#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <net/if.h>
#include <sys/socket.h>
#include <map>
#include <string>
using namespace std;
-#define DEFAULT_BACKLOG_SIZE 1048576
+#define DEFAULT_BACKLOG_SIZE 10485760
struct ConfigLine {
string keyword;
lines->push_back(line);
}
- fclose(fp);
+ if (fclose(fp) == EOF) {
+ log_perror(filename.c_str());
+ return false;
+ }
return true;
}
}
AcceptorConfig acceptor;
- acceptor.addr = CreateAnyAddress(port);
+ acceptor.addr = create_any_address(port);
config->acceptors.push_back(acceptor);
return true;
return true;
}
-int allocate_mark_pool(int from, int to, Config *config)
-{
- int pool_index = -1;
-
- // Reuse mark pools if an identical one exists.
- // Otherwise, check if we're overlapping some other mark pool.
- for (size_t i = 0; i < config->mark_pools.size(); ++i) {
- const MarkPoolConfig &pool = config->mark_pools[i];
- if (from == pool.from && to == pool.to) {
- pool_index = i;
- } else if ((from >= pool.from && from < pool.to) ||
- (to >= pool.from && to < pool.to)) {
- log(WARNING, "Mark pool %d-%d partially overlaps with %d-%d, you may get duplicate marks."
- "Mark pools must either be completely disjunct, or completely overlapping.",
- from, to, pool.from, pool.to);
- }
- }
-
- if (pool_index != -1) {
- return pool_index;
- }
-
- // No match to existing pools.
- MarkPoolConfig pool;
- pool.from = from;
- pool.to = to;
- config->mark_pools.push_back(pool);
-
- return config->mark_pools.size() - 1;
-}
-
-bool parse_mark_pool(const string &mark_str, int *from, int *to)
-{
- size_t split = mark_str.find_first_of('-');
- if (split == string::npos) {
- log(ERROR, "Invalid mark specification '%s' (expected 'X-Y').",
- mark_str.c_str());
- return false;
- }
-
- string from_str(mark_str.begin(), mark_str.begin() + split);
- string to_str(mark_str.begin() + split + 1, mark_str.end());
- *from = atoi(from_str.c_str());
- *to = atoi(to_str.c_str());
-
- if (*from <= 0 || *from >= 65536 || *to <= 0 || *to >= 65536) {
- log(ERROR, "Mark pool range %d-%d is outside legal range [1,65536>.",
- *from, *to);
- return false;
- }
-
- return true;
-}
-
bool parse_stream(const ConfigLine &line, Config *config)
{
if (line.arguments.size() != 1) {
stream.backlog_size = atoi(backlog_it->second.c_str());
}
- // Parse encoding.
+ map<string, string>::const_iterator prebuffer_it = line.parameters.find("force_prebuffer");
+ if (prebuffer_it == line.parameters.end()) {
+ stream.prebuffering_bytes = 0;
+ } else {
+ stream.prebuffering_bytes = atoi(prebuffer_it->second.c_str());
+ }
+
+ // Parse output encoding.
map<string, string>::const_iterator encoding_parm_it = line.parameters.find("encoding");
if (encoding_parm_it == line.parameters.end() ||
encoding_parm_it->second == "raw") {
return false;
}
- // Parse marks, if so desired.
- map<string, string>::const_iterator mark_parm_it = line.parameters.find("mark");
- if (mark_parm_it == line.parameters.end()) {
- stream.mark_pool = -1;
+ // Parse input encoding.
+ map<string, string>::const_iterator src_encoding_parm_it = line.parameters.find("src_encoding");
+ if (src_encoding_parm_it == line.parameters.end() ||
+ src_encoding_parm_it->second == "metacube") {
+ stream.src_encoding = StreamConfig::STREAM_ENCODING_METACUBE;
+ } else if (src_encoding_parm_it->second == "raw") {
+ stream.src_encoding = StreamConfig::STREAM_ENCODING_RAW;
} else {
- int from, to;
- if (!parse_mark_pool(mark_parm_it->second, &from, &to)) {
- return false;
- }
- stream.mark_pool = allocate_mark_pool(from, to, config);
+ log(ERROR, "Parameter 'src_encoding' must be either 'raw' or 'metacube' (default)");
+ return false;
}
// Parse the pacing rate, converting from kilobits to bytes as needed.
UDPStreamConfig udpstream;
string hostport = line.arguments[0];
- if (!parse_hostport(line.arguments[0], &udpstream.dst)) {
+ if (!parse_hostport(hostport, &udpstream.dst)) {
return false;
}
// TODO: Verify that the URL is parseable?
}
- // Parse marks, if so desired.
- map<string, string>::const_iterator mark_parm_it = line.parameters.find("mark");
- if (mark_parm_it == line.parameters.end()) {
- udpstream.mark_pool = -1;
- } else {
- int from, to;
- if (!parse_mark_pool(mark_parm_it->second, &from, &to)) {
- return false;
- }
- udpstream.mark_pool = allocate_mark_pool(from, to, config);
- }
-
// Parse the pacing rate, converting from kilobits to bytes as needed.
map<string, string>::const_iterator pacing_rate_it = line.parameters.find("pacing_rate_kbit");
if (pacing_rate_it == line.parameters.end()) {
udpstream.pacing_rate = atoi(pacing_rate_it->second.c_str()) * 1024 / 8;
}
+ // Parse the TTL. The same value is used for unicast and multicast.
+ map<string, string>::const_iterator ttl_it = line.parameters.find("ttl");
+ if (ttl_it == line.parameters.end()) {
+ udpstream.ttl = -1;
+ } else {
+ udpstream.ttl = atoi(ttl_it->second.c_str());
+ }
+
+ // Parse the multicast interface index.
+ map<string, string>::const_iterator multicast_iface_it = line.parameters.find("multicast_output_interface");
+ if (multicast_iface_it == line.parameters.end()) {
+ udpstream.multicast_iface_index = -1;
+ } else {
+ udpstream.multicast_iface_index = if_nametoindex(multicast_iface_it->second.c_str());
+ if (udpstream.multicast_iface_index == 0) {
+ log(ERROR, "Interface '%s' does not exist", multicast_iface_it->second.c_str());
+ return false;
+ }
+ }
+
config->udpstreams.push_back(udpstream);
return true;
}
+bool parse_gen204(const ConfigLine &line, Config *config)
+{
+ if (line.arguments.size() != 1) {
+ log(ERROR, "'gen204' takes exactly one argument");
+ return false;
+ }
+
+ Gen204Config gen204;
+ gen204.url = line.arguments[0];
+
+ // Parse the CORS origin, if it exists.
+ map<string, string>::const_iterator allow_origin_it = line.parameters.find("allow_origin");
+ if (allow_origin_it != line.parameters.end()) {
+ gen204.allow_origin = allow_origin_it->second;
+ }
+
+ config->pings.push_back(gen204);
+ return true;
+}
+
bool parse_error_log(const ConfigLine &line, Config *config)
{
if (line.arguments.size() != 0) {
if (!parse_udpstream(line, config)) {
return false;
}
+ } else if (line.keyword == "gen204") {
+ if (!parse_gen204(line, config)) {
+ return false;
+ }
} else if (line.keyword == "error_log") {
if (!parse_error_log(line, config)) {
return false;