\ub77c\uc774\ube0c\ub7ec\ub9ac\uac00 \ub09c\uc7a1\ud558\ub2e4……<\/p>\n
\ucc38\uc870<\/a><\/p>\n . . . . . . . . . . . . . . . . . . . . . . . . https:\/\/www.skyer9.pe.kr\/wordpress\/?p=4668<\/a> \uc5d0\uc11c nodeJS \ub85c \uc11c\ubc84\ub97c \uad6c\uc131\ud55c\ub2e4.<\/p>\n \ucc38\uc870<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" [Deprecated] C libwebsockets \ub77c\uc774\ube0c\ub7ec\ub9ac\uac00 \ub09c\uc7a1\ud558\ub2e4…… \ucc38\uc870 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-4647","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4647"}],"version-history":[{"count":18,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4647\/revisions"}],"predecessor-version":[{"id":4732,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4647\/revisions\/4732"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n. . . . . . . . . . . . . . . . . . . . . . . .
\n. . . . . . . . . . . . . . . . . . . . . . . .<\/p>\nbranch v4.3-stable<\/h2>\n
git clone https:\/\/github.com\/warmcat\/libwebsockets.git -b v4.3-stable\ncd libwebsockets\nsudo apt-get install libssl-dev\nmkdir build\ncd build\ncmake ..\nmake\nsudo make install\nsudo ldconfig<\/code><\/pre>\n\uc11c\ubc84 \uc0dd\uc131<\/h2>\n
\ud074\ub77c\uc774\uc5b8\ud2b8 \uc0dd\uc131<\/h2>\n
#include <libwebsockets.h>\n\nstatic int callback( lws*, lws_callback_reasons reason, void* user, void* p, size_t z )\n{\n switch( reason ) {\n case LWS_CALLBACK_CLIENT_ESTABLISHED:\n \/\/ Connected to server.\n break;\n\n case LWS_CALLBACK_CLIENT_CONNECTION_ERROR:\n \/\/ Unable to connect to server. Check protocol?\n break;\n\n case LWS_CALLBACK_CLOSED:\n \/\/ Connection to server closed.\n break;\n\n case LWS_CALLBACK_CLIENT_RECEIVE:\n \/\/ Data of z bytes is accessible via pointer p.\n fprintf(stdout, "%s\\n", (const char*)p); fflush(stdout);\n break;\n\n case LWS_CALLBACK_CLIENT_WRITEABLE:\n \/\/ Now is your chance to send stuff to server, use API\n \/\/ lws_write() to do so.\n break;\n\n default: break;\n }\n return 0;\n}\n\nstatic lws_protocols protocols[] = {\n {\n "test-protocol", \/\/ protocol name\n callback, \/\/ callback for protocol\n 0, \/\/ per session data size\n 0, \/\/ receive buffer size\n 0, \/\/ user defined ID, not used by LWS\n nullptr, \/\/ user defined pointer\n 0 \/\/ transmit buffer size\n },\n { nullptr, nullptr, 0, 0, 0, nullptr, 0 } \/\/ protocol list terminator\n};\n\nint ws_parse_uri(const char *_url, struct lws_client_connect_info *ccinfo) {\n char url[1024];\n const char *protocol, *_path, *_address;\n char *path, *address;\n\n lws_strncpy(url, _url, sizeof(url));\n\n if (lws_parse_uri(url, &protocol, &_address, &ccinfo->port, &_path)) {\n return 1;\n }\n\n if (!strcmp(protocol, "https") || !strcmp(protocol, "wss")) {\n ccinfo->protocol = "wss";\n ccinfo->ssl_connection = LCCSCF_USE_SSL |\n LCCSCF_ALLOW_SELFSIGNED |\n LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK;\n } else {\n ccinfo->protocol = "ws";\n ccinfo->ssl_connection = 0;\n }\n\n address = (char *) malloc(sizeof (char) * (strlen(_address) + 1));\n memcpy(address, _address, (sizeof (char) * (strlen(_address) + 1)));\n\n if (_path[0] != '\/') {\n path = (char *) malloc(sizeof (char) * (strlen(_path) + 2));\n path[0] = '\/';\n memcpy(path + 1, _path, (sizeof (char) * (strlen(_path) + 1)));\n } else {\n path = (char *) malloc(sizeof (char) * (strlen(_path) + 1));\n memcpy(path, _path, sizeof (char) * (strlen(_path) + 1));\n }\n\n ccinfo->address = address;\n ccinfo->path = path;\n\n return 0;\n}\n\nint main(int argc, char **argv) {\n\n \/\/ ~\/work\/example\/websocket\/libwebsockets\n\n \/\/ ====================================================\n \/\/ creation info\n lws_context_creation_info cinfo;\n memset(&cinfo, 0, sizeof(cinfo));\n cinfo.port = CONTEXT_PORT_NO_LISTEN;\n cinfo.protocols = protocols;\n cinfo.extensions = nullptr;\n cinfo.gid = -1;\n cinfo.uid = -1;\n cinfo.user = nullptr;\n cinfo.options = 0;\n\n \/\/ ====================================================\n \/\/ context\n lws_context *context = lws_create_context(&cinfo);\n\n \/\/ ====================================================\n \/\/ client connect info\n const char *url = "ws:\/\/localhost:30001\/index.html";\n struct lws_client_connect_info ccinfo;\n memset(&ccinfo, 0, sizeof(ccinfo));\n ws_parse_uri(url, &ccinfo);\n\n if(context) {\n ccinfo.context = context;\n ccinfo.protocol = "test-protocol"; \/\/ protocol\n ccinfo.ietf_version_or_minus_one = -1; \/\/ IETF version\n\n \/\/ ====================================================\n \/\/ client connect\n lws *socket = lws_client_connect_via_info(&ccinfo);\n if( socket ) {\n bool running = true;\n while( running ) {\n lws_service(context, 0); \/\/ 0 : timeout is ignored\n lws_callback_on_writable_all_protocol(context, &protocols[0]);\n }\n }\n lws_context_destroy(context);\n }\n\n \/\/ printf("ccinfo.protocol : %s\\n", ccinfo.protocol);\n \/\/ printf("ccinfo.address : %s\\n", ccinfo.address);\n \/\/ printf("ccinfo.port : %i\\n", ccinfo.port);\n \/\/ printf("ccinfo.path : %s\\n", ccinfo.path);\n\n free((void *) ccinfo.address);\n free((void *) ccinfo.path);\n}<\/code><\/pre>\ngcc main.cpp -lwebsockets\n.\/a.out<\/code><\/pre>\n\uc8fc\uc758\uc0ac\ud56d<\/h2>\n