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#include "../../IAndroidShm.h"
#include <binder/MemoryHeapBase.h>
#include <binder/IServiceManager.h>
#include "../../../common/shm.h"
namespace android {
static sp<IMemoryHeap> receiverMemBase;
#define MAX_SHARED_MEMORY_COUNT 257
sp<IAndroidShm> getAndroidShmService() {
sp<IAndroidShm> shm = 0;
/* Get the buffer service */
if (shm == NULL) {
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder;
binder = sm->getService(String16("com.samsung.android.jam.IAndroidShm"));
if (binder != 0) {
shm = IAndroidShm::asInterface(binder);
//shm = interface_cast<IAndroidShm>(binder);
}
}
return shm;
}
unsigned int * getBufferMemPointer(int index)
{
sp<IAndroidShm> shm = getAndroidShmService();
if (shm == NULL) {
printf("The EneaBufferServer is not published\n");
return (unsigned int *)-1; /* return an errorcode... */
} else {
receiverMemBase = shm->getBuffer(index);
if(receiverMemBase != NULL)
return (unsigned int *) receiverMemBase->getBase();
else
return (unsigned int*)-1;
}
}
}
using namespace android;
void showStatus() {
sp<IAndroidShm> shm = getAndroidShmService();
if(shm == NULL) {
printf("shm service is not available\n");
return;
}
printf("<<<<<<<<<<< dump memory allocation status >>>>>>>>>>\n");
for(int i = 256; i >= 0; i--) {
if(shm->isAllocated(i) == 1) {
printf("Mem[%3d] == 0x%x\n", i, (unsigned int)getBufferMemPointer(i));
} else {
printf("Mem[%3d] == NULL\n", i);
}
}
}
void showRegistryIndex() {
sp<IAndroidShm> shm = getAndroidShmService();
if(shm == NULL) {
printf("shm service is not available\n");
return;
}
printf("<<<<<<<<<<< show registry index >>>>>>>>>>\n");
printf("index [%3d]\n",shm->getRegistryIndex());
}
void showHeader() {
sp<IAndroidShm> shm = getAndroidShmService();
if(shm == NULL) {
printf("shm service is not available\n");
return;
}
if(shm->getRegistryIndex() > 256) {
printf("don't have a registry header\n");
return;
}
unsigned int* buffer = getBufferMemPointer(shm->getRegistryIndex());
if(buffer) {
jack_shm_header_t * header = (jack_shm_header_t*)buffer;
printf("<<<<<<<<<< register header value >>>>>>>>>>\n");
printf("memory address 0x%x 0x%x\n", (unsigned int)(header), (unsigned int)buffer);
printf("magic = %d\n", header->magic);
printf("protocol = %d\n", header->protocol);
printf("type = %d\n", header->type);
printf("size = %d\n", header->size);
printf("hdr_len = %d\n", header->hdr_len);
printf("entry_len = %d\n", header->entry_len);
for(int j = 0; j < MAX_SERVERS; j++) {
//char name[256];
//memset(name, '\0', 256);
//strncpy(name, header->server[j].name, 10);
printf("server[%d] pid = %d, name = %s\n", j, header->server[j].pid, header->server[j].name);
}
}
}
void showBody() {
sp<IAndroidShm> shm = getAndroidShmService();
if(shm == NULL) {
printf("shm service is not available\n");
return;
}
if(shm->getRegistryIndex() > 256) {
printf("don't have a registry body\n");
return;
}
unsigned int* buffer = getBufferMemPointer(shm->getRegistryIndex());
if(buffer) {
jack_shm_header_t * header = (jack_shm_header_t*)buffer;
printf("<<<<<<<<<< registry body value >>>>>>>>>>\n");
jack_shm_registry_t * registry = (jack_shm_registry_t *) (header + 1);
for(int k = 255; k >= 0; k--) {
printf("registry[%3d] index[%3d],allocator[%3d],size[%6d],id[%10s],fd[%3d]\n", k,
registry[k].index, registry[k].allocator, registry[k].size,
registry[k].id,
registry[k].fd);
}
}
}
void showSemaphore() {
sp<IAndroidShm> shm = getAndroidShmService();
if(shm == NULL) {
printf("shm service is not available\n");
return;
}
shm->sendCommand("semaphore");
printf("log will be shown in the logcat log\n");
}
int main(int argc, char** argv) {
// base could be on same address as Servers base but this
// is purely by luck do NEVER rely on this. Linux memory
// management may put it wherever it likes.
if(argc < 2) {
printf("usage\n shmservicedump [status|header|body|index|semaphore]\n");
printf(" status: show the shared memory allocation status\n");
printf(" header: show the registry header infomations if the registry exist\n");
printf(" body: show the registry body infomations if the registry exist\n");
printf(" index: show the index of array that is allocated registry shared memory\n");
printf(" semaphore: show the memory array about semaphore simulation\n");
return 0;
}
if(strcmp(argv[1], "semaphore") == 0) {
showSemaphore();
} else if(strcmp(argv[1], "index") == 0) {
showRegistryIndex();
} else if(strcmp(argv[1], "status") == 0) {
showStatus();
} else if(strcmp(argv[1], "header") == 0) {
showHeader();
} else if(strcmp(argv[1], "body") == 0) {
showBody();
} else {
printf("%s is invalid parameter\n", argv[1]);
}
return 0;
}
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