48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#include "moxerver.h"
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/* Closes client connection. */
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int client_close(struct client_t *client) {
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/* force closing in case of error */
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if (close(client->socket) == -1) {
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close(client->socket);
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}
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client->socket = -1;
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fprintf(stderr,"[%s]: socket closed for client %s\n", __func__, client->ip_string);
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return 0;
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}
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/* Reads incoming data from client to client data buffer. */
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int client_read(struct client_t *client) {
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int len;
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/* read client data */
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len = recv(client->socket, client->data, sizeof(client->data)-1, 0);
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if (len == -1) {
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fprintf(stderr, "[%s:%d] error %d: %s\n", __func__, __LINE__, errno, strerror(errno));
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return -errno;
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}
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/* null-terminate received data */
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client->data[len] = '\0';
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//TODO how does a client disconnect? For now let's wait for QUIT command...
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if (!strncmp(client->data, "QUIT", 4)) {
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client_close(client);
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}
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//TODO let's print the data during development phase...
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fprintf(stderr, "client %s says: %s", client->ip_string, client->data);
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return 0;
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}
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/* Sends data from a buffer to client. */
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int client_write(struct client_t *client, char *databuf, int datalen) {
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/* send data to client */
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if (send(client->socket, databuf, datalen, 0) == -1) {
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fprintf(stderr, "[%s:%d] error %d: %s\n", __func__, __LINE__, errno, strerror(errno));
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return -errno;
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}
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return 0;
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}
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