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libmist backport from new metadata branch with improved typing and styling

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This commit is contained in:
Erik Zandvliet 2018-11-28 12:16:00 +01:00 • committed by Thulinma
parent 7a03d3e96c
commit 10fa4b7e7b
88 changed files with 5957 additions and 5757 deletions
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104
lib/shared_memory.cpp
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@ -40,53 +40,6 @@ namespace IPC {
}
#endif
/// Stores a long value of val in network order to the pointer p.
static void htobl(char * p, long val) {
p[0] = (val >> 24) & 0xFF;
p[1] = (val >> 16) & 0xFF;
p[2] = (val >> 8) & 0xFF;
p[3] = val & 0xFF;
}
/// Stores a short value of val in network order to the pointer p.
static void htobs(char * p, short val) {
p[0] = (val >> 8) & 0xFF;
p[1] = val & 0xFF;
}
/// Stores a long long value of val in network order to the pointer p.
static void htobll(char * p, long long val) {
p[0] = (val >> 56) & 0xFF;
p[1] = (val >> 48) & 0xFF;
p[2] = (val >> 40) & 0xFF;
p[3] = (val >> 32) & 0xFF;
p[4] = (val >> 24) & 0xFF;
p[5] = (val >> 16) & 0xFF;
p[6] = (val >> 8) & 0xFF;
p[7] = val & 0xFF;
}
/// Reads a long value of p in host order to val.
static void btohl(char * p, long & val) {
val = ((long)p[0] << 24) | ((long)p[1] << 16) | ((long)p[2] << 8) | p[3];
}
/// Reads a short value of p in host order to val.
static void btohs(char * p, unsigned short & val) {
val = ((short)p[0] << 8) | p[1];
}
/// Reads a long value of p in host order to val.
static void btohl(char * p, unsigned int & val) {
val = ((long)p[0] << 24) | ((long)p[1] << 16) | ((long)p[2] << 8) | p[3];
}
/// Reads a long long value of p in host order to val.
static void btohll(char * p, long long & val) {
val = ((long long)p[0] << 56) | ((long long)p[1] << 48) | ((long long)p[2] << 40) | ((long long)p[3] << 32) | ((long long)p[4] << 24) | ((long long)p[5] << 16) | ((long long)p[6] << 8) | p[7];
}
///\brief Empty semaphore constructor, clears all values
semaphore::semaphore() {
#if defined(__CYGWIN__) || defined(_WIN32)
@ -262,8 +215,8 @@ namespace IPC {
}
#elif defined(__APPLE__)
/// \todo (roxlu) test tryWaitOneSecond, shared_memory.cpp
long long unsigned int now = Util::getMicros();
long long unsigned int timeout = now + 1e6;
uint64_t now = Util::getMicros();
uint64_t timeout = now + 1e6;
while (now < timeout) {
if (0 == sem_trywait(mySem)) {
isLocked = true;
@ -363,7 +316,7 @@ namespace IPC {
///\param len_ The size to make the page
///\param master_ Whether to create or merely open the page
///\param autoBackoff When only opening the page, wait for it to appear or fail
sharedPage::sharedPage(std::string name_, unsigned int len_, bool master_, bool autoBackoff) {
sharedPage::sharedPage(const std::string & name_, uint64_t len_, bool master_, bool autoBackoff) {
handle = 0;
len = 0;
master = false;
@ -453,7 +406,7 @@ namespace IPC {
///\param len_ The size to make the page
///\param master_ Whether to create or merely open the page
///\param autoBackoff When only opening the page, wait for it to appear or fail
void sharedPage::init(std::string name_, unsigned int len_, bool master_, bool autoBackoff) {
void sharedPage::init(const std::string & name_, uint64_t len_, bool master_, bool autoBackoff) {
close();
name = name_;
len = len_;
@ -486,9 +439,9 @@ namespace IPC {
}
//Under cygwin, the extra 4 bytes contain the real size of the page.
if (master) {
((unsigned int *)mapped)[0] = len_;
Bit::htobl(mapped, len);
} else {
len = ((unsigned int *)mapped)[0];
len = Bit::btohl(mapped);
}
//Now shift by those 4 bytes.
mapped += 4;
@ -496,7 +449,7 @@ namespace IPC {
handle = shm_open(name.c_str(), (master ? O_CREAT | O_EXCL : 0) | O_RDWR, ACCESSPERMS);
if (handle == -1) {
if (master) {
DEBUG_MSG(DLVL_HIGH, "Overwriting old page for %s", name.c_str());
ERROR_MSG("Overwriting old page for %s", name.c_str());
handle = shm_open(name.c_str(), O_CREAT | O_RDWR, ACCESSPERMS);
} else {
int i = 0;
@ -515,7 +468,7 @@ namespace IPC {
}
if (master) {
if (ftruncate(handle, len) < 0) {
FAIL_MSG("truncate to %lld for page %s failed: %s", len, name.c_str(), strerror(errno));
FAIL_MSG("truncate to %" PRIu64 " for page %s failed: %s", len, name.c_str(), strerror(errno));
return;
}
} else {
@ -547,7 +500,7 @@ namespace IPC {
///\param len_ The size to make the file
///\param master_ Whether to create or merely open the file
///\param autoBackoff When only opening the file, wait for it to appear or fail
sharedFile::sharedFile(std::string name_, unsigned int len_, bool master_, bool autoBackoff) : handle(0), name(name_), len(len_), master(master_), mapped(NULL) {
sharedFile::sharedFile(const std::string & name_, uint64_t len_, bool master_, bool autoBackoff) : handle(0), name(name_), len(len_), master(master_), mapped(NULL) {
handle = 0;
name = name_;
len = len_;
@ -612,7 +565,7 @@ namespace IPC {
///\param len_ The size to make the page
///\param master_ Whether to create or merely open the page
///\param autoBackoff When only opening the page, wait for it to appear or fail
void sharedFile::init(std::string name_, unsigned int len_, bool master_, bool autoBackoff) {
void sharedFile::init(const std::string & name_, uint64_t len_, bool master_, bool autoBackoff) {
close();
name = name_;
len = len_;
@ -623,7 +576,7 @@ namespace IPC {
handle = open(std::string(Util::getTmpFolder() + name).c_str(), (master ? O_CREAT | O_TRUNC | O_EXCL : 0) | O_RDWR, (mode_t)0600);
if (handle == -1) {
if (master) {
DEBUG_MSG(DLVL_HIGH, "Overwriting old file for %s", name.c_str());
HIGH_MSG("Overwriting old file for %s", name.c_str());
handle = open(std::string(Util::getTmpFolder() + name).c_str(), O_CREAT | O_TRUNC | O_RDWR, (mode_t)0600);
} else {
int i = 0;
@ -670,19 +623,18 @@ namespace IPC {
///\brief Sets timestamp of the current stats
void statExchange::now(long long int time) {
htobll(data, time);
Bit::htobll(data, time);
}
///\brief Gets timestamp of the current stats
long long int statExchange::now() {
long long int result;
btohll(data, result);
return result;
return Bit::btohll(data);
}
///\brief Sets time currently connected
void statExchange::time(long time) {
htobl(data + 8, time);
Bit::htobl(data + 8, time);
}
/// Calculates session ID from CRC, stream name, connector and host.
@ -692,45 +644,37 @@ namespace IPC {
///\brief Gets time currently connected
long statExchange::time() {
long result;
btohl(data + 8, result);
return result;
return Bit::btohl(data + 8);
}
///\brief Sets the last viewing second of this user
void statExchange::lastSecond(long time) {
htobl(data + 12, time);
Bit::htobl(data + 12, time);
}
///\brief Gets the last viewing second of this user
long statExchange::lastSecond() {
long result;
btohl(data + 12, result);
return result;
return Bit::btohl(data + 12);
}
///\brief Sets the amount of bytes received
void statExchange::down(long long int bytes) {
htobll(data + 16, bytes);
Bit::htobll(data + 16, bytes);
}
///\brief Gets the amount of bytes received
long long int statExchange::down() {
long long int result;
btohll(data + 16, result);
return result;
return Bit::btohll(data + 16);
}
///\brief Sets the amount of bytes sent
void statExchange::up(long long int bytes) {
htobll(data + 24, bytes);
Bit::htobll(data + 24, bytes);
}
///\brief Gets the amount of bytes sent
long long int statExchange::up() {
long long int result;
btohll(data + 24, result);
return result;
return Bit::btohll(data + 24);
}
///\brief Sets the host of this connection
@ -772,14 +716,12 @@ namespace IPC {
///\brief Sets checksum field
void statExchange::crc(unsigned int sum) {
htobl(data + 168, sum);
Bit::htobl(data + 168, sum);
}
///\brief Gets checksum field
unsigned int statExchange::crc() {
unsigned int result;
btohl(data + 168, result);
return result;
return Bit::btohl(data + 168);
}
///\brief Sets checksum field