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Increased stream name length to 100 bytes

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This commit is contained in:
Thulinma 2015-03-11 17:25:32 +01:00
parent f3060781a7
commit cfc6d9d6d3
2 changed files with 12 additions and 23 deletions
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28
lib/shared_memory.cpp
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@ -563,45 +563,37 @@ namespace IPC {
///\brief Sets the name of the stream this user is viewing
void statExchange::streamName(std::string name) {
memcpy(data + 48, name.c_str(), std::min((int)name.size(), 20));
size_t splitChar = name.find_first_of("+ ");
if (splitChar != std::string::npos){
name[splitChar] = '+';
}
memcpy(data + 48, name.c_str(), std::min((int)name.size(), 100));
}
///\brief Gets the name of the stream this user is viewing
std::string statExchange::streamName() {
return std::string(data + 48, std::min((int)strlen(data + 48), 20));
return std::string(data + 48, strnlen(data + 48, 100));
}
///\brief Sets the name of the connector through which this user is viewing
void statExchange::connector(std::string name) {
memcpy(data + 68, name.c_str(), std::min((int)name.size(), 20));
memcpy(data + 148, name.c_str(), std::min((int)name.size(), 20));
}
///\brief Gets the name of the connector through which this user is viewing
std::string statExchange::connector() {
return std::string(data + 68, std::min((int)strlen(data + 68), 20));
return std::string(data + 148, std::min((int)strlen(data + 148), 20));
}
///\brief Sets checksum field
void statExchange::crc(unsigned int sum) {
htobl(data + 88, sum);
htobl(data + 186, sum);
}
///\brief Gets checksum field
unsigned int statExchange::crc() {
unsigned int result;
btohl(data + 88, result);
return result;
}
///\brief Sets PID field
void statExchange::pid(unsigned short id) {
htobs(data + 92, id);
}
///\brief Gets PID field
unsigned short statExchange::pid() {
unsigned short result;
btohs(data + 92, result);
btohl(data + 186, result);
return result;
}

7
lib/shared_memory.h
View file

@ -10,7 +10,7 @@
#include <semaphore.h>
#endif
#define STAT_EX_SIZE 94
#define STAT_EX_SIZE 172
#define PLAY_EX_SIZE 32
namespace IPC {
@ -37,8 +37,6 @@ namespace IPC {
std::string connector();
void crc(unsigned int sum);
unsigned int crc();
void pid(unsigned short id);
unsigned short pid();
private:
///\brief The payload for the stat exchange
/// - 8 byte - now (timestamp of last statistics)
@ -47,10 +45,9 @@ namespace IPC {
/// - 8 byte - down (Number of bytes received from peer)
/// - 8 byte - up (Number of bytes sent to peer)
/// - 16 byte - host (ip address of the peer)
/// - 20 byte - streamName (name of the stream peer is viewing)
/// - 100 byte - streamName (name of the stream peer is viewing)
/// - 20 byte - connector (name of the connector the peer is using)
/// - 4 byte - CRC32 of user agent (or zero if none)
/// - 2 byte - process PID
char * data;
};