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sems/core/sip/msg_logger.cpp

137 lines
3.2 KiB

#include "msg_logger.h"
#include "AmUtils.h"
#include <fcntl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
file_msg_logger::~file_msg_logger()
{
fd_mut.lock();
if(fd >= 0)
close(fd);
fd_mut.unlock();
}
int file_msg_logger::open(const char* filename)
{
fd_mut.lock();
if(fd != -1) {
ERROR("file already open\n");
fd_mut.unlock();
return -1;
}
fd = ::open(filename,O_WRONLY | O_CREAT | O_APPEND,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if(fd < 0) {
ERROR("could not open file '%s': %s", filename, strerror(errno));
fd_mut.unlock();
return -1;
}
// need not to work for 100% (the access will not to be locked if opened from
// another logger instance)
off_t pos = lseek(fd, 0, SEEK_END);
if (pos == 0) write_file_header();
fd_mut.unlock();
return 0;
}
int file_msg_logger::write(const void *buf, int len)
{
int res = ::write(fd, buf, len);
if (res != len) {
ERROR("while writing to message log: %s\n",strerror(errno));
}
return res;
}
//////////////////////////////////////////////////////////////////////////////////////
static string addr2str(sockaddr_storage* addr)
{
char ntop_buffer[INET6_ADDRSTRLEN];
if(addr->ss_family == AF_INET) {
struct sockaddr_in *sin = (struct sockaddr_in *)addr;
if(!inet_ntop(AF_INET, &sin->sin_addr,
ntop_buffer,INET6_ADDRSTRLEN)) {
ERROR("Could not convert IPv4 address to string: %s",strerror(errno));
return "unknown";
}
return string(ntop_buffer) + ":" + int2str(ntohs(sin->sin_port));
}
struct sockaddr_in6* sin6 = (struct sockaddr_in6 *)addr;
if(!inet_ntop(AF_INET6, &sin6->sin6_addr,
ntop_buffer,INET6_ADDRSTRLEN)) {
ERROR("Could not convert IPv6 address to string: %s",strerror(errno));
return "unknown";
}
return string(ntop_buffer) + ":" + int2str(ntohs(sin6->sin6_port));
}
#define WRITE_CSTSTR(str) \
if(write(str,sizeof(str)-1) != sizeof(str)-1) { \
return -1; \
}
#define WRITE_STLSTR(str) \
if(write(str.c_str(),str.length()) != (ssize_t)str.length()) { \
return -1; \
}
int cf_msg_logger::write_src_dst(const string& obj)
{
if (known_destinations.find(obj) == known_destinations.end()) {
known_destinations.insert(obj);
WRITE_CSTSTR("<object name='");
WRITE_STLSTR(obj);
WRITE_CSTSTR("' desc='");
WRITE_STLSTR(obj);
WRITE_CSTSTR("'/>\n");
}
return 0;
}
int cf_msg_logger::log(const char* buf, int len,
sockaddr_storage* src_ip,
sockaddr_storage* dst_ip,
cstring method, int reply_code)
{
string src = addr2str(src_ip);
string dst = addr2str(dst_ip);
AmLock _l(fd_mut);
write_src_dst(src);
write_src_dst(dst);
string what = c2stlstr(method);
if(reply_code > 0) {
what = int2str(reply_code) + " / " + what;
}
WRITE_CSTSTR("<call src='");
WRITE_STLSTR(src);
WRITE_CSTSTR("' dst='");
WRITE_STLSTR(dst);
WRITE_CSTSTR("' desc='");
WRITE_STLSTR(what);
WRITE_CSTSTR("'>\n");
if(write(buf,len) != len) return -1;
WRITE_CSTSTR("</call>\n");
return 0;
}