71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
#include "http_client.h"
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#include "../common/http_types.h"
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#include "../common/socket_helper.h"
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#include "http_socket.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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int main(int argc, char* argv[]) {
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if (argc == 1) {
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printf("%s", USAGE_STRING);
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return 1;
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}
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bool print_rtt = strcmp(argv[1], RTT_FLAG) == 0;
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if ((print_rtt && argc != 4) || (!print_rtt && argc != 3)) {
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printf("%s", USAGE_STRING);
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return 1;
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}
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char *dest = argv[argc - 2];
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char *port = argv[argc - 1];
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char *path_buffer = malloc(strlen(dest) + 1);
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char *host_buffer = malloc(strlen(dest) + 1);
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long port_num = strtol(port, NULL, 10);
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if (port_num < MIN_PORT || port_num > MAX_PORT || errno == ERANGE || errno == EINVAL) {
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printf("%s", PORT_ERROR);
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}
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get_parts(dest, path_buffer, host_buffer);
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struct http_message req = build_basic_request("GET", host_buffer, path_buffer, port_num);
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struct response_info res;
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enum socket_read_result read_result = send_request(req, &res);
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if (read_result != RESULT_OK) {
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printf("An error occured while opening the socket. Please try again.\n");
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} else {
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if (print_rtt) {
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printf("RTT: %lld ms\n\n", res.rtt);
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}
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printf("%s\n", res.contents);
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}
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free_basic_request(req);
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free(res.contents);
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free(host_buffer);
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free(path_buffer);
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}
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/**
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* Get the parts of a url
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*
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* @param dest The destination specified by the user
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* @param path_buffer A buffer large enough to hold the path of the dest
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* @param host_buffer A buffer large enough to hold the host of the dest
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*/
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void get_parts(const char *dest, char *path_buffer, char *host_buffer) {
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// If the destination starts with PROTO_PREFIX, skip it
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if (strstr(dest, PROTO_PREFIX) == dest) {
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dest += strlen(PROTO_PREFIX);
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}
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const char *slash_cursor;
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for (slash_cursor = dest; *slash_cursor != '\0' && *slash_cursor != '/'; slash_cursor++);
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if (*slash_cursor == '\0') {
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strcpy(path_buffer, "/");
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strcpy(host_buffer, dest);
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return;
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}
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strcpy(path_buffer, slash_cursor);
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strncpy(host_buffer, dest, slash_cursor - dest);
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host_buffer[slash_cursor - dest] = '\0';
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}
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