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nghttpx: Refactor log format parsing

This commit is contained in:
Tatsuhiro Tsujikawa 2015-07-14 23:36:44 +09:00
parent 8c1e863523
commit 4fed7a1476
3 changed files with 141 additions and 47 deletions
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2
gennghttpxfun.py
View File

@ -114,4 +114,4 @@ LOGVARS = [
if __name__ == '__main__':
gentokenlookup(OPTIONS, 'SHRPX_OPTID', value_type='char', comp_fun='util::strieq_l')
gentokenlookup(LOGVARS, 'SHRPX_LOGF', value_type='char', comp_fun='util::strieq_l')
gentokenlookup(LOGVARS, 'SHRPX_LOGF', value_type='char', comp_fun='util::strieq_l', return_type='LogFragmentType', fail_value='SHRPX_LOGF_NONE')

16
gentokenlookup.py
View File

@ -33,10 +33,10 @@ enum {'''
{}_MAXIDX,
}};'''.format(prefix)
def gen_index_header(tokens, prefix, value_type, comp_fun):
def gen_index_header(tokens, prefix, value_type, comp_fun, return_type, fail_value):
print '''\
int lookup_token(const {} *name, size_t namelen) {{
switch (namelen) {{'''.format(value_type)
{} lookup_token(const {} *name, size_t namelen) {{
switch (namelen) {{'''.format(return_type, value_type)
b = build_header(tokens)
for size in sorted(b.keys()):
ents = b[size]
@ -59,11 +59,11 @@ int lookup_token(const {} *name, size_t namelen) {{
}
break;'''
print '''\
}
return -1;
}'''
}}
return {};
}}'''.format(fail_value)
def gentokenlookup(tokens, prefix, value_type='uint8_t', comp_fun='util::streq_l'):
def gentokenlookup(tokens, prefix, value_type='uint8_t', comp_fun='util::streq_l', return_type='int', fail_value='-1'):
gen_enum(tokens, prefix)
print ''
gen_index_header(tokens, prefix, value_type, comp_fun)
gen_index_header(tokens, prefix, value_type, comp_fun, return_type, fail_value)

170
src/shrpx_config.cc
View File

@ -323,6 +323,127 @@ int parse_int(T *dest, const char *opt, const char *optarg) {
return 0;
}
namespace {
LogFragmentType log_var_lookup_token(const char *name, size_t namelen) {
switch (namelen) {
case 3:
switch (name[2]) {
case 'd':
if (util::strieq_l("pi", name, 2)) {
return SHRPX_LOGF_PID;
}
break;
}
break;
case 4:
switch (name[3]) {
case 'n':
if (util::strieq_l("alp", name, 3)) {
return SHRPX_LOGF_ALPN;
}
break;
}
break;
case 6:
switch (name[5]) {
case 's':
if (util::strieq_l("statu", name, 5)) {
return SHRPX_LOGF_STATUS;
}
break;
}
break;
case 7:
switch (name[6]) {
case 't':
if (util::strieq_l("reques", name, 6)) {
return SHRPX_LOGF_REQUEST;
}
break;
}
break;
case 10:
switch (name[9]) {
case 'l':
if (util::strieq_l("time_loca", name, 9)) {
return SHRPX_LOGF_TIME_LOCAL;
}
break;
case 'r':
if (util::strieq_l("ssl_ciphe", name, 9)) {
return SHRPX_LOGF_SSL_CIPHER;
}
break;
}
break;
case 11:
switch (name[10]) {
case 'r':
if (util::strieq_l("remote_add", name, 10)) {
return SHRPX_LOGF_REMOTE_ADDR;
}
break;
case 't':
if (util::strieq_l("remote_por", name, 10)) {
return SHRPX_LOGF_REMOTE_PORT;
}
if (util::strieq_l("server_por", name, 10)) {
return SHRPX_LOGF_SERVER_PORT;
}
break;
}
break;
case 12:
switch (name[11]) {
case '1':
if (util::strieq_l("time_iso860", name, 11)) {
return SHRPX_LOGF_TIME_ISO8601;
}
break;
case 'e':
if (util::strieq_l("request_tim", name, 11)) {
return SHRPX_LOGF_REQUEST_TIME;
}
break;
case 'l':
if (util::strieq_l("ssl_protoco", name, 11)) {
return SHRPX_LOGF_SSL_PROTOCOL;
}
break;
}
break;
case 14:
switch (name[13]) {
case 'd':
if (util::strieq_l("ssl_session_i", name, 13)) {
return SHRPX_LOGF_SSL_SESSION_ID;
}
break;
}
break;
case 15:
switch (name[14]) {
case 't':
if (util::strieq_l("body_bytes_sen", name, 14)) {
return SHRPX_LOGF_BODY_BYTES_SENT;
}
break;
}
break;
case 18:
switch (name[17]) {
case 'd':
if (util::strieq_l("ssl_session_reuse", name, 17)) {
return SHRPX_LOGF_SSL_SESSION_REUSED;
}
break;
}
break;
}
return SHRPX_LOGF_NONE;
}
} // namespace
namespace {
bool var_token(char c) {
return util::isAlpha(c) || util::isDigit(c) || c == '_';
@ -368,46 +489,19 @@ std::vector<LogFragment> parse_log_format(const char *optarg) {
var_namelen = p - var_name;
}
auto type = SHRPX_LOGF_NONE;
const char *value = nullptr;
if (util::strieq_l("remote_addr", var_name, var_namelen)) {
type = SHRPX_LOGF_REMOTE_ADDR;
} else if (util::strieq_l("time_local", var_name, var_namelen)) {
type = SHRPX_LOGF_TIME_LOCAL;
} else if (util::strieq_l("time_iso8601", var_name, var_namelen)) {
type = SHRPX_LOGF_TIME_ISO8601;
} else if (util::strieq_l("request", var_name, var_namelen)) {
type = SHRPX_LOGF_REQUEST;
} else if (util::strieq_l("status", var_name, var_namelen)) {
type = SHRPX_LOGF_STATUS;
} else if (util::strieq_l("body_bytes_sent", var_name, var_namelen)) {
type = SHRPX_LOGF_BODY_BYTES_SENT;
} else if (util::istartsWith(var_name, var_namelen, "http_")) {
type = SHRPX_LOGF_HTTP;
value = var_name + sizeof("http_") - 1;
} else if (util::strieq_l("remote_port", var_name, var_namelen)) {
type = SHRPX_LOGF_REMOTE_PORT;
} else if (util::strieq_l("server_port", var_name, var_namelen)) {
type = SHRPX_LOGF_SERVER_PORT;
} else if (util::strieq_l("request_time", var_name, var_namelen)) {
type = SHRPX_LOGF_REQUEST_TIME;
} else if (util::strieq_l("pid", var_name, var_namelen)) {
type = SHRPX_LOGF_PID;
} else if (util::strieq_l("alpn", var_name, var_namelen)) {
type = SHRPX_LOGF_ALPN;
} else if (util::strieq_l("ssl_cipher", var_name, var_namelen)) {
type = SHRPX_LOGF_SSL_CIPHER;
} else if (util::strieq_l("ssl_protocol", var_name, var_namelen)) {
type = SHRPX_LOGF_SSL_PROTOCOL;
} else if (util::strieq_l("ssl_session_id", var_name, var_namelen)) {
type = SHRPX_LOGF_SSL_SESSION_ID;
} else if (util::strieq_l("ssl_session_reused", var_name, var_namelen)) {
type = SHRPX_LOGF_SSL_SESSION_REUSED;
} else {
LOG(WARN) << "Unrecognized log format variable: "
<< std::string(var_name, var_namelen);
continue;
auto type = log_var_lookup_token(var_name, var_namelen);
if (type == SHRPX_LOGF_NONE) {
if (util::istartsWith(var_name, var_namelen, "http_")) {
type = SHRPX_LOGF_HTTP;
value = var_name + str_size("http_");
} else {
LOG(WARN) << "Unrecognized log format variable: "
<< std::string(var_name, var_namelen);
continue;
}
}
if (literal_start < var_start) {