diff options
| -rw-r--r-- | main.c | 36 | ||||
| -rw-r--r-- | plop.1 | 20 |
2 files changed, 42 insertions, 14 deletions
@@ -1,5 +1,6 @@ #include <stdio.h> #include <sys/epoll.h> +#include <unistd.h> #include <lauxlib.h> #include <lua.h> @@ -9,11 +10,12 @@ /// Prints program usage to standard error. /// \param name Name of the executable from argv -static void usage(char * name) +static void usage(const char * const name) { - // TODO: Extend command line interface with e.g. getopt. dprintf(2, - "Usage: %s <port> <handler>\n", + "Usage: %s [-p PORT] HANDLER\n" + "Starts plop server listening on PORT and serving HANDLER.\n\n" + " -p\tstart listening on PORT (default: 8080)\n", name); } @@ -26,13 +28,33 @@ int main(int argc, char ** argv) lua_State * L = luaL_newstate(); luaL_openlibs(L); - if (3 != argc) + const char * service = "8080"; + int opt; + + while (-1 != (opt = getopt(argc, argv, "p:"))) + { + switch (opt) + { + case 'p': + { + service = optarg; + break; + } + default: + { + usage(argv[0]); + return 1; // TODO: Extend error handling in main(). + } + } + } + + if (optind >= argc) { usage(argv[0]); - return 1; // TODO: Handle errors properly in main(). + return 8; } - if (LUA_OK != load_handler(L, argv[2])) + if (LUA_OK != load_handler(L, argv[optind])) { return 2; } @@ -47,7 +69,7 @@ int main(int argc, char ** argv) struct epoll_event e; e.events = EPOLLIN; e.data.ptr = NULL; // TODO: Consider putting server's Lua state in here? - const int server = make_server(NULL, argv[1]); // TODO: Check server's fd before ctl? + const int server = make_server(NULL, service); // TODO: Check server's fd before ctl? if (-1 == epoll_ctl(efd, EPOLL_CTL_ADD, server, &e)) { @@ -1,15 +1,21 @@ -.TH plop 1 "2020-08-15" +.TH plop 1 "2020-08-24" .SH NAME -plop \- Hackable small standalone engine for Lua web applications +plop \- Small hackable standalone engine for Lua web applications .SH SYNOPSIS -.B plop -.IR port -.IR handler +.B plop [-p +.IR PORT ] +.IR HANDLER .SH DESCRIPTION .B plop loads -.IR handler -Lua script and starts a HTTP/1.1 server listening on a designated port. The script is loaded as if +.IR HADNLER +Lua script and starts a HTTP/1.1 server listening on a designated +.IR PORT . +If +.IR PORT +is not specified server starts listening on +.B 8080 +by default. The script is loaded as if .B require was used with module name .B handler |