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WIP: add QH command to access the query handler via livestatus #62

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WIP: add QH command to access the query handler via livestatus #62

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WIP: add QH command to access the query handler via livestatus
sni Nov 5, 2019
ce2d7f8
Merge branch 'master' into feature_expose_queryhandler
sni Sep 30, 2024
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31 changes: 31 additions & 0 deletions src/Store.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,10 @@ bool Store::answerRequest(InputBuffer *input, OutputBuffer *output, int fd)
answerCommandRequest(unescape_newlines(lstrip((char *)line + 8)), output);
output->setDoKeepalive(true);
}
else if (!strncmp(line, "QH ", 3)) {
output->setDoKeepalive(true);
answerQueryHandlerRequest(lstrip((char *)line + 3), output, fd);
}
else if (!strncmp(line, "LOGROTATE", 9)) {
logger(LG_INFO, "Forcing logfile rotation");
rotate_log_file(time(0));
Expand Down Expand Up @@ -174,6 +178,33 @@ void Store::answerCommandRequest(const char *command, OutputBuffer *output)
return;
}

void Store::answerQueryHandlerRequest(const char *command, OutputBuffer *output, int fd)
{
int ret, sd;
char buf[4096];
sd = nsock_unix(qh_socket_path, NSOCK_TCP | NSOCK_CONNECT);
if (sd < 0) {
logger(LG_INFO, "Failed to connect to query socket '%s': %s: %s", qh_socket_path, nsock_strerror(sd), strerror(errno));
return;
}
ret = nsock_printf_nul(sd, "%s", command);
if (ret < 0) {
logger(LG_INFO, "failed to submit command by query handler");
}
output->reset();
while(TRUE) {
ret = read(sd, buf, 4095);
if(ret <= 0)
break;
buf[ret] = 0;
dprintf(fd, "%s", buf);
}
close(sd);
return;
}




void Store::answerGetRequest(InputBuffer *input, OutputBuffer *output, const char *tablename, int fd)
{
Expand Down
1 change: 1 addition & 0 deletions src/Store.h
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,7 @@ class Store
Table *findTable(string name);
void answerGetRequest(InputBuffer *, OutputBuffer *, const char *, int fd);
void answerCommandRequest(const char *, OutputBuffer *);
void answerQueryHandlerRequest(const char *, OutputBuffer *, int);
};

#endif // Store_h