- %p", p); */ + memory_alloced -= header->size; + + if(header->prev) + header->prev->next = header->next; + else + first = header->next; + if(header->next) + header->next->prev = header->prev; + + free(header); + } +} + +void mem_debug_dump() +{ + char buf[1024]; + struct memheader *header = first; + IOHANDLE f = io_open("memory.txt", IOFLAG_WRITE); + + while(header) + { + str_format(buf, sizeof(buf), "%s(%d): %d\n", header->filename, header->line, header->size); + io_write(f, buf, strlen(buf)); + header = header->next; + } + + io_close(f); +} + + +void mem_copy(void *dest, const void *source, unsigned size) +{ + memcpy(dest, source, size); +} + +void mem_move(void *dest, const void *source, unsigned size) +{ + memmove(dest, source, size); +} + +void mem_zero(void *block,unsigned size) +{ + memset(block, 0, size); +} + +IOHANDLE io_open(const char *filename, int flags) +{ + if(flags == IOFLAG_READ) + return (IOHANDLE)fopen(filename, "rb"); + if(flags == IOFLAG_WRITE) + return (IOHANDLE)fopen(filename, "wb"); + return 0x0; +} + +unsigned io_read(IOHANDLE io, void *buffer, unsigned size) +{ + return fread(buffer, 1, size, (FILE*)io); +} + +unsigned io_skip(IOHANDLE io, unsigned size) +{ + fseek((FILE*)io, size, SEEK_CUR); + return size; +} + +int io_seek(IOHANDLE io, int offset, int origin) +{ + int real_origin; + + switch(origin) + { + case IOSEEK_START: + real_origin = SEEK_SET; + break; + case IOSEEK_CUR: + real_origin = SEEK_CUR; + break; + case IOSEEK_END: + real_origin = SEEK_END; + } + + return fseek((FILE*)io, offset, origin); +} + +long int io_tell(IOHANDLE io) +{ + return ftell((FILE*)io); +} + +long int io_length(IOHANDLE io) +{ + long int length; + io_seek(io, 0, IOSEEK_END); + length = io_tell(io); + io_seek(io, 0, IOSEEK_START); + return length; +} + +unsigned io_write(IOHANDLE io, const void *buffer, unsigned size) +{ + return fwrite(buffer, 1, size, (FILE*)io); +} + +int io_close(IOHANDLE io) +{ + fclose((FILE*)io); + return 1; +} + +int io_flush(IOHANDLE io) +{ + fflush((FILE*)io); + return 0; +} + +void *thread_create(void (*threadfunc)(void *), void *u) +{ +#if defined(CONF_FAMILY_UNIX) + pthread_t id; + pthread_create(&id, NULL, (void *(*)(void*))threadfunc, u); + return (void*)id; +#elif defined(CONF_FAMILY_WINDOWS) + return CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)threadfunc, u, 0, NULL); +#else + #error not implemented +#endif +} + +void thread_wait(void *thread) +{ +#if defined(CONF_FAMILY_UNIX) + pthread_join((pthread_t)thread, NULL); +#elif defined(CONF_FAMILY_WINDOWS) + WaitForSingleObject((HANDLE)thread, INFINITE); +#else + #error not implemented +#endif +} + +void thread_destroy(void *thread) +{ +#if defined(CONF_FAMILY_UNIX) + void *r = 0; + pthread_join((pthread_t)thread, &r); +#else + /*#error not implemented*/ +#endif +} + +void thread_yield() +{ +#if defined(CONF_FAMILY_UNIX) + sched_yield(); +#elif defined(CONF_FAMILY_WINDOWS) + Sleep(0); +#else + #error not implemented +#endif +} + +void thread_sleep(int milliseconds) +{ +#if defined(CONF_FAMILY_UNIX) + usleep(milliseconds*1000); +#elif defined(CONF_FAMILY_WINDOWS) + Sleep(milliseconds); +#else + #error not implemented +#endif +} + + + + +#if defined(CONF_FAMILY_UNIX) +typedef pthread_mutex_t LOCKINTERNAL; +#elif defined(CONF_FAMILY_WINDOWS) +typedef CRITICAL_SECTION LOCKINTERNAL; +#else + #error not implemented on this platform +#endif + +LOCK lock_create() +{ + LOCKINTERNAL *lock = (LOCKINTERNAL*)mem_alloc(sizeof(LOCKINTERNAL), 4); + +#if defined(CONF_FAMILY_UNIX) + pthread_mutex_init(lock, 0x0); +#elif defined(CONF_FAMILY_WINDOWS) + InitializeCriticalSection((LPCRITICAL_SECTION)lock); +#else + #error not implemented on this platform +#endif + return (LOCK)lock; +} + +void lock_destroy(LOCK lock) +{ +#if defined(CONF_FAMILY_UNIX) + pthread_mutex_destroy((LOCKINTERNAL *)lock); +#elif defined(CONF_FAMILY_WINDOWS) + DeleteCriticalSection((LPCRITICAL_SECTION)lock); +#else + #error not implemented on this platform +#endif + mem_free(lock); +} + +int lock_try(LOCK lock) +{ +#if defined(CONF_FAMILY_UNIX) + return pthread_mutex_trylock((LOCKINTERNAL *)lock); +#elif defined(CONF_FAMILY_WINDOWS) + return TryEnterCriticalSection((LPCRITICAL_SECTION)lock); +#else + #error not implemented on this platform +#endif +} + +void lock_wait(LOCK lock) +{ +#if defined(CONF_FAMILY_UNIX) + pthread_mutex_lock((LOCKINTERNAL *)lock); +#elif defined(CONF_FAMILY_WINDOWS) + EnterCriticalSection((LPCRITICAL_SECTION)lock); +#else + #error not implemented on this platform +#endif +} + +void lock_release(LOCK lock) +{ +#if defined(CONF_FAMILY_UNIX) + pthread_mutex_unlock((LOCKINTERNAL *)lock); +#elif defined(CONF_FAMILY_WINDOWS) + LeaveCriticalSection((LPCRITICAL_SECTION)lock); +#else + #error not implemented on this platform +#endif +} + +/* ----- time ----- */ +int64 time_get() +{ +#if defined(CONF_FAMILY_UNIX) + struct timeval val; + gettimeofday(&val, NULL); + return (int64)val.tv_sec*(int64)1000000+(int64)val.tv_usec; +#elif defined(CONF_FAMILY_WINDOWS) + static int64 last = 0; + int64 t; + QueryPerformanceCounter((PLARGE_INTEGER)&t); + if(t<last) /* for some reason, QPC can return values in the past */ + return last; + last = t; + return t; +#else + #error not implemented +#endif +} + +int64 time_freq() +{ +#if defined(CONF_FAMILY_UNIX) + return 1000000; +#elif defined(CONF_FAMILY_WINDOWS) + int64 t; + QueryPerformanceFrequency((PLARGE_INTEGER)&t); + return t; +#else + #error not implemented +#endif +} + +/* ----- network ----- */ +static void netaddr_to_sockaddr(const NETADDR *src, struct sockaddr *dest) +{ + /* TODO: IPv6 support */ + struct sockaddr_in *p = (struct sockaddr_in *)dest; + mem_zero(p, sizeof(struct sockaddr_in)); + p->sin_family = AF_INET; + p->sin_port = htons(src->port); + p->sin_addr.s_addr = htonl(src->ip[0]<<24|src->ip[1]<<16|src->ip[2]<<8|src->ip[3]); +} + +static void sockaddr_to_netaddr(const struct sockaddr *src, NETADDR *dst) +{ + /* TODO: IPv6 support */ + unsigned int ip = htonl(((struct sockaddr_in*)src)->sin_addr.s_addr); + dst->type = NETTYPE_IPV4; + dst->port = htons(((struct sockaddr_in*)src)->sin_port); + dst->ip[0] = (unsigned char)((ip>>24)&0xFF); + dst->ip[1] = (unsigned char)((ip>>16)&0xFF); + dst->ip[2] = (unsigned char)((ip>>8)&0xFF); + dst->ip[3] = (unsigned char)(ip&0xFF); +} + +int net_addr_comp(const NETADDR *a, const NETADDR *b) +{ + return mem_comp(a, b, sizeof(NETADDR)); +} + +int net_host_lookup(const char *hostname, NETADDR *addr, int types) +{ + /* TODO: IPv6 support */ + struct addrinfo hints; + struct addrinfo *result; + int e; + + mem_zero(&hints, sizeof(hints)); + hints.ai_family = AF_INET; + + e = getaddrinfo(hostname, NULL, &hints, &result); + if(e != 0 || !result) + return -1; + + sockaddr_to_netaddr(result->ai_addr, addr); + freeaddrinfo(result); + addr->port = 0; + return 0; +} + +NETSOCKET net_udp_create(NETADDR bindaddr) +{ + /* TODO: IPv6 support */ + struct sockaddr addr; + unsigned int mode = 1; + int broadcast = 1; + + /* create socket */ + int sock = socket(AF_INET, SOCK_DGRAM, 0); + if(sock < 0) + return NETSOCKET_INVALID; + + /* bind, we should check for error */ + netaddr_to_sockaddr(&bindaddr, &addr); + if(bind(sock, &addr, sizeof(addr)) != 0) + { + net_udp_close(sock); + return NETSOCKET_INVALID; + } + + /* set non-blocking */ +#if defined(CONF_FAMILY_WINDOWS) + ioctlsocket(sock, FIONBIO, (unsigned long *)&mode); +#else + ioctl(sock, FIONBIO, (unsigned long *)&mode); +#endif + + /* set boardcast */ + setsockopt(sock, SOL_SOCKET, SO_BROADCAST, (const char*)&broadcast, sizeof(broadcast)); + + /* return */ + return sock; +} + +int net_udp_send(NETSOCKET sock, const NETADDR *addr, const void *data, int size) +{ + struct sockaddr sa; + int d; + mem_zero(&sa, sizeof(sa)); + netaddr_to_sockaddr(addr, &sa); + d = sendto((int)sock, (const char*)data, size, 0, &sa, sizeof(sa)); + if(d < 0) + dbg_msg("net", "sendto error %d %x", d, d); + network_stats.sent_bytes += size; + network_stats.sent_packets++; + return d; +} + +int net_udp_recv(NETSOCKET sock, NETADDR *addr, void *data, int maxsize) +{ + struct sockaddr from; + int bytes; + socklen_t fromlen = sizeof(struct sockaddr); + bytes = recvfrom(sock, (char*)data, maxsize, 0, &from, &fromlen); + if(bytes > 0) + { + sockaddr_to_netaddr(&from, addr); + network_stats.recv_bytes += bytes; + network_stats.recv_packets++; + return bytes; + } + else if(bytes == 0) + return 0; + return -1; /* error */ +} + +int net_udp_close(NETSOCKET sock) +{ +#if defined(CONF_FAMILY_WINDOWS) + closesocket(sock); +#else + close((int)sock); +#endif + return 0; +} + +NETSOCKET net_tcp_create(const NETADDR *a) +{ + /* TODO: IPv6 support */ + struct sockaddr addr; + + /* create socket */ + int sock = socket(AF_INET, SOCK_STREAM, 0); + if(sock < 0) + return NETSOCKET_INVALID; + + /* bind, we should check for error */ + netaddr_to_sockaddr(a, &addr); + bind(sock, &addr, sizeof(addr)); + + /* return */ + return sock; +} + +int net_tcp_set_non_blocking(NETSOCKET sock) +{ + unsigned int mode = 1; +#if defined(CONF_FAMILY_WINDOWS) + return ioctlsocket(sock, FIONBIO, (unsigned long *)&mode); +#else + return ioctl(sock, FIONBIO, (unsigned long *)&mode); +#endif +} + +int net_tcp_set_blocking(NETSOCKET sock) +{ + unsigned int mode = 0; +#if defined(CONF_FAMILY_WINDOWS) + return ioctlsocket(sock, FIONBIO, (unsigned long *)&mode); +#else + return ioctl(sock, FIONBIO, (unsigned long *)&mode); +#endif +} + +int net_tcp_listen(NETSOCKET sock, int backlog) +{ + return listen(sock, backlog); +} + +int net_tcp_accept(NETSOCKET sock, NETSOCKET *new_sock, NETADDR *a) +{ + int s; + socklen_t sockaddr_len; + struct sockaddr addr; + + sockaddr_len = sizeof(addr); + + s = accept(sock, &addr, &sockaddr_len); + + if (s != -1) + { + sockaddr_to_netaddr(&addr, a); + *new_sock = s; + } + return s; +} + +int net_tcp_connect(NETSOCKET sock, const NETADDR *a) +{ + struct sockaddr addr; + + netaddr_to_sockaddr(a, &addr); + return connect(sock, &addr, sizeof(addr)); +} + +int net_tcp_connect_non_blocking(NETSOCKET sock, const NETADDR *a) +{ + struct sockaddr addr; + int res; + + netaddr_to_sockaddr(a, &addr); + net_tcp_set_non_blocking(sock); + res = connect(sock, &addr, sizeof(addr)); + net_tcp_set_blocking(sock); + + return res; +} + +int net_tcp_send(NETSOCKET sock, const void *data, int size) +{ + int d; + d = send((int)sock, (const char*)data, size, 0); + return d; +} + +int net_tcp_recv(NETSOCKET sock, void *data, int maxsize) +{ + int bytes; + bytes = recv((int)sock, (char*)data, maxsize, 0); + return bytes; +} + +int net_tcp_close(NETSOCKET sock) +{ +#if defined(CONF_FAMILY_WINDOWS) + closesocket(sock); +#else + close((int)sock); +#endif + return 0; +} + +int net_errno() +{ + return errno; +} + +int net_would_block() +{ + return net_errno() == EWOULDBLOCK; +} + +int net_init() +{ +#if defined(CONF_FAMILY_WINDOWS) + WSADATA wsaData; + int err = WSAStartup(MAKEWORD(1, 1), &wsaData); + dbg_assert(err == 0, "network initialization failed."); + return err==0?0:1; +#endif + + return 0; +} + +int fs_listdir(const char *dir, fs_listdir_callback cb, void *user) +{ +#if defined(CONF_FAMILY_WINDOWS) + WIN32_FIND_DATA finddata; + HANDLE handle; + char buffer[1024*2]; + str_format(buffer, sizeof(buffer), "%s/*", dir); + + handle = FindFirstFileA(buffer, &finddata); + + if (handle == INVALID_HANDLE_VALUE) + return 0; + + /* add all the entries */ + do + { + if(finddata.cFileName[0] != '.') + cb(finddata.cFileName, 0, user); + } while (FindNextFileA(handle, &finddata)); + + FindClose(handle); + return 0; +#else + struct dirent *entry; + DIR *d = opendir(dir); + + if(!d) + return 0; + + while((entry = readdir(d)) != NULL) + cb(entry->d_name, 0, user); + + /* close the directory and return */ + closedir(d); + return 0; +#endif +} + +int fs_storage_path(const char *appname, char *path, int max) +{ +#if defined(CONF_FAMILY_WINDOWS) + HRESULT r; + char *home = getenv("APPDATA"); + if(!home) + return -1; + _snprintf(path, max, "%s/%s", home, appname); + return 0; +#else + char *home = getenv("HOME"); + int i; + if(!home) + return -1; + +#if defined(CONF_PLATFORM_MACOSX) + snprintf(path, max, "%s/Library/Application Support/%s", home, appname); +#else + snprintf(path, max, "%s/.%s", home, appname); + for(i = strlen(home)+2; path[i]; i++) + path[i] = tolower(path[i]); +#endif + + return 0; +#endif +} + +int fs_makedir(const char *path) +{ +#if defined(CONF_FAMILY_WINDOWS) + if(_mkdir(path) == 0) + return 0; + if(errno == EEXIST) + return 0; + return -1; +#else + if(mkdir(path, 0755) == 0) + return 0; + if(errno == EEXIST) + return 0; + return -1; +#endif +} + +void swap_endian(void *data, unsigned elem_size, unsigned num) +{ + char *src = (char*) data; + char *dst = src + (elem_size - 1); + + while(num) + { + unsigned n = elem_size>>1; + char tmp; + while(n) + { + tmp = *src; + *src = *dst; + *dst = tmp; + + src++; + dst--; + n--; + } + + src = src + (elem_size>>1); + dst = src + (elem_size - 1); + num--; + } +} + +int net_socket_read_wait(NETSOCKET sock, int time) +{ + struct timeval tv; + fd_set readfds; + + tv.tv_sec = 0; + tv.tv_usec = 1000*time; + + FD_ZERO(&readfds); + FD_SET(sock, &readfds); + + /* don't care about writefds and exceptfds */ + select(sock+1, &readfds, NULL, NULL, &tv); + if(FD_ISSET(sock, &readfds)) + return 1; + return 0; +} + +unsigned time_timestamp() +{ + return time(0); +} + +void str_append(char *dst, const char *src, int dst_size) +{ + int s = strlen(dst); + int i = 0; + while(s < dst_size) + { + dst[s] = src[i]; + if(!src[i]) /* check for null termination */ + break; + s++; + i++; + } + + dst[dst_size-1] = 0; /* assure null termination */ +} + +void str_copy(char *dst, const char *src, int dst_size) +{ + strncpy(dst, src, dst_size); + dst[dst_size-1] = 0; /* assure null termination */ +} + +void str_format(char *buffer, int buffer_size, const char *format, ...) +{ +#if defined(CONF_FAMILY_WINDOWS) + va_list ap; + va_start(ap, format); + _vsnprintf(buffer, buffer_size, format, ap); + va_end(ap); +#else + va_list ap; + va_start(ap, format); + vsnprintf(buffer, buffer_size, format, ap); + va_end(ap); +#endif + + buffer[buffer_size-1] = 0; /* assure null termination */ +} + + + +/* makes sure that the string only contains the characters between 32 and 127 */ +void str_sanitize_strong(char *str_in) +{ + unsigned char *str = (unsigned char *)str_in; + while(*str) + { + *str &= 0x7f; + if(*str < 32) + *str = 32; + str++; + } +} + +/* makes sure that the string only contains the characters between 32 and 255 + \r\n\t */ +void str_sanitize(char *str_in) +{ + unsigned char *str = (unsigned char *)str_in; + while(*str) + { + if(*str < 32 && !(*str == '\r') && !(*str == '\n') && !(*str == '\t')) + *str = ' '; + str++; + } +} + +/* case */ +int str_comp_nocase(const char *a, const char *b) +{ +#if defined(CONF_FAMILY_WINDOWS) + return _stricmp(a,b); +#else + return strcasecmp(a,b); +#endif +} + +const char *str_find_nocase(const char *haystack, const char *needle) +{ + while(*haystack) /* native implementation */ + { + const char *a = haystack; + const char *b = needle; + while(*a && *b && tolower(*a) == tolower(*b)) + { + a++; + b++; + } + if(!(*b)) + return haystack; + haystack++; + } + + return 0; +} + +void str_hex(char *dst, int dst_size, const void *data, int data_size) +{ + static const char hex[] = "0123456789ABCDEF"; + int b; + + for(b = 0; b < data_size && b < dst_size/4-4; b++) + { + dst[b*3] = hex[((const unsigned char *)data)[b]>>4]; + dst[b*3+1] = hex[((const unsigned char *)data)[b]&0xf]; + dst[b*3+2] = ' '; + dst[b*3+3] = 0; + } +} + +int mem_comp(const void *a, const void *b, int size) +{ + return memcmp(a,b,size); +} + +void net_stats(NETSTATS *stats_inout) +{ + *stats_inout = network_stats; +} + +#if defined(__cplusplus) +} +#endif diff --git a/src/base/system.h b/src/base/system.h new file mode 100644 index 00000000..4449907c --- /dev/null +++ b/src/base/system.h @@ -0,0 +1,881 @@ +/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */ + +/* + Title: OS Abstraction +*/ + +#ifndef BASE_SYSTEM_H +#define BASE_SYSTEM_H + +#include "detect.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Group: Debug */ +/* + Function: dbg_assert + Breaks into the debugger based on a test. + + Parameters: + test - Result of the test. + msg - Message that should be printed if the test fails. + + Remarks: + Does nothing in release version of the library. + + See Also: + <dbg_break> +*/ +void dbg_assert(int test, const char *msg); +#define dbg_assert(test,msg) dbg_assert_imp(__FILE__, __LINE__, test, msg) +void dbg_assert_imp(const char *filename, int line, int test, const char *msg); + +/* + Function: dbg_break + Breaks into the debugger. + + Remarks: + Does nothing in release version of the library. + + See Also: + <dbg_assert> +*/ +void dbg_break(); + +/* + Function: dbg_msg + + Prints a debug message. + + Parameters: + sys - A string that describes what system the message belongs to + fmt - A printf styled format string. + + Remarks: + Does nothing in relase version of the library. + + See Also: + <dbg_assert> +*/ +void dbg_msg(const char *sys, const char *fmt, ...); + +/* Group: Memory */ + +/* + Function: mem_alloc + Allocates memory. + + Parameters: + size - Size of the needed block. + alignment - Alignment for the block. + + Returns: + Returns a pointer to the newly allocated block. Returns a + null pointer if the memory couldn't be allocated. + + Remarks: + - Passing 0 to size will allocated the smallest amount possible + and return a unique pointer. + + See Also: + <mem_free> +*/ +void *mem_alloc_debug(const char *filename, int line, unsigned size, unsigned alignment); +#define mem_alloc(s,a) mem_alloc_debug(__FILE__, __LINE__, (s), (a)) + +/* + Function: mem_free + Frees a block allocated through <mem_alloc>. + + Remarks: + - In the debug version of the library the function will assert if + a non-valid block is passed, like a null pointer or a block that + isn't allocated. + + See Also: + <mem_alloc> +*/ +void mem_free(void *block); + +/* + Function: mem_copy + Copies a a memory block. + + Parameters: + dest - Destination. + source - Source to copy. + size - Size of the block to copy. + + Remarks: + - This functions DOES NOT handles cases where source and + destination is overlapping. + + See Also: + <mem_move> +*/ +void mem_copy(void *dest, const void *source, unsigned size); + +/* + Function: mem_move + Copies a a memory block + + Parameters: + dest - Destination + source - Source to copy + size - Size of the block to copy + + Remarks: + - This functions handles cases where source and destination + is overlapping + + See Also: + <mem_copy> +*/ +void mem_move(void *dest, const void *source, unsigned size); + +/* + Function: mem_zero + Sets a complete memory block to 0 + + Parameters: + block - Pointer to the block to zero out + size - Size of the block +*/ +void mem_zero(void *block, unsigned size); + +/* + Function: mem_comp + Compares two blocks of memory + + Parameters: + a - First block of data + b - Second block of data + size - Size of the data to compare + + Returns: + <0 - Block a is lesser then block b + 0 - Block a is equal to block b + >0 - Block a is greater then block b +*/ +int mem_comp(const void *a, const void *b, int size); + +/* Group: File IO */ +enum { + IOFLAG_READ = 1, + IOFLAG_WRITE = 2, + IOFLAG_RANDOM = 4, + + IOSEEK_START = 0, + IOSEEK_CUR = 1, + IOSEEK_END = 2 +}; + +typedef struct IOINTERNAL *IOHANDLE; + +/* + Function: io_open + Opens a file. + + Parameters: + filename - File to open. + flags - A set of flags. IOFLAG_READ, IOFLAG_WRITE, IOFLAG_RANDOM. + + Returns: + Returns a handle to the file on success and 0 on failure. + +*/ +IOHANDLE io_open(const char *filename, int flags); + +/* + Function: io_read + Reads data into a buffer from a file. + + Parameters: + io - Handle to the file to read data from. + buffer - Pointer to the buffer that will recive the data. + size - Number of bytes to read from the file. + + Returns: + Number of bytes read. + +*/ +unsigned io_read(IOHANDLE io, void *buffer, unsigned size); + +/* + Function: io_skip + Skips data in a file. + + Parameters: + io - Handle to the file. + size - Number of bytes to skip. + + Returns: + Number of bytes skipped. +*/ +unsigned io_skip(IOHANDLE io, unsigned size); + +/* + Function: io_write + Writes data from a buffer to file. + + Parameters: + io - Handle to the file. + buffer - Pointer to the data that should be written. + size - Number of bytes to write. + + Returns: + Number of bytes written. +*/ +unsigned io_write(IOHANDLE io, const void *buffer, unsigned size); + +/* + Function: io_seek + Seeks to a specified offset in the file. + + Parameters: + io - Handle to the file. + offset - Offset from pos to stop. + origin - Position to start searching from. + + Returns: + Returns 0 on success. +*/ +int io_seek(IOHANDLE io, int offset, int origin); + +/* + Function: io_tell + Gets the current position in the file. + + Parameters: + io - Handle to the file. + + Returns: + Returns the current position. -1L if an error occured. +*/ +long int io_tell(IOHANDLE io); + +/* + Function: io_length + Gets the total length of the file. Resetting cursor to the beginning + + Parameters: + io - Handle to the file. + + Returns: + Returns the total size. -1L if an error occured. +*/ +long int io_length(IOHANDLE io); + +/* + Function: io_close + Closes a file. + + Parameters: + io - Handle to the file. + + Returns: + Returns 0 on success. +*/ +int io_close(IOHANDLE io); + +/* + Function: io_flush + Empties all buffers and writes all pending data. + + Parameters: + io - Handle to the file. + + Returns: + Returns 0 on success. +*/ +int io_flush(IOHANDLE io); + + +/* + Function: io_stdin + Returns an <IOHANDLE> to the standard input. +*/ +IOHANDLE io_stdin(); + +/* + Function: io_stdout + Returns an <IOHANDLE> to the standard output. +*/ +IOHANDLE io_stdout(); + +/* + Function: io_stderr + Returns an <IOHANDLE> to the standard error. +*/ +IOHANDLE io_stderr(); + + +/* Group: Threads */ + +/* + Function: thread_sleep + Suspends the current thread for a given period. + + Parameters: + milliseconds - Number of milliseconds to sleep. +*/ +void thread_sleep(int milliseconds); + +/* + Function: thread_create + Creates a new thread. + + Parameters: + threadfunc - Entry point for the new thread. + user - Pointer to pass to the thread. + +*/ +void *thread_create(void (*threadfunc)(void *), void *user); + +/* + Function: thread_wait + Waits for a thread to be done or destroyed. + + Parameters: + thread - Thread to wait for. +*/ +void thread_wait(void *thread); + +/* + Function: thread_destoy + Destroys a thread. + + Parameters: + thread - Thread to destroy. +*/ +void thread_destroy(void *thread); + +/* + Function: thread_yeild + Yeild the current threads execution slice. +*/ +void thread_yield(); + + +/* Group: Locks */ +typedef void* LOCK; + +LOCK lock_create(); +void lock_destroy(LOCK lock); + +int lock_try(LOCK lock); +void lock_wait(LOCK lock); +void lock_release(LOCK lock); + +/* Group: Timer */ +#ifdef __GNUC__ +/* if compiled with -pedantic-errors it will complain about long + not being a C90 thing. +*/ +__extension__ typedef long long int64; +#else +typedef long long int64; +#endif +/* + Function: time_get + Fetches a sample from a high resolution timer. + + Returns: + Current value of the timer. + + Remarks: + To know how fast the timer is ticking, see <time_freq>. +*/ +int64 time_get(); + +/* + Function: time_freq + Returns the frequency of the high resolution timer. + + Returns: + Returns the frequency of the high resolution timer. +*/ +int64 time_freq(); + +/* + Function: time_timestamp + Retrives the current time as a UNIX timestamp + + Returns: + The time as a UNIX timestamp +*/ +unsigned time_timestamp(); + +/* Group: Network General */ +typedef int NETSOCKET; +enum +{ + NETSOCKET_INVALID = -1, + + NETTYPE_INVALID = 0, + NETTYPE_IPV4 = 1, + NETTYPE_IPV6 = 2, + NETTYPE_ALL = ~0 +}; + +typedef struct +{ + unsigned int type; + unsigned char ip[16]; + unsigned short port; +} NETADDR; + +/* + Function: net_init + Initiates network functionallity. + + Returns: + Returns 0 on success, + + Remarks: + You must call this function before using any other network + functions. +*/ +int net_init(); + +/* + Function: net_host_lookup + Does a hostname lookup by name and fills out the passed + NETADDR struct with the recieved details. + + Returns: + 0 on success. +*/ +int net_host_lookup(const char *hostname, NETADDR *addr, int types); + +/* + Function: net_addr_comp + Compares two network addresses. + + Parameters: + a - Address to compare + b - Address to compare to. + + Returns: + <0 - Address a is lesser then address b + 0 - Address a is equal to address b + >0 - Address a is greater then address b +*/ +int net_addr_comp(const NETADDR *a, const NETADDR *b); + +/* + Function: net_addr_str + Turns a network address into a representive string. + + Parameters: + addr - Address to turn into a string. + string - Buffer to fill with the string. + max_length - Maximum size of the string. + + Remarks: + - The string will always be zero terminated + +*/ +int net_addr_str(const NETADDR *addr, char *string, int max_length); + +/* Group: Network UDP */ + +/* + Function: net_udp_create + Creates a UDP socket and binds it to a port. + + Parameters: + bindaddr - Address to bind the socket to. + + Returns: + On success it returns an handle to the socket. On failure it + returns NETSOCKET_INVALID. +*/ +NETSOCKET net_udp_create(NETADDR bindaddr); + +/* + Function: net_udp_send + Sends a packet over an UDP socket. + + Parameters: + sock - Socket to use. + addr - Where to send the packet. + data - Pointer to the packet data to send. + size - Size of the packet. + + Returns: + On success it returns the number of bytes sent. Returns -1 + on error. +*/ +int net_udp_send(NETSOCKET sock, const NETADDR *addr, const void *data, int size); + +/* + Function: net_udp_recv + Recives a packet over an UDP socket. + + Parameters: + sock - Socket to use. + addr - Pointer to an NETADDR that will recive the address. + data - Pointer to a buffer that will recive the data. + maxsize - Maximum size to recive. + + Returns: + On success it returns the number of bytes recived. Returns -1 + on error. +*/ +int net_udp_recv(NETSOCKET sock, NETADDR *addr, void *data, int maxsize); + +/* + Function: net_udp_close + Closes an UDP socket. + + Parameters: + sock - Socket to close. + + Returns: + Returns 0 on success. -1 on error. +*/ +int net_udp_close(NETSOCKET sock); + + +/* Group: Network TCP */ + +/* + Function: net_tcp_create + Creates a TCP socket. + + Parameters: + bindaddr - Address to bind the socket to. + + Returns: + On success it returns an handle to the socket. On failure it returns NETSOCKET_INVALID. +*/ +NETSOCKET net_tcp_create(const NETADDR *a); + +/* + Function: net_tcp_listen + Makes the socket start listening for new connections. + + Parameters: + sock - Socket to start listen to. + backlog - Size of the queue of incomming connections to keep. + + Returns: + Returns 0 on success. +*/ +int net_tcp_listen(NETSOCKET sock, int backlog); + +/* + Function: net_tcp_accept + Polls a listning socket for a new connection. + + Parameters: + sock - Listning socket to poll. + new_sock - Pointer to a socket to fill in with the new socket. + addr - Pointer to an address that will be filled in the remote address (optional, can be NULL). + + Returns: + Returns a non-negative integer on success. Negative integer on failure. +*/ +int net_tcp_accept(NETSOCKET sock, NETSOCKET *new_sock, NETADDR *addr); + +/* + Function: net_tcp_connect + Connects one socket to another. + + Parameters: + sock - Socket to connect. + addr - Address to connect to. + + Returns: + Returns 0 on success. + +*/ +int net_tcp_connect(NETSOCKET sock, const NETADDR *addr); + +/* + Function: net_tcp_send + Sends data to a TCP stream. + + Parameters: + sock - Socket to send data to. + data - Pointer to the data to send. + size - Size of the data to send. + + Returns: + Number of bytes sent. Negative value on failure. +*/ +int net_tcp_send(NETSOCKET sock, const void *data, int size); + +/* + Function: net_tcp_recv + Recvives data from a TCP stream. + + Parameters: + sock - Socket to recvive data from. + data - Pointer to a buffer to write the data to + max_size - Maximum of data to write to the buffer. + + Returns: + Number of bytes recvived. Negative value on failure. +*/ +int net_tcp_recv(NETSOCKET sock, void *data, int maxsize); + +/* + Function: net_tcp_close + Closes a TCP socket. + + Parameters: + sock - Socket to close. + + Returns: + Returns 0 on success. Negative value on failure. +*/ +int net_tcp_close(NETSOCKET sock); + +/* Group: Strings */ + +/* + Function: str_append + Appends a string to another. + + Parameters: + dst - Pointer to a buffer that contains a string. + src - String to append. + dst_size - Size of the buffer of the dst string. + + Remarks: + - The strings are treated as zero-termineted strings. + - Garantees that dst string will contain zero-termination. +*/ +void str_append(char *dst, const char *src, int dst_size); + +/* + Function: str_copy + Copies a string to another. + + Parameters: + dst - Pointer to a buffer that shall recive the string. + src - String to be copied. + dst_size - Size of the buffer dst. + + Remarks: + - The strings are treated as zero-termineted strings. + - Garantees that dst string will contain zero-termination. +*/ +void str_copy(char *dst, const char *src, int dst_size); + +/* + Function: str_format + Performs printf formating into a buffer. + + Parameters: + buffer - Pointer to the buffer to recive the formated string. + buffer_size - Size of the buffer. + format - printf formating string. + ... - Parameters for the formating. + + Remarks: + - See the C manual for syntax for the printf formating string. + - The strings are treated as zero-termineted strings. + - Garantees that dst string will contain zero-termination. +*/ +void str_format(char *buffer, int buffer_size, const char *format, ...); + +/* + Function: str_sanitize_strong + Replaces all characters below 32 and above 127 with whitespace. + + Parameters: + str - String to sanitize. + + Remarks: + - The strings are treated as zero-termineted strings. +*/ +void str_sanitize_strong(char *str); + +/* + Function: str_sanitize + Replaces all characters below 32 and above 127 with whitespace with + exception to \r, \n and \r. + + Parameters: + str - String to sanitize. + + Remarks: + - The strings are treated as zero-termineted strings. +*/ +void str_sanitize(char *str); + +/* + Function: str_comp_nocase + Compares to strings case insensitive. + + Parameters: + a - String to compare. + b - String to compare. + + Returns: + <0 - String a is lesser then string b + 0 - String a is equal to string b + >0 - String a is greater then string b + + Remarks: + - Only garanted to work with a-z/A-Z. + - The strings are treated as zero-termineted strings. +*/ +int str_comp_nocase(const char *a, const char *b); + +/* + Function: str_find_nocase + Finds a string inside another string case insensitive. + + Parameters: + haystack - String to search in + needle - String to search for + + Returns: + A pointer into haystack where the needle was found. + Returns NULL of needle could not be found. + + Remarks: + - Only garanted to work with a-z/A-Z. + - The strings are treated as zero-termineted strings. +*/ +const char *str_find_nocase(const char *haystack, const char *needle); + + +/* + Function: str_hex + Takes a datablock and generates a hexstring of it. + + Parameters: + dst - Buffer to fill with hex data + dst_size - size of the buffer + data - Data to turn into hex + data - Size of the data + + Remarks: + - The desination buffer will be zero-terminated +*/ +void str_hex(char *dst, int dst_size, const void *data, int data_size); + +/* Group: Filesystem */ + +/* + Function: fs_listdir + Lists the files in a directory + + Parameters: + dir - Directory to list + cb - Callback function to call for each entry + user - Pointer to give to the callback + + Returns: + Always returns 0. +*/ +typedef void (*fs_listdir_callback)(const char *name, int is_dir, void *user); +int fs_listdir(const char *dir, fs_listdir_callback cb, void *user); + +/* + Function: fs_makedir + Creates a directory + + Parameters: + path - Directory to create + + Returns: + Returns 0 on success. Negative value on failure. + + Remarks: + Does not create several directories if needed. "a/b/c" will result + in a failure if b or a does not exist. +*/ +int fs_makedir(const char *path); + +/* + Function: fs_storage_path + Fetches per user configuration directory. + + Returns: + Returns 0 on success. Negative value on failure. + + Remarks: + - Returns ~/.appname on UNIX based systems + - Returns ~/Library/Applications Support/appname on Mac OS X + - Returns %APPDATA%/Appname on Windows based systems +*/ +int fs_storage_path(const char *appname, char *path, int max); + + +/* + Group: Undocumented +*/ + + +/* + Function: net_tcp_connect_non_blocking + + DOCTODO: serp +*/ +int net_tcp_connect_non_blocking(NETSOCKET sock, const NETADDR *a); + +/* + Function: net_tcp_set_non_blocking + + DOCTODO: serp +*/ +int net_tcp_set_non_blocking(NETSOCKET sock); + +/* + Function: net_tcp_set_non_blocking + + DOCTODO: serp +*/ +int net_tcp_set_blocking(NETSOCKET sock); + +/* + Function: net_errno + + DOCTODO: serp +*/ +int net_errno(); + +/* + Function: net_would_block + + DOCTODO: serp +*/ +int net_would_block(); + +int net_socket_read_wait(NETSOCKET sock, int time); + +void mem_debug_dump(); +int mem_allocated(); + +void swap_endian(void *data, unsigned elem_size, unsigned num); + +typedef void (*DBG_LOGGER)(const char *line); +void dbg_logger(DBG_LOGGER logger); +void dbg_logger_stdout(); +void dbg_logger_debugger(); +void dbg_logger_file(const char *filename); + +typedef struct +{ + int sent_packets; + int sent_bytes; + int recv_packets; + int recv_bytes; +} NETSTATS; + + +void net_stats(NETSTATS *stats); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/base/vmath.hpp b/src/base/vmath.hpp new file mode 100644 index 00000000..49dd26d1 --- /dev/null +++ b/src/base/vmath.hpp @@ -0,0 +1,196 @@ +/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */ +#ifndef BASE_VMATH_H +#define BASE_VMATH_H + +// ------------------------------------ + +template<typename T> +class vector2_base +{ +public: + union { T x,u; }; + union { T y,v; }; + + vector2_base() {} + vector2_base(float nx, float ny) + { + x = nx; + y = ny; + } + + vector2_base operator -() const { return vector2_base(-x, -y); } + vector2_base operator -(const vector2_base &v) const { return vector2_base(x-v.x, y-v.y); } + vector2_base operator +(const vector2_base &v) const { return vector2_base(x+v.x, y+v.y); } + vector2_base operator *(const T v) const { return vector2_base(x*v, y*v); } + + const vector2_base &operator =(const vector2_base &v) { x = v.x; y = v.y; return *this; } + + const vector2_base &operator +=(const vector2_base &v) { x += v.x; y += v.y; return *this; } + const vector2_base &operator -=(const vector2_base &v) { x -= v.x; y -= v.y; return *this; } + const vector2_base &operator *=(const T v) { x *= v; y *= v; return *this; } + + bool operator ==(const vector2_base &v) const { return x == v.x && y == v.y; } //TODO: do this with an eps instead + + operator const T* () { return &x; } +}; + + +template<typename T> +inline T length(const vector2_base<T> &a) +{ + return sqrtf(a.x*a.x + a.y*a.y); +} + +template<typename T> +inline T distance(const vector2_base<T> a, const vector2_base<T> &b) +{ + return length(a-b); +} + +template<typename T> +inline T dot(const vector2_base<T> a, const vector2_base<T> &b) +{ + return a.x*b.x + a.y*b.y; +} + +template<typename T> +inline vector2_base<T> normalize(const vector2_base<T> &v) +{ + T l = (T)(1.0f/sqrtf(v.x*v.x + v.y*v.y)); + return vector2_base<T>(v.x*l, v.y*l); +} + +typedef vector2_base<float> vec2; +typedef vector2_base<bool> bvec2; +typedef vector2_base<int> ivec2; + +template<typename T> +inline vector2_base<T> closest_point_on_line(vector2_base<T> line_point0, vector2_base<T> line_point1, vector2_base<T> target_point) +{ + vector2_base<T> c = target_point - line_point0; + vector2_base<T> v = (line_point1 - line_point0); + v = normalize(v); + T d = length(line_point0-line_point1); + T t = dot(v, c)/d; + return mix(line_point0, line_point1, clamp(t, (T)0, (T)1)); + /* + if (t < 0) t = 0; + if (t > 1.0f) return 1.0f; + return t;*/ +} + +// ------------------------------------ +template<typename T> +class vector3_base +{ +public: + union { T x,r,h; }; + union { T y,g,s; }; + union { T z,b,v,l; }; + + vector3_base() {} + vector3_base(float nx, float ny, float nz) + { + x = nx; + y = ny; + z = nz; + } + + const vector3_base &operator =(const vector3_base &v) { x = v.x; y = v.y; z = v.z; return *this; } + + vector3_base operator -(const vector3_base &v) const { return vector3_base(x-v.x, y-v.y, z-v.z); } + vector3_base operator -() const { return vector3_base(-x, -y, -z); } + vector3_base operator +(const vector3_base &v) const { return vector3_base(x+v.x, y+v.y, z+v.z); } + vector3_base operator *(const T v) const { return vector3_base(x*v, y*v, z*v); } + vector3_base operator *(const vector3_base &v) const { return vector3_base(x*v.x, y*v.y, z*v.z); } + vector3_base operator /(const T v) const { return vector3_base(x/v, y/v, z/v); } + + const vector3_base &operator +=(const vector3_base &v) { x += v.x; y += v.y; z += v.z; return *this; } + const vector3_base &operator -=(const vector3_base &v) { x -= v.x; y -= v.y; z -= v.z; return *this; } + const vector3_base &operator *=(const T v) { x *= v; y *= v; z *= v; return *this; } + + bool operator ==(const vector3_base &v) const { return x == v.x && y == v.y && z == v.z; } //TODO: do this with an eps instead + + operator const T* () { return &x; } +}; + +template<typename T> +inline T length(const vector3_base<T> &a) +{ + return sqrtf(a.x*a.x + a.y*a.y + a.z*a.z); +} + +template<typename T> +inline T distance(const vector3_base<T> &a, const vector3_base<T> &b) +{ + return length(a-b); +} + +template<typename T> +inline T dot(const vector3_base<T> &a, const vector3_base<T> &b) +{ + return a.x*b.x + a.y*b.y + a.z*b.z; +} + +template<typename T> +inline vector3_base<T> normalize(const vector3_base<T> &v) +{ + T l = (T)(1.0f/sqrtf(v.x*v.x + v.y*v.y + v.z*v.z)); + return vector3_base<T>(v.x*l, v.y*l, v.z*l); +} + +template<typename T> +inline vector3_base<T> cross(const vector3_base<T> &a, const vector3_base<T> &b) +{ + return vector3_base<T>( + a.y*b.z - a.z*b.y, + a.z*b.x - a.x*b.z, + a.x*b.y - a.y*b.x); +} + +typedef vector3_base<float> vec3; +typedef vector3_base<bool> bvec3; +typedef vector3_base<int> ivec3; + +// ------------------------------------ + +template<typename T> +class vector4_base +{ +public: + union { T x,r; }; + union { T y,g; }; + union { T z,b; }; + union { T w,a; }; + + vector4_base() {} + vector4_base(float nx, float ny, float nz, float nw) + { + x = nx; + y = ny; + z = nz; + w = nw; + } + + vector4_base operator +(const vector4_base &v) const { return vector4_base(x+v.x, y+v.y, z+v.z, w+v.w); } + vector4_base operator -(const vector4_base &v) const { return vector4_base(x-v.x, y-v.y, z-v.z, w-v.w); } + vector4_base operator -() const { return vector4_base(-x, -y, -z, -w); } + vector4_base operator *(const vector4_base &v) const { return vector4_base(x*v.x, y*v.y, z*v.z, w*v.w); } + vector4_base operator *(const T v) const { return vector4_base(x*v, y*v, z*v, w*v); } + + const vector4_base &operator =(const vector4_base &v) { x = v.x; y = v.y; z = v.z; w = v.w; return *this; } + + const vector4_base &operator +=(const vector4_base &v) { x += v.x; y += v.y; z += v.z; w += v.w; return *this; } + const vector4_base &operator -=(const vector4_base &v) { x -= v.x; y -= v.y; z -= v.z; w -= v.w; return *this; } + const vector4_base &operator *=(const T v) { x *= v; y *= v; z *= v; w *= v; return *this; } + + bool operator ==(const vector4_base &v) const { return x == v.x && y == v.y && z == v.z && w == v.w; } //TODO: do this with an eps instead + + operator const T* () { return &x; } +}; + +typedef vector4_base<float> vec4; +typedef vector4_base<bool> bvec4; +typedef vector4_base<int> ivec4; + +#endif |