jyapayne/Simple-Web-Server
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Some updates and improved examples and comments

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This commit is contained in:
eidheim 2014-07-05 17:55:03 +02:00
commit b9a57999d4
3 changed files with 31 additions and 24 deletions
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27
main.cpp
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@ -10,11 +10,11 @@ using namespace boost::property_tree;
int main() {
//HTTP-server at port 8080 using 4 threads
HTTPServer httpserver(8080, 1);
HTTPServer httpserver(8080, 4);
//Add resources using regular expressions for path and method
//Add resources using regular expression for path, a method-string and an anonymous function
//POST-example for the path /string, responds the posted string
httpserver.resources["^/string/?$"]["^POST$"]=[](ostream& response, const Request& request, const smatch& path_match) {
httpserver.resources["^/string/?$"]["POST"]=[](ostream& response, const Request& request, const smatch& path_match) {
//Retrieve string from istream (*request.content)
stringstream ss;
*request.content >> ss.rdbuf();
@ -24,14 +24,14 @@ int main() {
};
//POST-example for the path /json, responds firstName+" "+lastName from the posted json
//Responds with an appropriate error message if the posted json is not correct, or if firstName or lastName is missing
//Responds with an appropriate error message if the posted json is not valid, or if firstName or lastName is missing
//Example posted json:
//{
// "firstName": "John",
// "lastName": "Smith",
// "age": 25
//}
httpserver.resources["^/json/?$"]["^POST$"]=[](ostream& response, const Request& request, const smatch& path_match) {
httpserver.resources["^/json/?$"]["POST"]=[](ostream& response, const Request& request, const smatch& path_match) {
ptree pt;
try {
read_json(*request.content, pt);
@ -46,13 +46,24 @@ int main() {
};
//GET-example for the path /
httpserver.resources["^/$"]["^GET$"]=[](ostream& response, const Request& request, const smatch& path_match) {
response << "HTTP/1.1 200 OK\r\nContent-Length: 13\r\n\r\nRoot resource";
//Responds with request-information
httpserver.resources["^/$"]["GET"]=[](ostream& response, const Request& request, const smatch& path_match) {
stringstream content_stream;
content_stream << "<h1>Request:</h1>";
content_stream << request.method << " " << request.path << " HTTP/" << request.http_version << "<br>";
for(auto& header: request.header) {
content_stream << header.first << ": " << header.second << "<br>";
}
//find length of content_stream (length received using content_stream.tellp())
content_stream.seekp(0, ios::end);
response << "HTTP/1.1 200 OK\r\nContent-Length: " << content_stream.tellp() << "\r\n\r\n" << content_stream.rdbuf();
};
//GET-example for the path /match/[number], responds with the matched string in path (number)
//For instance a request GET /match/123 will receive: 123
httpserver.resources["^/match/([0-9]*)/?$"]["^GET$"]=[](ostream& response, const Request& request, const smatch& path_match) {
httpserver.resources["^/match/([0-9]+)/?$"]["GET"]=[](ostream& response, const Request& request, const smatch& path_match) {
string number=path_match[1];
response << "HTTP/1.1 200 OK\r\nContent-Length: " << number.length() << "\r\n\r\n" << number;
};