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#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/epoll.h>
#include <fcntl.h>
#include <unistd.h>
#include <err.h>
#include <errno.h>
#include <pthread.h>
void * next_customer(void * new_socket)
{
if (new_socket == 0) return NULL;
// read the input data...
char * input_buffer = {0};
size_t input_buffer_position = 0;
FILE * f_input = open_memstream(&input_buffer, &input_buffer_position);
for(
int size=1024,
read_buffer[1024] = {0};
size>0;
size=recv((size_t) new_socket, read_buffer, 1024, MSG_WAITALL)) {
fwrite(read_buffer, size, 1, f_input);
usleep(10); // TODO: implement with some sort of epoll
}
fflush(f_input);
printf("input_buffer has %ld bytes and contains:\n", input_buffer_position);
char * c = strstr(input_buffer, "Content-Type");
printf("WE ARE HERE: %s\n", c);
write(STDOUT_FILENO, input_buffer, input_buffer_position);
// answer the call...
char * buffer = {0};
size_t buffer_position = 0;
FILE * f = open_memstream(&buffer, &buffer_position);
fputs("HTTP/1.0 200 OK\n", f);
fputs("content-type: text/html\n\n", f);
fputs("<html>", f);
fputs("<head>", f);
fputs("<title>test</title>", f);
fputs("<style>label { display:block }</style>", f);
fputs("</head>", f);
fputs("<form action=\"/\" method=\"post\" enctype=\"multipart/form-data\">", f);
fputs("<label>Line1<br/>\n", f);
fputs("<textarea type=\"text\" name=\"text\"></textarea>", f);
fputs("</label><br/>\n", f);
fputs("<input type=\"submit\" name=\"okay\" value=\"ok\" />", f);
fputs("</form>", f);
fputs("</html>\n", f);
fflush(f);
printf("OOOOO [%ld] %s\n", buffer_position, buffer);
send((size_t) new_socket, buffer, buffer_position, MSG_EOR);
// fclose(f_socket);
close((size_t) new_socket);
fclose(f_input);
fclose(f);
return NULL;
}
void serve(int server_fd)
{
struct sockaddr_in address;
int addrlen = sizeof(address);
warn("waiting for connections on %d", server_fd);
for(size_t new_socket = 0
; 1 ; new_socket=accept(server_fd, (struct sockaddr*) &address, (socklen_t*) &addrlen))
{
warn("next: %ld\n", new_socket);
// set non blocking mode...
fcntl((size_t) new_socket, F_SETFL,
fcntl((size_t) new_socket, F_GETFL) | O_NONBLOCK);
// next_customer(new_socket);
pthread_t thread_id;
pthread_create(&thread_id, NULL, next_customer, (void*) new_socket);
pthread_join(thread_id, NULL);
}
}
#define PORT 8080
int main(int argc, char const *argv[])
{
int server_fd;
int opt = 1;
struct sockaddr_in address;
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
0 == (server_fd = socket(AF_INET, SOCK_STREAM, 0))
? err(EXIT_FAILURE, NULL)
: setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))
? err(EXIT_FAILURE, "setsockopt failed on socket with fileno %d", server_fd)
: bind(server_fd, (struct sockaddr*) &address, sizeof(address))
? err(EXIT_FAILURE, NULL)
: listen(server_fd, 3)
? err(EXIT_FAILURE, NULL)
: serve(server_fd);
return 0;
}
// vim: shiftwidth=2 tabstop=2 number
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