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Diffstat (limited to 'code/client/libmumblelink.c')
| -rw-r--r-- | code/client/libmumblelink.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/code/client/libmumblelink.c b/code/client/libmumblelink.c new file mode 100644 index 0000000..e2e1c42 --- /dev/null +++ b/code/client/libmumblelink.c @@ -0,0 +1,185 @@ +/* libmumblelink.c -- mumble link interface + + Copyright (C) 2008 Ludwig Nussel <ludwig.nussel@suse.de> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + +*/ + +#ifdef WIN32 +#include <windows.h> +#define uint32_t UINT32 +#else +#include <unistd.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> +#endif + +#include <fcntl.h> +#include <inttypes.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +#include "libmumblelink.h" + +#ifndef MIN +#define MIN(a, b) ((a)<(b)?(a):(b)) +#endif + +typedef struct +{ + uint32_t uiVersion; + uint32_t uiTick; + float fAvatarPosition[3]; + float fAvatarFront[3]; + float fAvatarTop[3]; + wchar_t name[256]; + /* new in mumble 1.2 */ + float fCameraPosition[3]; + float fCameraFront[3]; + float fCameraTop[3]; + wchar_t identity[256]; + uint32_t context_len; + unsigned char context[256]; + wchar_t description[2048]; +} LinkedMem; + +static LinkedMem *lm = NULL; + +#ifdef WIN32 +static HANDLE hMapObject = NULL; +#else +static int32_t GetTickCount(void) +{ + struct timeval tv; + gettimeofday(&tv,NULL); + + return tv.tv_usec / 1000 + tv.tv_sec * 1000; +} +#endif + +int mumble_link(const char* name) +{ +#ifdef WIN32 + if(lm) + return 0; + + hMapObject = OpenFileMappingW(FILE_MAP_ALL_ACCESS, FALSE, L"MumbleLink"); + if (hMapObject == NULL) + return -1; + + lm = (LinkedMem *) MapViewOfFile(hMapObject, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(LinkedMem)); + if (lm == NULL) { + CloseHandle(hMapObject); + hMapObject = NULL; + return -1; + } +#else + char file[256]; + int shmfd; + if(lm) + return 0; + + snprintf(file, sizeof (file), "/MumbleLink.%d", getuid()); + shmfd = shm_open(file, O_RDWR, S_IRUSR | S_IWUSR); + if(shmfd < 0) { + return -1; + } + + lm = (LinkedMem *) (mmap(NULL, sizeof(LinkedMem), PROT_READ | PROT_WRITE, MAP_SHARED, shmfd,0)); + if (lm == (void *) (-1)) { + lm = NULL; + close(shmfd); + return -1; + } + close(shmfd); +#endif + memset(lm, 0, sizeof(LinkedMem)); + mbstowcs(lm->name, name, sizeof(lm->name)); + + return 0; +} + +void mumble_update_coordinates(float fPosition[3], float fFront[3], float fTop[3]) +{ + mumble_update_coordinates2(fPosition, fFront, fTop, fPosition, fFront, fTop); +} + +void mumble_update_coordinates2(float fAvatarPosition[3], float fAvatarFront[3], float fAvatarTop[3], + float fCameraPosition[3], float fCameraFront[3], float fCameraTop[3]) +{ + if (!lm) + return; + + memcpy(lm->fAvatarPosition, fAvatarPosition, sizeof(lm->fAvatarPosition)); + memcpy(lm->fAvatarFront, fAvatarFront, sizeof(lm->fAvatarFront)); + memcpy(lm->fAvatarTop, fAvatarTop, sizeof(lm->fAvatarTop)); + memcpy(lm->fCameraPosition, fCameraPosition, sizeof(lm->fCameraPosition)); + memcpy(lm->fCameraFront, fCameraFront, sizeof(lm->fCameraFront)); + memcpy(lm->fCameraTop, fCameraTop, sizeof(lm->fCameraTop)); + lm->uiVersion = 2; + lm->uiTick = GetTickCount(); +} + +void mumble_set_identity(const char* identity) +{ + size_t len; + if (!lm) + return; + len = MIN(sizeof(lm->identity), strlen(identity)+1); + mbstowcs(lm->identity, identity, len); +} + +void mumble_set_context(const unsigned char* context, size_t len) +{ + if (!lm) + return; + len = MIN(sizeof(lm->context), len); + lm->context_len = len; + memcpy(lm->context, context, len); +} + +void mumble_set_description(const char* description) +{ + size_t len; + if (!lm) + return; + len = MIN(sizeof(lm->description), strlen(description)+1); + mbstowcs(lm->description, description, len); +} + +void mumble_unlink() +{ + if(!lm) + return; +#ifdef WIN32 + UnmapViewOfFile(lm); + CloseHandle(hMapObject); + hMapObject = NULL; +#else + munmap(lm, sizeof(LinkedMem)); +#endif + lm = NULL; +} + +int mumble_islinked(void) +{ + return lm != NULL; +} |