X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=cubemap.cpp;h=b00ca64df2999057c6c1c535dee05c507790b5c8;hp=ad218db29bcfb8985a5d70160886a6f9439f7c24;hb=17d773d2d45d495704e974b9246eccb21faa8635;hpb=1a6917f77ba35d5397e887a554354a3e49458eb9 diff --git a/cubemap.cpp b/cubemap.cpp index ad218db..b00ca64 100644 --- a/cubemap.cpp +++ b/cubemap.cpp @@ -17,6 +17,7 @@ #include #include "metacube.h" +#include "parse.h" #include "server.h" #include "serverpool.h" #include "input.h" @@ -171,120 +172,6 @@ CubemapStateProto read_tempfile(int state_fd) return state; } -// Split a line on whitespace, e.g. "foo bar baz" -> {"foo", "bar", "baz"}. -vector split_tokens(const string &line) -{ - vector ret; - string current_token; - - for (size_t i = 0; i < line.size(); ++i) { - if (isspace(line[i])) { - if (!current_token.empty()) { - ret.push_back(current_token); - } - current_token.clear(); - } else { - current_token.push_back(line[i]); - } - } - if (!current_token.empty()) { - ret.push_back(current_token); - } - return ret; -} - -struct ConfigLine { - string keyword; - vector arguments; - map parameters; -}; - -// Parse the configuration file. -vector parse_config(const string &filename) -{ - vector ret; - - FILE *fp = fopen(filename.c_str(), "r"); - if (fp == NULL) { - perror(filename.c_str()); - exit(1); - } - - char buf[4096]; - while (!feof(fp)) { - if (fgets(buf, sizeof(buf), fp) == NULL) { - break; - } - - // Chop off the string at the first #, \r or \n. - buf[strcspn(buf, "#\r\n")] = 0; - - // Remove all whitespace from the end of the string. - size_t len = strlen(buf); - while (len > 0 && isspace(buf[len - 1])) { - buf[--len] = 0; - } - - // If the line is now all blank, ignore it. - if (len == 0) { - continue; - } - - vector tokens = split_tokens(buf); - assert(!tokens.empty()); - - ConfigLine line; - line.keyword = tokens[0]; - - for (size_t i = 1; i < tokens.size(); ++i) { - // foo=bar is a parameter; anything else is an argument. - size_t equals_pos = tokens[i].find_first_of('='); - if (equals_pos == string::npos) { - line.arguments.push_back(tokens[i]); - } else { - string key = tokens[i].substr(0, equals_pos); - string value = tokens[i].substr(equals_pos + 1, string::npos); - line.parameters.insert(make_pair(key, value)); - } - } - - ret.push_back(line); - } - - fclose(fp); - return ret; -} - -// Note: Limits are inclusive. -int fetch_config_int(const vector &config, const string &keyword, int min_limit, int max_limit) -{ - bool value_found = false; - int value = -1; - for (unsigned i = 0; i < config.size(); ++i) { - if (config[i].keyword != keyword) { - continue; - } - if (config[i].parameters.size() > 0 || - config[i].arguments.size() != 1) { - fprintf(stderr, "ERROR: '%s' takes one argument and no parameters\n", keyword.c_str()); - exit(1); - } - value_found = true; - value = atoi(config[i].arguments[0].c_str()); // TODO: verify int validity. - } - if (!value_found) { - fprintf(stderr, "ERROR: Missing '%s' statement in config file.\n", - keyword.c_str()); - exit(1); - } - if (value < min_limit || value > max_limit) { - fprintf(stderr, "ERROR: '%s' is set to %d, must be in [%d,%d]\n", - keyword.c_str(), value, min_limit, max_limit); - exit(1); - } - return value; -} - int main(int argc, char **argv) { fprintf(stderr, "\nCubemap starting.\n"); @@ -304,6 +191,7 @@ int main(int argc, char **argv) CubemapStateProto loaded_state = read_tempfile(state_fd); // Deserialize the streams. + // TODO: Pick up new streams from the configuration file. for (int i = 0; i < loaded_state.streams_size(); ++i) { servers->add_stream_from_serialized(loaded_state.streams(i)); } @@ -319,9 +207,19 @@ int main(int argc, char **argv) old_port = loaded_state.port(); fprintf(stderr, "done.\n"); - } else{ - // TODO: This should come from the config file. - servers->add_stream(STREAM_ID); + } else { + // Find all streams in the configuration file, and create them. + for (unsigned i = 0; i < config.size(); ++i) { + if (config[i].keyword != "stream") { + continue; + } + if (config[i].arguments.size() != 1) { + fprintf(stderr, "ERROR: 'stream' takes exactly one argument\n"); + exit(1); + } + string stream_id = config[i].arguments[0]; + servers->add_stream(stream_id); + } } // Open a new server socket if we do not already have one, or if we changed ports. @@ -339,9 +237,26 @@ int main(int argc, char **argv) pthread_t acceptor_thread; pthread_create(&acceptor_thread, NULL, acceptor_thread_run, reinterpret_cast(server_sock)); - // TODO: This should come from the config file. - Input input(STREAM_ID, STREAM_URL); - input.run(); + // Find all streams in the configuration file, and create inputs for them. + vector inputs; + for (unsigned i = 0; i < config.size(); ++i) { + if (config[i].keyword != "stream") { + continue; + } + assert(config[i].arguments.size() == 1); + string stream_id = config[i].arguments[0]; + + if (config[i].parameters.count("src") == 0) { + fprintf(stderr, "WARNING: stream '%s' has no src= attribute, clients will not get any data.\n", + stream_id.c_str()); + continue; + } + + string src = config[i].parameters["src"]; + Input *input = new Input(stream_id, src); + input->run(); + inputs.push_back(input); + } signal(SIGHUP, hup); @@ -349,7 +264,11 @@ int main(int argc, char **argv) usleep(100000); } - input.stop(); + // OK, we've been HUPed. Time to shut down everything, serialize, and re-exec. + for (size_t i = 0; i < inputs.size(); ++i) { + inputs[i]->stop(); + delete inputs[i]; // TODO: serialize instead of using libcurl. + } CubemapStateProto state; state.set_server_sock(server_sock);