60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#include <stdio.h>
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#include <stdbool.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <spawn.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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bool ports[999];
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void start_worker(int port) {
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char portStr[6];
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sprintf(portStr, "%d", port);
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char *argv[] = {"./worker", portStr, NULL};
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extern char **environ;
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pid_t pid;
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posix_spawn(&pid, "./worker", NULL, NULL, argv, environ);
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}
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int main() {
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struct sockaddr_in server_addr;
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(1337);
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server_addr.sin_addr.s_addr = INADDR_ANY;
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printf("Starting Server\n");
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int socket_fd;
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socket_fd = socket(AF_INET, SOCK_STREAM, 0);
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int bound = bind(socket_fd, (struct sockaddr*)&server_addr, sizeof(server_addr));
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if(bound < 0) {
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printf("Bind Error: %s (%d)\n", strerror(errno), errno);
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return 1;
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}
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listen(socket_fd, 5);
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while(true) {
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struct sockaddr_in client_addr;
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int client_size = sizeof(client_addr);
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int client_sock = accept(socket_fd, (struct sockaddr*)&client_addr, &client_size);
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for(int i = 0; i < sizeof(ports); i++) {
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if(!ports[i]) {
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int port = 11000+i;
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printf("Assigning port %i to worker\n", port);
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char buff[4];
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memcpy(buff, &port, sizeof(int));
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write(client_sock, buff, sizeof(buff));
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start_worker(port);
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ports[i] = true;
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shutdown(client_sock, SHUT_RDWR);
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close(client_sock);
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break;
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}
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}
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}
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return 0;
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}
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