72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#define PORT 5000
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#define BUFFER_SIZE 1024
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int main(int argc, char *argv[]) {
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char *endpoint = "";
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char *data = ""; // Data to be sent in the POST request
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if (argc > 1) {
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endpoint = argv[1];
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}
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if (argc > 2) {
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data = argv[2];
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}
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char request[BUFFER_SIZE];
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snprintf(request, BUFFER_SIZE, "POST /%s HTTP/1.1\r\nHost: localhost:5000\r\nContent-Type: application/json\r\nContent-Length: %ld\r\n\r\n%s", endpoint, strlen(data), data);
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int sockfd;
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struct sockaddr_in server_addr;
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char buffer[BUFFER_SIZE];
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// Create socket
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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perror("Error in socket creation");
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exit(EXIT_FAILURE);
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}
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// Set up server address
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server_addr.sin_family = AF_INET;
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server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
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server_addr.sin_port = htons(PORT);
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// Connect to server
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if (connect(sockfd, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
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perror("Error in connection");
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exit(EXIT_FAILURE);
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}
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// Send HTTP request
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if (send(sockfd, request, strlen(request), 0) != strlen(request)) {
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perror("Error in sending request");
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exit(EXIT_FAILURE);
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}
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// Receive data from server
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ssize_t total_bytes_received = 0;
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ssize_t bytes_received;
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while ((bytes_received = recv(sockfd, buffer, BUFFER_SIZE, 0)) > 0) {
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// Display received data
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fwrite(buffer, 1, bytes_received, stdout);
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total_bytes_received += bytes_received;
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}
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if (bytes_received < 0) {
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perror("Error in receiving data");
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exit(EXIT_FAILURE);
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}
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// Close socket
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close(sockfd);
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return 0;
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}
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